3812c78639561f390c5830a0c3626d17456969e1a2998bdd4931617ca566aa1b

Analysis

max time kernel
109s
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
25-01-2025 04:07

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General

Target

3812c78639561f390c5830a0c3626d17456969e1a2998bdd4931617ca566aa1bN.exe
Size

225KB
MD5

85b1e4826981d4085532ed1f2579d2c0
SHA1

46d3e3969cf866a7a338a698143d2c4db0626f07
SHA256

3812c78639561f390c5830a0c3626d17456969e1a2998bdd4931617ca566aa1b
SHA512

ecdd397fc3fb3edb0eb6af0424b610acfca525ef45027a27fd88a63ec433d6f21585b1fa9af4a9a30db95c0e953f65e9f49b85761e9e78708b37e399a93ea88d
SSDEEP

6144:wA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:wATuTAnKGwUAW3ycQqgf

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
1748	5000	WerFault.exe	93
2380	1660	WerFault.exe	81

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	3812c78639561f390c5830a0c3626d17456969e1a2998bdd4931617ca566aa1bN.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	3472	Explorer.EXE
Token: SeCreatePagefilePrivilege	3472	Explorer.EXE
Token: SeShutdownPrivilege	3472	Explorer.EXE
Token: SeCreatePagefilePrivilege	3472	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
5000	winver.exe
1660	3812c78639561f390c5830a0c3626d17456969e1a2998bdd4931617ca566aa1bN.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1660 wrote to memory of 5000	1660	3812c78639561f390c5830a0c3626d17456969e1a2998bdd4931617ca566aa1bN.exe	93
PID 1660 wrote to memory of 5000	1660	3812c78639561f390c5830a0c3626d17456969e1a2998bdd4931617ca566aa1bN.exe	93
PID 1660 wrote to memory of 5000	1660	3812c78639561f390c5830a0c3626d17456969e1a2998bdd4931617ca566aa1bN.exe	93
PID 1660 wrote to memory of 5000	1660	3812c78639561f390c5830a0c3626d17456969e1a2998bdd4931617ca566aa1bN.exe	93
PID 5000 wrote to memory of 3472	5000	winver.exe	56
PID 1660 wrote to memory of 3472	1660	3812c78639561f390c5830a0c3626d17456969e1a2998bdd4931617ca566aa1bN.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3472
- C:\Users\Admin\AppData\Local\Temp\3812c78639561f390c5830a0c3626d17456969e1a2998bdd4931617ca566aa1bN.exe
  "C:\Users\Admin\AppData\Local\Temp\3812c78639561f390c5830a0c3626d17456969e1a2998bdd4931617ca566aa1bN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1660
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:5000
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5000 -s 300
      4⤵
      Program crash
      PID:1748
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1660 -s 872
    3⤵
    - Program crash
    PID:2380

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:4012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 5000 -ip 5000
1⤵
PID:4632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1660 -ip 1660
1⤵
PID:824

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/1660-1-0x0000000004670000-0x0000000004CC8000-memory.dmp

Filesize
6.3MB

Download
memory/1660-2-0x00000000023A0000-0x00000000023A1000-memory.dmp

Filesize
4KB

Download
memory/1660-3-0x0000000004670000-0x0000000004CC8000-memory.dmp

Filesize
6.3MB

Download
memory/1660-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1660-13-0x0000000004670000-0x0000000004CC8000-memory.dmp

Filesize
6.3MB

Download
memory/3472-5-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/3472-6-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/3472-10-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download