313541b3151f9d1c468b775af6aad86f97e085b719be4e776466af81771acef4

General

Target

313541b3151f9d1c468b775af6aad86f97e085b719be4e776466af81771acef4.exe
Size

610KB
MD5

3e35fb39d3b7e7721eca2dfb4cf51c14
SHA1

c536e306ebef2ab5b3c68b6fc2e98ab00bd867a3
SHA256

313541b3151f9d1c468b775af6aad86f97e085b719be4e776466af81771acef4
SHA512

ddd4fcb103b07398dc5eea58119b69c2b409773659d1a904306a2b358e0cad9c366abf92905ddbff0dc7db1b0af0613e91e0113428f0c39b9350618f3b9b4ea0
SSDEEP

12288:9ATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:nT+KjUdQqboyyWoK1NGqzuhj

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
2120	1236	WerFault.exe	102
2924	3060	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	313541b3151f9d1c468b775af6aad86f97e085b719be4e776466af81771acef4.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
3060	313541b3151f9d1c468b775af6aad86f97e085b719be4e776466af81771acef4.exe
3060	313541b3151f9d1c468b775af6aad86f97e085b719be4e776466af81771acef4.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3448	Explorer.EXE
Token: SeCreatePagefilePrivilege	3448	Explorer.EXE
Token: SeShutdownPrivilege	3448	Explorer.EXE
Token: SeCreatePagefilePrivilege	3448	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1236	winver.exe
3060	313541b3151f9d1c468b775af6aad86f97e085b719be4e776466af81771acef4.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3060 wrote to memory of 1236	3060	313541b3151f9d1c468b775af6aad86f97e085b719be4e776466af81771acef4.exe	102
PID 3060 wrote to memory of 1236	3060	313541b3151f9d1c468b775af6aad86f97e085b719be4e776466af81771acef4.exe	102
PID 3060 wrote to memory of 1236	3060	313541b3151f9d1c468b775af6aad86f97e085b719be4e776466af81771acef4.exe	102
PID 3060 wrote to memory of 1236	3060	313541b3151f9d1c468b775af6aad86f97e085b719be4e776466af81771acef4.exe	102
PID 1236 wrote to memory of 3448	1236	winver.exe	56
PID 3060 wrote to memory of 3448	3060	313541b3151f9d1c468b775af6aad86f97e085b719be4e776466af81771acef4.exe	56
PID 3060 wrote to memory of 2660	3060	313541b3151f9d1c468b775af6aad86f97e085b719be4e776466af81771acef4.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2660

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3448
- C:\Users\Admin\AppData\Local\Temp\313541b3151f9d1c468b775af6aad86f97e085b719be4e776466af81771acef4.exe
  "C:\Users\Admin\AppData\Local\Temp\313541b3151f9d1c468b775af6aad86f97e085b719be4e776466af81771acef4.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3060
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:1236
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1236 -s 300
      4⤵
      Program crash
      PID:2120
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3060 -s 956
    3⤵
    - Program crash
    PID:2924

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:3904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1236 -ip 1236
1⤵
PID:1360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 3060 -ip 3060
1⤵
PID:3440

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/2660-15-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download
memory/2660-21-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download
memory/3060-4-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/3060-1-0x00000000046F0000-0x0000000004D48000-memory.dmp

Filesize
6.3MB

Download
memory/3060-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3060-12-0x0000000005B00000-0x0000000006500000-memory.dmp

Filesize
10.0MB

Download
memory/3060-3-0x00000000046F0000-0x0000000004D48000-memory.dmp

Filesize
6.3MB

Download
memory/3060-17-0x0000000005B00000-0x0000000006500000-memory.dmp

Filesize
10.0MB

Download
memory/3060-20-0x00000000046F0000-0x0000000004D48000-memory.dmp

Filesize
6.3MB

Download
memory/3060-2-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/3448-6-0x0000000000500000-0x0000000000506000-memory.dmp

Filesize
24KB

Download
memory/3448-7-0x0000000000500000-0x0000000000506000-memory.dmp

Filesize
24KB

Download
memory/3448-13-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download

Analysis

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