234fc76bb5b3039a856023358632cb4de9d47e2095901327ccf3b13a54ae5a91

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29/09/2024, 06:04

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General

Target

fdeef5b2083eabd885ab7fd03e4dd8aa_JaffaCakes118.dll
Size

36KB
MD5

fdeef5b2083eabd885ab7fd03e4dd8aa
SHA1

65846e3618197ad367c700d71fb1fdcef19e63ec
SHA256

234fc76bb5b3039a856023358632cb4de9d47e2095901327ccf3b13a54ae5a91
SHA512

cfd02b4720f6d50cff3dbd5a25e0e10e9f7251d66cd00c13b202d52b87051597e5aae4de3f85f7bce45fb01924191f7464cdc24709cce6534b8626f3c2dc84d9
SSDEEP

768:ct8dldJN5LXcyXrCD1tDMByGqnXm3+AVWEvaLW:/dzcyXrC/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
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 1 IoCs

description	ioc	Process
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
1988	regedit.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2324	rundll32.exe
2324	rundll32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2868 wrote to memory of 2324	2868	rundll32.exe	28
PID 2868 wrote to memory of 2324	2868	rundll32.exe	28
PID 2868 wrote to memory of 2324	2868	rundll32.exe	28
PID 2868 wrote to memory of 2324	2868	rundll32.exe	28
PID 2868 wrote to memory of 2324	2868	rundll32.exe	28
PID 2868 wrote to memory of 2324	2868	rundll32.exe	28
PID 2868 wrote to memory of 2324	2868	rundll32.exe	28
PID 2324 wrote to memory of 1696	2324	rundll32.exe	29
PID 2324 wrote to memory of 1696	2324	rundll32.exe	29
PID 2324 wrote to memory of 1696	2324	rundll32.exe	29
PID 2324 wrote to memory of 1696	2324	rundll32.exe	29
PID 1696 wrote to memory of 1988	1696	cmd.exe	31
PID 1696 wrote to memory of 1988	1696	cmd.exe	31
PID 1696 wrote to memory of 1988	1696	cmd.exe	31
PID 1696 wrote to memory of 1988	1696	cmd.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fdeef5b2083eabd885ab7fd03e4dd8aa_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2868
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fdeef5b2083eabd885ab7fd03e4dd8aa_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2324
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\a.reg
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1696
  - - 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:1988

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

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

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