b83e1568ce9d74da7dbfdaf336d4d1bef15a850984e8a5ad7fed5eb27a79da54

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
20-07-2024 00:12

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General

Target

5e46cd967ffe8e51a3323182f2a40e3b_JaffaCakes118.dll
Size

60KB
MD5

5e46cd967ffe8e51a3323182f2a40e3b
SHA1

13f7cf2962ff3dc3883c25d3a040e056503f83cc
SHA256

b83e1568ce9d74da7dbfdaf336d4d1bef15a850984e8a5ad7fed5eb27a79da54
SHA512

1d5b6f5b6d0eb3f8852e45df6aaa6c62b09903f96a344577713ab2c6a2ac92bcb6f5b644f720bf24ab77d0181d0a04412886edf4d0bb83a10f90880abaf696e5
SSDEEP

768:FBZX+Nzp4mjNx4Ss4l6iE18++uWdB9GBc81f+Iw5BLJUXNPgH9nmscY:FPdc2inuWdB9r8YXPJY2BmscY

Score

8^/10

persistence privilege_escalation

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-1-5-21-1750093773-264148664-1320403265-1000\Control Panel\International\Geo\Nation	cmd.exe

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-1-5-21-1750093773-264148664-1320403265-1000_Classes\Local Settings	cmd.exe

Runs .reg file with regedit 1 IoCs

pid	Process
3808	regedit.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5100	rundll32.exe
5100	rundll32.exe
5100	rundll32.exe
5100	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1156 wrote to memory of 5100	1156	rundll32.exe	84
PID 1156 wrote to memory of 5100	1156	rundll32.exe	84
PID 1156 wrote to memory of 5100	1156	rundll32.exe	84
PID 5100 wrote to memory of 852	5100	rundll32.exe	85
PID 5100 wrote to memory of 852	5100	rundll32.exe	85
PID 5100 wrote to memory of 852	5100	rundll32.exe	85
PID 852 wrote to memory of 3808	852	cmd.exe	87
PID 852 wrote to memory of 3808	852	cmd.exe	87
PID 852 wrote to memory of 3808	852	cmd.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5e46cd967ffe8e51a3323182f2a40e3b_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1156
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5e46cd967ffe8e51a3323182f2a40e3b_JaffaCakes118.dll,#1
  2⤵
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:5100
- - 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:852
  - - C:\Windows\SysWOW64\regedit.exe
      "regedit.exe" /s "C:\Users\Admin\AppData\Local\Temp\a.reg"
      4⤵
      Runs .reg file with regedit
      PID:3808

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/5100-0-0x0000000010000000-0x000000001000F000-memory.dmp

Filesize
60KB

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