841b390604b801c76f1d81a78fd1f02030fe1b834f3dc343e28d8be31fad1fc8

Analysis

max time kernel
145s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
24/12/2023, 04:46

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General

Target

841b390604b801c76f1d81a78fd1f02030fe1b834f3dc343e28d8be31fad1fc8.exe
Size

2.8MB
MD5

669abcc7cd8ce0c791cac93aac2ca212
SHA1

6deb9e77b0a015ba23f955beec0e169a3c14be6e
SHA256

841b390604b801c76f1d81a78fd1f02030fe1b834f3dc343e28d8be31fad1fc8
SHA512

b33bff04eb1e7ee1a38ed7427a9d9efffeae2fa1b8e007792edb944c262f0ebb9663c88eef325f821f8d0a4f467a64cdcbf7ecb206e47f69cfb99c781fca2d0d
SSDEEP

49152:JF7JcCVDIkS6fIXJCk8sDUHjWNmCmnn24DtM5m0oApal7A:j0hA7FDtM5loAYl7A

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3724	MediaUpdate.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4648	841b390604b801c76f1d81a78fd1f02030fe1b834f3dc343e28d8be31fad1fc8.exe
3724	MediaUpdate.exe

C:\Users\Admin\AppData\Local\Temp\841b390604b801c76f1d81a78fd1f02030fe1b834f3dc343e28d8be31fad1fc8.exe
"C:\Users\Admin\AppData\Local\Temp\841b390604b801c76f1d81a78fd1f02030fe1b834f3dc343e28d8be31fad1fc8.exe"
1⤵
- Suspicious use of SetWindowsHookEx
PID:4648
- C:\Windows\system32\WerFault.exe
  \??\C:\Windows\system32\WerFault.exe
  2⤵
  PID:4952
- C:\Users\Admin\AppData\Local\MediaUpdate.exe
  \??\C:\Users\Admin\AppData\Local\MediaUpdate.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:3724
- - C:\Windows\system32\WerFault.exe
    \??\C:\Windows\system32\WerFault.exe
    3⤵
    PID:1884

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\MediaUpdate.exe

Filesize
464KB

MD5
c6441fd6aef962204754bd82f782fcbf

SHA1
e610fc93d181b3bba65e4f9a75ed03ef2471912f

SHA256
ef23bd86d64579bfbf5aa4919241b13b15b12353f53ef77f08935cb551a376e1

SHA512
2fd327d7c9b4ff08816989b78865d8e23fd59c182cc392f41c8c56323a4f945c964d808c1e7f1bb0c248e4a447ee48fac0941aacfa42ceae818d71f05ad5d230

Download Submit
memory/3724-7-0x00007FF8E3BF0000-0x00007FF8E3DE5000-memory.dmp

Filesize
2.0MB

Download
memory/3724-8-0x00007FF8E3BF0000-0x00007FF8E3DE5000-memory.dmp

Filesize
2.0MB

Download
memory/3724-6-0x00007FF8E3BF0000-0x00007FF8E3DE5000-memory.dmp

Filesize
2.0MB

Download
memory/3724-10-0x00007FF8E3BF0000-0x00007FF8E3DE5000-memory.dmp

Filesize
2.0MB

Download
memory/4648-0-0x00007FF8E3BF0000-0x00007FF8E3DE5000-memory.dmp

Filesize
2.0MB

Download
memory/4648-2-0x00007FF8E3BF0000-0x00007FF8E3DE5000-memory.dmp

Filesize
2.0MB

Download
memory/4648-1-0x00007FF8E3BF0000-0x00007FF8E3DE5000-memory.dmp

Filesize
2.0MB

Download
memory/4648-9-0x00007FF8E3BF0000-0x00007FF8E3DE5000-memory.dmp

Filesize
2.0MB

Download