251ee56f0bc6477630ef7f475f0ee2598f024d77708afec31b7a7880b9fb9ce0

General

Target

251ee56f0bc6477630ef7f475f0ee2598f024d77708afec31b7a7880b9fb9ce0N.exe
Size

225KB
MD5

e83dccdb4f99d67cd9b1b2cfb1dd27e0
SHA1

9cb51257f337b1946cfad9eba44e5b99de2eb252
SHA256

251ee56f0bc6477630ef7f475f0ee2598f024d77708afec31b7a7880b9fb9ce0
SHA512

7dd72feaa792311b5d6763c2ca6b3f2e97bd859142e6f2dac7b0845bbc488bde9142aa5b9c0c47d9c5f0785ab123838ce30e6bcec6771e6a85677409a39ece8c
SSDEEP

6144:VA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:VATuTAnKGwUAW3ycQqgf

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
1536	1168	WerFault.exe	93
3008	3304	WerFault.exe	81

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	251ee56f0bc6477630ef7f475f0ee2598f024d77708afec31b7a7880b9fb9ce0N.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
3304	251ee56f0bc6477630ef7f475f0ee2598f024d77708afec31b7a7880b9fb9ce0N.exe
3304	251ee56f0bc6477630ef7f475f0ee2598f024d77708afec31b7a7880b9fb9ce0N.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3488	Explorer.EXE
Token: SeCreatePagefilePrivilege	3488	Explorer.EXE
Token: SeShutdownPrivilege	3488	Explorer.EXE
Token: SeCreatePagefilePrivilege	3488	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1168	winver.exe
3304	251ee56f0bc6477630ef7f475f0ee2598f024d77708afec31b7a7880b9fb9ce0N.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3304 wrote to memory of 1168	3304	251ee56f0bc6477630ef7f475f0ee2598f024d77708afec31b7a7880b9fb9ce0N.exe	93
PID 3304 wrote to memory of 1168	3304	251ee56f0bc6477630ef7f475f0ee2598f024d77708afec31b7a7880b9fb9ce0N.exe	93
PID 3304 wrote to memory of 1168	3304	251ee56f0bc6477630ef7f475f0ee2598f024d77708afec31b7a7880b9fb9ce0N.exe	93
PID 3304 wrote to memory of 1168	3304	251ee56f0bc6477630ef7f475f0ee2598f024d77708afec31b7a7880b9fb9ce0N.exe	93
PID 1168 wrote to memory of 3488	1168	winver.exe	56
PID 3304 wrote to memory of 3488	3304	251ee56f0bc6477630ef7f475f0ee2598f024d77708afec31b7a7880b9fb9ce0N.exe	56
PID 3304 wrote to memory of 2520	3304	251ee56f0bc6477630ef7f475f0ee2598f024d77708afec31b7a7880b9fb9ce0N.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2520

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3488
- C:\Users\Admin\AppData\Local\Temp\251ee56f0bc6477630ef7f475f0ee2598f024d77708afec31b7a7880b9fb9ce0N.exe
  "C:\Users\Admin\AppData\Local\Temp\251ee56f0bc6477630ef7f475f0ee2598f024d77708afec31b7a7880b9fb9ce0N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3304
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:1168
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1168 -s 300
      4⤵
      Program crash
      PID:1536
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3304 -s 964
    3⤵
    - Program crash
    PID:3008

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:1564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 1168 -ip 1168
1⤵
PID:2180

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3304 -ip 3304
1⤵
PID:3748

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/2520-14-0x00000000000D0000-0x00000000000D6000-memory.dmp

Filesize
24KB

Download
memory/2520-20-0x00000000000D0000-0x00000000000D6000-memory.dmp

Filesize
24KB

Download
memory/3304-1-0x0000000004580000-0x0000000004BD8000-memory.dmp

Filesize
6.3MB

Download
memory/3304-2-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/3304-3-0x0000000004580000-0x0000000004BD8000-memory.dmp

Filesize
6.3MB

Download
memory/3304-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3304-10-0x0000000005A90000-0x0000000006490000-memory.dmp

Filesize
10.0MB

Download
memory/3304-15-0x0000000005A90000-0x0000000006490000-memory.dmp

Filesize
10.0MB

Download
memory/3304-19-0x0000000004580000-0x0000000004BD8000-memory.dmp

Filesize
6.3MB

Download
memory/3488-5-0x0000000000CB0000-0x0000000000CB6000-memory.dmp

Filesize
24KB

Download
memory/3488-6-0x0000000000CB0000-0x0000000000CB6000-memory.dmp

Filesize
24KB

Download
memory/3488-11-0x0000000000C00000-0x0000000000C06000-memory.dmp

Filesize
24KB

Download

Analysis

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