67c11366e5c766a0a0c982af560bdf3c42b175df952cfd256737dd938e744fa5

Analysis

max time kernel
90s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2024 20:02

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

67c11366e5c766a0a0c982af560bdf3c42b175df952cfd256737dd938e744fa5.dll
Size

100KB
MD5

9f0e079743711361782f891841b73a17
SHA1

9963f7c63bfff17686bc1ec3c0c6c3607e7b2e18
SHA256

67c11366e5c766a0a0c982af560bdf3c42b175df952cfd256737dd938e744fa5
SHA512

fc1412d16d67cac3ed2db6f85d5f49036b62596f1c5d812e28058df238374ba49fe0f96db2b08bca298615f749c6f779e8e0253e1d83f35a83c2f12b8c7779f3
SSDEEP

1536:rNP0+uTEX7OpopI4iWb50WZgePYrEzt0GE/AiSTSDIqGU2Uo:x8+tYopj1N0WZVYrXdgso

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1968	rundll32Srv.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32Srv.exe	rundll32.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4372	2420	WerFault.exe	83
3592	1968	WerFault.exe	84

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	rundll32Srv.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3580 wrote to memory of 2420	3580	rundll32.exe	83
PID 3580 wrote to memory of 2420	3580	rundll32.exe	83
PID 3580 wrote to memory of 2420	3580	rundll32.exe	83
PID 2420 wrote to memory of 1968	2420	rundll32.exe	84
PID 2420 wrote to memory of 1968	2420	rundll32.exe	84
PID 2420 wrote to memory of 1968	2420	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\67c11366e5c766a0a0c982af560bdf3c42b175df952cfd256737dd938e744fa5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3580
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\67c11366e5c766a0a0c982af560bdf3c42b175df952cfd256737dd938e744fa5.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2420
- - C:\Windows\SysWOW64\rundll32Srv.exe
    C:\Windows\SysWOW64\rundll32Srv.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1968
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1968 -s 364
      4⤵
      Program crash
      PID:3592
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2420 -s 608
    3⤵
    - Program crash
    PID:4372

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1968 -ip 1968
1⤵
PID:1612

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2420 -ip 2420
1⤵
PID:4912

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

C:\Windows\SysWOW64\rundll32Srv.exe

Filesize
59KB

MD5
54960c2df820f374ee1216a88a5750cd

SHA1
625417a11188c591c20837d0acea1f993f33e01a

SHA256
fd45f7c47b029a6f0a94ddd71135fe817f90ce7a231ce329ca47b648292b6cbc

SHA512
bbc05eb7872f4f7c3343f47bbda890b28ea6a51dc413fcc959ca515894ad3fdbbd893c4c0959acd1f8eaf479209e98d4641d318890758b7ebe7349c4c3757836

Download Submit
memory/1968-4-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1968-6-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2420-1-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2420-7-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download