46dc3fd59d5ddea1430ebc0f156920bf657e16e47ded79368c5b8985442b4ae8

Analysis

max time kernel
70s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-12-2024 01:41

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General

Target

46dc3fd59d5ddea1430ebc0f156920bf657e16e47ded79368c5b8985442b4ae8N.dll
Size

444KB
MD5

b4aeda6e33b22221e1fb077eae961960
SHA1

3db02fd2ef363f9344672ae7c4f5139a8c7eee36
SHA256

46dc3fd59d5ddea1430ebc0f156920bf657e16e47ded79368c5b8985442b4ae8
SHA512

373b1a5bdd6ac24b9d601de40c93b583a734c771576a6741519faba1f81b40f366b79a4389ad2cb73e4cf02b55b1e67709fa0f2a27caae26fc6f554d1ab3e618
SSDEEP

12288:iehnaNPpSVZmNxRCwnwm3W3OHIIf5amBUFCWi2:ieh0PpS6NxNnwYeOHX1UgH2

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2196	rundll32mgr.exe

Loads dropped DLL 9 IoCs

pid	Process
2140	rundll32.exe
2140	rundll32.exe
2868	WerFault.exe
2868	WerFault.exe
2868	WerFault.exe
2868	WerFault.exe
2868	WerFault.exe
2868	WerFault.exe
2868	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
2852	2140	WerFault.exe	31
2868	2196	WerFault.exe	32

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 1840 wrote to memory of 2140	1840	rundll32.exe	31
PID 1840 wrote to memory of 2140	1840	rundll32.exe	31
PID 1840 wrote to memory of 2140	1840	rundll32.exe	31
PID 1840 wrote to memory of 2140	1840	rundll32.exe	31
PID 1840 wrote to memory of 2140	1840	rundll32.exe	31
PID 1840 wrote to memory of 2140	1840	rundll32.exe	31
PID 1840 wrote to memory of 2140	1840	rundll32.exe	31
PID 2140 wrote to memory of 2196	2140	rundll32.exe	32
PID 2140 wrote to memory of 2196	2140	rundll32.exe	32
PID 2140 wrote to memory of 2196	2140	rundll32.exe	32
PID 2140 wrote to memory of 2196	2140	rundll32.exe	32
PID 2140 wrote to memory of 2852	2140	rundll32.exe	33
PID 2140 wrote to memory of 2852	2140	rundll32.exe	33
PID 2140 wrote to memory of 2852	2140	rundll32.exe	33
PID 2140 wrote to memory of 2852	2140	rundll32.exe	33
PID 2196 wrote to memory of 2868	2196	rundll32mgr.exe	34
PID 2196 wrote to memory of 2868	2196	rundll32mgr.exe	34
PID 2196 wrote to memory of 2868	2196	rundll32mgr.exe	34
PID 2196 wrote to memory of 2868	2196	rundll32mgr.exe	34

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\46dc3fd59d5ddea1430ebc0f156920bf657e16e47ded79368c5b8985442b4ae8N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1840
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\46dc3fd59d5ddea1430ebc0f156920bf657e16e47ded79368c5b8985442b4ae8N.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2140
- - 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:2196
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2196 -s 100
      4⤵
      Loads dropped DLL
      Program crash
      PID:2868
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2140 -s 224
    3⤵
    - Program crash
    PID:2852

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/2140-0-0x0000000010000000-0x0000000010071000-memory.dmp

Filesize
452KB

Download
memory/2140-2-0x0000000010000000-0x0000000010071000-memory.dmp

Filesize
452KB

Download
memory/2140-17-0x0000000010000000-0x0000000010071000-memory.dmp

Filesize
452KB

Download