e4798759880902ac498ddecafd10eca6e459ac5ab18aef5bba679b729113ba25

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27/09/2024, 22:54

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General

Target

fb0d1f697f9a1f153511ecd696874f90_JaffaCakes118.dll
Size

144KB
MD5

fb0d1f697f9a1f153511ecd696874f90
SHA1

0e6e6d10c112563e65eb753fc90bf22805d63536
SHA256

e4798759880902ac498ddecafd10eca6e459ac5ab18aef5bba679b729113ba25
SHA512

abc910f6f8352b163754413a12fa38106f9b8d9a75ef71631600a51b1e7ec7e52b01a67e4f1efadd10f5d164f294a1abf6529d181ffe9388b048304cb9c7d541
SSDEEP

1536:Z6F7+RXy+NU0xNOQDWPIXqrN/8SKH334uG8P955BtpYWCVCFIfmE1KmY4ULJLiz7:Eim0/OQDMI+0L0WCQZMnd98zZ7fgMti

Score

7^/10

discovery

Malware Config

Signatures

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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	rundll32.exe

Executes dropped EXE 1 IoCs

pid	Process
1512	rundll32mgr.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32mgr.exe	rundll32.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	rundll32mgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
4932	taskkill.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4932	taskkill.EXE

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3672 wrote to memory of 3528	3672	rundll32.exe	82
PID 3672 wrote to memory of 3528	3672	rundll32.exe	82
PID 3672 wrote to memory of 3528	3672	rundll32.exe	82
PID 3528 wrote to memory of 1512	3528	rundll32.exe	83
PID 3528 wrote to memory of 1512	3528	rundll32.exe	83
PID 3528 wrote to memory of 1512	3528	rundll32.exe	83
PID 3528 wrote to memory of 4932	3528	rundll32.exe	84
PID 3528 wrote to memory of 4932	3528	rundll32.exe	84
PID 3528 wrote to memory of 4932	3528	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fb0d1f697f9a1f153511ecd696874f90_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3672
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fb0d1f697f9a1f153511ecd696874f90_JaffaCakes118.dll,#1
  2⤵
  - Checks computer location settings
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3528
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1512
- - C:\Windows\SysWOW64\taskkill.EXE
    "C:\Windows\system32\taskkill.EXE" /f /im Explorer.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4932

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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

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Downloads

C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
76KB

MD5
2e7df5ae9dcabe137166989493d996a9

SHA1
00a2f1abd5480d5e23bf512a8ee37aa842f69b54

SHA256
4c53f34aa96dc64de964e0f440218ea918b4ac56576323edb4626b17265bd8ef

SHA512
38bbc02e1767a8337ce53c73c637d4d9ec883d9f966dff26fb92ecda6d56646166deb5836a7edfd43725408f2e31f07935dbfaf726e6ea77c64ade18bad42d8f

Download Submit
memory/3528-0-0x0000000010000000-0x0000000010025000-memory.dmp

Filesize
148KB

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