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
4624	3184	WerFault.exe	102
2704	1928	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	313541b3151f9d1c468b775af6aad86f97e085b719be4e776466af81771acef4.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
1928	313541b3151f9d1c468b775af6aad86f97e085b719be4e776466af81771acef4.exe
1928	313541b3151f9d1c468b775af6aad86f97e085b719be4e776466af81771acef4.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3548	Explorer.EXE
Token: SeCreatePagefilePrivilege	3548	Explorer.EXE
Token: SeShutdownPrivilege	3548	Explorer.EXE
Token: SeCreatePagefilePrivilege	3548	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3184	winver.exe
1928	313541b3151f9d1c468b775af6aad86f97e085b719be4e776466af81771acef4.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1928 wrote to memory of 3184	1928	313541b3151f9d1c468b775af6aad86f97e085b719be4e776466af81771acef4.exe	102
PID 1928 wrote to memory of 3184	1928	313541b3151f9d1c468b775af6aad86f97e085b719be4e776466af81771acef4.exe	102
PID 1928 wrote to memory of 3184	1928	313541b3151f9d1c468b775af6aad86f97e085b719be4e776466af81771acef4.exe	102
PID 1928 wrote to memory of 3184	1928	313541b3151f9d1c468b775af6aad86f97e085b719be4e776466af81771acef4.exe	102
PID 3184 wrote to memory of 3548	3184	winver.exe	55
PID 1928 wrote to memory of 3548	1928	313541b3151f9d1c468b775af6aad86f97e085b719be4e776466af81771acef4.exe	55
PID 1928 wrote to memory of 2892	1928	313541b3151f9d1c468b775af6aad86f97e085b719be4e776466af81771acef4.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2892

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3548
- 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:1928
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:3184
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3184 -s 300
      4⤵
      Program crash
      PID:4624
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1928 -s 928
    3⤵
    - Program crash
    PID:2704

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:4936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3184 -ip 3184
1⤵
PID:1664

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1928 -ip 1928
1⤵
PID:392

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/1928-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1928-2-0x00000000045F0000-0x00000000045F1000-memory.dmp

Filesize
4KB

Download
memory/1928-3-0x00000000045F0000-0x00000000045F1000-memory.dmp

Filesize
4KB

Download
memory/1928-4-0x00000000045F0000-0x00000000045F1000-memory.dmp

Filesize
4KB

Download
memory/1928-1-0x00000000047E0000-0x0000000004E38000-memory.dmp

Filesize
6.3MB

Download
memory/1928-13-0x0000000005BF0000-0x00000000065F0000-memory.dmp

Filesize
10.0MB

Download
memory/1928-15-0x0000000005BF0000-0x00000000065F0000-memory.dmp

Filesize
10.0MB

Download
memory/1928-19-0x00000000047E0000-0x0000000004E38000-memory.dmp

Filesize
6.3MB

Download
memory/2892-14-0x0000000000E00000-0x0000000000E06000-memory.dmp

Filesize
24KB

Download
memory/2892-20-0x0000000000E00000-0x0000000000E06000-memory.dmp

Filesize
24KB

Download
memory/3548-6-0x0000000001070000-0x0000000001076000-memory.dmp

Filesize
24KB

Download
memory/3548-7-0x0000000001070000-0x0000000001076000-memory.dmp

Filesize
24KB

Download
memory/3548-12-0x0000000001080000-0x0000000001086000-memory.dmp

Filesize
24KB

Download

Analysis

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