e827db8926d09b4d046258a6e74a83bcc268db0a1c3e546cc6d4259388d81837

General

Target

e827db8926d09b4d046258a6e74a83bcc268db0a1c3e546cc6d4259388d81837.exe
Size

166KB
MD5

0ec5bb7ee52277b898e10a0888506157
SHA1

45d5fb27e9ccc52beede3564167c8fe155d1fd5f
SHA256

e827db8926d09b4d046258a6e74a83bcc268db0a1c3e546cc6d4259388d81837
SHA512

f7ad9c818a62e41749d901830b43cac678f30be64e88a30526fb7161afcfbe03bc454d7ff8fae4f36bb4d407c6d485259ca12d486fde70fb38c5a70a3fb5348b
SSDEEP

3072:jRpYH3CBXgIVHWHEFrmqlixlrZ+Oni3TPmOurlEcMjZGg:jYA3mbLkmOUlEcoZb

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 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:\\WINDOWS\\system32\\drivers\\ntndis.exe"	e827db8926d09b4d046258a6e74a83bcc268db0a1c3e546cc6d4259388d81837.EXE

Drops file in Drivers directory 3 IoCs

description	ioc	Process
File created	C:\WINDOWS\SysWOW64\drivers\ntndis.sys	e827db8926d09b4d046258a6e74a83bcc268db0a1c3e546cc6d4259388d81837.EXE
File created	C:\WINDOWS\SysWOW64\drivers\ntndis.exe	e827db8926d09b4d046258a6e74a83bcc268db0a1c3e546cc6d4259388d81837.EXE
File opened for modification	C:\WINDOWS\SysWOW64\drivers\ntndis.exe	e827db8926d09b4d046258a6e74a83bcc268db0a1c3e546cc6d4259388d81837.EXE

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3228 set thread context of 3312	3228	e827db8926d09b4d046258a6e74a83bcc268db0a1c3e546cc6d4259388d81837.exe	79

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3312	e827db8926d09b4d046258a6e74a83bcc268db0a1c3e546cc6d4259388d81837.EXE
3312	e827db8926d09b4d046258a6e74a83bcc268db0a1c3e546cc6d4259388d81837.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
648	Process not Found

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3312	e827db8926d09b4d046258a6e74a83bcc268db0a1c3e546cc6d4259388d81837.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3228	e827db8926d09b4d046258a6e74a83bcc268db0a1c3e546cc6d4259388d81837.exe
3228	e827db8926d09b4d046258a6e74a83bcc268db0a1c3e546cc6d4259388d81837.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3228 wrote to memory of 3312	3228	e827db8926d09b4d046258a6e74a83bcc268db0a1c3e546cc6d4259388d81837.exe	79
PID 3228 wrote to memory of 3312	3228	e827db8926d09b4d046258a6e74a83bcc268db0a1c3e546cc6d4259388d81837.exe	79
PID 3228 wrote to memory of 3312	3228	e827db8926d09b4d046258a6e74a83bcc268db0a1c3e546cc6d4259388d81837.exe	79
PID 3228 wrote to memory of 3312	3228	e827db8926d09b4d046258a6e74a83bcc268db0a1c3e546cc6d4259388d81837.exe	79
PID 3228 wrote to memory of 3312	3228	e827db8926d09b4d046258a6e74a83bcc268db0a1c3e546cc6d4259388d81837.exe	79
PID 3228 wrote to memory of 3312	3228	e827db8926d09b4d046258a6e74a83bcc268db0a1c3e546cc6d4259388d81837.exe	79
PID 3228 wrote to memory of 3312	3228	e827db8926d09b4d046258a6e74a83bcc268db0a1c3e546cc6d4259388d81837.exe	79
PID 3312 wrote to memory of 2740	3312	e827db8926d09b4d046258a6e74a83bcc268db0a1c3e546cc6d4259388d81837.EXE	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:2740
- C:\Users\Admin\AppData\Local\Temp\e827db8926d09b4d046258a6e74a83bcc268db0a1c3e546cc6d4259388d81837.exe
  "C:\Users\Admin\AppData\Local\Temp\e827db8926d09b4d046258a6e74a83bcc268db0a1c3e546cc6d4259388d81837.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3228
- - C:\Users\Admin\AppData\Local\Temp\e827db8926d09b4d046258a6e74a83bcc268db0a1c3e546cc6d4259388d81837.EXE
    C:\Users\Admin\AppData\Local\Temp\e827db8926d09b4d046258a6e74a83bcc268db0a1c3e546cc6d4259388d81837.EXE
    3⤵
    - Modifies WinLogon for persistence
    - Drops file in Drivers directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3312

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2740-146-0x0000000013140000-0x000000001317B000-memory.dmp

Filesize
236KB

Download
memory/3228-140-0x0000000002C10000-0x0000000002C20000-memory.dmp

Filesize
64KB

Download
memory/3228-133-0x00000000024F0000-0x0000000002500000-memory.dmp

Filesize
64KB

Download
memory/3228-135-0x0000000002660000-0x0000000002670000-memory.dmp

Filesize
64KB

Download
memory/3228-138-0x0000000002BE0000-0x0000000002BF0000-memory.dmp

Filesize
64KB

Download
memory/3228-137-0x0000000000400000-0x000000000042E200-memory.dmp

Filesize
184KB

Download
memory/3228-136-0x0000000002BD0000-0x0000000002BE0000-memory.dmp

Filesize
64KB

Download
memory/3228-134-0x0000000002650000-0x0000000002660000-memory.dmp

Filesize
64KB

Download
memory/3228-139-0x0000000002C00000-0x0000000002C10000-memory.dmp

Filesize
64KB

Download
memory/3228-141-0x0000000002C20000-0x0000000002C30000-memory.dmp

Filesize
64KB

Download
memory/3228-132-0x00000000024E0000-0x00000000024F0000-memory.dmp

Filesize
64KB

Download
memory/3228-147-0x0000000000400000-0x000000000042E200-memory.dmp

Filesize
184KB

Download
memory/3312-145-0x0000000013140000-0x000000001317B000-memory.dmp

Filesize
236KB

Download
memory/3312-143-0x0000000013140000-0x000000001317B000-memory.dmp

Filesize
236KB

Download
memory/3312-148-0x0000000000400000-0x000000000042E200-memory.dmp

Filesize
184KB

Download
memory/3312-149-0x0000000013140000-0x000000001317B000-memory.dmp

Filesize
236KB

Download

Analysis

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