e21bac63d02a8317de1a1222b304beb913cfa5e5e7b5fb128cea81e931a68069

Analysis

max time kernel
135s
max time network
106s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
27/07/2024, 17:00

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

78e171839b9257e1a0d3da5a410ae77c_JaffaCakes118.dll
Size

36KB
MD5

78e171839b9257e1a0d3da5a410ae77c
SHA1

d07ee380e5e154ba155192345ff02b07d694c297
SHA256

e21bac63d02a8317de1a1222b304beb913cfa5e5e7b5fb128cea81e931a68069
SHA512

26fa28ead6d534de1e1b45637340afcea2145feff62b2b6fce729e211eea15310a00200af883156dbe16f81d058a87bb7112bf8c72bee914c760b3a3ffc5a39c
SSDEEP

768:7t8dldJN5LXcyXrCD1tDMByGqnXm3+AVWEvaLW:MdzcyXrC/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

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-1-5-21-384068567-2943195810-3631207890-1000\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-1-5-21-384068567-2943195810-3631207890-1000_Classes\Local Settings	cmd.exe

Runs .reg file with regedit 1 IoCs

pid	Process
2292	regedit.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1140	rundll32.exe
1140	rundll32.exe
1140	rundll32.exe
1140	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4764 wrote to memory of 1140	4764	rundll32.exe	84
PID 4764 wrote to memory of 1140	4764	rundll32.exe	84
PID 4764 wrote to memory of 1140	4764	rundll32.exe	84
PID 1140 wrote to memory of 804	1140	rundll32.exe	85
PID 1140 wrote to memory of 804	1140	rundll32.exe	85
PID 1140 wrote to memory of 804	1140	rundll32.exe	85
PID 804 wrote to memory of 2292	804	cmd.exe	87
PID 804 wrote to memory of 2292	804	cmd.exe	87
PID 804 wrote to memory of 2292	804	cmd.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\78e171839b9257e1a0d3da5a410ae77c_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4764
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\78e171839b9257e1a0d3da5a410ae77c_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1140
- - 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:804
  - - 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:2292

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

Loading Replay Monitor...

Downloads

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

Filesize
152B

MD5
b100f5324ef74ded0b998e64d07a2e19

SHA1
40b0d7f51bf2dd8451f1b723d21355c471a5fa46

SHA256
3db613d24a75ae220891698c055e1c580a42e58564f568a0510db87581cc2042

SHA512
c12391bb37c334074f7d7e1257b6364fd5cbce848e0a8fe15b8326f54fd9568fe3baec58618c4334027a774a06a08ec249cb71db925c1f85feee6a3d3a816c04

Download Submit