7709f1048342d8c231c0d91bc007f13af3b76b9f411470b72cc4639deb33e553

General

Target

7709f1048342d8c231c0d91bc007f13af3b76b9f411470b72cc4639deb33e553.exe
Size

610KB
MD5

bef09c1fa867171166f1139445b3124e
SHA1

e16a2875d6f39ddb1a8d7cd4381d2e48f23b8960
SHA256

7709f1048342d8c231c0d91bc007f13af3b76b9f411470b72cc4639deb33e553
SHA512

09690dea10e6561a592f961eec7333aac6194ae9cd75c843c1433d2c06dadcb75d66c7ccc7feb39f63fbc7c4c3ca8c187f8132ec266ebc56a204bdd318a25268
SSDEEP

12288:wATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:+T+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
1864	720	WerFault.exe	98
1640	836	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	7709f1048342d8c231c0d91bc007f13af3b76b9f411470b72cc4639deb33e553.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
836	7709f1048342d8c231c0d91bc007f13af3b76b9f411470b72cc4639deb33e553.exe
836	7709f1048342d8c231c0d91bc007f13af3b76b9f411470b72cc4639deb33e553.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
720	winver.exe
836	7709f1048342d8c231c0d91bc007f13af3b76b9f411470b72cc4639deb33e553.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3424	Explorer.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 836 wrote to memory of 720	836	7709f1048342d8c231c0d91bc007f13af3b76b9f411470b72cc4639deb33e553.exe	98
PID 836 wrote to memory of 720	836	7709f1048342d8c231c0d91bc007f13af3b76b9f411470b72cc4639deb33e553.exe	98
PID 836 wrote to memory of 720	836	7709f1048342d8c231c0d91bc007f13af3b76b9f411470b72cc4639deb33e553.exe	98
PID 836 wrote to memory of 720	836	7709f1048342d8c231c0d91bc007f13af3b76b9f411470b72cc4639deb33e553.exe	98
PID 720 wrote to memory of 3424	720	winver.exe	56
PID 836 wrote to memory of 3424	836	7709f1048342d8c231c0d91bc007f13af3b76b9f411470b72cc4639deb33e553.exe	56
PID 836 wrote to memory of 2652	836	7709f1048342d8c231c0d91bc007f13af3b76b9f411470b72cc4639deb33e553.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2652

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3424
- C:\Users\Admin\AppData\Local\Temp\7709f1048342d8c231c0d91bc007f13af3b76b9f411470b72cc4639deb33e553.exe
  "C:\Users\Admin\AppData\Local\Temp\7709f1048342d8c231c0d91bc007f13af3b76b9f411470b72cc4639deb33e553.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:836
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:720
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 720 -s 304
      4⤵
      Program crash
      PID:1864
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 836 -s 948
    3⤵
    - Program crash
    PID:1640

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:3364

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 192 -p 720 -ip 720
1⤵
PID:1516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 836 -ip 836
1⤵
PID:1204

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/836-1-0x0000000004640000-0x0000000004C98000-memory.dmp

Filesize
6.3MB

Download
memory/836-2-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/836-3-0x0000000004640000-0x0000000004C98000-memory.dmp

Filesize
6.3MB

Download
memory/836-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/836-11-0x0000000005A90000-0x0000000006490000-memory.dmp

Filesize
10.0MB

Download
memory/836-15-0x0000000005A90000-0x0000000006490000-memory.dmp

Filesize
10.0MB

Download
memory/836-18-0x0000000004640000-0x0000000004C98000-memory.dmp

Filesize
6.3MB

Download
memory/2652-13-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/2652-19-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/3424-5-0x0000000001260000-0x0000000001266000-memory.dmp

Filesize
24KB

Download
memory/3424-6-0x0000000001260000-0x0000000001266000-memory.dmp

Filesize
24KB

Download
memory/3424-10-0x0000000001430000-0x0000000001436000-memory.dmp

Filesize
24KB

Download

Analysis

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