9858a04f24b6d7e8f3f7d1cba4539ca8212b90c0b2f2f3b94e8f99a9e1c4244e

Analysis

max time kernel
118s
max time network
124s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
16-12-2024 18:45

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

9858a04f24b6d7e8f3f7d1cba4539ca8212b90c0b2f2f3b94e8f99a9e1c4244eN.dll
Size

1.8MB
MD5

c1985e4179ef31d06a8ea3c05388b440
SHA1

3d8639385b3cd73e108c5e4d333489793fb8bfda
SHA256

9858a04f24b6d7e8f3f7d1cba4539ca8212b90c0b2f2f3b94e8f99a9e1c4244e
SHA512

fe766e2f975aa30995c7495c3f64b7ce5869cdee3df4e4d8aba53c09477d9324a14ed9e3a8005b563a2ecfcdc296d8e8ddd2960e4afbfd854944bd0d1c845174
SSDEEP

24576:o7IY7a9IRCRqRPkHQo411810cNScGKJydXTZDwmzRMo3DP7x5nbiQjBWI:oIY5RMHMf810Knor5zqo3zNJuQjBJ

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2872	rundll32mgr.exe

Loads dropped DLL 9 IoCs

pid	Process
2844	rundll32.exe
2844	rundll32.exe
2764	WerFault.exe
2764	WerFault.exe
2764	WerFault.exe
2764	WerFault.exe
2764	WerFault.exe
2764	WerFault.exe
2764	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
2764	2872	WerFault.exe	31
2912	2844	WerFault.exe	30

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 2204 wrote to memory of 2844	2204	rundll32.exe	30
PID 2204 wrote to memory of 2844	2204	rundll32.exe	30
PID 2204 wrote to memory of 2844	2204	rundll32.exe	30
PID 2204 wrote to memory of 2844	2204	rundll32.exe	30
PID 2204 wrote to memory of 2844	2204	rundll32.exe	30
PID 2204 wrote to memory of 2844	2204	rundll32.exe	30
PID 2204 wrote to memory of 2844	2204	rundll32.exe	30
PID 2844 wrote to memory of 2872	2844	rundll32.exe	31
PID 2844 wrote to memory of 2872	2844	rundll32.exe	31
PID 2844 wrote to memory of 2872	2844	rundll32.exe	31
PID 2844 wrote to memory of 2872	2844	rundll32.exe	31
PID 2844 wrote to memory of 2912	2844	rundll32.exe	32
PID 2844 wrote to memory of 2912	2844	rundll32.exe	32
PID 2844 wrote to memory of 2912	2844	rundll32.exe	32
PID 2844 wrote to memory of 2912	2844	rundll32.exe	32
PID 2872 wrote to memory of 2764	2872	rundll32mgr.exe	33
PID 2872 wrote to memory of 2764	2872	rundll32mgr.exe	33
PID 2872 wrote to memory of 2764	2872	rundll32mgr.exe	33
PID 2872 wrote to memory of 2764	2872	rundll32mgr.exe	33

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9858a04f24b6d7e8f3f7d1cba4539ca8212b90c0b2f2f3b94e8f99a9e1c4244eN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9858a04f24b6d7e8f3f7d1cba4539ca8212b90c0b2f2f3b94e8f99a9e1c4244eN.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2844
- - 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:2872
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2872 -s 100
      4⤵
      Loads dropped DLL
      Program crash
      PID:2764
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2844 -s 232
    3⤵
    - Program crash
    PID:2912

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

Loading Replay Monitor...

Downloads

\Windows\SysWOW64\rundll32mgr.exe

Filesize
60KB

MD5
94f2f6ffbba8e7644668b51b39983916

SHA1
63357bbdf90101969117983dbc0d4ed0e713c4d7

SHA256
ede7603855cb37082c241c720a6650988c684eb3bcb263e5dd7b457458940fed

SHA512
d04430ceac70c6fa71d07d9ee82ac2bb5e6c0641d5c9e7e5a3ed39d342e8b198f367676516a55f0653e0b88635a027b9ad220e223145b8be8df281bb6faf7156

Download Submit
memory/2844-3-0x0000000010000000-0x0000000010359000-memory.dmp

Filesize
3.3MB

Download
memory/2844-8-0x0000000010000000-0x0000000010359000-memory.dmp

Filesize
3.3MB

Download