d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
11-10-2022 03:01

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General

Target

d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
Size

1016KB
MD5

4a37a82d1c16c4186b9ed15cca7ed630
SHA1

62716dbbaa28696fcd3546532002d8dcd382bb24
SHA256

d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f
SHA512

ab4c22b24959d539ab3f158d01118dc53de4871d6b4ba9e7168799e25e57c048ac2131f607f04fd4427c3440c7bf5fc9e53e4afedfb46d5780d147c29eda3094
SSDEEP

6144:6IXsL0tvrSVz1DnemeYbpsnEf78AoXh6KkiD0OofzA+/VygHU:6IXsgtvm1De5YlOx6lzBH46U

Score

10^/10

evasion persistence trojan

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 3 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe"	iffdguquspp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe"	ydknu.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe"	ydknu.exe

UAC bypass 3 TTPs 9 IoCs

evasion trojan

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	ydknu.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	ydknu.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	ydknu.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorUser = "0"	ydknu.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	ydknu.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorUser = "0"	ydknu.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	iffdguquspp.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	ydknu.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	ydknu.exe

Adds policy Run key to start application 2 TTPs 17 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\wdmraiq = "ldxnhatmzqbfmrbwzk.exe"	ydknu.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	iffdguquspp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	ydknu.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	ydknu.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\ptzb = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ldxnhatmzqbfmrbwzk.exe"	ydknu.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\ptzb = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ytqjgcyukeszjreciwmhe.exe"	ydknu.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\wdmraiq = "vldrjaritirtybjc.exe"	ydknu.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\ptzb = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ytqjgcyukeszjreciwmhe.exe"	ydknu.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\ptzb = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ldxnhatmzqbfmrbwzk.exe"	ydknu.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\wdmraiq = "ytqjgcyukeszjreciwmhe.exe"	iffdguquspp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\ptzb = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ldxnhatmzqbfmrbwzk.exe"	iffdguquspp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\wdmraiq = "wpkbwqkeskwbjpawama.exe"	ydknu.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\ptzb = "C:\\Users\\Admin\\AppData\\Local\\Temp\\vldrjaritirtybjc.exe"	ydknu.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\wdmraiq = "vldrjaritirtybjc.exe"	ydknu.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\wdmraiq = "ctmbumewiyilrveya.exe"	ydknu.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\ptzb = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ctmbumewiyilrveya.exe"	ydknu.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\wdmraiq = "ytqjgcyukeszjreciwmhe.exe"	ydknu.exe

Disables RegEdit via registry modification 6 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	ydknu.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	ydknu.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	iffdguquspp.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	iffdguquspp.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	ydknu.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	ydknu.exe

Executes dropped EXE 3 IoCs

pid	Process
1420	iffdguquspp.exe
468	ydknu.exe
856	ydknu.exe

Loads dropped DLL 6 IoCs

pid	Process
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1420	iffdguquspp.exe
1420	iffdguquspp.exe
1420	iffdguquspp.exe
1420	iffdguquspp.exe

Adds Run key to start application 2 TTPs 64 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\clwdoyisw = "vldrjaritirtybjc.exe ."	ydknu.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\jpxbjq = "wpkbwqkeskwbjpawama.exe ."	ydknu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\clwdoyisw = "ytqjgcyukeszjreciwmhe.exe ."	iffdguquspp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\jpxbjq = "ytqjgcyukeszjreciwmhe.exe ."	ydknu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\clwdoyisw = "ldxnhatmzqbfmrbwzk.exe ."	ydknu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ltdjtclu = "jdzrnidyngtzipbydqfz.exe"	ydknu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\clwdoyisw = "jdzrnidyngtzipbydqfz.exe ."	ydknu.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce	iffdguquspp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\jpxbjq = "ctmbumewiyilrveya.exe ."	ydknu.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	ydknu.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\qboxkwiuako = "C:\\Users\\Admin\\AppData\\Local\\Temp\\vldrjaritirtybjc.exe"	ydknu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ydknu = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ctmbumewiyilrveya.exe"	ydknu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ltdjtclu = "jdzrnidyngtzipbydqfz.exe"	iffdguquspp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\qboxkwiuako = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ldxnhatmzqbfmrbwzk.exe"	ydknu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ydknu = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wpkbwqkeskwbjpawama.exe"	ydknu.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\jpxbjq = "wpkbwqkeskwbjpawama.exe ."	ydknu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ydknu = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wpkbwqkeskwbjpawama.exe"	ydknu.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	iffdguquspp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce	ydknu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ltdjtclu = "ldxnhatmzqbfmrbwzk.exe"	ydknu.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\jpxbjq = "ldxnhatmzqbfmrbwzk.exe ."	ydknu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ltdjtclu = "vldrjaritirtybjc.exe"	ydknu.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\qboxkwiuako = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ytqjgcyukeszjreciwmhe.exe"	ydknu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\clwdoyisw = "wpkbwqkeskwbjpawama.exe ."	ydknu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\clwdoyisw = "wpkbwqkeskwbjpawama.exe ."	ydknu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ltdjtclu = "ytqjgcyukeszjreciwmhe.exe"	ydknu.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\vfrzlwhsxg = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ldxnhatmzqbfmrbwzk.exe ."	ydknu.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\vfrzlwhsxg = "C:\\Users\\Admin\\AppData\\Local\\Temp\\jdzrnidyngtzipbydqfz.exe ."	ydknu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ydknu = "C:\\Users\\Admin\\AppData\\Local\\Temp\\vldrjaritirtybjc.exe"	ydknu.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ydknu = "ytqjgcyukeszjreciwmhe.exe"	ydknu.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\jpxbjq = "jdzrnidyngtzipbydqfz.exe ."	ydknu.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ydknu = "ldxnhatmzqbfmrbwzk.exe"	ydknu.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ydknu = "ctmbumewiyilrveya.exe"	ydknu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\clwdoyisw = "ldxnhatmzqbfmrbwzk.exe ."	ydknu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\jpxbjq = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ctmbumewiyilrveya.exe ."	ydknu.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	iffdguquspp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ydknu = "ytqjgcyukeszjreciwmhe.exe"	iffdguquspp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\jpxbjq = "ytqjgcyukeszjreciwmhe.exe ."	iffdguquspp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	ydknu.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\qboxkwiuako = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wpkbwqkeskwbjpawama.exe"	ydknu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\jpxbjq = "C:\\Users\\Admin\\AppData\\Local\\Temp\\vldrjaritirtybjc.exe ."	iffdguquspp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce	ydknu.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce	ydknu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\jpxbjq = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ytqjgcyukeszjreciwmhe.exe ."	ydknu.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\vfrzlwhsxg = "C:\\Users\\Admin\\AppData\\Local\\Temp\\vldrjaritirtybjc.exe ."	ydknu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\clwdoyisw = "ctmbumewiyilrveya.exe ."	ydknu.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\qboxkwiuako = "C:\\Users\\Admin\\AppData\\Local\\Temp\\jdzrnidyngtzipbydqfz.exe"	iffdguquspp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\vfrzlwhsxg = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wpkbwqkeskwbjpawama.exe ."	iffdguquspp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	ydknu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\jpxbjq = "C:\\Users\\Admin\\AppData\\Local\\Temp\\jdzrnidyngtzipbydqfz.exe ."	ydknu.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\jpxbjq = "ldxnhatmzqbfmrbwzk.exe ."	ydknu.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\qboxkwiuako = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ytqjgcyukeszjreciwmhe.exe"	ydknu.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\jpxbjq = "ytqjgcyukeszjreciwmhe.exe ."	ydknu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\jpxbjq = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ldxnhatmzqbfmrbwzk.exe ."	ydknu.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ydknu = "vldrjaritirtybjc.exe"	ydknu.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	ydknu.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\vfrzlwhsxg = "C:\\Users\\Admin\\AppData\\Local\\Temp\\jdzrnidyngtzipbydqfz.exe ."	ydknu.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\vfrzlwhsxg = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ldxnhatmzqbfmrbwzk.exe ."	ydknu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ltdjtclu = "jdzrnidyngtzipbydqfz.exe"	ydknu.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\vfrzlwhsxg = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wpkbwqkeskwbjpawama.exe ."	ydknu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ydknu = "C:\\Users\\Admin\\AppData\\Local\\Temp\\jdzrnidyngtzipbydqfz.exe"	ydknu.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ydknu = "ldxnhatmzqbfmrbwzk.exe"	ydknu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\jpxbjq = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ldxnhatmzqbfmrbwzk.exe ."	ydknu.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\vfrzlwhsxg = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ytqjgcyukeszjreciwmhe.exe ."	ydknu.exe

Checks whether UAC is enabled 1 TTPs 6 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	ydknu.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	ydknu.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	iffdguquspp.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	iffdguquspp.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	ydknu.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	ydknu.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
3	whatismyip.everdot.org
4	www.showmyipaddress.com
7	whatismyipaddress.com

Drops file in System32 directory 25 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\wpkbwqkeskwbjpawama.exe	iffdguquspp.exe
File opened for modification	C:\Windows\SysWOW64\jdzrnidyngtzipbydqfz.exe	iffdguquspp.exe
File opened for modification	C:\Windows\SysWOW64\pljdbyvsjetbmvjipevrpj.exe	iffdguquspp.exe
File opened for modification	C:\Windows\SysWOW64\ytqjgcyukeszjreciwmhe.exe	ydknu.exe
File opened for modification	C:\Windows\SysWOW64\ldxnhatmzqbfmrbwzk.exe	ydknu.exe
File opened for modification	C:\Windows\SysWOW64\dfjjnqtwtupdujdivqnpttxa.gde	ydknu.exe
File opened for modification	C:\Windows\SysWOW64\vldrjaritirtybjc.exe	iffdguquspp.exe
File opened for modification	C:\Windows\SysWOW64\ldxnhatmzqbfmrbwzk.exe	iffdguquspp.exe
File opened for modification	C:\Windows\SysWOW64\ctmbumewiyilrveya.exe	ydknu.exe
File opened for modification	C:\Windows\SysWOW64\ldxnhatmzqbfmrbwzk.exe	ydknu.exe
File opened for modification	C:\Windows\SysWOW64\jdzrnidyngtzipbydqfz.exe	ydknu.exe
File opened for modification	C:\Windows\SysWOW64\ctmbumewiyilrveya.exe	ydknu.exe
File opened for modification	C:\Windows\SysWOW64\pljdbyvsjetbmvjipevrpj.exe	ydknu.exe
File opened for modification	C:\Windows\SysWOW64\ytqjgcyukeszjreciwmhe.exe	iffdguquspp.exe
File opened for modification	C:\Windows\SysWOW64\vldrjaritirtybjc.exe	ydknu.exe
File opened for modification	C:\Windows\SysWOW64\mzozocqemyedffkayemzozocqemyedffkay.mzo	ydknu.exe
File created	C:\Windows\SysWOW64\mzozocqemyedffkayemzozocqemyedffkay.mzo	ydknu.exe
File opened for modification	C:\Windows\SysWOW64\pljdbyvsjetbmvjipevrpj.exe	ydknu.exe
File created	C:\Windows\SysWOW64\dfjjnqtwtupdujdivqnpttxa.gde	ydknu.exe
File opened for modification	C:\Windows\SysWOW64\vldrjaritirtybjc.exe	ydknu.exe
File opened for modification	C:\Windows\SysWOW64\wpkbwqkeskwbjpawama.exe	ydknu.exe
File opened for modification	C:\Windows\SysWOW64\jdzrnidyngtzipbydqfz.exe	ydknu.exe
File opened for modification	C:\Windows\SysWOW64\ytqjgcyukeszjreciwmhe.exe	ydknu.exe
File opened for modification	C:\Windows\SysWOW64\ctmbumewiyilrveya.exe	iffdguquspp.exe
File opened for modification	C:\Windows\SysWOW64\wpkbwqkeskwbjpawama.exe	ydknu.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\dfjjnqtwtupdujdivqnpttxa.gde	ydknu.exe
File created	C:\Program Files (x86)\dfjjnqtwtupdujdivqnpttxa.gde	ydknu.exe
File opened for modification	C:\Program Files (x86)\mzozocqemyedffkayemzozocqemyedffkay.mzo	ydknu.exe
File created	C:\Program Files (x86)\mzozocqemyedffkayemzozocqemyedffkay.mzo	ydknu.exe

Drops file in Windows directory 25 IoCs

description	ioc	Process
File opened for modification	C:\Windows\ytqjgcyukeszjreciwmhe.exe	iffdguquspp.exe
File opened for modification	C:\Windows\vldrjaritirtybjc.exe	ydknu.exe
File opened for modification	C:\Windows\ctmbumewiyilrveya.exe	ydknu.exe
File opened for modification	C:\Windows\jdzrnidyngtzipbydqfz.exe	ydknu.exe
File opened for modification	C:\Windows\ytqjgcyukeszjreciwmhe.exe	ydknu.exe
File opened for modification	C:\Windows\vldrjaritirtybjc.exe	ydknu.exe
File opened for modification	C:\Windows\ctmbumewiyilrveya.exe	iffdguquspp.exe
File opened for modification	C:\Windows\wpkbwqkeskwbjpawama.exe	iffdguquspp.exe
File opened for modification	C:\Windows\wpkbwqkeskwbjpawama.exe	ydknu.exe
File created	C:\Windows\dfjjnqtwtupdujdivqnpttxa.gde	ydknu.exe
File opened for modification	C:\Windows\pljdbyvsjetbmvjipevrpj.exe	ydknu.exe
File opened for modification	C:\Windows\ctmbumewiyilrveya.exe	ydknu.exe
File opened for modification	C:\Windows\ldxnhatmzqbfmrbwzk.exe	ydknu.exe
File opened for modification	C:\Windows\ytqjgcyukeszjreciwmhe.exe	ydknu.exe
File opened for modification	C:\Windows\pljdbyvsjetbmvjipevrpj.exe	ydknu.exe
File opened for modification	C:\Windows\mzozocqemyedffkayemzozocqemyedffkay.mzo	ydknu.exe
File opened for modification	C:\Windows\vldrjaritirtybjc.exe	iffdguquspp.exe
File opened for modification	C:\Windows\wpkbwqkeskwbjpawama.exe	ydknu.exe
File opened for modification	C:\Windows\jdzrnidyngtzipbydqfz.exe	ydknu.exe
File opened for modification	C:\Windows\dfjjnqtwtupdujdivqnpttxa.gde	ydknu.exe
File created	C:\Windows\mzozocqemyedffkayemzozocqemyedffkay.mzo	ydknu.exe
File opened for modification	C:\Windows\ldxnhatmzqbfmrbwzk.exe	iffdguquspp.exe
File opened for modification	C:\Windows\jdzrnidyngtzipbydqfz.exe	iffdguquspp.exe
File opened for modification	C:\Windows\pljdbyvsjetbmvjipevrpj.exe	iffdguquspp.exe
File opened for modification	C:\Windows\ldxnhatmzqbfmrbwzk.exe	ydknu.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
468	ydknu.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
468	ydknu.exe
468	ydknu.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	468	ydknu.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1600 wrote to memory of 1420	1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe	27
PID 1600 wrote to memory of 1420	1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe	27
PID 1600 wrote to memory of 1420	1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe	27
PID 1600 wrote to memory of 1420	1600	d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe	27
PID 1420 wrote to memory of 468	1420	iffdguquspp.exe	28
PID 1420 wrote to memory of 468	1420	iffdguquspp.exe	28
PID 1420 wrote to memory of 468	1420	iffdguquspp.exe	28
PID 1420 wrote to memory of 468	1420	iffdguquspp.exe	28
PID 1420 wrote to memory of 856	1420	iffdguquspp.exe	29
PID 1420 wrote to memory of 856	1420	iffdguquspp.exe	29
PID 1420 wrote to memory of 856	1420	iffdguquspp.exe	29
PID 1420 wrote to memory of 856	1420	iffdguquspp.exe	29

System policy modification 1 TTPs 29 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	iffdguquspp.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	ydknu.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	ydknu.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorUser = "0"	ydknu.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	ydknu.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\FilterAdministratorToken = "0"	ydknu.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoDriveTypeAutoRun = "1"	ydknu.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableInstallerDetection = "0"	ydknu.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableSecureUIAPaths = "0"	ydknu.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoDriveTypeAutoRun = "1"	ydknu.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer	ydknu.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	ydknu.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	ydknu.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	ydknu.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	ydknu.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ValidateAdminCodeSignatures = "0"	ydknu.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ValidateAdminCodeSignatures = "0"	ydknu.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	ydknu.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	ydknu.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableInstallerDetection = "0"	ydknu.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	ydknu.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorUser = "0"	ydknu.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableVirtualization = "0"	ydknu.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\FilterAdministratorToken = "0"	ydknu.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	iffdguquspp.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableVirtualization = "0"	ydknu.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	iffdguquspp.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableSecureUIAPaths = "0"	ydknu.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer	ydknu.exe

C:\Users\Admin\AppData\Local\Temp\d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe
"C:\Users\Admin\AppData\Local\Temp\d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1600
- C:\Users\Admin\AppData\Local\Temp\iffdguquspp.exe
  "C:\Users\Admin\AppData\Local\Temp\iffdguquspp.exe" "c:\users\admin\appdata\local\temp\d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f.exe*"
  2⤵
  - Modifies WinLogon for persistence
  - UAC bypass
  - Adds policy Run key to start application
  - Disables RegEdit via registry modification
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in System32 directory
  - Drops file in Windows directory
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:1420
- - C:\Users\Admin\AppData\Local\Temp\ydknu.exe
    "C:\Users\Admin\AppData\Local\Temp\ydknu.exe" "-C:\Users\Admin\AppData\Local\Temp\vldrjaritirtybjc.exe"
    3⤵
    - Modifies WinLogon for persistence
    - UAC bypass
    - Adds policy Run key to start application
    - Disables RegEdit via registry modification
    - Executes dropped EXE
    - Adds Run key to start application
    - Checks whether UAC is enabled
    - Drops file in System32 directory
    - Drops file in Program Files directory
    - Drops file in Windows directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - System policy modification
    PID:468
- - C:\Users\Admin\AppData\Local\Temp\ydknu.exe
    "C:\Users\Admin\AppData\Local\Temp\ydknu.exe" "-C:\Users\Admin\AppData\Local\Temp\vldrjaritirtybjc.exe"
    3⤵
    - Modifies WinLogon for persistence
    - UAC bypass
    - Adds policy Run key to start application
    - Disables RegEdit via registry modification
    - Executes dropped EXE
    - Adds Run key to start application
    - Checks whether UAC is enabled
    - Drops file in System32 directory
    - Drops file in Windows directory
    - System policy modification
    PID:856

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Winlogon Helper DLL

T1004

Privilege Escalation

Bypass User Account Control

T1088

Defense Evasion

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\ctmbumewiyilrveya.exe

Filesize
1016KB

MD5
4a37a82d1c16c4186b9ed15cca7ed630

SHA1
62716dbbaa28696fcd3546532002d8dcd382bb24

SHA256
d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f

SHA512
ab4c22b24959d539ab3f158d01118dc53de4871d6b4ba9e7168799e25e57c048ac2131f607f04fd4427c3440c7bf5fc9e53e4afedfb46d5780d147c29eda3094

Download Submit
C:\Users\Admin\AppData\Local\Temp\iffdguquspp.exe

Filesize
320KB

MD5
3305bb0b929b88bf5dde20a36c64c724

SHA1
0cdc6bc7c43d1aea5c464b21490ca27ed869d386

SHA256
43a7398f1a5e84c4d05fec78c26cca8c8df930502aabd4fde60219336b6f3502

SHA512
fd8e7260f7199b04c0b3e9618942a1da4e7e5f981972f7a293e6a4e6982dd59b76ba29a28b2209219c77a4cc149c653f7670caf9f4fc943b5a8e52b69c89a74f

Download Submit
C:\Users\Admin\AppData\Local\Temp\iffdguquspp.exe

Filesize
320KB

MD5
3305bb0b929b88bf5dde20a36c64c724

SHA1
0cdc6bc7c43d1aea5c464b21490ca27ed869d386

SHA256
43a7398f1a5e84c4d05fec78c26cca8c8df930502aabd4fde60219336b6f3502

SHA512
fd8e7260f7199b04c0b3e9618942a1da4e7e5f981972f7a293e6a4e6982dd59b76ba29a28b2209219c77a4cc149c653f7670caf9f4fc943b5a8e52b69c89a74f

Download Submit
C:\Users\Admin\AppData\Local\Temp\jdzrnidyngtzipbydqfz.exe

Filesize
1016KB

MD5
4a37a82d1c16c4186b9ed15cca7ed630

SHA1
62716dbbaa28696fcd3546532002d8dcd382bb24

SHA256
d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f

SHA512
ab4c22b24959d539ab3f158d01118dc53de4871d6b4ba9e7168799e25e57c048ac2131f607f04fd4427c3440c7bf5fc9e53e4afedfb46d5780d147c29eda3094

Download Submit
C:\Users\Admin\AppData\Local\Temp\ldxnhatmzqbfmrbwzk.exe

Filesize
1016KB

MD5
4a37a82d1c16c4186b9ed15cca7ed630

SHA1
62716dbbaa28696fcd3546532002d8dcd382bb24

SHA256
d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f

SHA512
ab4c22b24959d539ab3f158d01118dc53de4871d6b4ba9e7168799e25e57c048ac2131f607f04fd4427c3440c7bf5fc9e53e4afedfb46d5780d147c29eda3094

Download Submit
C:\Users\Admin\AppData\Local\Temp\pljdbyvsjetbmvjipevrpj.exe

Filesize
1016KB

MD5
4a37a82d1c16c4186b9ed15cca7ed630

SHA1
62716dbbaa28696fcd3546532002d8dcd382bb24

SHA256
d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f

SHA512
ab4c22b24959d539ab3f158d01118dc53de4871d6b4ba9e7168799e25e57c048ac2131f607f04fd4427c3440c7bf5fc9e53e4afedfb46d5780d147c29eda3094

Download Submit
C:\Users\Admin\AppData\Local\Temp\vldrjaritirtybjc.exe

Filesize
1016KB

MD5
4a37a82d1c16c4186b9ed15cca7ed630

SHA1
62716dbbaa28696fcd3546532002d8dcd382bb24

SHA256
d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f

SHA512
ab4c22b24959d539ab3f158d01118dc53de4871d6b4ba9e7168799e25e57c048ac2131f607f04fd4427c3440c7bf5fc9e53e4afedfb46d5780d147c29eda3094

Download Submit
C:\Users\Admin\AppData\Local\Temp\wpkbwqkeskwbjpawama.exe

Filesize
1016KB

MD5
4a37a82d1c16c4186b9ed15cca7ed630

SHA1
62716dbbaa28696fcd3546532002d8dcd382bb24

SHA256
d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f

SHA512
ab4c22b24959d539ab3f158d01118dc53de4871d6b4ba9e7168799e25e57c048ac2131f607f04fd4427c3440c7bf5fc9e53e4afedfb46d5780d147c29eda3094

Download Submit
C:\Users\Admin\AppData\Local\Temp\ydknu.exe

Filesize
724KB

MD5
a4ddffa8a9b96e31c9709e96399b84dc

SHA1
3552d6bb9962c3eddbbea31d2b2dcafe0f644e4c

SHA256
56b1470cac17477e77592bfe9ac9b65df19328412207ce7d2a3f7de9a0162964

SHA512
a05c1ca7a42424524c17d4cadd4a863c241f4ef1358451a3178695e804a7fe4c4e7c89eccd9f5355e1a6707f252905b97b2be77e00f4b2e8a0af5b0a679294ca

Download Submit
C:\Users\Admin\AppData\Local\Temp\ydknu.exe

Filesize
724KB

MD5
a4ddffa8a9b96e31c9709e96399b84dc

SHA1
3552d6bb9962c3eddbbea31d2b2dcafe0f644e4c

SHA256
56b1470cac17477e77592bfe9ac9b65df19328412207ce7d2a3f7de9a0162964

SHA512
a05c1ca7a42424524c17d4cadd4a863c241f4ef1358451a3178695e804a7fe4c4e7c89eccd9f5355e1a6707f252905b97b2be77e00f4b2e8a0af5b0a679294ca

Download Submit
C:\Users\Admin\AppData\Local\Temp\ytqjgcyukeszjreciwmhe.exe

Filesize
1016KB

MD5
4a37a82d1c16c4186b9ed15cca7ed630

SHA1
62716dbbaa28696fcd3546532002d8dcd382bb24

SHA256
d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f

SHA512
ab4c22b24959d539ab3f158d01118dc53de4871d6b4ba9e7168799e25e57c048ac2131f607f04fd4427c3440c7bf5fc9e53e4afedfb46d5780d147c29eda3094

Download Submit
C:\Windows\SysWOW64\ctmbumewiyilrveya.exe

Filesize
1016KB

MD5
4a37a82d1c16c4186b9ed15cca7ed630

SHA1
62716dbbaa28696fcd3546532002d8dcd382bb24

SHA256
d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f

SHA512
ab4c22b24959d539ab3f158d01118dc53de4871d6b4ba9e7168799e25e57c048ac2131f607f04fd4427c3440c7bf5fc9e53e4afedfb46d5780d147c29eda3094

Download Submit
C:\Windows\SysWOW64\jdzrnidyngtzipbydqfz.exe

Filesize
1016KB

MD5
4a37a82d1c16c4186b9ed15cca7ed630

SHA1
62716dbbaa28696fcd3546532002d8dcd382bb24

SHA256
d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f

SHA512
ab4c22b24959d539ab3f158d01118dc53de4871d6b4ba9e7168799e25e57c048ac2131f607f04fd4427c3440c7bf5fc9e53e4afedfb46d5780d147c29eda3094

Download Submit
C:\Windows\SysWOW64\ldxnhatmzqbfmrbwzk.exe

Filesize
1016KB

MD5
4a37a82d1c16c4186b9ed15cca7ed630

SHA1
62716dbbaa28696fcd3546532002d8dcd382bb24

SHA256
d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f

SHA512
ab4c22b24959d539ab3f158d01118dc53de4871d6b4ba9e7168799e25e57c048ac2131f607f04fd4427c3440c7bf5fc9e53e4afedfb46d5780d147c29eda3094

Download Submit
C:\Windows\SysWOW64\pljdbyvsjetbmvjipevrpj.exe

Filesize
1016KB

MD5
4a37a82d1c16c4186b9ed15cca7ed630

SHA1
62716dbbaa28696fcd3546532002d8dcd382bb24

SHA256
d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f

SHA512
ab4c22b24959d539ab3f158d01118dc53de4871d6b4ba9e7168799e25e57c048ac2131f607f04fd4427c3440c7bf5fc9e53e4afedfb46d5780d147c29eda3094

Download Submit
C:\Windows\SysWOW64\vldrjaritirtybjc.exe

Filesize
1016KB

MD5
4a37a82d1c16c4186b9ed15cca7ed630

SHA1
62716dbbaa28696fcd3546532002d8dcd382bb24

SHA256
d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f

SHA512
ab4c22b24959d539ab3f158d01118dc53de4871d6b4ba9e7168799e25e57c048ac2131f607f04fd4427c3440c7bf5fc9e53e4afedfb46d5780d147c29eda3094

Download Submit
C:\Windows\SysWOW64\wpkbwqkeskwbjpawama.exe

Filesize
1016KB

MD5
4a37a82d1c16c4186b9ed15cca7ed630

SHA1
62716dbbaa28696fcd3546532002d8dcd382bb24

SHA256
d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f

SHA512
ab4c22b24959d539ab3f158d01118dc53de4871d6b4ba9e7168799e25e57c048ac2131f607f04fd4427c3440c7bf5fc9e53e4afedfb46d5780d147c29eda3094

Download Submit
C:\Windows\SysWOW64\ytqjgcyukeszjreciwmhe.exe

Filesize
1016KB

MD5
4a37a82d1c16c4186b9ed15cca7ed630

SHA1
62716dbbaa28696fcd3546532002d8dcd382bb24

SHA256
d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f

SHA512
ab4c22b24959d539ab3f158d01118dc53de4871d6b4ba9e7168799e25e57c048ac2131f607f04fd4427c3440c7bf5fc9e53e4afedfb46d5780d147c29eda3094

Download Submit
C:\Windows\ctmbumewiyilrveya.exe

Filesize
1016KB

MD5
4a37a82d1c16c4186b9ed15cca7ed630

SHA1
62716dbbaa28696fcd3546532002d8dcd382bb24

SHA256
d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f

SHA512
ab4c22b24959d539ab3f158d01118dc53de4871d6b4ba9e7168799e25e57c048ac2131f607f04fd4427c3440c7bf5fc9e53e4afedfb46d5780d147c29eda3094

Download Submit
C:\Windows\ctmbumewiyilrveya.exe

Filesize
1016KB

MD5
4a37a82d1c16c4186b9ed15cca7ed630

SHA1
62716dbbaa28696fcd3546532002d8dcd382bb24

SHA256
d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f

SHA512
ab4c22b24959d539ab3f158d01118dc53de4871d6b4ba9e7168799e25e57c048ac2131f607f04fd4427c3440c7bf5fc9e53e4afedfb46d5780d147c29eda3094

Download Submit
C:\Windows\jdzrnidyngtzipbydqfz.exe

Filesize
1016KB

MD5
4a37a82d1c16c4186b9ed15cca7ed630

SHA1
62716dbbaa28696fcd3546532002d8dcd382bb24

SHA256
d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f

SHA512
ab4c22b24959d539ab3f158d01118dc53de4871d6b4ba9e7168799e25e57c048ac2131f607f04fd4427c3440c7bf5fc9e53e4afedfb46d5780d147c29eda3094

Download Submit
C:\Windows\jdzrnidyngtzipbydqfz.exe

Filesize
1016KB

MD5
4a37a82d1c16c4186b9ed15cca7ed630

SHA1
62716dbbaa28696fcd3546532002d8dcd382bb24

SHA256
d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f

SHA512
ab4c22b24959d539ab3f158d01118dc53de4871d6b4ba9e7168799e25e57c048ac2131f607f04fd4427c3440c7bf5fc9e53e4afedfb46d5780d147c29eda3094

Download Submit
C:\Windows\ldxnhatmzqbfmrbwzk.exe

Filesize
1016KB

MD5
4a37a82d1c16c4186b9ed15cca7ed630

SHA1
62716dbbaa28696fcd3546532002d8dcd382bb24

SHA256
d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f

SHA512
ab4c22b24959d539ab3f158d01118dc53de4871d6b4ba9e7168799e25e57c048ac2131f607f04fd4427c3440c7bf5fc9e53e4afedfb46d5780d147c29eda3094

Download Submit
C:\Windows\ldxnhatmzqbfmrbwzk.exe

Filesize
1016KB

MD5
4a37a82d1c16c4186b9ed15cca7ed630

SHA1
62716dbbaa28696fcd3546532002d8dcd382bb24

SHA256
d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f

SHA512
ab4c22b24959d539ab3f158d01118dc53de4871d6b4ba9e7168799e25e57c048ac2131f607f04fd4427c3440c7bf5fc9e53e4afedfb46d5780d147c29eda3094

Download Submit
C:\Windows\pljdbyvsjetbmvjipevrpj.exe

Filesize
1016KB

MD5
4a37a82d1c16c4186b9ed15cca7ed630

SHA1
62716dbbaa28696fcd3546532002d8dcd382bb24

SHA256
d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f

SHA512
ab4c22b24959d539ab3f158d01118dc53de4871d6b4ba9e7168799e25e57c048ac2131f607f04fd4427c3440c7bf5fc9e53e4afedfb46d5780d147c29eda3094

Download Submit
C:\Windows\pljdbyvsjetbmvjipevrpj.exe

Filesize
1016KB

MD5
4a37a82d1c16c4186b9ed15cca7ed630

SHA1
62716dbbaa28696fcd3546532002d8dcd382bb24

SHA256
d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f

SHA512
ab4c22b24959d539ab3f158d01118dc53de4871d6b4ba9e7168799e25e57c048ac2131f607f04fd4427c3440c7bf5fc9e53e4afedfb46d5780d147c29eda3094

Download Submit
C:\Windows\vldrjaritirtybjc.exe

Filesize
1016KB

MD5
4a37a82d1c16c4186b9ed15cca7ed630

SHA1
62716dbbaa28696fcd3546532002d8dcd382bb24

SHA256
d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f

SHA512
ab4c22b24959d539ab3f158d01118dc53de4871d6b4ba9e7168799e25e57c048ac2131f607f04fd4427c3440c7bf5fc9e53e4afedfb46d5780d147c29eda3094

Download Submit
C:\Windows\vldrjaritirtybjc.exe

Filesize
1016KB

MD5
4a37a82d1c16c4186b9ed15cca7ed630

SHA1
62716dbbaa28696fcd3546532002d8dcd382bb24

SHA256
d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f

SHA512
ab4c22b24959d539ab3f158d01118dc53de4871d6b4ba9e7168799e25e57c048ac2131f607f04fd4427c3440c7bf5fc9e53e4afedfb46d5780d147c29eda3094

Download Submit
C:\Windows\wpkbwqkeskwbjpawama.exe

Filesize
1016KB

MD5
4a37a82d1c16c4186b9ed15cca7ed630

SHA1
62716dbbaa28696fcd3546532002d8dcd382bb24

SHA256
d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f

SHA512
ab4c22b24959d539ab3f158d01118dc53de4871d6b4ba9e7168799e25e57c048ac2131f607f04fd4427c3440c7bf5fc9e53e4afedfb46d5780d147c29eda3094

Download Submit
C:\Windows\wpkbwqkeskwbjpawama.exe

Filesize
1016KB

MD5
4a37a82d1c16c4186b9ed15cca7ed630

SHA1
62716dbbaa28696fcd3546532002d8dcd382bb24

SHA256
d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f

SHA512
ab4c22b24959d539ab3f158d01118dc53de4871d6b4ba9e7168799e25e57c048ac2131f607f04fd4427c3440c7bf5fc9e53e4afedfb46d5780d147c29eda3094

Download Submit
C:\Windows\ytqjgcyukeszjreciwmhe.exe

Filesize
1016KB

MD5
4a37a82d1c16c4186b9ed15cca7ed630

SHA1
62716dbbaa28696fcd3546532002d8dcd382bb24

SHA256
d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f

SHA512
ab4c22b24959d539ab3f158d01118dc53de4871d6b4ba9e7168799e25e57c048ac2131f607f04fd4427c3440c7bf5fc9e53e4afedfb46d5780d147c29eda3094

Download Submit
C:\Windows\ytqjgcyukeszjreciwmhe.exe

Filesize
1016KB

MD5
4a37a82d1c16c4186b9ed15cca7ed630

SHA1
62716dbbaa28696fcd3546532002d8dcd382bb24

SHA256
d83c9d198bd99f941974f151359c4997ad6e69c8e5872799f0066ea01e232e3f

SHA512
ab4c22b24959d539ab3f158d01118dc53de4871d6b4ba9e7168799e25e57c048ac2131f607f04fd4427c3440c7bf5fc9e53e4afedfb46d5780d147c29eda3094

Download Submit
\Users\Admin\AppData\Local\Temp\iffdguquspp.exe

Filesize
320KB

MD5
3305bb0b929b88bf5dde20a36c64c724

SHA1
0cdc6bc7c43d1aea5c464b21490ca27ed869d386

SHA256
43a7398f1a5e84c4d05fec78c26cca8c8df930502aabd4fde60219336b6f3502

SHA512
fd8e7260f7199b04c0b3e9618942a1da4e7e5f981972f7a293e6a4e6982dd59b76ba29a28b2209219c77a4cc149c653f7670caf9f4fc943b5a8e52b69c89a74f

Download Submit
\Users\Admin\AppData\Local\Temp\iffdguquspp.exe

Filesize
320KB

MD5
3305bb0b929b88bf5dde20a36c64c724

SHA1
0cdc6bc7c43d1aea5c464b21490ca27ed869d386

SHA256
43a7398f1a5e84c4d05fec78c26cca8c8df930502aabd4fde60219336b6f3502

SHA512
fd8e7260f7199b04c0b3e9618942a1da4e7e5f981972f7a293e6a4e6982dd59b76ba29a28b2209219c77a4cc149c653f7670caf9f4fc943b5a8e52b69c89a74f

Download Submit
\Users\Admin\AppData\Local\Temp\ydknu.exe

Filesize
724KB

MD5
a4ddffa8a9b96e31c9709e96399b84dc

SHA1
3552d6bb9962c3eddbbea31d2b2dcafe0f644e4c

SHA256
56b1470cac17477e77592bfe9ac9b65df19328412207ce7d2a3f7de9a0162964

SHA512
a05c1ca7a42424524c17d4cadd4a863c241f4ef1358451a3178695e804a7fe4c4e7c89eccd9f5355e1a6707f252905b97b2be77e00f4b2e8a0af5b0a679294ca

Download Submit
\Users\Admin\AppData\Local\Temp\ydknu.exe

Filesize
724KB

MD5
a4ddffa8a9b96e31c9709e96399b84dc

SHA1
3552d6bb9962c3eddbbea31d2b2dcafe0f644e4c

SHA256
56b1470cac17477e77592bfe9ac9b65df19328412207ce7d2a3f7de9a0162964

SHA512
a05c1ca7a42424524c17d4cadd4a863c241f4ef1358451a3178695e804a7fe4c4e7c89eccd9f5355e1a6707f252905b97b2be77e00f4b2e8a0af5b0a679294ca

Download Submit
\Users\Admin\AppData\Local\Temp\ydknu.exe

Filesize
724KB

MD5
a4ddffa8a9b96e31c9709e96399b84dc

SHA1
3552d6bb9962c3eddbbea31d2b2dcafe0f644e4c

SHA256
56b1470cac17477e77592bfe9ac9b65df19328412207ce7d2a3f7de9a0162964

SHA512
a05c1ca7a42424524c17d4cadd4a863c241f4ef1358451a3178695e804a7fe4c4e7c89eccd9f5355e1a6707f252905b97b2be77e00f4b2e8a0af5b0a679294ca

Download Submit
\Users\Admin\AppData\Local\Temp\ydknu.exe

Filesize
724KB

MD5
a4ddffa8a9b96e31c9709e96399b84dc

SHA1
3552d6bb9962c3eddbbea31d2b2dcafe0f644e4c

SHA256
56b1470cac17477e77592bfe9ac9b65df19328412207ce7d2a3f7de9a0162964

SHA512
a05c1ca7a42424524c17d4cadd4a863c241f4ef1358451a3178695e804a7fe4c4e7c89eccd9f5355e1a6707f252905b97b2be77e00f4b2e8a0af5b0a679294ca

Download Submit
memory/1600-54-0x00000000752B1000-0x00000000752B3000-memory.dmp

Filesize
8KB

Download