42e328966b26b3238f310c95323fda73830bf18c9c48cafcff90cbe063069e2b

General

Target

42e328966b26b3238f310c95323fda73830bf18c9c48cafcff90cbe063069e2bN.exe
Size

610KB
MD5

1b5eaa2f89e092e1036e06ee963aec30
SHA1

29bcf6da5f8efafaa7963021655317e0a09375a7
SHA256

42e328966b26b3238f310c95323fda73830bf18c9c48cafcff90cbe063069e2b
SHA512

30feaa005fd49255b4ee226d08db7a0646f94232e57786e42e94d7d0a7be24ff0632e64b73a8356032b48e753b9cdcd426ae2f43cfe2655f394e576d18761c44
SSDEEP

12288:PATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+E:VT+KjUdQqboyyWoK1NGqzuhx

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
3196	4864	WerFault.exe	102
1212	3132	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	42e328966b26b3238f310c95323fda73830bf18c9c48cafcff90cbe063069e2bN.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
3132	42e328966b26b3238f310c95323fda73830bf18c9c48cafcff90cbe063069e2bN.exe
3132	42e328966b26b3238f310c95323fda73830bf18c9c48cafcff90cbe063069e2bN.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3504	Explorer.EXE
Token: SeCreatePagefilePrivilege	3504	Explorer.EXE
Token: SeShutdownPrivilege	3504	Explorer.EXE
Token: SeCreatePagefilePrivilege	3504	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4864	winver.exe
3132	42e328966b26b3238f310c95323fda73830bf18c9c48cafcff90cbe063069e2bN.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3132 wrote to memory of 4864	3132	42e328966b26b3238f310c95323fda73830bf18c9c48cafcff90cbe063069e2bN.exe	102
PID 3132 wrote to memory of 4864	3132	42e328966b26b3238f310c95323fda73830bf18c9c48cafcff90cbe063069e2bN.exe	102
PID 3132 wrote to memory of 4864	3132	42e328966b26b3238f310c95323fda73830bf18c9c48cafcff90cbe063069e2bN.exe	102
PID 3132 wrote to memory of 4864	3132	42e328966b26b3238f310c95323fda73830bf18c9c48cafcff90cbe063069e2bN.exe	102
PID 4864 wrote to memory of 3504	4864	winver.exe	56
PID 3132 wrote to memory of 3504	3132	42e328966b26b3238f310c95323fda73830bf18c9c48cafcff90cbe063069e2bN.exe	56
PID 3132 wrote to memory of 2632	3132	42e328966b26b3238f310c95323fda73830bf18c9c48cafcff90cbe063069e2bN.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2632

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3504
- C:\Users\Admin\AppData\Local\Temp\42e328966b26b3238f310c95323fda73830bf18c9c48cafcff90cbe063069e2bN.exe
  "C:\Users\Admin\AppData\Local\Temp\42e328966b26b3238f310c95323fda73830bf18c9c48cafcff90cbe063069e2bN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3132
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4864
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4864 -s 300
      4⤵
      Program crash
      PID:3196
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3132 -s 972
    3⤵
    - Program crash
    PID:1212

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:4688

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4864 -ip 4864
1⤵
PID:2892

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3132 -ip 3132
1⤵
PID:4348

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/2632-13-0x0000000000E20000-0x0000000000E26000-memory.dmp

Filesize
24KB

Download
memory/2632-19-0x0000000000E20000-0x0000000000E26000-memory.dmp

Filesize
24KB

Download
memory/3132-2-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/3132-1-0x0000000004560000-0x0000000004BB8000-memory.dmp

Filesize
6.3MB

Download
memory/3132-6-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3132-10-0x0000000005A70000-0x0000000006470000-memory.dmp

Filesize
10.0MB

Download
memory/3132-15-0x0000000005A70000-0x0000000006470000-memory.dmp

Filesize
10.0MB

Download
memory/3132-18-0x0000000004560000-0x0000000004BB8000-memory.dmp

Filesize
6.3MB

Download
memory/3504-4-0x0000000000830000-0x0000000000836000-memory.dmp

Filesize
24KB

Download
memory/3504-5-0x0000000000830000-0x0000000000836000-memory.dmp

Filesize
24KB

Download
memory/3504-11-0x0000000000850000-0x0000000000856000-memory.dmp

Filesize
24KB

Download

Analysis

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