8156de8871331cdd39d70e91a16d8e545aa9621d91feeae51663343d15f26a8e

Analysis

max time kernel
115s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-12-2024 11:01

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General

Target

8156de8871331cdd39d70e91a16d8e545aa9621d91feeae51663343d15f26a8eN.exe
Size

610KB
MD5

a58157fd2056ad97805685018c4d7380
SHA1

2b5fe03f6fb1a167c1e46644b3620a8420b1b951
SHA256

8156de8871331cdd39d70e91a16d8e545aa9621d91feeae51663343d15f26a8e
SHA512

a44a2ca2af35ab783d41243783df8c468ee4314bca6c1377b043ff27717fc2880330eb6ad052a799e27a1dc60a9b2fca51f366bf72161275b2495bd41dbde2f2
SSDEEP

12288:iATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+E:cT+KjUdQqboyyWoK1NGqzuhZ

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
1168	2964	WerFault.exe	95
1716	4780	WerFault.exe	83

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	8156de8871331cdd39d70e91a16d8e545aa9621d91feeae51663343d15f26a8eN.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	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2964	winver.exe
4780	8156de8871331cdd39d70e91a16d8e545aa9621d91feeae51663343d15f26a8eN.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4780 wrote to memory of 2964	4780	8156de8871331cdd39d70e91a16d8e545aa9621d91feeae51663343d15f26a8eN.exe	95
PID 4780 wrote to memory of 2964	4780	8156de8871331cdd39d70e91a16d8e545aa9621d91feeae51663343d15f26a8eN.exe	95
PID 4780 wrote to memory of 2964	4780	8156de8871331cdd39d70e91a16d8e545aa9621d91feeae51663343d15f26a8eN.exe	95
PID 4780 wrote to memory of 2964	4780	8156de8871331cdd39d70e91a16d8e545aa9621d91feeae51663343d15f26a8eN.exe	95
PID 2964 wrote to memory of 3436	2964	winver.exe	56
PID 4780 wrote to memory of 3436	4780	8156de8871331cdd39d70e91a16d8e545aa9621d91feeae51663343d15f26a8eN.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3436
- C:\Users\Admin\AppData\Local\Temp\8156de8871331cdd39d70e91a16d8e545aa9621d91feeae51663343d15f26a8eN.exe
  "C:\Users\Admin\AppData\Local\Temp\8156de8871331cdd39d70e91a16d8e545aa9621d91feeae51663343d15f26a8eN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4780
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2964
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2964 -s 300
      4⤵
      Program crash
      PID:1168
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4780 -s 864
    3⤵
    - Program crash
    PID:1716

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:1684

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 2964 -ip 2964
1⤵
PID:372

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 4780 -ip 4780
1⤵
PID:2328

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

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Downloads

memory/3436-5-0x00000000008A0000-0x00000000008A6000-memory.dmp

Filesize
24KB

Download
memory/3436-6-0x00000000008A0000-0x00000000008A6000-memory.dmp

Filesize
24KB

Download
memory/3436-10-0x00000000008E0000-0x00000000008E6000-memory.dmp

Filesize
24KB

Download
memory/4780-1-0x0000000004630000-0x0000000004C88000-memory.dmp

Filesize
6.3MB

Download
memory/4780-2-0x0000000003D00000-0x0000000003D01000-memory.dmp

Filesize
4KB

Download
memory/4780-3-0x0000000004630000-0x0000000004C88000-memory.dmp

Filesize
6.3MB

Download
memory/4780-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4780-13-0x0000000004630000-0x0000000004C88000-memory.dmp

Filesize
6.3MB

Download