ec43e2f9071724373229b2bdec42d91d7f9e53909fe54e810ec822d47d1ccda8

Analysis

max time kernel
16s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-01-2025 14:06

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General

Target

ec43e2f9071724373229b2bdec42d91d7f9e53909fe54e810ec822d47d1ccda8N.dll
Size

212KB
MD5

07eb5e273195eb531a5cb08156bbc8a0
SHA1

3df46bea258d5334b2e89d3b8c16da7308206ceb
SHA256

ec43e2f9071724373229b2bdec42d91d7f9e53909fe54e810ec822d47d1ccda8
SHA512

c29e54fb6c399db516c604a7ca61d000652935af37beaeb68b094168cbf2963ccebb664b4b4f7301976d101344f2497dc8f3839d3d77d269ec6ad742928b6b5e
SSDEEP

3072:YZ2hdMrfxwGT9y7ehRZUSerb5YpBN+5pC8JWLdOOKXR2lmc8uZm6mdP0w8uCoiMa:Y8hddGKYbN+u8JWLUOKXR2+6qcLNl

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2548	rundll32mgr.exe

Loads dropped DLL 9 IoCs

pid	Process
2088	rundll32.exe
2088	rundll32.exe
3028	WerFault.exe
3028	WerFault.exe
3028	WerFault.exe
3028	WerFault.exe
3028	WerFault.exe
3028	WerFault.exe
3028	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
3028	2548	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	rundll32mgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2444 wrote to memory of 2088	2444	rundll32.exe	30
PID 2444 wrote to memory of 2088	2444	rundll32.exe	30
PID 2444 wrote to memory of 2088	2444	rundll32.exe	30
PID 2444 wrote to memory of 2088	2444	rundll32.exe	30
PID 2444 wrote to memory of 2088	2444	rundll32.exe	30
PID 2444 wrote to memory of 2088	2444	rundll32.exe	30
PID 2444 wrote to memory of 2088	2444	rundll32.exe	30
PID 2088 wrote to memory of 2548	2088	rundll32.exe	31
PID 2088 wrote to memory of 2548	2088	rundll32.exe	31
PID 2088 wrote to memory of 2548	2088	rundll32.exe	31
PID 2088 wrote to memory of 2548	2088	rundll32.exe	31
PID 2548 wrote to memory of 3028	2548	rundll32mgr.exe	32
PID 2548 wrote to memory of 3028	2548	rundll32mgr.exe	32
PID 2548 wrote to memory of 3028	2548	rundll32mgr.exe	32
PID 2548 wrote to memory of 3028	2548	rundll32mgr.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ec43e2f9071724373229b2bdec42d91d7f9e53909fe54e810ec822d47d1ccda8N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2444
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ec43e2f9071724373229b2bdec42d91d7f9e53909fe54e810ec822d47d1ccda8N.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2088
- - 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:2548
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2548 -s 100
      4⤵
      Loads dropped DLL
      Program crash
      PID:3028

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

C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
60KB

MD5
94f2f6ffbba8e7644668b51b39983916

SHA1
63357bbdf90101969117983dbc0d4ed0e713c4d7

SHA256
ede7603855cb37082c241c720a6650988c684eb3bcb263e5dd7b457458940fed

SHA512
d04430ceac70c6fa71d07d9ee82ac2bb5e6c0641d5c9e7e5a3ed39d342e8b198f367676516a55f0653e0b88635a027b9ad220e223145b8be8df281bb6faf7156

Download Submit
memory/2088-4-0x0000000074FD0000-0x0000000075008000-memory.dmp

Filesize
224KB

Download
memory/2088-3-0x0000000075010000-0x0000000075048000-memory.dmp

Filesize
224KB

Download
memory/2088-1-0x0000000074FC0000-0x0000000074FF8000-memory.dmp

Filesize
224KB

Download
memory/2088-0-0x0000000075010000-0x0000000075048000-memory.dmp

Filesize
224KB

Download
memory/2088-12-0x0000000075010000-0x0000000075023000-memory.dmp

Filesize
76KB

Download