6da0f2ec78f06dae6a05d8b9f11542247fc53ffef68c74b7b835f3a9e16cb4b5

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01/10/2024, 18:30

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General

Target

06e98e65983664ecbdf203ec177dc52c_JaffaCakes118.dll
Size

44KB
MD5

06e98e65983664ecbdf203ec177dc52c
SHA1

35008b2ef93c40b5ce96c7769eb937f0fae6af35
SHA256

6da0f2ec78f06dae6a05d8b9f11542247fc53ffef68c74b7b835f3a9e16cb4b5
SHA512

44526ee591d31f89eed932dc873af50f16e8e4b45d729a2b6f54def5766694e6fa98099be14aba9ac08cbc149b1934245472bb3440223ec75b44d222973ee772
SSDEEP

768:nUR3Dwot8/wDvwkcGe0rzzCGRmZo4oD4W6lQnxGkO:eDwGKwUhGvzCGRJxGkO

Score

5^/10

discovery

Malware Config

Signatures

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\dllcache\msimg32.dll	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2312	2680	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 5 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	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe

Kills process with taskkill 2 IoCs

evasion

pid	Process
2512	taskkill.exe
2988	taskkill.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2680	rundll32.exe
2680	rundll32.exe
2680	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2512	taskkill.exe
Token: SeDebugPrivilege	2988	taskkill.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 1152 wrote to memory of 2680	1152	rundll32.exe	30
PID 1152 wrote to memory of 2680	1152	rundll32.exe	30
PID 1152 wrote to memory of 2680	1152	rundll32.exe	30
PID 1152 wrote to memory of 2680	1152	rundll32.exe	30
PID 1152 wrote to memory of 2680	1152	rundll32.exe	30
PID 1152 wrote to memory of 2680	1152	rundll32.exe	30
PID 1152 wrote to memory of 2680	1152	rundll32.exe	30
PID 2680 wrote to memory of 1308	2680	rundll32.exe	31
PID 2680 wrote to memory of 1308	2680	rundll32.exe	31
PID 2680 wrote to memory of 1308	2680	rundll32.exe	31
PID 2680 wrote to memory of 1308	2680	rundll32.exe	31
PID 1308 wrote to memory of 2512	1308	cmd.exe	33
PID 1308 wrote to memory of 2512	1308	cmd.exe	33
PID 1308 wrote to memory of 2512	1308	cmd.exe	33
PID 1308 wrote to memory of 2512	1308	cmd.exe	33
PID 2680 wrote to memory of 2312	2680	rundll32.exe	35
PID 2680 wrote to memory of 2312	2680	rundll32.exe	35
PID 2680 wrote to memory of 2312	2680	rundll32.exe	35
PID 2680 wrote to memory of 2312	2680	rundll32.exe	35
PID 2680 wrote to memory of 2816	2680	rundll32.exe	37
PID 2680 wrote to memory of 2816	2680	rundll32.exe	37
PID 2680 wrote to memory of 2816	2680	rundll32.exe	37
PID 2680 wrote to memory of 2816	2680	rundll32.exe	37
PID 2816 wrote to memory of 2988	2816	cmd.exe	39
PID 2816 wrote to memory of 2988	2816	cmd.exe	39
PID 2816 wrote to memory of 2988	2816	cmd.exe	39
PID 2816 wrote to memory of 2988	2816	cmd.exe	39

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\06e98e65983664ecbdf203ec177dc52c_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1152
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\06e98e65983664ecbdf203ec177dc52c_JaffaCakes118.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2680
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c taskkill /f /im QQhxgame.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1308
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /f /im QQhxgame.exe
      4⤵
      System Location Discovery: System Language Discovery
      Kills process with taskkill
      Suspicious use of AdjustPrivilegeToken
      PID:2512
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2680 -s 276
    3⤵
    - Program crash
    PID:2312
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c taskkill /f /im QQhxgame.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2816
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /f /im QQhxgame.exe
      4⤵
      System Location Discovery: System Language Discovery
      Kills process with taskkill
      Suspicious use of AdjustPrivilegeToken
      PID:2988

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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