f81f4cabe23b48775f8e1efda0b52f5796f7d486296dde1c000d591c58ebd40e

Analysis

max time kernel
107s
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
26-12-2024 11:12

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General

Target

f81f4cabe23b48775f8e1efda0b52f5796f7d486296dde1c000d591c58ebd40eN.exe
Size

610KB
MD5

7c9526c1c5c19fb3c23f696add94d7a0
SHA1

6dfd0273613b943e55c25068747ea7f2569c8cb9
SHA256

f81f4cabe23b48775f8e1efda0b52f5796f7d486296dde1c000d591c58ebd40e
SHA512

1126b086c7cdf5c9a0ddca8d2f8cd22d55027cb8efa099713da7810376ffb6e1dcf8160421308a5e550cfcbc60ee67500bc68d9bd460bc656037aec8e9ac222f
SSDEEP

12288:bATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:ZT+KjUdQqboyyWoK1NGqzuhb

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
1964	512	WerFault.exe	105
3548	3024	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	f81f4cabe23b48775f8e1efda0b52f5796f7d486296dde1c000d591c58ebd40eN.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	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE
Token: SeShutdownPrivilege	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
512	winver.exe
3024	f81f4cabe23b48775f8e1efda0b52f5796f7d486296dde1c000d591c58ebd40eN.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3024 wrote to memory of 512	3024	f81f4cabe23b48775f8e1efda0b52f5796f7d486296dde1c000d591c58ebd40eN.exe	105
PID 3024 wrote to memory of 512	3024	f81f4cabe23b48775f8e1efda0b52f5796f7d486296dde1c000d591c58ebd40eN.exe	105
PID 3024 wrote to memory of 512	3024	f81f4cabe23b48775f8e1efda0b52f5796f7d486296dde1c000d591c58ebd40eN.exe	105
PID 3024 wrote to memory of 512	3024	f81f4cabe23b48775f8e1efda0b52f5796f7d486296dde1c000d591c58ebd40eN.exe	105
PID 512 wrote to memory of 3528	512	winver.exe	56
PID 3024 wrote to memory of 3528	3024	f81f4cabe23b48775f8e1efda0b52f5796f7d486296dde1c000d591c58ebd40eN.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3528
- C:\Users\Admin\AppData\Local\Temp\f81f4cabe23b48775f8e1efda0b52f5796f7d486296dde1c000d591c58ebd40eN.exe
  "C:\Users\Admin\AppData\Local\Temp\f81f4cabe23b48775f8e1efda0b52f5796f7d486296dde1c000d591c58ebd40eN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3024
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:512
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 512 -s 300
      4⤵
      Program crash
      PID:1964
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3024 -s 760
    3⤵
    - Program crash
    PID:3548

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:1780

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 512 -ip 512
1⤵
PID:2800

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3024 -ip 3024
1⤵
PID:4824

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/3024-1-0x0000000004640000-0x0000000004C98000-memory.dmp

Filesize
6.3MB

Download
memory/3024-2-0x00000000024E0000-0x00000000024E1000-memory.dmp

Filesize
4KB

Download
memory/3024-3-0x00000000024E0000-0x00000000024E1000-memory.dmp

Filesize
4KB

Download
memory/3024-4-0x0000000004640000-0x0000000004C98000-memory.dmp

Filesize
6.3MB

Download
memory/3024-5-0x00000000024E0000-0x00000000024E1000-memory.dmp

Filesize
4KB

Download
memory/3024-6-0x00000000024E0000-0x00000000024E1000-memory.dmp

Filesize
4KB

Download
memory/3024-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3024-17-0x0000000004640000-0x0000000004C98000-memory.dmp

Filesize
6.3MB

Download
memory/3528-8-0x0000000000D70000-0x0000000000D76000-memory.dmp

Filesize
24KB

Download
memory/3528-9-0x0000000000D70000-0x0000000000D76000-memory.dmp

Filesize
24KB

Download
memory/3528-14-0x0000000000D80000-0x0000000000D86000-memory.dmp

Filesize
24KB

Download