385742b23f526441bdcc1825eda9e914deb1510d595baed6d8c8ba33f6040802

Analysis

max time kernel
16s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
19/08/2024, 00:13

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General

Target

a8cc1938871c68661c60a439a85997c5_JaffaCakes118.dll
Size

36KB
MD5

a8cc1938871c68661c60a439a85997c5
SHA1

4be92f58802ac3a4450a69f41686bad78b896f0b
SHA256

385742b23f526441bdcc1825eda9e914deb1510d595baed6d8c8ba33f6040802
SHA512

c2ebdb5df4d43bfed48c133658472df5831d77d189744d9a8ea8bf9f7b3cb46d0a867e3bd2cb24a6e4316624f3767b5ad1f8696b29206b9ab680daf4f20d0869
SSDEEP

768:tt8dldJN5LXcyXrCD1tDMByGqnXm3+AVWEvaLW:udzcyXrC/GsnXiVWEvaLW

Score

8^/10

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

System Information Discovery
T1082

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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regedit.exe

Modifies registry class 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\regfile\shell\open\command\ = "regedit.exe /s \"%1\""	rundll32.exe

Runs .reg file with regedit 1 IoCs

pid	Process
2712	regedit.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2528	rundll32.exe
2528	rundll32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 2528	2524	rundll32.exe	29
PID 2524 wrote to memory of 2528	2524	rundll32.exe	29
PID 2524 wrote to memory of 2528	2524	rundll32.exe	29
PID 2524 wrote to memory of 2528	2524	rundll32.exe	29
PID 2524 wrote to memory of 2528	2524	rundll32.exe	29
PID 2524 wrote to memory of 2528	2524	rundll32.exe	29
PID 2524 wrote to memory of 2528	2524	rundll32.exe	29
PID 2528 wrote to memory of 2312	2528	rundll32.exe	30
PID 2528 wrote to memory of 2312	2528	rundll32.exe	30
PID 2528 wrote to memory of 2312	2528	rundll32.exe	30
PID 2528 wrote to memory of 2312	2528	rundll32.exe	30
PID 2312 wrote to memory of 2712	2312	cmd.exe	32
PID 2312 wrote to memory of 2712	2312	cmd.exe	32
PID 2312 wrote to memory of 2712	2312	cmd.exe	32
PID 2312 wrote to memory of 2712	2312	cmd.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a8cc1938871c68661c60a439a85997c5_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2524
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a8cc1938871c68661c60a439a85997c5_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2528
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\a.reg
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2312
  - - C:\Windows\SysWOW64\regedit.exe
      "regedit.exe" /s "C:\Users\Admin\AppData\Local\Temp\a.reg"
      4⤵
      System Location Discovery: System Language Discovery
      Runs .reg file with regedit
      PID:2712

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

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
152B

MD5
b100f5324ef74ded0b998e64d07a2e19

SHA1
40b0d7f51bf2dd8451f1b723d21355c471a5fa46

SHA256
3db613d24a75ae220891698c055e1c580a42e58564f568a0510db87581cc2042

SHA512
c12391bb37c334074f7d7e1257b6364fd5cbce848e0a8fe15b8326f54fd9568fe3baec58618c4334027a774a06a08ec249cb71db925c1f85feee6a3d3a816c04

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