a720043d6be3ed0de5f15661b6c9c006eb0f266e598272d0af11a151b24f0c2a

Analysis

max time kernel
97s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12/09/2024, 20:16

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General

Target

dcfafdae6843f0d5f4f63c4b237849cb_JaffaCakes118.dll
Size

64KB
MD5

dcfafdae6843f0d5f4f63c4b237849cb
SHA1

2c956d278c2deb62701fcd20dbdb63716d5b04cf
SHA256

a720043d6be3ed0de5f15661b6c9c006eb0f266e598272d0af11a151b24f0c2a
SHA512

2e3f2bf541c372dcc0a47224ff35f924358e9fb791c19b6758e926567c50c26f27d6b49bc22c9e779927c70888844d5038bfcbb656af7f968bb13c4a44869cd9
SSDEEP

768:BBZGFIzzF1/mjNgXFVdl6ih18TRZWsArsglR9kAX6ge6MLZfOnsXE09hLdX5hBa:BPdpcdiQZWpL9kAqge68lvra

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

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-1-5-21-1194130065-3471212556-1656947724-1000\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

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 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-1-5-21-1194130065-3471212556-1656947724-1000_Classes\Local Settings	cmd.exe

Runs .reg file with regedit 1 IoCs

pid	Process
2164	regedit.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4316 wrote to memory of 904	4316	rundll32.exe	83
PID 4316 wrote to memory of 904	4316	rundll32.exe	83
PID 4316 wrote to memory of 904	4316	rundll32.exe	83
PID 904 wrote to memory of 4480	904	rundll32.exe	84
PID 904 wrote to memory of 4480	904	rundll32.exe	84
PID 904 wrote to memory of 4480	904	rundll32.exe	84
PID 4480 wrote to memory of 2164	4480	cmd.exe	88
PID 4480 wrote to memory of 2164	4480	cmd.exe	88
PID 4480 wrote to memory of 2164	4480	cmd.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dcfafdae6843f0d5f4f63c4b237849cb_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4316
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\dcfafdae6843f0d5f4f63c4b237849cb_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:904
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\a.reg
    3⤵
    - Checks computer location settings
    - System Location Discovery: System Language Discovery
    - Modifies registry class
    - Suspicious use of WriteProcessMemory
    PID:4480
  - - 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:2164

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

System Location Discovery

T1614

System Language Discovery

T1614.001

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/904-0-0x0000000010000000-0x0000000010010000-memory.dmp

Filesize
64KB

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