64b78edc3c44fc292f9f3849b151bae50f91db7deb35f843fc182a55a87f1bb9

General

Target

64b78edc3c44fc292f9f3849b151bae50f91db7deb35f843fc182a55a87f1bb9N.exe
Size

225KB
MD5

64b7f61cea5ca7a666b365025c65d5f0
SHA1

2da61a2003ba57bc0350a5fc8d6b32cc043b19bd
SHA256

64b78edc3c44fc292f9f3849b151bae50f91db7deb35f843fc182a55a87f1bb9
SHA512

8444ff272b1f27b56357341840d6fd28926d8bdc28aaf2f6b244b85d048ed44cf078aca2e3027c827fde3139fd9a428f8793e0767cd74f8373714e066b9b989e
SSDEEP

6144:LA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:LATuTAnKGwUAW3ycQqgf

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
4964	2524	WerFault.exe	104
1756	4176	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	64b78edc3c44fc292f9f3849b151bae50f91db7deb35f843fc182a55a87f1bb9N.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 behavior: EnumeratesProcesses 2 IoCs

pid	Process
4176	64b78edc3c44fc292f9f3849b151bae50f91db7deb35f843fc182a55a87f1bb9N.exe
4176	64b78edc3c44fc292f9f3849b151bae50f91db7deb35f843fc182a55a87f1bb9N.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2524	winver.exe
4176	64b78edc3c44fc292f9f3849b151bae50f91db7deb35f843fc182a55a87f1bb9N.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4176 wrote to memory of 2524	4176	64b78edc3c44fc292f9f3849b151bae50f91db7deb35f843fc182a55a87f1bb9N.exe	104
PID 4176 wrote to memory of 2524	4176	64b78edc3c44fc292f9f3849b151bae50f91db7deb35f843fc182a55a87f1bb9N.exe	104
PID 4176 wrote to memory of 2524	4176	64b78edc3c44fc292f9f3849b151bae50f91db7deb35f843fc182a55a87f1bb9N.exe	104
PID 4176 wrote to memory of 2524	4176	64b78edc3c44fc292f9f3849b151bae50f91db7deb35f843fc182a55a87f1bb9N.exe	104
PID 2524 wrote to memory of 3520	2524	winver.exe	56
PID 4176 wrote to memory of 3520	4176	64b78edc3c44fc292f9f3849b151bae50f91db7deb35f843fc182a55a87f1bb9N.exe	56
PID 4176 wrote to memory of 2712	4176	64b78edc3c44fc292f9f3849b151bae50f91db7deb35f843fc182a55a87f1bb9N.exe	45

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2712

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3520
- C:\Users\Admin\AppData\Local\Temp\64b78edc3c44fc292f9f3849b151bae50f91db7deb35f843fc182a55a87f1bb9N.exe
  "C:\Users\Admin\AppData\Local\Temp\64b78edc3c44fc292f9f3849b151bae50f91db7deb35f843fc182a55a87f1bb9N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4176
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2524
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2524 -s 300
      4⤵
      Program crash
      PID:4964
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4176 -s 768
    3⤵
    - Program crash
    PID:1756

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:4400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2524 -ip 2524
1⤵
PID:1640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4176 -ip 4176
1⤵
PID:1368

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2712-21-0x0000000000FF0000-0x0000000000FF6000-memory.dmp

Filesize
24KB

Download
memory/2712-15-0x0000000000FF0000-0x0000000000FF6000-memory.dmp

Filesize
24KB

Download
memory/3520-6-0x0000000000F20000-0x0000000000F26000-memory.dmp

Filesize
24KB

Download
memory/3520-13-0x00000000027C0000-0x00000000027C6000-memory.dmp

Filesize
24KB

Download
memory/3520-7-0x0000000000F20000-0x0000000000F26000-memory.dmp

Filesize
24KB

Download
memory/4176-4-0x0000000003D80000-0x0000000003D81000-memory.dmp

Filesize
4KB

Download
memory/4176-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4176-1-0x0000000004590000-0x0000000004BE8000-memory.dmp

Filesize
6.3MB

Download
memory/4176-12-0x0000000005AA0000-0x00000000064A0000-memory.dmp

Filesize
10.0MB

Download
memory/4176-3-0x0000000003D80000-0x0000000003D81000-memory.dmp

Filesize
4KB

Download
memory/4176-17-0x0000000005AA0000-0x00000000064A0000-memory.dmp

Filesize
10.0MB

Download
memory/4176-20-0x0000000004590000-0x0000000004BE8000-memory.dmp

Filesize
6.3MB

Download
memory/4176-2-0x0000000003D80000-0x0000000003D81000-memory.dmp

Filesize
4KB

Download

Analysis

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