imminent | 8dc87564e798918da03ca73d100dd2623c239319a687550ca1ca364d5782b66c

Analysis

max time kernel
162s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
22/11/2022, 20:11

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General

Target
8dc87564e798918da03ca73d100dd2623c239319a687550ca1ca364d5782b66c.exe
Size 345KB
Sample221122-yykypaba5t
SHA256 8dc87564e798918da03ca73d100dd2623c239319a687550ca1ca364d5782b66c
MD5 df3dea2710d684c6606fd6b7b182f2c4
SHA1 00e80c47352c7d73de1a7aff94c6c39fade997d7
SHA512 bbeeb332098353904a3aedac70c56cd5c803ad78fe84f54891d8bca30a10c743d62581f207d3e84e8d61f2ca8e33e87ac638b1c483be0eec84611997e5581dc8
SSDEEP 6144:uDkjip+aCO8Ekb8sTUI3+kSjpwvjdn3lfhuUtko88/8I9ifk:+ktaCik9R3WwrjVkI9iM
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

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-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	8dc87564e798918da03ca73d100dd2623c239319a687550ca1ca364d5782b66c.exe

Adds Run key to start application 2 TTPs 2 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"	winlogon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Winlogon = "C:\\Users\\Admin\\AppData\\Roaming\\SubFolder\\SubFolder\\winlogon.exe"	winlogon.exe

Drops desktop.ini file(s) 2 IoCs

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 620 set thread context of 3276	620	winlogon.exe	86

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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3276	winlogon.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2088	8dc87564e798918da03ca73d100dd2623c239319a687550ca1ca364d5782b66c.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3276	winlogon.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3276	winlogon.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2088 wrote to memory of 620	2088	8dc87564e798918da03ca73d100dd2623c239319a687550ca1ca364d5782b66c.exe	85
PID 2088 wrote to memory of 620	2088	8dc87564e798918da03ca73d100dd2623c239319a687550ca1ca364d5782b66c.exe	85
PID 2088 wrote to memory of 620	2088	8dc87564e798918da03ca73d100dd2623c239319a687550ca1ca364d5782b66c.exe	85
PID 620 wrote to memory of 3276	620	winlogon.exe	86
PID 620 wrote to memory of 3276	620	winlogon.exe	86
PID 620 wrote to memory of 3276	620	winlogon.exe	86
PID 620 wrote to memory of 3276	620	winlogon.exe	86
PID 620 wrote to memory of 3276	620	winlogon.exe	86
PID 620 wrote to memory of 3276	620	winlogon.exe	86
PID 620 wrote to memory of 3276	620	winlogon.exe	86
PID 620 wrote to memory of 3276	620	winlogon.exe	86

C:\Users\Admin\AppData\Local\Temp\8dc87564e798918da03ca73d100dd2623c239319a687550ca1ca364d5782b66c.exe
"C:\Users\Admin\AppData\Local\Temp\8dc87564e798918da03ca73d100dd2623c239319a687550ca1ca364d5782b66c.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2088
- C:\Users\Admin\AppData\Roaming\SubFolder\SubFolder\winlogon.exe
  "C:\Users\Admin\AppData\Roaming\SubFolder\SubFolder\winlogon.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:620
- - C:\Users\Admin\AppData\Roaming\SubFolder\SubFolder\winlogon.exe
    "C:\Users\Admin\AppData\Roaming\SubFolder\SubFolder\winlogon.exe"
    3⤵
    - Drops desktop.ini file(s)
    - Drops file in Windows directory
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:3276

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

memory/620-140-0x0000000074BD0000-0x0000000075181000-memory.dmp

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memory/2088-132-0x0000000074BD0000-0x0000000075181000-memory.dmp

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memory/2088-134-0x0000000074BD0000-0x0000000075181000-memory.dmp

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memory/3276-136-0x0000000000400000-0x000000000044A000-memory.dmp

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memory/3276-137-0x0000000000400000-0x000000000044A000-memory.dmp

Download

memory/3276-138-0x0000000000400000-0x000000000044A000-memory.dmp

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memory/3276-141-0x0000000074BD0000-0x0000000075181000-memory.dmp

Download

memory/3276-142-0x0000000074BD0000-0x0000000075181000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads