39d1de6a1fb303175651fe8001f5aa358f26342d0c5a1f6a47fd929a01faca5c

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-01-2025 21:01

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General

Target

JaffaCakes118_11104cb4970494f5fc485a2839d97fe7.dll
Size

228KB
MD5

11104cb4970494f5fc485a2839d97fe7
SHA1

a5528a3fbe8eda0e527aa5e932481396ab4e6231
SHA256

39d1de6a1fb303175651fe8001f5aa358f26342d0c5a1f6a47fd929a01faca5c
SHA512

e9ef07ca5b4c653a35567521137dd06b1ed9a525e3c6dce6771c23dc15a80f2511e772f1b571cb4ce05329e637de73b263be90e60d4482df84b1f5618be2ff9d
SSDEEP

3072:wgKKuiX63bw5dNjDh8pWVgTlFIYnFFD6DOM2iU0BVRoO9:hKZp3KNjVGvFF+SM2inhoW

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3008	rundll32mgr.exe

Loads dropped DLL 9 IoCs

pid	Process
2952	rundll32.exe
2952	rundll32.exe
1924	WerFault.exe
1924	WerFault.exe
1924	WerFault.exe
1924	WerFault.exe
1924	WerFault.exe
1924	WerFault.exe
1924	WerFault.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32mgr.exe	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process
1924	3008	WerFault.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	rundll32mgr.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1768 wrote to memory of 2952	1768	rundll32.exe	31
PID 1768 wrote to memory of 2952	1768	rundll32.exe	31
PID 1768 wrote to memory of 2952	1768	rundll32.exe	31
PID 1768 wrote to memory of 2952	1768	rundll32.exe	31
PID 1768 wrote to memory of 2952	1768	rundll32.exe	31
PID 1768 wrote to memory of 2952	1768	rundll32.exe	31
PID 1768 wrote to memory of 2952	1768	rundll32.exe	31
PID 2952 wrote to memory of 3008	2952	rundll32.exe	32
PID 2952 wrote to memory of 3008	2952	rundll32.exe	32
PID 2952 wrote to memory of 3008	2952	rundll32.exe	32
PID 2952 wrote to memory of 3008	2952	rundll32.exe	32
PID 3008 wrote to memory of 1924	3008	rundll32mgr.exe	33
PID 3008 wrote to memory of 1924	3008	rundll32mgr.exe	33
PID 3008 wrote to memory of 1924	3008	rundll32mgr.exe	33
PID 3008 wrote to memory of 1924	3008	rundll32mgr.exe	33

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_11104cb4970494f5fc485a2839d97fe7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1768
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_11104cb4970494f5fc485a2839d97fe7.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2952
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3008
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3008 -s 100
      4⤵
      Loads dropped DLL
      Program crash
      PID:1924

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

Replay Monitor

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Downloads

\Windows\SysWOW64\rundll32mgr.exe

Filesize
112KB

MD5
8a04558595485ce4e50f94301ef76535

SHA1
6fbb5ead4c083e2257be8fbadc386bb4b1a874e9

SHA256
6d4b385cb816f26f78500326392dd5795857697aebc1678da82463c70b02b36b

SHA512
87dfa39743490a51090c81e38cc9393ee48a1b3b51bfe451f73b72db34a65ac9f08447cbbd9b5e05363474248eb961c5b579cc06bb2957101caf19860792cdd3

Download Submit
memory/2952-1-0x0000000010000000-0x000000001003B000-memory.dmp

Filesize
236KB

Download
memory/2952-9-0x0000000000430000-0x0000000000516000-memory.dmp

Filesize
920KB

Download
memory/2952-8-0x0000000010000000-0x000000001003B000-memory.dmp

Filesize
236KB

Download
memory/3008-11-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/3008-19-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download