dc8e1de431a189a8c89a147c25e9b9395f4e34c627a7d9fdee54774398f6e986

General

Target

dc8e1de431a189a8c89a147c25e9b9395f4e34c627a7d9fdee54774398f6e986N.exe
Size

237KB
MD5

d9c219b54ead295f3bc77043ccc34800
SHA1

319795038ebb5e973e70a161562aaa811a89ec22
SHA256

dc8e1de431a189a8c89a147c25e9b9395f4e34c627a7d9fdee54774398f6e986
SHA512

b144accbb888900612b6077329f9c8f7359fb0be73192b14bd08adddb9374c2002a970077098722627aec9ba4bfbac065a718f89466109315bd4c596c1030d17
SSDEEP

6144:FA2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYA:FATuTAnKGwUAWVycQqgB

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
3920	3636	WerFault.exe	102
1412	4784	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	dc8e1de431a189a8c89a147c25e9b9395f4e34c627a7d9fdee54774398f6e986N.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
4784	dc8e1de431a189a8c89a147c25e9b9395f4e34c627a7d9fdee54774398f6e986N.exe
4784	dc8e1de431a189a8c89a147c25e9b9395f4e34c627a7d9fdee54774398f6e986N.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3636	winver.exe
4784	dc8e1de431a189a8c89a147c25e9b9395f4e34c627a7d9fdee54774398f6e986N.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4784 wrote to memory of 3636	4784	dc8e1de431a189a8c89a147c25e9b9395f4e34c627a7d9fdee54774398f6e986N.exe	102
PID 4784 wrote to memory of 3636	4784	dc8e1de431a189a8c89a147c25e9b9395f4e34c627a7d9fdee54774398f6e986N.exe	102
PID 4784 wrote to memory of 3636	4784	dc8e1de431a189a8c89a147c25e9b9395f4e34c627a7d9fdee54774398f6e986N.exe	102
PID 4784 wrote to memory of 3636	4784	dc8e1de431a189a8c89a147c25e9b9395f4e34c627a7d9fdee54774398f6e986N.exe	102
PID 3636 wrote to memory of 3456	3636	winver.exe	56
PID 4784 wrote to memory of 3456	4784	dc8e1de431a189a8c89a147c25e9b9395f4e34c627a7d9fdee54774398f6e986N.exe	56
PID 4784 wrote to memory of 2784	4784	dc8e1de431a189a8c89a147c25e9b9395f4e34c627a7d9fdee54774398f6e986N.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2784

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3456
- C:\Users\Admin\AppData\Local\Temp\dc8e1de431a189a8c89a147c25e9b9395f4e34c627a7d9fdee54774398f6e986N.exe
  "C:\Users\Admin\AppData\Local\Temp\dc8e1de431a189a8c89a147c25e9b9395f4e34c627a7d9fdee54774398f6e986N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4784
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:3636
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3636 -s 300
      4⤵
      Program crash
      PID:3920
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4784 -s 864
    3⤵
    - Program crash
    PID:1412

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:2864

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 3636 -ip 3636
1⤵
PID:3228

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4784 -ip 4784
1⤵
PID:1944

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/2784-18-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/2784-24-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/3456-10-0x0000000000AB0000-0x0000000000AB6000-memory.dmp

Filesize
24KB

Download
memory/3456-9-0x0000000000AB0000-0x0000000000AB6000-memory.dmp

Filesize
24KB

Download
memory/3456-16-0x0000000000AC0000-0x0000000000AC6000-memory.dmp

Filesize
24KB

Download
memory/4784-11-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/4784-7-0x0000000003D50000-0x0000000003D51000-memory.dmp

Filesize
4KB

Download
memory/4784-6-0x0000000003D50000-0x0000000003D51000-memory.dmp

Filesize
4KB

Download
memory/4784-1-0x0000000004600000-0x0000000004C58000-memory.dmp

Filesize
6.3MB

Download
memory/4784-4-0x0000000003D50000-0x0000000003D51000-memory.dmp

Filesize
4KB

Download
memory/4784-5-0x0000000003D50000-0x0000000003D51000-memory.dmp

Filesize
4KB

Download
memory/4784-15-0x0000000005B10000-0x0000000006510000-memory.dmp

Filesize
10.0MB

Download
memory/4784-3-0x0000000004600000-0x0000000004C58000-memory.dmp

Filesize
6.3MB

Download
memory/4784-19-0x0000000005B10000-0x0000000006510000-memory.dmp

Filesize
10.0MB

Download
memory/4784-23-0x0000000004600000-0x0000000004C58000-memory.dmp

Filesize
6.3MB

Download
memory/4784-2-0x0000000003D50000-0x0000000003D51000-memory.dmp

Filesize
4KB

Download

Analysis

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