81be84757757babd0358b058d3c88c48cc44306b1b7493eec63aeae47f2419af

Analysis

max time kernel
150s
max time network
58s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
01/07/2024, 20:40

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General

Target

1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe
Size

67KB
MD5

1c6ca2771616a514c27f210da208d657
SHA1

162232999c032b0886a47dc45272f323e1f9f356
SHA256

81be84757757babd0358b058d3c88c48cc44306b1b7493eec63aeae47f2419af
SHA512

3702e80798c7f6e0b1aa21001df88cf94a5f9c914bb94bf319459ac5cc3b54248463e67dca6d52dee3cddd3eed2e2fa10ddc437ea28120877017e2ad32d99c06
SSDEEP

1536:aPKYFACHuT8NJVC/7Mj6wlEyFIT58+9kh6Ppo9yPalGBB9:aZHQ8NqOr2uITTI6cma0

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\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\Windows\\system32\\twex.exe,"	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\twex.exe	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\twex.exe	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe
636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe
636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe
636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5
PID 636 wrote to memory of 616	636	1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe	5

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:616

C:\Users\Admin\AppData\Local\Temp\1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1c6ca2771616a514c27f210da208d657_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:636

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/616-49-0x0000000015200000-0x0000000015217000-memory.dmp

Filesize
92KB

Download
memory/616-62-0x0000000015260000-0x0000000015277000-memory.dmp

Filesize
92KB

Download
memory/616-7-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/616-13-0x0000000015120000-0x0000000015137000-memory.dmp

Filesize
92KB

Download
memory/616-16-0x0000000015140000-0x0000000015157000-memory.dmp

Filesize
92KB

Download
memory/616-21-0x0000000015160000-0x0000000015177000-memory.dmp

Filesize
92KB

Download
memory/616-27-0x0000000015180000-0x0000000015197000-memory.dmp

Filesize
92KB

Download
memory/616-34-0x00000000151A0000-0x00000000151B7000-memory.dmp

Filesize
92KB

Download
memory/616-44-0x00000000151E0000-0x00000000151F7000-memory.dmp

Filesize
92KB

Download
memory/616-92-0x0000000015320000-0x0000000015337000-memory.dmp

Filesize
92KB

Download
memory/616-53-0x0000000015220000-0x0000000015237000-memory.dmp

Filesize
92KB

Download
memory/616-56-0x0000000015240000-0x0000000015257000-memory.dmp

Filesize
92KB

Download
memory/616-89-0x0000000015300000-0x0000000015317000-memory.dmp

Filesize
92KB

Download
memory/616-37-0x00000000151C0000-0x00000000151D7000-memory.dmp

Filesize
92KB

Download
memory/616-71-0x00000000152A0000-0x00000000152B7000-memory.dmp

Filesize
92KB

Download
memory/616-68-0x0000000015280000-0x0000000015297000-memory.dmp

Filesize
92KB

Download
memory/616-78-0x00000000152C0000-0x00000000152D7000-memory.dmp

Filesize
92KB

Download
memory/616-82-0x00000000152E0000-0x00000000152F7000-memory.dmp

Filesize
92KB

Download
memory/636-1-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/636-0-0x0000000000580000-0x0000000000592000-memory.dmp

Filesize
72KB

Download