f282ef8cc13990f6473713a2fa5d7c52f76997047b4cf8e5a283f593c844859b

Analysis

max time kernel
94s
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 02:13

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General

Target

f282ef8cc13990f6473713a2fa5d7c52f76997047b4cf8e5a283f593c844859b.dll
Size

212KB
MD5

a9c29fdae85b6b1fee5ac89362ee18f5
SHA1

7c6bf73e1cd74a84ae225ffd95c29073b4cad80c
SHA256

f282ef8cc13990f6473713a2fa5d7c52f76997047b4cf8e5a283f593c844859b
SHA512

4ab43237b43934e8aef92f1602501e1738715fac8e98c7af4653f0ab30bf356f40f99b22d2e0a62ffe4fe5371e3d5d62ab1939ca54e5ab85008625212e99b579
SSDEEP

3072:YZ2hdMrfxwGT9y7ehRZUSerb5YpBN+5pC8JWLdOOKXR2lmc8uZm6mdP0w8uCoiMO:Y8hddGKYbN+u8JWLUOKXR2+6qcLN3

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2016	rundll32mgr.exe

Loads dropped DLL 9 IoCs

pid	Process
2348	rundll32.exe
2348	rundll32.exe
2072	WerFault.exe
2072	WerFault.exe
2072	WerFault.exe
2072	WerFault.exe
2072	WerFault.exe
2072	WerFault.exe
2072	WerFault.exe

Drops file in System32 directory 1 IoCs

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

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2072	2016	WerFault.exe	32
2492	2348	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 19 IoCs

description	pid	Process	procid_target
PID 2448 wrote to memory of 2348	2448	rundll32.exe	31
PID 2448 wrote to memory of 2348	2448	rundll32.exe	31
PID 2448 wrote to memory of 2348	2448	rundll32.exe	31
PID 2448 wrote to memory of 2348	2448	rundll32.exe	31
PID 2448 wrote to memory of 2348	2448	rundll32.exe	31
PID 2448 wrote to memory of 2348	2448	rundll32.exe	31
PID 2448 wrote to memory of 2348	2448	rundll32.exe	31
PID 2348 wrote to memory of 2016	2348	rundll32.exe	32
PID 2348 wrote to memory of 2016	2348	rundll32.exe	32
PID 2348 wrote to memory of 2016	2348	rundll32.exe	32
PID 2348 wrote to memory of 2016	2348	rundll32.exe	32
PID 2016 wrote to memory of 2072	2016	rundll32mgr.exe	33
PID 2016 wrote to memory of 2072	2016	rundll32mgr.exe	33
PID 2016 wrote to memory of 2072	2016	rundll32mgr.exe	33
PID 2016 wrote to memory of 2072	2016	rundll32mgr.exe	33
PID 2348 wrote to memory of 2492	2348	rundll32.exe	34
PID 2348 wrote to memory of 2492	2348	rundll32.exe	34
PID 2348 wrote to memory of 2492	2348	rundll32.exe	34
PID 2348 wrote to memory of 2492	2348	rundll32.exe	34

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f282ef8cc13990f6473713a2fa5d7c52f76997047b4cf8e5a283f593c844859b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2448
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f282ef8cc13990f6473713a2fa5d7c52f76997047b4cf8e5a283f593c844859b.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2348
- - 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:2016
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2016 -s 100
      4⤵
      Loads dropped DLL
      Program crash
      PID:2072
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2348 -s 224
    3⤵
    - Program crash
    PID:2492

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
94f2f6ffbba8e7644668b51b39983916

SHA1
63357bbdf90101969117983dbc0d4ed0e713c4d7

SHA256
ede7603855cb37082c241c720a6650988c684eb3bcb263e5dd7b457458940fed

SHA512
d04430ceac70c6fa71d07d9ee82ac2bb5e6c0641d5c9e7e5a3ed39d342e8b198f367676516a55f0653e0b88635a027b9ad220e223145b8be8df281bb6faf7156

Download Submit
memory/2348-8-0x0000000074A40000-0x0000000074A78000-memory.dmp

Filesize
224KB

Download
memory/2348-9-0x0000000074A00000-0x0000000074A38000-memory.dmp

Filesize
224KB

Download
memory/2348-10-0x0000000074A40000-0x0000000074A78000-memory.dmp

Filesize
224KB

Download