8938773c86a04cbde054df67c684e28b18f38f9f5820557c99ea509dc442afe2

Analysis

max time kernel
109s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-12-2024 20:05

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General

Target

8938773c86a04cbde054df67c684e28b18f38f9f5820557c99ea509dc442afe2.exe
Size

225KB
MD5

e86df354173d4cb5fb2665ed6d602c69
SHA1

ea50c0586c959ecf75ae35c3261b5f326e27927e
SHA256

8938773c86a04cbde054df67c684e28b18f38f9f5820557c99ea509dc442afe2
SHA512

4a5990ec82707871d171712e83124e6b7dd513f5469d08b5c85859ddf3658ad4ead9432a3d23bc3b2f4ea15cccad666b870a9b578dd1fe905a024fb9ea90c8d7
SSDEEP

6144:+A2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpY0:+ATuTAnKGwUAW3ycQqg1

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
5024	4236	WerFault.exe	102
2152	1636	WerFault.exe	82

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	8938773c86a04cbde054df67c684e28b18f38f9f5820557c99ea509dc442afe2.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	3568	Explorer.EXE
Token: SeCreatePagefilePrivilege	3568	Explorer.EXE
Token: SeShutdownPrivilege	3568	Explorer.EXE
Token: SeCreatePagefilePrivilege	3568	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4236	winver.exe
1636	8938773c86a04cbde054df67c684e28b18f38f9f5820557c99ea509dc442afe2.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1636 wrote to memory of 4236	1636	8938773c86a04cbde054df67c684e28b18f38f9f5820557c99ea509dc442afe2.exe	102
PID 1636 wrote to memory of 4236	1636	8938773c86a04cbde054df67c684e28b18f38f9f5820557c99ea509dc442afe2.exe	102
PID 1636 wrote to memory of 4236	1636	8938773c86a04cbde054df67c684e28b18f38f9f5820557c99ea509dc442afe2.exe	102
PID 1636 wrote to memory of 4236	1636	8938773c86a04cbde054df67c684e28b18f38f9f5820557c99ea509dc442afe2.exe	102
PID 4236 wrote to memory of 3568	4236	winver.exe	56
PID 1636 wrote to memory of 3568	1636	8938773c86a04cbde054df67c684e28b18f38f9f5820557c99ea509dc442afe2.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3568
- C:\Users\Admin\AppData\Local\Temp\8938773c86a04cbde054df67c684e28b18f38f9f5820557c99ea509dc442afe2.exe
  "C:\Users\Admin\AppData\Local\Temp\8938773c86a04cbde054df67c684e28b18f38f9f5820557c99ea509dc442afe2.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1636
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4236
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4236 -s 300
      4⤵
      Program crash
      PID:5024
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1636 -s 864
    3⤵
    - Program crash
    PID:2152

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:2292

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4236 -ip 4236
1⤵
PID:3260

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1636 -ip 1636
1⤵
PID:4684

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/1636-1-0x00000000046D0000-0x0000000004D28000-memory.dmp

Filesize
6.3MB

Download
memory/1636-2-0x0000000003C80000-0x0000000003C81000-memory.dmp

Filesize
4KB

Download
memory/1636-3-0x00000000046D0000-0x0000000004D28000-memory.dmp

Filesize
6.3MB

Download
memory/1636-4-0x0000000003C80000-0x0000000003C81000-memory.dmp

Filesize
4KB

Download
memory/1636-5-0x0000000003C80000-0x0000000003C81000-memory.dmp

Filesize
4KB

Download
memory/1636-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1636-16-0x00000000046D0000-0x0000000004D28000-memory.dmp

Filesize
6.3MB

Download
memory/3568-7-0x00000000029F0000-0x00000000029F6000-memory.dmp

Filesize
24KB

Download
memory/3568-8-0x00000000029F0000-0x00000000029F6000-memory.dmp

Filesize
24KB

Download
memory/3568-13-0x0000000002A00000-0x0000000002A06000-memory.dmp

Filesize
24KB

Download