imminent | 532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602

General

Target
532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602.exe
Size 5.5MB
Sample221127-vcjlyscg53
SHA256 532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602
MD5 17729246d4489d4c70d55e34d8b33914
SHA1 05f2888db4c53e4fc0864a15b17c21876bb77e55
SHA512 113e98bbd04929bc0de80a5f41182dca992b2e1a45b8917267c77419f0c42cb314d1848418aef00138fed1e20614b8f581e25c0fbbc48d88b2000694bb7dffbe
SSDEEP 12288:N615aFdqQf3gmm3LOBID0wCt266fD4EMBm+56j5rVQkC:QIFdqynuOBID0V2PL4EMBm+O5rVE
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

imminent persistence spyware trojan

Malware Config

Signatures

Imminent RAT
Remote-access trojan based on Imminent Monitor remote admin software.
trojan spyware imminent

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "C:\\Users\\Admin\\AppData\\Roaming\\YFWMCAFNIN\\WUdCwgKVGP.exe,explorer.exe"	reg.exe

Executes dropped EXE 2 IoCs

pid	Process
228	532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602.exe
316	532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3560 set thread context of 316	3560	532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602.exe	88

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602.exe
File created	C:\Windows\assembly\Desktop.ini	532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602.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 4 IoCs

pid	Process
3560	532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602.exe
3560	532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602.exe
3560	532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602.exe
3560	532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
316	532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3560	532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602.exe
Token: SeDebugPrivilege	316	532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
316	532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3560 wrote to memory of 1676	3560	532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602.exe	84
PID 3560 wrote to memory of 1676	3560	532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602.exe	84
PID 3560 wrote to memory of 1676	3560	532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602.exe	84
PID 1676 wrote to memory of 344	1676	cmd.exe	86
PID 1676 wrote to memory of 344	1676	cmd.exe	86
PID 1676 wrote to memory of 344	1676	cmd.exe	86
PID 3560 wrote to memory of 228	3560	532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602.exe	87
PID 3560 wrote to memory of 228	3560	532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602.exe	87
PID 3560 wrote to memory of 228	3560	532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602.exe	87
PID 3560 wrote to memory of 316	3560	532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602.exe	88
PID 3560 wrote to memory of 316	3560	532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602.exe	88
PID 3560 wrote to memory of 316	3560	532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602.exe	88
PID 3560 wrote to memory of 316	3560	532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602.exe	88
PID 3560 wrote to memory of 316	3560	532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602.exe	88
PID 3560 wrote to memory of 316	3560	532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602.exe	88
PID 3560 wrote to memory of 316	3560	532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602.exe	88
PID 3560 wrote to memory of 316	3560	532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602.exe	88

C:\Users\Admin\AppData\Local\Temp\532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602.exe
"C:\Users\Admin\AppData\Local\Temp\532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3560
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v shell /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\YFWMCAFNIN\WUdCwgKVGP.exe,explorer.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1676
- - C:\Windows\SysWOW64\reg.exe
    reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v shell /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\YFWMCAFNIN\WUdCwgKVGP.exe,explorer.exe"
    3⤵
    - Modifies WinLogon for persistence
    PID:344
- C:\Users\Admin\AppData\Local\Temp\532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602.exe
  "C:\Users\Admin\AppData\Local\Temp\532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602.exe"
  2⤵
  - Executes dropped EXE
  PID:228
- C:\Users\Admin\AppData\Local\Temp\532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602.exe
  "C:\Users\Admin\AppData\Local\Temp\532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602.exe"
  2⤵
  - Executes dropped EXE
  - Drops desktop.ini file(s)
  - Drops file in Windows directory
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:316

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1

T1004

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602.exe

Path C:\Users\Admin\AppData\Local\Temp\532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602.exe
Size 5.5MB
SHA256 532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602
MD5 17729246d4489d4c70d55e34d8b33914
SHA1 05f2888db4c53e4fc0864a15b17c21876bb77e55
SHA512 113e98bbd04929bc0de80a5f41182dca992b2e1a45b8917267c77419f0c42cb314d1848418aef00138fed1e20614b8f581e25c0fbbc48d88b2000694bb7dffbe
SSDEEP 12288:N615aFdqQf3gmm3LOBID0wCt266fD4EMBm+56j5rVQkC:QIFdqynuOBID0V2PL4EMBm+O5rVE
MD5 SHA1 SHA512 SSDEEP

Submit Download

532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602.exe

Path C:\Users\Admin\AppData\Local\Temp\532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602.exe
Size 5.5MB
SHA256 532b5b5b312f848f106da7717877c9f287050879f79952d32fff3952ac21e602
MD5 17729246d4489d4c70d55e34d8b33914
SHA1 05f2888db4c53e4fc0864a15b17c21876bb77e55
SHA512 113e98bbd04929bc0de80a5f41182dca992b2e1a45b8917267c77419f0c42cb314d1848418aef00138fed1e20614b8f581e25c0fbbc48d88b2000694bb7dffbe
SSDEEP 12288:N615aFdqQf3gmm3LOBID0wCt266fD4EMBm+56j5rVQkC:QIFdqynuOBID0V2PL4EMBm+O5rVE
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/316-140-0x0000000000400000-0x000000000044A000-memory.dmp

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memory/316-142-0x0000000075360000-0x0000000075911000-memory.dmp

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memory/316-143-0x0000000075360000-0x0000000075911000-memory.dmp

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memory/3560-133-0x0000000075360000-0x0000000075911000-memory.dmp

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memory/3560-134-0x0000000075360000-0x0000000075911000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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