ea73e7d96b206ee79c74794b8d05e56cf2bce8b655f4cc1a70ea8817047f7b73

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-12-2024 06:17

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General

Target

ea73e7d96b206ee79c74794b8d05e56cf2bce8b655f4cc1a70ea8817047f7b73N.dll
Size

108KB
MD5

cffe57b4255fbedd58e4c18a79802d60
SHA1

3db418dd3cfceabf94fd709e976c3c8b75a26e40
SHA256

ea73e7d96b206ee79c74794b8d05e56cf2bce8b655f4cc1a70ea8817047f7b73
SHA512

85ba62484707e27f08df3ce2f63d8563999467d71b6f95017355044219ed6c48ae11c1113626b2be30172af03f771d5f093e2a1b147365dad9a4c9a35a7b8ab7
SSDEEP

3072:0D09MaWLOdfPQdYeW23376WrKMJg1oRuB1yFWgALVfZQg4JfM+tA:0aqOdHQnbKMJg1aAgUMfM+i

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2476	rundll32mgr.exe

Loads dropped DLL 9 IoCs

pid	Process
2300	rundll32.exe
2300	rundll32.exe
2348	WerFault.exe
2348	WerFault.exe
2348	WerFault.exe
2348	WerFault.exe
2348	WerFault.exe
2348	WerFault.exe
2348	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
2348	2476	WerFault.exe
2328	2300	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 19 IoCs

description	pid	Process	procid_target
PID 2096 wrote to memory of 2300	2096	rundll32.exe	31
PID 2096 wrote to memory of 2300	2096	rundll32.exe	31
PID 2096 wrote to memory of 2300	2096	rundll32.exe	31
PID 2096 wrote to memory of 2300	2096	rundll32.exe	31
PID 2096 wrote to memory of 2300	2096	rundll32.exe	31
PID 2096 wrote to memory of 2300	2096	rundll32.exe	31
PID 2096 wrote to memory of 2300	2096	rundll32.exe	31
PID 2300 wrote to memory of 2476	2300	rundll32.exe	32
PID 2300 wrote to memory of 2476	2300	rundll32.exe	32
PID 2300 wrote to memory of 2476	2300	rundll32.exe	32
PID 2300 wrote to memory of 2476	2300	rundll32.exe	32
PID 2300 wrote to memory of 2328	2300	rundll32.exe	33
PID 2300 wrote to memory of 2328	2300	rundll32.exe	33
PID 2300 wrote to memory of 2328	2300	rundll32.exe	33
PID 2300 wrote to memory of 2328	2300	rundll32.exe	33
PID 2476 wrote to memory of 2348	2476	rundll32mgr.exe	34
PID 2476 wrote to memory of 2348	2476	rundll32mgr.exe	34
PID 2476 wrote to memory of 2348	2476	rundll32mgr.exe	34
PID 2476 wrote to memory of 2348	2476	rundll32mgr.exe	34

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ea73e7d96b206ee79c74794b8d05e56cf2bce8b655f4cc1a70ea8817047f7b73N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2096
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ea73e7d96b206ee79c74794b8d05e56cf2bce8b655f4cc1a70ea8817047f7b73N.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2300
- - 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:2476
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2476 -s 100
      4⤵
      Loads dropped DLL
      Program crash
      PID:2348
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2300 -s 224
    3⤵
    - Program crash
    PID:2328

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/2300-1-0x000000006D240000-0x000000006D25B000-memory.dmp

Filesize
108KB

Download
memory/2300-16-0x000000006D240000-0x000000006D25B000-memory.dmp

Filesize
108KB

Download