aaf37884008d5349a4a3afdfd5f0db77c7124e3a75f65baceb3aeea7d1f334fc

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
12-07-2024 01:41

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General

Target

3b8a22535b8689a485c19286b15afcc0_JaffaCakes118.dll
Size

46KB
MD5

3b8a22535b8689a485c19286b15afcc0
SHA1

67226810c1b95f8130a4b0678e7915c39d6e2956
SHA256

aaf37884008d5349a4a3afdfd5f0db77c7124e3a75f65baceb3aeea7d1f334fc
SHA512

b0c651444caafe287c7b87b90220144a8537521e46a60c59a8714848109975a52c0002fb827703dae77a3ca0892d31981a6c44c7b46d6582c43e6cb6e69ff34d
SSDEEP

768:/lIeW2bUI4iG0Sp5nbClD3qgzgrm0kaG5WVa0U05dVoDht6uCeqvOpMqXz+EmD:/qh2bUIDG0S0dAm0YGaAyV9PqvSMqXzM

Score

10^/10

persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 2 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\ShellServiceObjectDelayLoad\xyz = "{92b4d6f8-92b4-b4d6-3c5e-92b4d6f81a3c}"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	rundll32.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\jkl.rst	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\jkl.rst	rundll32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{92b4d6f8-92b4-b4d6-3c5e-92b4d6f81a3c}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{92b4d6f8-92b4-b4d6-3c5e-92b4d6f81a3c}\	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{92b4d6f8-92b4-b4d6-3c5e-92b4d6f81a3c}\InprocServer32	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{92b4d6f8-92b4-b4d6-3c5e-92b4d6f81a3c}\InprocServer32\ = "C:\\Windows\\SysWow64\\jkl.rst"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{92b4d6f8-92b4-b4d6-3c5e-92b4d6f81a3c}\InprocServer32\ThreadingModel = "Apartment"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2136	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2136	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2560 wrote to memory of 2136	2560	rundll32.exe	30
PID 2560 wrote to memory of 2136	2560	rundll32.exe	30
PID 2560 wrote to memory of 2136	2560	rundll32.exe	30
PID 2560 wrote to memory of 2136	2560	rundll32.exe	30
PID 2560 wrote to memory of 2136	2560	rundll32.exe	30
PID 2560 wrote to memory of 2136	2560	rundll32.exe	30
PID 2560 wrote to memory of 2136	2560	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b8a22535b8689a485c19286b15afcc0_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2560
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b8a22535b8689a485c19286b15afcc0_JaffaCakes118.dll,#1
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Drops file in System32 directory
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:2136

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2136-0-0x0000000000240000-0x0000000000275000-memory.dmp

Filesize
212KB

Download
memory/2136-6-0x0000000000240000-0x0000000000275000-memory.dmp

Filesize
212KB

Download
memory/2136-5-0x0000000000268000-0x0000000000269000-memory.dmp

Filesize
4KB

Download
memory/2136-4-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2136-3-0x0000000000240000-0x0000000000275000-memory.dmp

Filesize
212KB

Download
memory/2136-2-0x0000000000240000-0x0000000000275000-memory.dmp

Filesize
212KB

Download
memory/2136-1-0x0000000000240000-0x0000000000275000-memory.dmp

Filesize
212KB

Download
memory/2136-10-0x0000000000240000-0x0000000000275000-memory.dmp

Filesize
212KB

Download
memory/2136-11-0x0000000000268000-0x0000000000269000-memory.dmp

Filesize
4KB

Download