imminent | ed7c80a95fb48722ec7385fa5ebde9dafb048f7ddfbdf8c2bf9737c9796cc0cc

Analysis

max time kernel
188s
max time network
192s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 15:31

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General

Target

ed7c80a95fb48722ec7385fa5ebde9dafb048f7ddfbdf8c2bf9737c9796cc0cc.exe
Size

421KB
MD5

fadba7570a3f390ddf349845ea37dbd0
SHA1

575aa8ae06c295c4d879d2902893d31b9ad74189
SHA256

ed7c80a95fb48722ec7385fa5ebde9dafb048f7ddfbdf8c2bf9737c9796cc0cc
SHA512

255f98e759f7ed811612a26ce84d3a9ef94c8aaa6279d65316e0ef9913c17f7981215dea3e411b3791371cb359fd582b5b41f62b375a37b31dcadc60bd4cb7cd
SSDEEP

12288:tYTkkv9nV08XfRimCHxW1JfM/iipyhawBamxQM+WF:IZ9+8vRcHQ+q0yhRFz

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

Executes dropped EXE 2 IoCs

pid	Process
3696	winlogon.exe
4988	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-1-5-21-4060001867-1434967833-2212371794-1000\Control Panel\International\Geo\Nation	ed7c80a95fb48722ec7385fa5ebde9dafb048f7ddfbdf8c2bf9737c9796cc0cc.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Control Panel\International\Geo\Nation	winlogon.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Winlogon = "C:\\Users\\Admin\\AppData\\Roaming\\SubFolder\\SubFolder\\winlogon.exe"	csrss.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Winlogon = "C:\\Users\\Admin\\AppData\\Roaming\\SubFolder\\SubFolder\\winlogon.exe"	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Winlogon = "C:\\Users\\Admin\\AppData\\Roaming\\SubFolder\\SubFolder\\winlogon.exe"	winlogon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Winlogon = "C:\\Users\\Admin\\AppData\\Roaming\\SubFolder\\SubFolder\\winlogon.exe"	csrss.exe

Drops desktop.ini file(s) 2 IoCs

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 228 set thread context of 3696	228	winlogon.exe	83

Drops file in Windows directory 3 IoCs

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

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	winlogon.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
228	winlogon.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe
4988	csrss.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3696	winlogon.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3620	ed7c80a95fb48722ec7385fa5ebde9dafb048f7ddfbdf8c2bf9737c9796cc0cc.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	228	winlogon.exe
Token: SeDebugPrivilege	3696	winlogon.exe
Token: SeDebugPrivilege	4988	csrss.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3696	winlogon.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3620 wrote to memory of 228	3620	ed7c80a95fb48722ec7385fa5ebde9dafb048f7ddfbdf8c2bf9737c9796cc0cc.exe	82
PID 3620 wrote to memory of 228	3620	ed7c80a95fb48722ec7385fa5ebde9dafb048f7ddfbdf8c2bf9737c9796cc0cc.exe	82
PID 3620 wrote to memory of 228	3620	ed7c80a95fb48722ec7385fa5ebde9dafb048f7ddfbdf8c2bf9737c9796cc0cc.exe	82
PID 228 wrote to memory of 3696	228	winlogon.exe	83
PID 228 wrote to memory of 3696	228	winlogon.exe	83
PID 228 wrote to memory of 3696	228	winlogon.exe	83
PID 228 wrote to memory of 3696	228	winlogon.exe	83
PID 228 wrote to memory of 3696	228	winlogon.exe	83
PID 228 wrote to memory of 3696	228	winlogon.exe	83
PID 228 wrote to memory of 3696	228	winlogon.exe	83
PID 228 wrote to memory of 3696	228	winlogon.exe	83
PID 228 wrote to memory of 4988	228	winlogon.exe	84
PID 228 wrote to memory of 4988	228	winlogon.exe	84
PID 228 wrote to memory of 4988	228	winlogon.exe	84

C:\Users\Admin\AppData\Local\Temp\ed7c80a95fb48722ec7385fa5ebde9dafb048f7ddfbdf8c2bf9737c9796cc0cc.exe
"C:\Users\Admin\AppData\Local\Temp\ed7c80a95fb48722ec7385fa5ebde9dafb048f7ddfbdf8c2bf9737c9796cc0cc.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:3620
- C:\Users\Admin\AppData\Roaming\SubFolder\SubFolder\winlogon.exe
  "C:\Users\Admin\AppData\Roaming\SubFolder\SubFolder\winlogon.exe"
  2⤵
  - Checks computer location settings
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:228
- - C:\Users\Admin\AppData\Roaming\SubFolder\SubFolder\winlogon.exe
    "C:\Users\Admin\AppData\Roaming\SubFolder\SubFolder\winlogon.exe"
    3⤵
    - 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:3696
- - C:\Users\Admin\AppData\Roaming\SubFolder\SubFolder\csrss.exe
    "C:\Users\Admin\AppData\Roaming\SubFolder\SubFolder\csrss.exe" -keyhide -prochide 3696 -reg C:\Users\Admin\AppData\Roaming\SubFolder\SubFolder\winlogon.exe -proc 3696 C:\Users\Admin\AppData\Roaming\SubFolder\SubFolder\winlogon.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4988

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

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

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Downloads

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

Filesize
421KB

MD5
fadba7570a3f390ddf349845ea37dbd0

SHA1
575aa8ae06c295c4d879d2902893d31b9ad74189

SHA256
ed7c80a95fb48722ec7385fa5ebde9dafb048f7ddfbdf8c2bf9737c9796cc0cc

SHA512
255f98e759f7ed811612a26ce84d3a9ef94c8aaa6279d65316e0ef9913c17f7981215dea3e411b3791371cb359fd582b5b41f62b375a37b31dcadc60bd4cb7cd

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

Filesize
421KB

MD5
fadba7570a3f390ddf349845ea37dbd0

SHA1
575aa8ae06c295c4d879d2902893d31b9ad74189

SHA256
ed7c80a95fb48722ec7385fa5ebde9dafb048f7ddfbdf8c2bf9737c9796cc0cc

SHA512
255f98e759f7ed811612a26ce84d3a9ef94c8aaa6279d65316e0ef9913c17f7981215dea3e411b3791371cb359fd582b5b41f62b375a37b31dcadc60bd4cb7cd

Download Submit
C:\Users\Admin\AppData\Roaming\SubFolder\SubFolder\winlogon.exe

Filesize
421KB

MD5
fadba7570a3f390ddf349845ea37dbd0

SHA1
575aa8ae06c295c4d879d2902893d31b9ad74189

SHA256
ed7c80a95fb48722ec7385fa5ebde9dafb048f7ddfbdf8c2bf9737c9796cc0cc

SHA512
255f98e759f7ed811612a26ce84d3a9ef94c8aaa6279d65316e0ef9913c17f7981215dea3e411b3791371cb359fd582b5b41f62b375a37b31dcadc60bd4cb7cd

Download Submit
memory/228-140-0x0000000074B10000-0x00000000750C1000-memory.dmp

Filesize
5.7MB

Download
memory/228-146-0x0000000074B10000-0x00000000750C1000-memory.dmp

Filesize
5.7MB

Download
memory/3620-132-0x0000000074B10000-0x00000000750C1000-memory.dmp

Filesize
5.7MB

Download
memory/3620-134-0x0000000074B10000-0x00000000750C1000-memory.dmp

Filesize
5.7MB

Download
memory/3696-142-0x0000000074B10000-0x00000000750C1000-memory.dmp

Filesize
5.7MB

Download
memory/3696-136-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3696-138-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3696-137-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3696-148-0x0000000074B10000-0x00000000750C1000-memory.dmp

Filesize
5.7MB

Download
memory/4988-147-0x0000000074B10000-0x00000000750C1000-memory.dmp

Filesize
5.7MB

Download
memory/4988-149-0x0000000074B10000-0x00000000750C1000-memory.dmp

Filesize
5.7MB

Download