9da519fbadad455c680aff4c0148c5cd07ab1e7ca4228cf2fecccd1ab8e54998

Analysis

max time kernel
150s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20/08/2024, 13:42

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

af747056fcabc02d901e919d735b161e_JaffaCakes118.exe
Size

46KB
MD5

af747056fcabc02d901e919d735b161e
SHA1

e933c85c7f988adc3129f206b826001f4fc509d5
SHA256

9da519fbadad455c680aff4c0148c5cd07ab1e7ca4228cf2fecccd1ab8e54998
SHA512

1f595ea7c76b22531e1954bc92e5beea23b17ebc4396906cd11c3eb074115d7783c553c090375630fc01a8df7a008b9d7fc6812c126d5213ed2740984433829e
SSDEEP

768:LCqdaLotERAQ/zLeeH4kLl9vrq9sTdj9uKOcmMjwJTh1WjFoOsJYS6wm5hY9f:LCqdDt6jz3HS9sTN9uKO2wJT4oRYJ7hy

Score

7^/10

discovery persistence

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
4840	af747056fcabc02d901e919d735b161e_JaffaCakes118.exe
1940	rundll32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MSServer = "rundll32.exe C:\\Windows\\system32\\yaywxYOF.dll,#1"	rundll32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\yaywxYOF.dll	af747056fcabc02d901e919d735b161e_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\ssqOEUnM.dll	af747056fcabc02d901e919d735b161e_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\ssqOEUnM.dll	af747056fcabc02d901e919d735b161e_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\yaywxYOF.dll	af747056fcabc02d901e919d735b161e_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	af747056fcabc02d901e919d735b161e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DFAAB7BB-4990-47B1-8F27-6DB9C258D26B}	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DFAAB7BB-4990-47B1-8F27-6DB9C258D26B}\InprocServer32	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DFAAB7BB-4990-47B1-8F27-6DB9C258D26B}\InprocServer32\ = "C:\\Windows\\SysWow64\\yaywxYOF.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DFAAB7BB-4990-47B1-8F27-6DB9C258D26B}\InprocServer32\ThreadingModel = "Both"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4840	af747056fcabc02d901e919d735b161e_JaffaCakes118.exe
4840	af747056fcabc02d901e919d735b161e_JaffaCakes118.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe
1940	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4840	af747056fcabc02d901e919d735b161e_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4840	af747056fcabc02d901e919d735b161e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4840 wrote to memory of 608	4840	af747056fcabc02d901e919d735b161e_JaffaCakes118.exe	5
PID 4840 wrote to memory of 1940	4840	af747056fcabc02d901e919d735b161e_JaffaCakes118.exe	94
PID 4840 wrote to memory of 1940	4840	af747056fcabc02d901e919d735b161e_JaffaCakes118.exe	94
PID 4840 wrote to memory of 1940	4840	af747056fcabc02d901e919d735b161e_JaffaCakes118.exe	94
PID 4840 wrote to memory of 920	4840	af747056fcabc02d901e919d735b161e_JaffaCakes118.exe	95
PID 4840 wrote to memory of 920	4840	af747056fcabc02d901e919d735b161e_JaffaCakes118.exe	95
PID 4840 wrote to memory of 920	4840	af747056fcabc02d901e919d735b161e_JaffaCakes118.exe	95

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:608

C:\Users\Admin\AppData\Local\Temp\af747056fcabc02d901e919d735b161e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\af747056fcabc02d901e919d735b161e_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4840
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Windows\system32\yaywxYOF.dll,a
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  PID:1940
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\removalfile.bat "C:\Users\Admin\AppData\Local\Temp\af747056fcabc02d901e919d735b161e_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:920

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\removalfile.bat

Filesize
43B

MD5
9a7ef09167a6f4433681b94351509043

SHA1
259b1375ed8e84943ca1d42646bb416325c89e12

SHA256
d5739a0510d89da572eb0b0d394d4fb4dd361cd9ee0144b9b31c590df93c3be7

SHA512
96b84cd88a0e4b7c1122af3ed6ce5edf0a9a4e9bf79575eadfac16b2c46f1278d57755d29f21d7c6dcb4403be24b7ac7da4837c6cc9c602342a8f2b8e54883df

Download Submit
C:\Windows\SysWOW64\ssqOEUnM.dll

Filesize
33KB

MD5
ba63ed4805185e5431b8281449ae455f

SHA1
6cf37afe4d2d6e6b482ce64ac07ed9e935ae8e45

SHA256
d945d2797c4b4215c0fbecc10f0aa9c3b192e877f7e002fc95c3892965d2d8fb

SHA512
4b65fb6085ba356ed6649bcfd869341017235c4597c5f80158e43ccaffef835eff3b4704d839214cca3da186fda66e7b5e37a3b4f9de8f88ac0384bd04ccc192

Download Submit
memory/1940-19-0x00007FF84C5F0000-0x00007FF84C7E5000-memory.dmp

Filesize
2.0MB

Download
memory/1940-21-0x00007FF84C5F0000-0x00007FF84C7E5000-memory.dmp

Filesize
2.0MB

Download
memory/1940-22-0x0000000010000000-0x0000000010010000-memory.dmp

Filesize
64KB

Download
memory/4840-0-0x00007FF84C5F0000-0x00007FF84C7E5000-memory.dmp

Filesize
2.0MB

Download
memory/4840-10-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/4840-11-0x0000000010000000-0x0000000010010000-memory.dmp

Filesize
64KB

Download