0f044a74f450b79048d692c643cdeda89ba4b10838e51c61314bb0670c8d2077

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 20:03

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General

Target

0f044a74f450b79048d692c643cdeda89ba4b10838e51c61314bb0670c8d2077.dll
Size

1.7MB
MD5

d876caad3710f67598a244fd7d02d56e
SHA1

5e6a293020397d36a1d9286e1394d7dc95b07ba1
SHA256

0f044a74f450b79048d692c643cdeda89ba4b10838e51c61314bb0670c8d2077
SHA512

f9eebc06fcb4b5182a29d998cb9707e97bf7138ac95a455598b7a4c6d3a453a2bae40ec1e6acbc7090fa26c17276a3c775344bd2dd8abf7e3503375ffdcbef21
SSDEEP

24576:eXXG7YavHfjWlACnxpxTQURTFACjkmyLMcPtUOXtt1jFwGj:eX27lvLOhnhT5KKyMlg1FwGj

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2376	rundll32mgr.exe

Loads dropped DLL 9 IoCs

pid	Process
2232	rundll32.exe
2232	rundll32.exe
2780	WerFault.exe
2780	WerFault.exe
2780	WerFault.exe
2780	WerFault.exe
2780	WerFault.exe
2780	WerFault.exe
2780	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
2792	2232	WerFault.exe	30
2780	2376	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 2120 wrote to memory of 2232	2120	rundll32.exe	30
PID 2120 wrote to memory of 2232	2120	rundll32.exe	30
PID 2120 wrote to memory of 2232	2120	rundll32.exe	30
PID 2120 wrote to memory of 2232	2120	rundll32.exe	30
PID 2120 wrote to memory of 2232	2120	rundll32.exe	30
PID 2120 wrote to memory of 2232	2120	rundll32.exe	30
PID 2120 wrote to memory of 2232	2120	rundll32.exe	30
PID 2232 wrote to memory of 2376	2232	rundll32.exe	31
PID 2232 wrote to memory of 2376	2232	rundll32.exe	31
PID 2232 wrote to memory of 2376	2232	rundll32.exe	31
PID 2232 wrote to memory of 2376	2232	rundll32.exe	31
PID 2232 wrote to memory of 2792	2232	rundll32.exe	33
PID 2232 wrote to memory of 2792	2232	rundll32.exe	33
PID 2232 wrote to memory of 2792	2232	rundll32.exe	33
PID 2232 wrote to memory of 2792	2232	rundll32.exe	33
PID 2376 wrote to memory of 2780	2376	rundll32mgr.exe	32
PID 2376 wrote to memory of 2780	2376	rundll32mgr.exe	32
PID 2376 wrote to memory of 2780	2376	rundll32mgr.exe	32
PID 2376 wrote to memory of 2780	2376	rundll32mgr.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0f044a74f450b79048d692c643cdeda89ba4b10838e51c61314bb0670c8d2077.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2120
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0f044a74f450b79048d692c643cdeda89ba4b10838e51c61314bb0670c8d2077.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2232
- - 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:2376
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2376 -s 100
      4⤵
      Loads dropped DLL
      Program crash
      PID:2780
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2232 -s 224
    3⤵
    - Program crash
    PID:2792

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

C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
60KB

MD5
94f2f6ffbba8e7644668b51b39983916

SHA1
63357bbdf90101969117983dbc0d4ed0e713c4d7

SHA256
ede7603855cb37082c241c720a6650988c684eb3bcb263e5dd7b457458940fed

SHA512
d04430ceac70c6fa71d07d9ee82ac2bb5e6c0641d5c9e7e5a3ed39d342e8b198f367676516a55f0653e0b88635a027b9ad220e223145b8be8df281bb6faf7156

Download Submit
memory/2232-9-0x000000004B230000-0x000000004B3E6000-memory.dmp

Filesize
1.7MB

Download
memory/2232-8-0x000000004B230000-0x000000004B3E6000-memory.dmp

Filesize
1.7MB

Download