13eeac587c8a32a64847568f99a60012534647fe9540cc0b540df4e113dcf0f2

Analysis

max time kernel
135s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
08/07/2024, 02:23

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General

Target

2aa795e7dcf3bd2b601a890711c892f4_JaffaCakes118.dll
Size

60KB
MD5

2aa795e7dcf3bd2b601a890711c892f4
SHA1

305a0fb64296f3c27d4af02803312b3aff9afc24
SHA256

13eeac587c8a32a64847568f99a60012534647fe9540cc0b540df4e113dcf0f2
SHA512

3247e7a64684f215488e083436c446e0450ad61925fbca291ef54eee47958db86058c06cf900b561da9a8fb7ff2f1071675d26d3dfb1a91615cbaf4bdb206a3b
SSDEEP

1536:CJiYU3BtpCdtWMrd4IJfzc5TOtnVxhxMU:CJil3BHCdtWxSLMTOtVxgU

Score

8^/10

persistence privilege_escalation vmprotect

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\Control Panel\International\Geo\Nation	cmd.exe

VMProtect packed file 1 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral2/memory/376-0-0x0000000010000000-0x000000001000F000-memory.dmp	vmprotect

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 2 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\regfile\shell\open\command\ = "regedit.exe /s \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000_Classes\Local Settings	cmd.exe

Runs .reg file with regedit 1 IoCs

pid	Process
4032	regedit.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
376	rundll32.exe
376	rundll32.exe
376	rundll32.exe
376	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3080 wrote to memory of 376	3080	rundll32.exe	84
PID 3080 wrote to memory of 376	3080	rundll32.exe	84
PID 3080 wrote to memory of 376	3080	rundll32.exe	84
PID 376 wrote to memory of 4312	376	rundll32.exe	85
PID 376 wrote to memory of 4312	376	rundll32.exe	85
PID 376 wrote to memory of 4312	376	rundll32.exe	85
PID 4312 wrote to memory of 4032	4312	cmd.exe	90
PID 4312 wrote to memory of 4032	4312	cmd.exe	90
PID 4312 wrote to memory of 4032	4312	cmd.exe	90

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2aa795e7dcf3bd2b601a890711c892f4_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3080
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2aa795e7dcf3bd2b601a890711c892f4_JaffaCakes118.dll,#1
  2⤵
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:376
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\a.reg
    3⤵
    - Checks computer location settings
    - Modifies registry class
    - Suspicious use of WriteProcessMemory
    PID:4312
  - - C:\Windows\SysWOW64\regedit.exe
      "regedit.exe" /s "C:\Users\Admin\AppData\Local\Temp\a.reg"
      4⤵
      Runs .reg file with regedit
      PID:4032

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\a.reg

Filesize
152B

MD5
b100f5324ef74ded0b998e64d07a2e19

SHA1
40b0d7f51bf2dd8451f1b723d21355c471a5fa46

SHA256
3db613d24a75ae220891698c055e1c580a42e58564f568a0510db87581cc2042

SHA512
c12391bb37c334074f7d7e1257b6364fd5cbce848e0a8fe15b8326f54fd9568fe3baec58618c4334027a774a06a08ec249cb71db925c1f85feee6a3d3a816c04

Download Submit
memory/376-0-0x0000000010000000-0x000000001000F000-memory.dmp

Filesize
60KB

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