37118c0d61c1b356ee6d3b7f072b27ad9b01ba4b58c00d8c87d8d93d812135bf

Analysis

max time kernel
106s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2024 09:32

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General

Target

37118c0d61c1b356ee6d3b7f072b27ad9b01ba4b58c00d8c87d8d93d812135bfN.exe
Size

225KB
MD5

da526f29d3d9d9ab1bf074a702b79df0
SHA1

b478544932e414185e54d761c998e758511613de
SHA256

37118c0d61c1b356ee6d3b7f072b27ad9b01ba4b58c00d8c87d8d93d812135bf
SHA512

1a930a878c85b10e5c191db3126cf5021d505f8110b2ee9c11225136a036ff2be707e563b4754b0b79c2f22386eb4d4cc74c563de014d72f2409e05c2f1148f4
SSDEEP

6144:zA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:zATuTAnKGwUAW3ycQqgf

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
1780	2708	WerFault.exe	103
4572	4432	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	37118c0d61c1b356ee6d3b7f072b27ad9b01ba4b58c00d8c87d8d93d812135bfN.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	3556	Explorer.EXE
Token: SeCreatePagefilePrivilege	3556	Explorer.EXE
Token: SeShutdownPrivilege	3556	Explorer.EXE
Token: SeCreatePagefilePrivilege	3556	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2708	winver.exe
4432	37118c0d61c1b356ee6d3b7f072b27ad9b01ba4b58c00d8c87d8d93d812135bfN.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4432 wrote to memory of 2708	4432	37118c0d61c1b356ee6d3b7f072b27ad9b01ba4b58c00d8c87d8d93d812135bfN.exe	103
PID 4432 wrote to memory of 2708	4432	37118c0d61c1b356ee6d3b7f072b27ad9b01ba4b58c00d8c87d8d93d812135bfN.exe	103
PID 4432 wrote to memory of 2708	4432	37118c0d61c1b356ee6d3b7f072b27ad9b01ba4b58c00d8c87d8d93d812135bfN.exe	103
PID 4432 wrote to memory of 2708	4432	37118c0d61c1b356ee6d3b7f072b27ad9b01ba4b58c00d8c87d8d93d812135bfN.exe	103
PID 2708 wrote to memory of 3556	2708	winver.exe	56
PID 4432 wrote to memory of 3556	4432	37118c0d61c1b356ee6d3b7f072b27ad9b01ba4b58c00d8c87d8d93d812135bfN.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3556
- C:\Users\Admin\AppData\Local\Temp\37118c0d61c1b356ee6d3b7f072b27ad9b01ba4b58c00d8c87d8d93d812135bfN.exe
  "C:\Users\Admin\AppData\Local\Temp\37118c0d61c1b356ee6d3b7f072b27ad9b01ba4b58c00d8c87d8d93d812135bfN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4432
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2708
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2708 -s 300
      4⤵
      Program crash
      PID:1780
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4432 -s 900
    3⤵
    - Program crash
    PID:4572

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:5092

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2708 -ip 2708
1⤵
PID:2304

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4432 -ip 4432
1⤵
PID:4640

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/3556-7-0x0000000001420000-0x0000000001426000-memory.dmp

Filesize
24KB

Download
memory/3556-8-0x0000000001420000-0x0000000001426000-memory.dmp

Filesize
24KB

Download
memory/3556-13-0x0000000001430000-0x0000000001436000-memory.dmp

Filesize
24KB

Download
memory/4432-1-0x0000000004720000-0x0000000004D78000-memory.dmp

Filesize
6.3MB

Download
memory/4432-2-0x00000000045E0000-0x00000000045E1000-memory.dmp

Filesize
4KB

Download
memory/4432-3-0x0000000004720000-0x0000000004D78000-memory.dmp

Filesize
6.3MB

Download
memory/4432-4-0x00000000045E0000-0x00000000045E1000-memory.dmp

Filesize
4KB

Download
memory/4432-5-0x00000000045E0000-0x00000000045E1000-memory.dmp

Filesize
4KB

Download
memory/4432-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4432-16-0x0000000004720000-0x0000000004D78000-memory.dmp

Filesize
6.3MB

Download