c4ae7e7bd0f94c4ff8892b14295ad2d74279e1082a03e1758231e79c94f16403

Analysis

max time kernel
125s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
09/07/2024, 01:12

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General

Target

2e7d15a5329ade0f17ab8224c3925d3a_JaffaCakes118.dll
Size

32KB
MD5

2e7d15a5329ade0f17ab8224c3925d3a
SHA1

4022beb5f1c2fa63a2d80cc9e55a369bc7175436
SHA256

c4ae7e7bd0f94c4ff8892b14295ad2d74279e1082a03e1758231e79c94f16403
SHA512

ce2340f9df04ab6f9df7766f41bbbb74fe27a9b260389afd4cd47b78436fca0ae4b7112acd7200f5114bbc55c22d3fb02d71c01d1b248544713088cdb8fec4dd
SSDEEP

384:eUEk5GPafpRwt1paJs2VVmWKcF8/NXvPAzz55ZR51WwyK/8GuPP:eC1sBa/ccF8/NX3AnzZR51WpKUGuX

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-1-5-21-661257284-3186977026-4220467887-1000\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-1-5-21-661257284-3186977026-4220467887-1000_Classes\Local Settings	cmd.exe

Runs .reg file with regedit 1 IoCs

pid	Process
1716	regedit.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4436	rundll32.exe
4436	rundll32.exe
4436	rundll32.exe
4436	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2132 wrote to memory of 4436	2132	rundll32.exe	89
PID 2132 wrote to memory of 4436	2132	rundll32.exe	89
PID 2132 wrote to memory of 4436	2132	rundll32.exe	89
PID 4436 wrote to memory of 1208	4436	rundll32.exe	91
PID 4436 wrote to memory of 1208	4436	rundll32.exe	91
PID 4436 wrote to memory of 1208	4436	rundll32.exe	91
PID 1208 wrote to memory of 1716	1208	cmd.exe	95
PID 1208 wrote to memory of 1716	1208	cmd.exe	95
PID 1208 wrote to memory of 1716	1208	cmd.exe	95

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2e7d15a5329ade0f17ab8224c3925d3a_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2132
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2e7d15a5329ade0f17ab8224c3925d3a_JaffaCakes118.dll,#1
  2⤵
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4436
- - 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:1208
  - - C:\Windows\SysWOW64\regedit.exe
      "regedit.exe" /s "C:\Users\Admin\AppData\Local\Temp\a.reg"
      4⤵
      Runs .reg file with regedit
      PID:1716

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4108,i,8550138573348074061,7308779696487990535,262144 --variations-seed-version --mojo-platform-channel-handle=4176 /prefetch:8
1⤵
PID:2148

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

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