3ab27f53acf237a750e95ea56d5d82d55594341dd766bb7f924548b1dbdaf2e6

General

Target

3ab27f53acf237a750e95ea56d5d82d55594341dd766bb7f924548b1dbdaf2e6N.exe
Size

610KB
MD5

fbefebc15175998eea0fdfbfb9902a70
SHA1

a0bbfb414c8530c12bd0e8bc57a01ce7806816cd
SHA256

3ab27f53acf237a750e95ea56d5d82d55594341dd766bb7f924548b1dbdaf2e6
SHA512

eca34ff22850c569b361bd80b98932d20e8faa10a9604cea54cb25e90c221d454c9c330fc9f5a563676325049cdaaea489a662d7f1a9105ec6af434a9b0b0458
SSDEEP

12288:rATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:pT+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
3272	4364	WerFault.exe
2168	4908	WerFault.exe	83

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	3ab27f53acf237a750e95ea56d5d82d55594341dd766bb7f924548b1dbdaf2e6N.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
4908	3ab27f53acf237a750e95ea56d5d82d55594341dd766bb7f924548b1dbdaf2e6N.exe
4908	3ab27f53acf237a750e95ea56d5d82d55594341dd766bb7f924548b1dbdaf2e6N.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE
Token: SeShutdownPrivilege	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4364	winver.exe
4908	3ab27f53acf237a750e95ea56d5d82d55594341dd766bb7f924548b1dbdaf2e6N.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4908 wrote to memory of 4364	4908	3ab27f53acf237a750e95ea56d5d82d55594341dd766bb7f924548b1dbdaf2e6N.exe	106
PID 4908 wrote to memory of 4364	4908	3ab27f53acf237a750e95ea56d5d82d55594341dd766bb7f924548b1dbdaf2e6N.exe	106
PID 4908 wrote to memory of 4364	4908	3ab27f53acf237a750e95ea56d5d82d55594341dd766bb7f924548b1dbdaf2e6N.exe	106
PID 4908 wrote to memory of 4364	4908	3ab27f53acf237a750e95ea56d5d82d55594341dd766bb7f924548b1dbdaf2e6N.exe	106
PID 4364 wrote to memory of 3528	4364	winver.exe	56
PID 4908 wrote to memory of 3528	4908	3ab27f53acf237a750e95ea56d5d82d55594341dd766bb7f924548b1dbdaf2e6N.exe	56
PID 4908 wrote to memory of 3108	4908	3ab27f53acf237a750e95ea56d5d82d55594341dd766bb7f924548b1dbdaf2e6N.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3108

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3528
- C:\Users\Admin\AppData\Local\Temp\3ab27f53acf237a750e95ea56d5d82d55594341dd766bb7f924548b1dbdaf2e6N.exe
  "C:\Users\Admin\AppData\Local\Temp\3ab27f53acf237a750e95ea56d5d82d55594341dd766bb7f924548b1dbdaf2e6N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4908
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4364
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4364 -s 300
      4⤵
      Program crash
      PID:3272
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4908 -s 888
    3⤵
    - Program crash
    PID:2168

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:2216

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4364 -ip 4364
1⤵
PID:2692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4908 -ip 4908
1⤵
PID:844

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/3108-14-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/3108-20-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/3528-6-0x0000000000CB0000-0x0000000000CB6000-memory.dmp

Filesize
24KB

Download
memory/3528-5-0x0000000000CB0000-0x0000000000CB6000-memory.dmp

Filesize
24KB

Download
memory/3528-12-0x0000000000CC0000-0x0000000000CC6000-memory.dmp

Filesize
24KB

Download
memory/4908-1-0x0000000004660000-0x0000000004CB8000-memory.dmp

Filesize
6.3MB

Download
memory/4908-2-0x0000000003D90000-0x0000000003D91000-memory.dmp

Filesize
4KB

Download
memory/4908-3-0x0000000004660000-0x0000000004CB8000-memory.dmp

Filesize
6.3MB

Download
memory/4908-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4908-11-0x0000000005770000-0x0000000006170000-memory.dmp

Filesize
10.0MB

Download
memory/4908-16-0x0000000005770000-0x0000000006170000-memory.dmp

Filesize
10.0MB

Download
memory/4908-19-0x0000000004660000-0x0000000004CB8000-memory.dmp

Filesize
6.3MB

Download

Analysis

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