f7ca7e88fd3e5334f9b0ba93ad90b87102530327a4d706612244c6fe1682bd57

General

Target

f7ca7e88fd3e5334f9b0ba93ad90b87102530327a4d706612244c6fe1682bd57.exe
Size

244KB
MD5

65096b8002049fc64527f8ed57518af0
SHA1

9f3bb38c00c54c93c69649f1df9373864615c083
SHA256

f7ca7e88fd3e5334f9b0ba93ad90b87102530327a4d706612244c6fe1682bd57
SHA512

31dba3c8e6e6c6b1a703fa7adfc3cc371e23b356b5bfeee243d053b813019e9071f24487c4e8a5caf0a624c6d53fd75e7617d0658accb825dd25b0f38bc6eefe
SSDEEP

6144:kEXlSylvFuWaS54hIAv/QhuA7HY8pPZ0FP6BzxM5EmX:RAylvv5YRwh9HYd61xhmX

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\apppatch\\svchost.exe,"	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3060	svchost.exe

Loads dropped DLL 7 IoCs

pid	Process
2024	f7ca7e88fd3e5334f9b0ba93ad90b87102530327a4d706612244c6fe1682bd57.exe
2024	f7ca7e88fd3e5334f9b0ba93ad90b87102530327a4d706612244c6fe1682bd57.exe
2624	WerFault.exe
2624	WerFault.exe
2624	WerFault.exe
2624	WerFault.exe
2624	WerFault.exe

Modifies WinLogon 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\bb44fad4 = "C:\\Windows\\apppatch\\svchost.exe"	f7ca7e88fd3e5334f9b0ba93ad90b87102530327a4d706612244c6fe1682bd57.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\bb44fad4 = "C:\\Windows\\apppatch\\svchost.exe"	svchost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\apppatch\svchost.exe	f7ca7e88fd3e5334f9b0ba93ad90b87102530327a4d706612244c6fe1682bd57.exe
File opened for modification	C:\Windows\apppatch\svchost.exe	f7ca7e88fd3e5334f9b0ba93ad90b87102530327a4d706612244c6fe1682bd57.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2624	3060	WerFault.exe	28

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3060	svchost.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2024	f7ca7e88fd3e5334f9b0ba93ad90b87102530327a4d706612244c6fe1682bd57.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2024 wrote to memory of 3060	2024	f7ca7e88fd3e5334f9b0ba93ad90b87102530327a4d706612244c6fe1682bd57.exe	28
PID 2024 wrote to memory of 3060	2024	f7ca7e88fd3e5334f9b0ba93ad90b87102530327a4d706612244c6fe1682bd57.exe	28
PID 2024 wrote to memory of 3060	2024	f7ca7e88fd3e5334f9b0ba93ad90b87102530327a4d706612244c6fe1682bd57.exe	28
PID 2024 wrote to memory of 3060	2024	f7ca7e88fd3e5334f9b0ba93ad90b87102530327a4d706612244c6fe1682bd57.exe	28
PID 3060 wrote to memory of 2624	3060	svchost.exe	29
PID 3060 wrote to memory of 2624	3060	svchost.exe	29
PID 3060 wrote to memory of 2624	3060	svchost.exe	29
PID 3060 wrote to memory of 2624	3060	svchost.exe	29

C:\Users\Admin\AppData\Local\Temp\f7ca7e88fd3e5334f9b0ba93ad90b87102530327a4d706612244c6fe1682bd57.exe
"C:\Users\Admin\AppData\Local\Temp\f7ca7e88fd3e5334f9b0ba93ad90b87102530327a4d706612244c6fe1682bd57.exe"
1⤵
- Loads dropped DLL
- Modifies WinLogon
- Drops file in Windows directory
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2024
- C:\Windows\apppatch\svchost.exe
  "C:\Windows\apppatch\svchost.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Executes dropped EXE
  - Modifies WinLogon
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3060
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3060 -s 356
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2624

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Winlogon Helper DLL

2

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Winlogon Helper DLL

2

T1547.004

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Windows\AppPatch\svchost.exe

Filesize
244KB

MD5
658b153290d272f9750ea610b6b6a466

SHA1
0a6498722e1c30755a2fcaeecd752c440541498d

SHA256
9cda300e15d4968dfc2a2a5f7e65156ec1a72a669c8a11bb60f68a12ef5574df

SHA512
7914d21d3438834ff5ec7cd5c3fbdf91beaf81e194921d96341fae4feb51820cfe9e0850ebb145f4c8f6ba8ece58dd14d63bc53b016c23cf3ab9918a1f637ffe

Download Submit
memory/2024-18-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2024-1-0x0000000000220000-0x0000000000288000-memory.dmp

Filesize
416KB

Download
memory/2024-2-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2024-16-0x0000000000220000-0x0000000000288000-memory.dmp

Filesize
416KB

Download
memory/2024-0-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3060-22-0x00000000003A0000-0x00000000003EA000-memory.dmp

Filesize
296KB

Download
memory/3060-19-0x00000000003A0000-0x00000000003EA000-memory.dmp

Filesize
296KB

Download
memory/3060-17-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3060-20-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3060-24-0x00000000003A0000-0x00000000003EA000-memory.dmp

Filesize
296KB

Download
memory/3060-26-0x00000000003A0000-0x00000000003EA000-memory.dmp

Filesize
296KB

Download
memory/3060-28-0x00000000003A0000-0x00000000003EA000-memory.dmp

Filesize
296KB

Download
memory/3060-29-0x00000000004B0000-0x0000000000508000-memory.dmp

Filesize
352KB

Download
memory/3060-32-0x00000000004B0000-0x0000000000508000-memory.dmp

Filesize
352KB

Download
memory/3060-34-0x00000000004B0000-0x0000000000508000-memory.dmp

Filesize
352KB

Download
memory/3060-45-0x00000000004B0000-0x0000000000508000-memory.dmp

Filesize
352KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads