f8a58f708dae548a0f05953a346b2d2fab35bfcadf0bd0e8c29b653bbe170cd0

General

Target

f8a58f708dae548a0f05953a346b2d2fab35bfcadf0bd0e8c29b653bbe170cd0N.exe
Size

610KB
MD5

61ac304d9c573cd85a0bcde19353d3b0
SHA1

e845dd0c6f8f36579d9069297333a9f0e9217fb3
SHA256

f8a58f708dae548a0f05953a346b2d2fab35bfcadf0bd0e8c29b653bbe170cd0
SHA512

34935efb9759aa69de74195ebd20901d42028e225d4ff1db9d81b58da62eb84d693af5a736132986210fdfeba9781bc0410ecc6548a22458a300fda7910720a2
SSDEEP

12288:IATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:2T+KjUdQqboyyWoK1NGqzuhb

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
3556	932	WerFault.exe	102
3536	2720	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	f8a58f708dae548a0f05953a346b2d2fab35bfcadf0bd0e8c29b653bbe170cd0N.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
2720	f8a58f708dae548a0f05953a346b2d2fab35bfcadf0bd0e8c29b653bbe170cd0N.exe
2720	f8a58f708dae548a0f05953a346b2d2fab35bfcadf0bd0e8c29b653bbe170cd0N.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3440	Explorer.EXE
Token: SeCreatePagefilePrivilege	3440	Explorer.EXE
Token: SeShutdownPrivilege	3440	Explorer.EXE
Token: SeCreatePagefilePrivilege	3440	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
932	winver.exe
2720	f8a58f708dae548a0f05953a346b2d2fab35bfcadf0bd0e8c29b653bbe170cd0N.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2720 wrote to memory of 932	2720	f8a58f708dae548a0f05953a346b2d2fab35bfcadf0bd0e8c29b653bbe170cd0N.exe	102
PID 2720 wrote to memory of 932	2720	f8a58f708dae548a0f05953a346b2d2fab35bfcadf0bd0e8c29b653bbe170cd0N.exe	102
PID 2720 wrote to memory of 932	2720	f8a58f708dae548a0f05953a346b2d2fab35bfcadf0bd0e8c29b653bbe170cd0N.exe	102
PID 2720 wrote to memory of 932	2720	f8a58f708dae548a0f05953a346b2d2fab35bfcadf0bd0e8c29b653bbe170cd0N.exe	102
PID 932 wrote to memory of 3440	932	winver.exe	56
PID 2720 wrote to memory of 3440	2720	f8a58f708dae548a0f05953a346b2d2fab35bfcadf0bd0e8c29b653bbe170cd0N.exe	56
PID 2720 wrote to memory of 2620	2720	f8a58f708dae548a0f05953a346b2d2fab35bfcadf0bd0e8c29b653bbe170cd0N.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2620

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3440
- C:\Users\Admin\AppData\Local\Temp\f8a58f708dae548a0f05953a346b2d2fab35bfcadf0bd0e8c29b653bbe170cd0N.exe
  "C:\Users\Admin\AppData\Local\Temp\f8a58f708dae548a0f05953a346b2d2fab35bfcadf0bd0e8c29b653bbe170cd0N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2720
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:932
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 932 -s 300
      4⤵
      Program crash
      PID:3556
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2720 -s 884
    3⤵
    - Program crash
    PID:3536

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:4172

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 932 -ip 932
1⤵
PID:1364

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2720 -ip 2720
1⤵
PID:3160

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/2620-19-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2620-25-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2720-16-0x0000000005AB0000-0x00000000064B0000-memory.dmp

Filesize
10.0MB

Download
memory/2720-1-0x0000000004660000-0x0000000004CB8000-memory.dmp

Filesize
6.3MB

Download
memory/2720-5-0x00000000023E0000-0x00000000023E1000-memory.dmp

Filesize
4KB

Download
memory/2720-6-0x00000000023E0000-0x00000000023E1000-memory.dmp

Filesize
4KB

Download
memory/2720-7-0x00000000023E0000-0x00000000023E1000-memory.dmp

Filesize
4KB

Download
memory/2720-8-0x00000000023E0000-0x00000000023E1000-memory.dmp

Filesize
4KB

Download
memory/2720-2-0x00000000023E0000-0x00000000023E1000-memory.dmp

Filesize
4KB

Download
memory/2720-24-0x0000000004660000-0x0000000004CB8000-memory.dmp

Filesize
6.3MB

Download
memory/2720-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2720-20-0x0000000005AB0000-0x00000000064B0000-memory.dmp

Filesize
10.0MB

Download
memory/2720-4-0x00000000023E0000-0x00000000023E1000-memory.dmp

Filesize
4KB

Download
memory/2720-3-0x0000000004660000-0x0000000004CB8000-memory.dmp

Filesize
6.3MB

Download
memory/3440-17-0x00000000020E0000-0x00000000020E6000-memory.dmp

Filesize
24KB

Download
memory/3440-11-0x0000000000690000-0x0000000000696000-memory.dmp

Filesize
24KB

Download
memory/3440-10-0x0000000000690000-0x0000000000696000-memory.dmp

Filesize
24KB

Download

Analysis

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