bf0ff6fd715c60f5ad270161b0969353ba21c830676409ae8306001cc4bf3583

General

Target

bf0ff6fd715c60f5ad270161b0969353ba21c830676409ae8306001cc4bf3583N.exe
Size

610KB
MD5

8cc1805fb7c58616e6a42e6176a18780
SHA1

653536d5cd962c0a4fee82224b88170b2b57f5c7
SHA256

bf0ff6fd715c60f5ad270161b0969353ba21c830676409ae8306001cc4bf3583
SHA512

b8c8fb3b844a07ba0ce5c8b6811d6e300854662951463f7f136229b486ca880b407acdd73f16ffe49271b2637d4b7e44c3f87e112b101527b6a94bd0ee28a1d9
SSDEEP

12288:HATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+E:NT+KjUdQqboyyWoK1NGqzuhh

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
448	4636	WerFault.exe	102
1620	1648	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	bf0ff6fd715c60f5ad270161b0969353ba21c830676409ae8306001cc4bf3583N.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
1648	bf0ff6fd715c60f5ad270161b0969353ba21c830676409ae8306001cc4bf3583N.exe
1648	bf0ff6fd715c60f5ad270161b0969353ba21c830676409ae8306001cc4bf3583N.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3484	Explorer.EXE
Token: SeCreatePagefilePrivilege	3484	Explorer.EXE
Token: SeShutdownPrivilege	3484	Explorer.EXE
Token: SeCreatePagefilePrivilege	3484	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4636	winver.exe
1648	bf0ff6fd715c60f5ad270161b0969353ba21c830676409ae8306001cc4bf3583N.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1648 wrote to memory of 4636	1648	bf0ff6fd715c60f5ad270161b0969353ba21c830676409ae8306001cc4bf3583N.exe	102
PID 1648 wrote to memory of 4636	1648	bf0ff6fd715c60f5ad270161b0969353ba21c830676409ae8306001cc4bf3583N.exe	102
PID 1648 wrote to memory of 4636	1648	bf0ff6fd715c60f5ad270161b0969353ba21c830676409ae8306001cc4bf3583N.exe	102
PID 1648 wrote to memory of 4636	1648	bf0ff6fd715c60f5ad270161b0969353ba21c830676409ae8306001cc4bf3583N.exe	102
PID 4636 wrote to memory of 3484	4636	winver.exe	56
PID 1648 wrote to memory of 3484	1648	bf0ff6fd715c60f5ad270161b0969353ba21c830676409ae8306001cc4bf3583N.exe	56
PID 1648 wrote to memory of 2532	1648	bf0ff6fd715c60f5ad270161b0969353ba21c830676409ae8306001cc4bf3583N.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2532

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3484
- C:\Users\Admin\AppData\Local\Temp\bf0ff6fd715c60f5ad270161b0969353ba21c830676409ae8306001cc4bf3583N.exe
  "C:\Users\Admin\AppData\Local\Temp\bf0ff6fd715c60f5ad270161b0969353ba21c830676409ae8306001cc4bf3583N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1648
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4636
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4636 -s 300
      4⤵
      Program crash
      PID:448
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1648 -s 944
    3⤵
    - Program crash
    PID:1620

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:3652

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4636 -ip 4636
1⤵
PID:888

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1648 -ip 1648
1⤵
PID:1152

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/1648-1-0x0000000004620000-0x0000000004C78000-memory.dmp

Filesize
6.3MB

Download
memory/1648-2-0x0000000003D10000-0x0000000003D11000-memory.dmp

Filesize
4KB

Download
memory/1648-3-0x0000000004620000-0x0000000004C78000-memory.dmp

Filesize
6.3MB

Download
memory/1648-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1648-11-0x0000000005A70000-0x0000000006470000-memory.dmp

Filesize
10.0MB

Download
memory/1648-16-0x0000000005A70000-0x0000000006470000-memory.dmp

Filesize
10.0MB

Download
memory/1648-19-0x0000000004620000-0x0000000004C78000-memory.dmp

Filesize
6.3MB

Download
memory/2532-14-0x0000000000BB0000-0x0000000000BB6000-memory.dmp

Filesize
24KB

Download
memory/2532-20-0x0000000000BB0000-0x0000000000BB6000-memory.dmp

Filesize
24KB

Download
memory/3484-5-0x0000000001270000-0x0000000001276000-memory.dmp

Filesize
24KB

Download
memory/3484-6-0x0000000001270000-0x0000000001276000-memory.dmp

Filesize
24KB

Download
memory/3484-12-0x0000000001280000-0x0000000001286000-memory.dmp

Filesize
24KB

Download

Analysis

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