7863e8dea89549a450f1fa863380092aafaa92252b934a3ed0542e7ad94e6714

Analysis

max time kernel
13s
max time network
15s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
07/03/2024, 23:07

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Reason

Machine shutdown

Report Analysis Logs

General

Target

b9e5a6b455e44f44f9f9ddaa2d80d9da.exe
Size

244KB
MD5

b9e5a6b455e44f44f9f9ddaa2d80d9da
SHA1

42a9b78a5a4b66e2d692f6bee64c3c140e1360e9
SHA256

7863e8dea89549a450f1fa863380092aafaa92252b934a3ed0542e7ad94e6714
SHA512

b65672ab6b4d946f7f81bbbef7ece5fae72372f6500c944fd020cf6795ba1441dcb6c24947da7b70b30c78257fe1bb51d327591d1f9051f700a2ab4fc830ceb0
SSDEEP

6144:aLTH/MyYGHK0ZxnJw2djRldo4OLp6u9ZST:6/9YGHK0ZRJw2djRl1OF6u9ZST

Score

8^/10

adware persistence stealer

Malware Config

Signatures

Sets DLL path for service in the registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Iprip\Parameters\ServiceDll = "C:\\WINDOWS\\SYSTEM32\\liprip.dll"	gnu.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Iprip\Parameters\ServiceDll = "C:\\Windows\\system32\\liprip.dll"	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
316	gnu.exe

Loads dropped DLL 3 IoCs

pid	Process
3480	svchost.exe
3480	svchost.exe
3480	svchost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\repst = "C:\\Windows\\system32\\iprep.exe"	svchost.exe

Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\	svchost.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\fsutk.dll	b9e5a6b455e44f44f9f9ddaa2d80d9da.exe
File created	C:\WINDOWS\SysWOW64\liprip.dll	gnu.exe
File opened for modification	C:\Windows\SysWOW64\fsutk.dll	svchost.exe
File created	C:\Windows\SysWOW64\iprep.exe	svchost.exe

Modifies data under HKEY_USERS 64 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Ext\Settings\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Ext\Settings\{BF50AC63-19DA-487E-AD4A-0B452D823B59}	svchost.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Ext\Settings\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\Settings\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Ext\Settings\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Windows	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\Settings\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0"	LogonUI.exe
Key created	\REGISTRY\USER\S-1-5-19	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\Settings\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\Settings\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\Flags = "0"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\Settings\{BF50AC63-19DA-487E-AD4A-0B452D823B59}	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Autodesk\AutoCAD\R17.0	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software	svchost.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\Settings\{BF50AC63-19DA-487E-AD4A-0B452D823B59}	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Autodesk	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	LogonUI.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\Settings\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\Version = "*"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Autodesk\AutoCAD\R17.2	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Ext	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Autodesk\AutoCAD\R16.0	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\Settings\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\Version = "*"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\Settings	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Autodesk\AutoCAD	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89"	LogonUI.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Ext\Settings\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\Version = "*"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\Settings\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "54"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Autodesk\AutoCAD\R17.1	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Autodesk\AutoCAD\R18.0	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Ext\Settings\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\Flags = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\Settings\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\Flags = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Ext\Settings\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Ext\Settings	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Autodesk\AutoCAD\R16.2	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Windows\CurrentVersion	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\Settings	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Autodesk\AutoCAD\R16.0	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Autodesk\AutoCAD\R16.1	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe

Modifies registry class 22 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AF604EFE-8897-11D1-B944-00A0C90312E1}\InProcServer32\	gnu.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\ = "QuickFlash"	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer\	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AF604EFE-8897-11D1-B944-00A0C90312E1}\InProcServer32\	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\VersionIndependentProgID\	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID\	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0E5CBF21-D15F-11d0-8301-00AA005B4383}\InProcServer32\	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\VersionIndependentProgID\ = "IEHlprObj.IEHlprObj"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\ = "QuickFlash"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\ = "QuickFlash"	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\InprocServer32\	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\InprocServer32\ThreadingModel = "Apartment"	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\ProgID\	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\ProgID\ = "IEHlprObj.IEHlprObj.1"	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\Programmable\	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID\ = "{BF50AC63-19DA-487E-AD4A-0B452D823B59}"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\Programmable\	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer\ = "IEHlprObj.IEHlprObj.1"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\InprocServer32\ = "C:\\Windows\\SysWow64\\fsutk.dll"	svchost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3480	svchost.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2356	b9e5a6b455e44f44f9f9ddaa2d80d9da.exe
316	gnu.exe
4508	LogonUI.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2356 wrote to memory of 316	2356	b9e5a6b455e44f44f9f9ddaa2d80d9da.exe	89
PID 2356 wrote to memory of 316	2356	b9e5a6b455e44f44f9f9ddaa2d80d9da.exe	89
PID 2356 wrote to memory of 316	2356	b9e5a6b455e44f44f9f9ddaa2d80d9da.exe	89

C:\Users\Admin\AppData\Local\Temp\b9e5a6b455e44f44f9f9ddaa2d80d9da.exe
"C:\Users\Admin\AppData\Local\Temp\b9e5a6b455e44f44f9f9ddaa2d80d9da.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2356
- C:\Users\Admin\AppData\Local\Temp\gnu.exe
  "C:\Users\Admin\AppData\Local\Temp\gnu.exe"
  2⤵
  - Sets DLL path for service in the registry
  - Executes dropped EXE
  - Drops file in System32 directory
  - Modifies registry class
  - Suspicious use of SetWindowsHookEx
  PID:316

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs -s Iprip
1⤵
- Sets DLL path for service in the registry
- Loads dropped DLL
- Adds Run key to start application
- Installs/modifies Browser Helper Object
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:3480

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa395c055 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:4508

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Browser Extensions

T1176

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
20KB

MD5
a98b03d61872217705cc74520cc85c6a

SHA1
7a6963ec6d466f2217b2a4a80a0e003a1543608d

SHA256
d5e814a0b4b37339ea041afeb11ecfb2c2cb7de870773129b1f101d75876ba2d

SHA512
697b2d39a2649ac647daaee48a6afac757353ab9d7b3302f84ad04e9ae2fb28f4ded632cbff354e0d64dd9a1d802b3f898e6b956a5120be7a45febcd71890059

Download Submit
C:\Windows\SysWOW64\fsutk.dll

Filesize
116KB

MD5
aad18b706572badfa9c830ab54506cdc

SHA1
6eed92acefae29b81bd5a32c39179bedaa203171

SHA256
289612292165f161906e8e1c02f17d64db5ee1e0441627837c86b76524eb1f2e

SHA512
c5c4c6110d89cd05c9f4a103f0c13db3ac8821231116e33c5a66f6a0858c2b4834b066364bac7ef933b7a91cc0c9a9c07cf164ad14ff2c09e633b2473e800343

Download Submit
\??\c:\$Recycle.bin\int.dat

Filesize
220KB

MD5
4ab1dfd710e88fd45fc71c43611645b4

SHA1
330a3459e976cde31ce59b39bbe6331e1f0883bb

SHA256
da910ecd7b3c8df38fb42cd9fb522709f6e040a9dbc3faee6b97263f279522fe

SHA512
0fa056664824e64947d05a8183481d14995c5881112410c504a7a03b02803f9c153e78765ffd782b4b1b417a494d2a17b52764fc3932acf3b2bb80f38d51c372

Download Submit
\??\c:\windows\SysWOW64\liprip.dll

Filesize
84KB

MD5
37e4eeb81970038077c6fea37d597ed8

SHA1
746e48e2da60af630cf8552183ea3344731e4497

SHA256
a12a6c1b32f5f07f8934c7d2afe5c8b9c18f27e8bdcee7dc8fb223a5032fb3d1

SHA512
977531573e5d1b3cfb8bbb7feb327cb358398d97fffeb465d432915cc83dac1a62396cb8f6e4ffbdfe9b8e4d1db344bb699f1a9c92c5b3968034c5befa97d202

Download Submit
memory/3480-16-0x0000000001760000-0x0000000001780000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads