8fb2a5f4f90fa87cc1642ba6cf3b7af8ab0ccc16745f85796e0523ad93e6dd2e

Analysis

max time kernel
118s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16/01/2025, 08:41

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General

Target

8fb2a5f4f90fa87cc1642ba6cf3b7af8ab0ccc16745f85796e0523ad93e6dd2e.exe
Size

225KB
MD5

c70bd7ce7254511d31b802e677bc1022
SHA1

1e1d4429e57b85f7210bb2bab8dedcb6cfcd1ca9
SHA256

8fb2a5f4f90fa87cc1642ba6cf3b7af8ab0ccc16745f85796e0523ad93e6dd2e
SHA512

42c22a328260b714457a637ec4724cfca5900db3a4c5b0d2d5a4dc0a837333ea58c946e69c4b42c85d82b3d0f601b9a5d10ef63726e3114db48ac51679e323e6
SSDEEP

6144:pA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpY0:pATuTAnKGwUAW3ycQqg9

Score

3^/10

discovery

Malware Config

Signatures

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3988	1776	WerFault.exe	104
2404	1360	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	8fb2a5f4f90fa87cc1642ba6cf3b7af8ab0ccc16745f85796e0523ad93e6dd2e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@%SystemRoot%\system32\hnetcfgclient.dll,-201 = "HNetCfg Client"	svchost.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1776	winver.exe
1360	8fb2a5f4f90fa87cc1642ba6cf3b7af8ab0ccc16745f85796e0523ad93e6dd2e.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1360 wrote to memory of 1776	1360	8fb2a5f4f90fa87cc1642ba6cf3b7af8ab0ccc16745f85796e0523ad93e6dd2e.exe	104
PID 1360 wrote to memory of 1776	1360	8fb2a5f4f90fa87cc1642ba6cf3b7af8ab0ccc16745f85796e0523ad93e6dd2e.exe	104
PID 1360 wrote to memory of 1776	1360	8fb2a5f4f90fa87cc1642ba6cf3b7af8ab0ccc16745f85796e0523ad93e6dd2e.exe	104
PID 1360 wrote to memory of 1776	1360	8fb2a5f4f90fa87cc1642ba6cf3b7af8ab0ccc16745f85796e0523ad93e6dd2e.exe	104
PID 1776 wrote to memory of 3456	1776	winver.exe	56
PID 1360 wrote to memory of 3456	1360	8fb2a5f4f90fa87cc1642ba6cf3b7af8ab0ccc16745f85796e0523ad93e6dd2e.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3456
- C:\Users\Admin\AppData\Local\Temp\8fb2a5f4f90fa87cc1642ba6cf3b7af8ab0ccc16745f85796e0523ad93e6dd2e.exe
  "C:\Users\Admin\AppData\Local\Temp\8fb2a5f4f90fa87cc1642ba6cf3b7af8ab0ccc16745f85796e0523ad93e6dd2e.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1360
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:1776
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1776 -s 300
      4⤵
      Program crash
      PID:3988
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1360 -s 864
    3⤵
    - Program crash
    PID:2404

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:2496

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1776 -ip 1776
1⤵
PID:3032

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 1360 -ip 1360
1⤵
PID:5056

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1360-1-0x0000000004660000-0x0000000004CB8000-memory.dmp

Filesize
6.3MB

Download
memory/1360-2-0x00000000024F0000-0x00000000024F1000-memory.dmp

Filesize
4KB

Download
memory/1360-3-0x0000000004660000-0x0000000004CB8000-memory.dmp

Filesize
6.3MB

Download
memory/1360-4-0x00000000024F0000-0x00000000024F1000-memory.dmp

Filesize
4KB

Download
memory/1360-5-0x00000000024F0000-0x00000000024F1000-memory.dmp

Filesize
4KB

Download
memory/1360-6-0x00000000024F0000-0x00000000024F1000-memory.dmp

Filesize
4KB

Download
memory/1360-7-0x00000000024F0000-0x00000000024F1000-memory.dmp

Filesize
4KB

Download
memory/1360-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1360-18-0x0000000004660000-0x0000000004CB8000-memory.dmp

Filesize
6.3MB

Download
memory/3456-9-0x0000000000AB0000-0x0000000000AB6000-memory.dmp

Filesize
24KB

Download
memory/3456-10-0x0000000000AB0000-0x0000000000AB6000-memory.dmp

Filesize
24KB

Download
memory/3456-15-0x0000000000AC0000-0x0000000000AC6000-memory.dmp

Filesize
24KB

Download