imminent | 04aba42c129f4795fa32a85175571635007db000723d4f983e1bccae3a1eec94

Analysis

max time kernel
155s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
26-11-2022 17:57

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General

Target

04aba42c129f4795fa32a85175571635007db000723d4f983e1bccae3a1eec94.exe
Size

532KB
MD5

85925b5131a1e454625a34f8c69a78a0
SHA1

9f643052bfdffbf1dc3283f367e06f378e66c3f5
SHA256

04aba42c129f4795fa32a85175571635007db000723d4f983e1bccae3a1eec94
SHA512

e2d6b086ab1ab431171bdd2469cb3cd47820e660d8412c674247c6d15d99bf83de984e21b1bd3bce1988e9b808191d88ad2cafa1d9a33d7156c41480c90b3d1f
SSDEEP

6144:TUzGE4pm3JDS83IwQ6BLgy8UlxIxE7y/x17p/UUvapaK6wtSBbMp0VUprkL1z2L7:TUN2Oy8Uy8U02+/vt/2cUctUw1C8Um

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 4 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, C:\\Users\\Admin\\AppData\\Roaming\\rasphone.exe"	rasphone.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, C:\\Users\\Admin\\AppData\\Roaming\\rasphone.exe"	csrss.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, C:\\Users\\Admin\\AppData\\Roaming\\rasphone.exe"	csrss.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, C:\\Users\\Admin\\AppData\\Roaming\\rasphone.exe"	rasphone.exe

Executes dropped EXE 1 IoCs

pid	Process
3404	csrss.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	rasphone.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	04aba42c129f4795fa32a85175571635007db000723d4f983e1bccae3a1eec94.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	04aba42c129f4795fa32a85175571635007db000723d4f983e1bccae3a1eec94.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	04aba42c129f4795fa32a85175571635007db000723d4f983e1bccae3a1eec94.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	04aba42c129f4795fa32a85175571635007db000723d4f983e1bccae3a1eec94.exe
File created	C:\Windows\assembly\Desktop.ini	04aba42c129f4795fa32a85175571635007db000723d4f983e1bccae3a1eec94.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	04aba42c129f4795fa32a85175571635007db000723d4f983e1bccae3a1eec94.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
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe
3404	csrss.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1460	rasphone.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1656	04aba42c129f4795fa32a85175571635007db000723d4f983e1bccae3a1eec94.exe

Suspicious use of AdjustPrivilegeToken 11 IoCs

description	pid	Process
Token: SeDebugPrivilege	1656	04aba42c129f4795fa32a85175571635007db000723d4f983e1bccae3a1eec94.exe
Token: 33	1656	04aba42c129f4795fa32a85175571635007db000723d4f983e1bccae3a1eec94.exe
Token: SeIncBasePriorityPrivilege	1656	04aba42c129f4795fa32a85175571635007db000723d4f983e1bccae3a1eec94.exe
Token: SeDebugPrivilege	1460	rasphone.exe
Token: 33	1460	rasphone.exe
Token: SeIncBasePriorityPrivilege	1460	rasphone.exe
Token: SeDebugPrivilege	1460	rasphone.exe
Token: SeDebugPrivilege	3404	csrss.exe
Token: 33	3404	csrss.exe
Token: SeIncBasePriorityPrivilege	3404	csrss.exe
Token: SeDebugPrivilege	3404	csrss.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1460	rasphone.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1656 wrote to memory of 1460	1656	04aba42c129f4795fa32a85175571635007db000723d4f983e1bccae3a1eec94.exe	78
PID 1656 wrote to memory of 1460	1656	04aba42c129f4795fa32a85175571635007db000723d4f983e1bccae3a1eec94.exe	78
PID 1656 wrote to memory of 1460	1656	04aba42c129f4795fa32a85175571635007db000723d4f983e1bccae3a1eec94.exe	78
PID 1460 wrote to memory of 3404	1460	rasphone.exe	79
PID 1460 wrote to memory of 3404	1460	rasphone.exe	79
PID 1460 wrote to memory of 3404	1460	rasphone.exe	79

C:\Users\Admin\AppData\Local\Temp\04aba42c129f4795fa32a85175571635007db000723d4f983e1bccae3a1eec94.exe
"C:\Users\Admin\AppData\Local\Temp\04aba42c129f4795fa32a85175571635007db000723d4f983e1bccae3a1eec94.exe"
1⤵
- Checks computer location settings
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1656
- C:\Users\Admin\AppData\Roaming\rasphone.exe
  "C:\Users\Admin\AppData\Roaming\rasphone.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Checks computer location settings
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1460
- - C:\Users\Admin\AppData\Roaming\csrss.exe
    "C:\Users\Admin\AppData\Roaming\csrss.exe" -reg "explorer.exe, C:\Users\Admin\AppData\Roaming\rasphone.exe" -proc 1460 C:\Users\Admin\AppData\Roaming\rasphone.exe
    3⤵
    - Modifies WinLogon for persistence
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3404

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\csrss.exe

Filesize
532KB

MD5
85925b5131a1e454625a34f8c69a78a0

SHA1
9f643052bfdffbf1dc3283f367e06f378e66c3f5

SHA256
04aba42c129f4795fa32a85175571635007db000723d4f983e1bccae3a1eec94

SHA512
e2d6b086ab1ab431171bdd2469cb3cd47820e660d8412c674247c6d15d99bf83de984e21b1bd3bce1988e9b808191d88ad2cafa1d9a33d7156c41480c90b3d1f

Download Submit
C:\Users\Admin\AppData\Roaming\csrss.exe

Filesize
532KB

MD5
85925b5131a1e454625a34f8c69a78a0

SHA1
9f643052bfdffbf1dc3283f367e06f378e66c3f5

SHA256
04aba42c129f4795fa32a85175571635007db000723d4f983e1bccae3a1eec94

SHA512
e2d6b086ab1ab431171bdd2469cb3cd47820e660d8412c674247c6d15d99bf83de984e21b1bd3bce1988e9b808191d88ad2cafa1d9a33d7156c41480c90b3d1f

Download Submit
memory/1460-135-0x00000000752D0000-0x0000000075881000-memory.dmp

Filesize
5.7MB

Download
memory/1460-140-0x00000000752D0000-0x0000000075881000-memory.dmp

Filesize
5.7MB

Download
memory/1656-132-0x00000000752D0000-0x0000000075881000-memory.dmp

Filesize
5.7MB

Download
memory/1656-134-0x00000000752D0000-0x0000000075881000-memory.dmp

Filesize
5.7MB

Download
memory/3404-139-0x00000000752D0000-0x0000000075881000-memory.dmp

Filesize
5.7MB

Download
memory/3404-141-0x00000000752D0000-0x0000000075881000-memory.dmp

Filesize
5.7MB

Download