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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1468 set thread context of 1684	1468	e827db8926d09b4d046258a6e74a83bcc268db0a1c3e546cc6d4259388d81837.exe	27

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1684	e827db8926d09b4d046258a6e74a83bcc268db0a1c3e546cc6d4259388d81837.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
468	Process not Found

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1684	e827db8926d09b4d046258a6e74a83bcc268db0a1c3e546cc6d4259388d81837.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1468	e827db8926d09b4d046258a6e74a83bcc268db0a1c3e546cc6d4259388d81837.exe
1468	e827db8926d09b4d046258a6e74a83bcc268db0a1c3e546cc6d4259388d81837.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1468 wrote to memory of 1684	1468	e827db8926d09b4d046258a6e74a83bcc268db0a1c3e546cc6d4259388d81837.exe	27
PID 1468 wrote to memory of 1684	1468	e827db8926d09b4d046258a6e74a83bcc268db0a1c3e546cc6d4259388d81837.exe	27
PID 1468 wrote to memory of 1684	1468	e827db8926d09b4d046258a6e74a83bcc268db0a1c3e546cc6d4259388d81837.exe	27
PID 1468 wrote to memory of 1684	1468	e827db8926d09b4d046258a6e74a83bcc268db0a1c3e546cc6d4259388d81837.exe	27
PID 1468 wrote to memory of 1684	1468	e827db8926d09b4d046258a6e74a83bcc268db0a1c3e546cc6d4259388d81837.exe	27
PID 1468 wrote to memory of 1684	1468	e827db8926d09b4d046258a6e74a83bcc268db0a1c3e546cc6d4259388d81837.exe	27
PID 1468 wrote to memory of 1684	1468	e827db8926d09b4d046258a6e74a83bcc268db0a1c3e546cc6d4259388d81837.exe	27
PID 1468 wrote to memory of 1684	1468	e827db8926d09b4d046258a6e74a83bcc268db0a1c3e546cc6d4259388d81837.exe	27
PID 1684 wrote to memory of 1424	1684	e827db8926d09b4d046258a6e74a83bcc268db0a1c3e546cc6d4259388d81837.EXE	14

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1424
- 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:1468
- - 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:1684

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/1468-62-0x00000000002C0000-0x00000000002D0000-memory.dmp

Filesize
64KB

Download
memory/1468-73-0x0000000000400000-0x000000000042E200-memory.dmp

Filesize
184KB

Download
memory/1468-56-0x00000000001E0000-0x00000000001F0000-memory.dmp

Filesize
64KB

Download
memory/1468-63-0x00000000002D0000-0x00000000002E0000-memory.dmp

Filesize
64KB

Download
memory/1468-58-0x0000000000200000-0x0000000000210000-memory.dmp

Filesize
64KB

Download
memory/1468-59-0x0000000000290000-0x00000000002A0000-memory.dmp

Filesize
64KB

Download
memory/1468-60-0x00000000002A0000-0x00000000002B0000-memory.dmp

Filesize
64KB

Download
memory/1468-61-0x00000000002B0000-0x00000000002C0000-memory.dmp

Filesize
64KB

Download
memory/1468-55-0x00000000001D0000-0x00000000001E0000-memory.dmp

Filesize
64KB

Download
memory/1468-54-0x0000000076BA1000-0x0000000076BA3000-memory.dmp

Filesize
8KB

Download
memory/1468-57-0x00000000001F0000-0x0000000000200000-memory.dmp

Filesize
64KB

Download
memory/1684-64-0x0000000013140000-0x000000001317B000-memory.dmp

Filesize
236KB

Download
memory/1684-67-0x0000000013140000-0x000000001317B000-memory.dmp

Filesize
236KB

Download
memory/1684-69-0x0000000013140000-0x000000001317B000-memory.dmp

Filesize
236KB

Download
memory/1684-72-0x0000000013140000-0x000000001317B000-memory.dmp

Filesize
236KB

Download
memory/1684-65-0x0000000013140000-0x000000001317B000-memory.dmp

Filesize
236KB

Download
memory/1684-77-0x0000000000400000-0x000000000042E200-memory.dmp

Filesize
184KB

Download
memory/1684-78-0x0000000013140000-0x000000001317B000-memory.dmp

Filesize
236KB

Download

Analysis

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