ed8c50a22892588310327a8e2ce6f1e20e22626677f912acd25a57dedf1e0015

Analysis

max time kernel
117s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
02/08/2024, 02:51

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General

Target

430f9f9361cb04db55d14de9cdc19cd0N.exe
Size

648KB
MD5

430f9f9361cb04db55d14de9cdc19cd0
SHA1

2b992bfb8c6638067f08868588445198c9dccdfd
SHA256

ed8c50a22892588310327a8e2ce6f1e20e22626677f912acd25a57dedf1e0015
SHA512

281d8f74b8b64f103787bc609cecd8e8c347ba24077197c012a148919025d5f98b1fe98500a419470d3031e0fec4884499bee8f0eac675d3a09893c8663acc22
SSDEEP

12288:V1b8l0HApIkopKv35U1BlCblRXpv+UhUNyn2KWtqxsgx9w1bfuVM8y3KmodAc375:V1b8eHAuY35U1Op9HZ2M+gkjgNyKmodX

Score

10^/10

discovery persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "Explorer.exe sIRC4.exe"	430f9f9361cb04db55d14de9cdc19cd0N.exe

Drops file in System32 directory 64 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\sIRC4.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\OfficeC2RClient.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File created	C:\Windows\SysWOW64\DC++ Share\mip.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\setup.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\RCXEC37.tmp	430f9f9361cb04db55d14de9cdc19cd0N.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\javac.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File created	C:\Windows\SysWOW64\DC++ Share\javafxpackager.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File created	C:\Windows\SysWOW64\xdccPrograms\7zFM.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File created	C:\Windows\SysWOW64\xdccPrograms\InspectorOfficeGadget.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File created	C:\Windows\SysWOW64\DC++ Share\createdump.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File created	C:\Windows\SysWOW64\DC++ Share\iexplore.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File created	C:\Windows\SysWOW64\DC++ Share\idlj.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\jarsigner.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File created	C:\Windows\SysWOW64\xdccPrograms\7z.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File created	C:\Windows\SysWOW64\DC++ Share\dotnet.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File created	C:\Windows\SysWOW64\DC++ Share\appletviewer.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File created	C:\Windows\SysWOW64\xdccPrograms\IntegratedOffice.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File created	C:\Windows\SysWOW64\DC++ Share\setup.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\extcheck.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\java.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File created	C:\Windows\SysWOW64\DC++ Share\LICLUA.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File created	C:\Windows\SysWOW64\DC++ Share\OSE.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File created	C:\Windows\SysWOW64\DC++ Share\ielowutil.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\RCXEBF6.tmp	430f9f9361cb04db55d14de9cdc19cd0N.exe
File created	C:\Windows\SysWOW64\DC++ Share\java-rmi.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\7z.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\7zG.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\appvcleaner.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\createdump.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\elevation_service.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File created	C:\Windows\SysWOW64\DC++ Share\ieinstal.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File created	C:\Windows\SysWOW64\xdccPrograms\AppVShNotify.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File created	C:\Windows\SysWOW64\DC++ Share\ShapeCollector.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\chrmstp.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File created	C:\Windows\SysWOW64\DC++ Share\chrome.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File created	C:\Windows\SysWOW64\DC++ Share\extcheck.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\idlj.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File created	C:\Windows\SysWOW64\xdccPrograms\7zG.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File created	C:\Windows\SysWOW64\DC++ Share\msinfo32.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\LICLUA.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\dotnet.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\OSE.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File created	C:\Windows\SysWOW64\DC++ Share\chrmstp.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\java-rmi.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\appletviewer.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File created	C:\Windows\SysWOW64\DC++ Share\jar.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File created	C:\Windows\SysWOW64\xdccPrograms\appvcleaner.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File created	C:\Windows\SysWOW64\DC++ Share\OfficeClickToRun.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File created	C:\Windows\SysWOW64\DC++ Share\VSTOInstaller.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File created	C:\Windows\SysWOW64\DC++ Share\chrome_pwa_launcher.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File created	C:\Windows\SysWOW64\DC++ Share\elevation_service.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File created	C:\Windows\SysWOW64\DC++ Share\chrome_proxy.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File created	C:\Windows\SysWOW64\DC++ Share\javadoc.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\javafxpackager.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File created	C:\Windows\SysWOW64\xdccPrograms\Uninstall.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File created	C:\Windows\SysWOW64\DC++ Share\TabTip.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\TabTip.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File created	C:\Windows\SysWOW64\DC++ Share\ExtExport.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\jabswitch.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File created	C:\Windows\SysWOW64\xdccPrograms\MavInject32.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\ielowutil.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File created	C:\Windows\SysWOW64\DC++ Share\java.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\RCXEC57.tmp	430f9f9361cb04db55d14de9cdc19cd0N.exe
File created	C:\Windows\SysWOW64\DC++ Share\OfficeC2RClient.exe	430f9f9361cb04db55d14de9cdc19cd0N.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	430f9f9361cb04db55d14de9cdc19cd0N.exe

C:\Users\Admin\AppData\Local\Temp\430f9f9361cb04db55d14de9cdc19cd0N.exe
"C:\Users\Admin\AppData\Local\Temp\430f9f9361cb04db55d14de9cdc19cd0N.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
PID:436

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\DC++ Share\java-rmi.exe

Filesize
62KB

MD5
57ba4103e5d4a0ef3d23ab20cb1a1d80

SHA1
3522d98098050dc901d94727465cc6bac366e1f4

SHA256
a355d9a8aee087169571326db7e14668e17fe2739261b2fab56c778e34ac4d95

SHA512
43d10b3915351d1bee259874b4ac8c5c33c8fb378bd4d3d24efef6d6012ef9e3af0af3440418ad55f14689fb3ebc93a58c27c84c0bdcac7df0649f30b9605267

Download Submit
C:\Windows\SysWOW64\xdccPrograms\7zFM.exe

Filesize
930KB

MD5
7de6f110ed1ef083b3a2ffabd57512be

SHA1
237af32de7496e3f1599da8e7cd7ef47b0f7b8fa

SHA256
42e70b24b7ecfc4f43b34e6b8de2234c4e3ce4070b5f26515f9d3aae49b85cb7

SHA512
828d4b4127ee37d9e116926d5cc10164e50c89af4e0dad877cb8d34397890f5db69d6e9e0af942f40f2b182aab56ffb42998586debaa2c0c050198fe3322a25d

Download Submit
memory/436-101-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/436-98-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/436-99-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/436-100-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/436-39-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/436-102-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/436-103-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/436-104-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/436-105-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/436-106-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/436-107-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads