31d3f9e072bc52beb3b7c5f936c7e4de25660c6d3433e7812667ca4ca9393fad

Analysis

max time kernel
145s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-01-2025 13:21

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General

Target

31d3f9e072bc52beb3b7c5f936c7e4de25660c6d3433e7812667ca4ca9393fad.exe
Size

225KB
MD5

49d77b0e16d4889c9869d18a4694d2e0
SHA1

71a1b7b0a8fa51924d468a2af7df02e0fa315705
SHA256

31d3f9e072bc52beb3b7c5f936c7e4de25660c6d3433e7812667ca4ca9393fad
SHA512

7e74e532d316cd21539dfa57cd31c894c612a4f43d36cef6cfb7eb2f1f0104cf0c3e3b6cdbeae8582920f04a013104119bfbc32bb52641aecce1971dcef3b495
SSDEEP

6144:dA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:dATuTAnKGwUAW3ycQqg3

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
3448	1040	WerFault.exe	103
1588	5016	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	31d3f9e072bc52beb3b7c5f936c7e4de25660c6d3433e7812667ca4ca9393fad.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	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1040	winver.exe
5016	31d3f9e072bc52beb3b7c5f936c7e4de25660c6d3433e7812667ca4ca9393fad.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5016 wrote to memory of 1040	5016	31d3f9e072bc52beb3b7c5f936c7e4de25660c6d3433e7812667ca4ca9393fad.exe	103
PID 5016 wrote to memory of 1040	5016	31d3f9e072bc52beb3b7c5f936c7e4de25660c6d3433e7812667ca4ca9393fad.exe	103
PID 5016 wrote to memory of 1040	5016	31d3f9e072bc52beb3b7c5f936c7e4de25660c6d3433e7812667ca4ca9393fad.exe	103
PID 5016 wrote to memory of 1040	5016	31d3f9e072bc52beb3b7c5f936c7e4de25660c6d3433e7812667ca4ca9393fad.exe	103
PID 1040 wrote to memory of 3432	1040	winver.exe	56
PID 5016 wrote to memory of 3432	5016	31d3f9e072bc52beb3b7c5f936c7e4de25660c6d3433e7812667ca4ca9393fad.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3432
- C:\Users\Admin\AppData\Local\Temp\31d3f9e072bc52beb3b7c5f936c7e4de25660c6d3433e7812667ca4ca9393fad.exe
  "C:\Users\Admin\AppData\Local\Temp\31d3f9e072bc52beb3b7c5f936c7e4de25660c6d3433e7812667ca4ca9393fad.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:5016
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:1040
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1040 -s 300
      4⤵
      Program crash
      PID:3448
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5016 -s 804
    3⤵
    - Program crash
    PID:1588

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:4088

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1040 -ip 1040
1⤵
PID:2776

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 5016 -ip 5016
1⤵
PID:5100

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/3432-4-0x0000000000E00000-0x0000000000E06000-memory.dmp

Filesize
24KB

Download
memory/3432-5-0x0000000000E00000-0x0000000000E06000-memory.dmp

Filesize
24KB

Download
memory/3432-9-0x0000000000E90000-0x0000000000E96000-memory.dmp

Filesize
24KB

Download
memory/5016-1-0x0000000004600000-0x0000000004C58000-memory.dmp

Filesize
6.3MB

Download
memory/5016-2-0x0000000003DC0000-0x0000000003DC1000-memory.dmp

Filesize
4KB

Download
memory/5016-6-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/5016-12-0x0000000004600000-0x0000000004C58000-memory.dmp

Filesize
6.3MB

Download