217948f502f29fdf931d8c0a8b8abbb0458a57758f8b1e913120e591a9229c9f

General

Target

217948f502f29fdf931d8c0a8b8abbb0458a57758f8b1e913120e591a9229c9f.exe
Size

610KB
MD5

7e7c626c0cd3310357d417b6dcfb37dc
SHA1

9bfab2c6a4e78528020d0a2ded44291bf824d8ff
SHA256

217948f502f29fdf931d8c0a8b8abbb0458a57758f8b1e913120e591a9229c9f
SHA512

6de2fa4f621a164e4c8d986422fc533442bf1b632a38927a6a0363676ac6bfda959f94e0ded2e1bacf18f283a448c7fdec67d65286ef224a0c93b8c6c23a3633
SSDEEP

12288:iATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+E:cT+KjUdQqboyyWoK1NGqzuh5

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
4384	4340	WerFault.exe	102
1876	1404	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	217948f502f29fdf931d8c0a8b8abbb0458a57758f8b1e913120e591a9229c9f.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
1404	217948f502f29fdf931d8c0a8b8abbb0458a57758f8b1e913120e591a9229c9f.exe
1404	217948f502f29fdf931d8c0a8b8abbb0458a57758f8b1e913120e591a9229c9f.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3476	Explorer.EXE
Token: SeCreatePagefilePrivilege	3476	Explorer.EXE
Token: SeShutdownPrivilege	3476	Explorer.EXE
Token: SeCreatePagefilePrivilege	3476	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4340	winver.exe
1404	217948f502f29fdf931d8c0a8b8abbb0458a57758f8b1e913120e591a9229c9f.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1404 wrote to memory of 4340	1404	217948f502f29fdf931d8c0a8b8abbb0458a57758f8b1e913120e591a9229c9f.exe	102
PID 1404 wrote to memory of 4340	1404	217948f502f29fdf931d8c0a8b8abbb0458a57758f8b1e913120e591a9229c9f.exe	102
PID 1404 wrote to memory of 4340	1404	217948f502f29fdf931d8c0a8b8abbb0458a57758f8b1e913120e591a9229c9f.exe	102
PID 1404 wrote to memory of 4340	1404	217948f502f29fdf931d8c0a8b8abbb0458a57758f8b1e913120e591a9229c9f.exe	102
PID 4340 wrote to memory of 3476	4340	winver.exe	56
PID 1404 wrote to memory of 3476	1404	217948f502f29fdf931d8c0a8b8abbb0458a57758f8b1e913120e591a9229c9f.exe	56
PID 1404 wrote to memory of 2896	1404	217948f502f29fdf931d8c0a8b8abbb0458a57758f8b1e913120e591a9229c9f.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2896

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3476
- C:\Users\Admin\AppData\Local\Temp\217948f502f29fdf931d8c0a8b8abbb0458a57758f8b1e913120e591a9229c9f.exe
  "C:\Users\Admin\AppData\Local\Temp\217948f502f29fdf931d8c0a8b8abbb0458a57758f8b1e913120e591a9229c9f.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1404
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4340
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4340 -s 300
      4⤵
      Program crash
      PID:4384
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1404 -s 996
    3⤵
    - Program crash
    PID:1876

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:4976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4340 -ip 4340
1⤵
PID:3980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 1404 -ip 1404
1⤵
PID:4996

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/1404-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1404-2-0x0000000003D90000-0x0000000003D91000-memory.dmp

Filesize
4KB

Download
memory/1404-3-0x00000000047A0000-0x0000000004DF8000-memory.dmp

Filesize
6.3MB

Download
memory/1404-4-0x0000000003D90000-0x0000000003D91000-memory.dmp

Filesize
4KB

Download
memory/1404-1-0x00000000047A0000-0x0000000004DF8000-memory.dmp

Filesize
6.3MB

Download
memory/1404-12-0x0000000005BB0000-0x00000000065B0000-memory.dmp

Filesize
10.0MB

Download
memory/1404-16-0x0000000005BB0000-0x00000000065B0000-memory.dmp

Filesize
10.0MB

Download
memory/1404-20-0x00000000047A0000-0x0000000004DF8000-memory.dmp

Filesize
6.3MB

Download
memory/2896-15-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/2896-21-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/3476-6-0x0000000000D50000-0x0000000000D56000-memory.dmp

Filesize
24KB

Download
memory/3476-7-0x0000000000D50000-0x0000000000D56000-memory.dmp

Filesize
24KB

Download
memory/3476-13-0x0000000000D60000-0x0000000000D66000-memory.dmp

Filesize
24KB

Download

Analysis

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