5cb67f2fd7cdcd16a79cd33406551d8b344f4b7a97b09b64471bc31bbe467c88

General

Target

5cb67f2fd7cdcd16a79cd33406551d8b344f4b7a97b09b64471bc31bbe467c88N.exe
Size

225KB
MD5

967acfcc4f07a9386491136a7bf121a0
SHA1

0c3c9a9d28cdf07e2702cd27a96ee2c5b75e5348
SHA256

5cb67f2fd7cdcd16a79cd33406551d8b344f4b7a97b09b64471bc31bbe467c88
SHA512

f2de66e2ff8d2dc3ebb77702a8b8dde424ec33283ad8aa428c8fe6ce3c136b8c052509ba63ed78f603cd803553df222dd03ee3506d122f552ad6199677b67c36
SSDEEP

6144:qA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpY0:qATuTAnKGwUAW3ycQqgl

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
4820	1640	WerFault.exe	103
2624	3936	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	5cb67f2fd7cdcd16a79cd33406551d8b344f4b7a97b09b64471bc31bbe467c88N.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
3936	5cb67f2fd7cdcd16a79cd33406551d8b344f4b7a97b09b64471bc31bbe467c88N.exe
3936	5cb67f2fd7cdcd16a79cd33406551d8b344f4b7a97b09b64471bc31bbe467c88N.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1640	winver.exe
3936	5cb67f2fd7cdcd16a79cd33406551d8b344f4b7a97b09b64471bc31bbe467c88N.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3936 wrote to memory of 1640	3936	5cb67f2fd7cdcd16a79cd33406551d8b344f4b7a97b09b64471bc31bbe467c88N.exe	103
PID 3936 wrote to memory of 1640	3936	5cb67f2fd7cdcd16a79cd33406551d8b344f4b7a97b09b64471bc31bbe467c88N.exe	103
PID 3936 wrote to memory of 1640	3936	5cb67f2fd7cdcd16a79cd33406551d8b344f4b7a97b09b64471bc31bbe467c88N.exe	103
PID 3936 wrote to memory of 1640	3936	5cb67f2fd7cdcd16a79cd33406551d8b344f4b7a97b09b64471bc31bbe467c88N.exe	103
PID 1640 wrote to memory of 3444	1640	winver.exe	56
PID 3936 wrote to memory of 3444	3936	5cb67f2fd7cdcd16a79cd33406551d8b344f4b7a97b09b64471bc31bbe467c88N.exe	56
PID 3936 wrote to memory of 2848	3936	5cb67f2fd7cdcd16a79cd33406551d8b344f4b7a97b09b64471bc31bbe467c88N.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2848

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3444
- C:\Users\Admin\AppData\Local\Temp\5cb67f2fd7cdcd16a79cd33406551d8b344f4b7a97b09b64471bc31bbe467c88N.exe
  "C:\Users\Admin\AppData\Local\Temp\5cb67f2fd7cdcd16a79cd33406551d8b344f4b7a97b09b64471bc31bbe467c88N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3936
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:1640
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1640 -s 300
      4⤵
      Program crash
      PID:4820
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3936 -s 884
    3⤵
    - Program crash
    PID:2624

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:3616

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1640 -ip 1640
1⤵
PID:1904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3936 -ip 3936
1⤵
PID:968

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/2848-23-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2848-17-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/3444-8-0x0000000000CB0000-0x0000000000CB6000-memory.dmp

Filesize
24KB

Download
memory/3444-15-0x0000000000F00000-0x0000000000F06000-memory.dmp

Filesize
24KB

Download
memory/3444-9-0x0000000000CB0000-0x0000000000CB6000-memory.dmp

Filesize
24KB

Download
memory/3936-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3936-6-0x0000000003CD0000-0x0000000003CD1000-memory.dmp

Filesize
4KB

Download
memory/3936-5-0x0000000003CD0000-0x0000000003CD1000-memory.dmp

Filesize
4KB

Download
memory/3936-1-0x00000000045F0000-0x0000000004C48000-memory.dmp

Filesize
6.3MB

Download
memory/3936-4-0x0000000003CD0000-0x0000000003CD1000-memory.dmp

Filesize
4KB

Download
memory/3936-14-0x0000000005B00000-0x0000000006500000-memory.dmp

Filesize
10.0MB

Download
memory/3936-3-0x00000000045F0000-0x0000000004C48000-memory.dmp

Filesize
6.3MB

Download
memory/3936-22-0x00000000045F0000-0x0000000004C48000-memory.dmp

Filesize
6.3MB

Download
memory/3936-18-0x0000000005B00000-0x0000000006500000-memory.dmp

Filesize
10.0MB

Download
memory/3936-20-0x00000000045F0000-0x00000000056F2000-memory.dmp

Filesize
17.0MB

Download
memory/3936-2-0x0000000003CD0000-0x0000000003CD1000-memory.dmp

Filesize
4KB

Download

Analysis

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