cba61014e7f0468d48cedf1f03dc03b3f190de91bf92edd57f93fa69b9b5f1a9

Analysis

max time kernel
140s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-08-2024 18:47

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General

Target

ac27678f26e6ee590c2cf1ee2052ed35_JaffaCakes118.dll
Size

60KB
MD5

ac27678f26e6ee590c2cf1ee2052ed35
SHA1

3cf1ebc9f487bcb7bf4f0216216ab44b514c61e2
SHA256

cba61014e7f0468d48cedf1f03dc03b3f190de91bf92edd57f93fa69b9b5f1a9
SHA512

1c8f44fe4bb2c5b94f09b8e9814adc892f0f1c00583673a4a442f10a293746dda71aae5b58a4d522faa57cb9496b0b3247afebea10381639a421567d84865ea1
SSDEEP

768:jBZX+Nzp4mjNx4Ds4l6iE18++uWdB9GBc81f+Iw5BLJUXNPgH9nmscY:jPdc1inuWdB9r8YXPJY2BmscY

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
Key created	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000_Classes\Local Settings	cmd.exe
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
724	regedit.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3088	rundll32.exe
3088	rundll32.exe
3088	rundll32.exe
3088	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4552 wrote to memory of 3088	4552	rundll32.exe	84
PID 4552 wrote to memory of 3088	4552	rundll32.exe	84
PID 4552 wrote to memory of 3088	4552	rundll32.exe	84
PID 3088 wrote to memory of 3944	3088	rundll32.exe	85
PID 3088 wrote to memory of 3944	3088	rundll32.exe	85
PID 3088 wrote to memory of 3944	3088	rundll32.exe	85
PID 3944 wrote to memory of 724	3944	cmd.exe	87
PID 3944 wrote to memory of 724	3944	cmd.exe	87
PID 3944 wrote to memory of 724	3944	cmd.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ac27678f26e6ee590c2cf1ee2052ed35_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4552
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ac27678f26e6ee590c2cf1ee2052ed35_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3088
- - 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:3944
  - - 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:724

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/3088-0-0x0000000010000000-0x000000001000F000-memory.dmp

Filesize
60KB

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