imminent | eb975aeaaf038751aa94d25ed94e0c56107de932f236b83650ac51778ca11931

Analysis

max time kernel
151s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
28/11/2022, 18:25 UTC

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General

Target

eb975aeaaf038751aa94d25ed94e0c56107de932f236b83650ac51778ca11931.exe
Size

1.4MB
MD5

c3a012f02656f46f5d072571531c6525
SHA1

7638c66e36ca156903cfac0ac7e69c20207e0d3c
SHA256

eb975aeaaf038751aa94d25ed94e0c56107de932f236b83650ac51778ca11931
SHA512

c4c61117ea017da1b5a4da8569ac5c0df95409408fa8f26a5950b38c188f677dd247a7d8988968d7231273f8e8e43accd389b59a42bf962f8c85d1706001fc00
SSDEEP

12288:8qOIM5nP5WBPS8n/iN6cg1wFIa0FsMps:8qA5nRkPTn/iZZItOMps

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\\winlogon.exe"	winlogon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, C:\\Users\\Admin\\AppData\\Roaming\\winlogon.exe"	csrss.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, C:\\Users\\Admin\\AppData\\Roaming\\winlogon.exe"	csrss.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, C:\\Users\\Admin\\AppData\\Roaming\\winlogon.exe"	winlogon.exe

Executes dropped EXE 1 IoCs

pid	Process
1560	csrss.exe

Loads dropped DLL 2 IoCs

pid	Process
1564	winlogon.exe
1564	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: EnumeratesProcesses 64 IoCs

pid	Process
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe
1560	csrss.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1564	winlogon.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1948	eb975aeaaf038751aa94d25ed94e0c56107de932f236b83650ac51778ca11931.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1564	winlogon.exe
Token: SeDebugPrivilege	1564	winlogon.exe
Token: SeDebugPrivilege	1560	csrss.exe
Token: SeDebugPrivilege	1560	csrss.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1564	winlogon.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 1564	1948	eb975aeaaf038751aa94d25ed94e0c56107de932f236b83650ac51778ca11931.exe	28
PID 1948 wrote to memory of 1564	1948	eb975aeaaf038751aa94d25ed94e0c56107de932f236b83650ac51778ca11931.exe	28
PID 1948 wrote to memory of 1564	1948	eb975aeaaf038751aa94d25ed94e0c56107de932f236b83650ac51778ca11931.exe	28
PID 1948 wrote to memory of 1564	1948	eb975aeaaf038751aa94d25ed94e0c56107de932f236b83650ac51778ca11931.exe	28
PID 1564 wrote to memory of 1560	1564	winlogon.exe	29
PID 1564 wrote to memory of 1560	1564	winlogon.exe	29
PID 1564 wrote to memory of 1560	1564	winlogon.exe	29
PID 1564 wrote to memory of 1560	1564	winlogon.exe	29

C:\Users\Admin\AppData\Local\Temp\eb975aeaaf038751aa94d25ed94e0c56107de932f236b83650ac51778ca11931.exe
"C:\Users\Admin\AppData\Local\Temp\eb975aeaaf038751aa94d25ed94e0c56107de932f236b83650ac51778ca11931.exe"
1⤵
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1948
- C:\Users\Admin\AppData\Roaming\winlogon.exe
  "C:\Users\Admin\AppData\Roaming\winlogon.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Loads dropped DLL
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1564
- - C:\Users\Admin\AppData\Roaming\csrss.exe
    "C:\Users\Admin\AppData\Roaming\csrss.exe" -reg "explorer.exe, C:\Users\Admin\AppData\Roaming\winlogon.exe" -proc 1564 C:\Users\Admin\AppData\Roaming\winlogon.exe
    3⤵
    - Modifies WinLogon for persistence
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1560

Network

DNS

alienware123.duckdns.org

winlogon.exe

Remote address:

8.8.8.8:53

Request

alienware123.duckdns.org

IN A

Response

alienware123.duckdns.org

IN A

192.169.69.26

192.169.69.26:9003

alienware123.duckdns.org

winlogon.exe

148 B
88 B
3
2
192.169.69.26:9003

alienware123.duckdns.org

winlogon.exe

98 B
44 B
2
1

8.8.8.8:53

alienware123.duckdns.org

dns

winlogon.exe

70 B
86 B
1
1

DNS Request

alienware123.duckdns.org

DNS Response

192.169.69.26

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

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
1.4MB

MD5
c3a012f02656f46f5d072571531c6525

SHA1
7638c66e36ca156903cfac0ac7e69c20207e0d3c

SHA256
eb975aeaaf038751aa94d25ed94e0c56107de932f236b83650ac51778ca11931

SHA512
c4c61117ea017da1b5a4da8569ac5c0df95409408fa8f26a5950b38c188f677dd247a7d8988968d7231273f8e8e43accd389b59a42bf962f8c85d1706001fc00

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

Filesize
1.4MB

MD5
c3a012f02656f46f5d072571531c6525

SHA1
7638c66e36ca156903cfac0ac7e69c20207e0d3c

SHA256
eb975aeaaf038751aa94d25ed94e0c56107de932f236b83650ac51778ca11931

SHA512
c4c61117ea017da1b5a4da8569ac5c0df95409408fa8f26a5950b38c188f677dd247a7d8988968d7231273f8e8e43accd389b59a42bf962f8c85d1706001fc00

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

Filesize
1.4MB

MD5
c3a012f02656f46f5d072571531c6525

SHA1
7638c66e36ca156903cfac0ac7e69c20207e0d3c

SHA256
eb975aeaaf038751aa94d25ed94e0c56107de932f236b83650ac51778ca11931

SHA512
c4c61117ea017da1b5a4da8569ac5c0df95409408fa8f26a5950b38c188f677dd247a7d8988968d7231273f8e8e43accd389b59a42bf962f8c85d1706001fc00

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

Filesize
1.4MB

MD5
c3a012f02656f46f5d072571531c6525

SHA1
7638c66e36ca156903cfac0ac7e69c20207e0d3c

SHA256
eb975aeaaf038751aa94d25ed94e0c56107de932f236b83650ac51778ca11931

SHA512
c4c61117ea017da1b5a4da8569ac5c0df95409408fa8f26a5950b38c188f677dd247a7d8988968d7231273f8e8e43accd389b59a42bf962f8c85d1706001fc00

Download Submit
memory/1560-65-0x0000000074360000-0x000000007490B000-memory.dmp

Filesize
5.7MB

Download
memory/1560-67-0x0000000074360000-0x000000007490B000-memory.dmp

Filesize
5.7MB

Download
memory/1564-58-0x0000000074360000-0x000000007490B000-memory.dmp

Filesize
5.7MB

Download
memory/1564-66-0x0000000074360000-0x000000007490B000-memory.dmp

Filesize
5.7MB

Download
memory/1948-54-0x0000000076031000-0x0000000076033000-memory.dmp

Filesize
8KB

Download
memory/1948-57-0x0000000074360000-0x000000007490B000-memory.dmp

Filesize
5.7MB

Download