5df767c4ef38ccdc6af9e966a8fbece709d9dc8d723117a3366a1f474a638acb

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
16-12-2024 16:48

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General

Target

5df767c4ef38ccdc6af9e966a8fbece709d9dc8d723117a3366a1f474a638acbN.dll
Size

4.7MB
MD5

d572497144a66fc491c301355038c940
SHA1

3d84b6d8c4982dc30648cd5358d55fa45b816870
SHA256

5df767c4ef38ccdc6af9e966a8fbece709d9dc8d723117a3366a1f474a638acb
SHA512

e870175a63547add563687919a036af135f3063db4a672fc67cbf92311a495d5bc13b9228c8c3b61d39f1c96c86db518037051d8a1df24215ec30c2c29310721
SSDEEP

98304:caTiZ7qe+aOKvp3QZ6/HbS9FugmTw3gvhiWaOuBuJ0Ato4z/uk/t:caTiZ7qfRmp3QZ6/+9Fu/v0AmWh1

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2204	rundll32mgr.exe

Loads dropped DLL 9 IoCs

pid	Process
2772	rundll32.exe
2772	rundll32.exe
2836	WerFault.exe
2836	WerFault.exe
2836	WerFault.exe
2836	WerFault.exe
2836	WerFault.exe
2836	WerFault.exe
2836	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	procid_target
2836	2204	WerFault.exe	31

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 2472 wrote to memory of 2772	2472	rundll32.exe	30
PID 2472 wrote to memory of 2772	2472	rundll32.exe	30
PID 2472 wrote to memory of 2772	2472	rundll32.exe	30
PID 2472 wrote to memory of 2772	2472	rundll32.exe	30
PID 2472 wrote to memory of 2772	2472	rundll32.exe	30
PID 2472 wrote to memory of 2772	2472	rundll32.exe	30
PID 2472 wrote to memory of 2772	2472	rundll32.exe	30
PID 2772 wrote to memory of 2204	2772	rundll32.exe	31
PID 2772 wrote to memory of 2204	2772	rundll32.exe	31
PID 2772 wrote to memory of 2204	2772	rundll32.exe	31
PID 2772 wrote to memory of 2204	2772	rundll32.exe	31
PID 2204 wrote to memory of 2836	2204	rundll32mgr.exe	32
PID 2204 wrote to memory of 2836	2204	rundll32mgr.exe	32
PID 2204 wrote to memory of 2836	2204	rundll32mgr.exe	32
PID 2204 wrote to memory of 2836	2204	rundll32mgr.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5df767c4ef38ccdc6af9e966a8fbece709d9dc8d723117a3366a1f474a638acbN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2472
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5df767c4ef38ccdc6af9e966a8fbece709d9dc8d723117a3366a1f474a638acbN.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2772
- - 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:2204
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2204 -s 100
      4⤵
      Loads dropped DLL
      Program crash
      PID:2836

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

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Downloads

\Windows\SysWOW64\rundll32mgr.exe

Filesize
60KB

MD5
3ac45bcb53d177c5c82da31058310e73

SHA1
6e8ac2a8b1f174041a8134c42ae28cd7dac2409c

SHA256
ba8e0f4e6ce24f96a873b5cbcf4bdc272c26b7c024d74c0f07256e7bbba62599

SHA512
8f2ec320694acdd88c09202aec938370ddc79c766ce1bf2fea12b5e8206827efca6ad9d5fb0e73de7b775f18026960182f90975763d69500ff7657befa8f8625

Download Submit
memory/2772-3-0x0000000006000000-0x00000000064C1000-memory.dmp

Filesize
4.8MB

Download
memory/2772-9-0x0000000006000000-0x00000000064C1000-memory.dmp

Filesize
4.8MB

Download