ed31986b30950e268f3407f65a15f1bcc2f6c84a6ed0aaf07bba0f43b03bbf85

Analysis

max time kernel
130s
max time network
50s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
05/07/2024, 04:23

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General

Target
ed31986b30950e268f3407f65a15f1bcc2f6c84a6ed0aaf07bba0f43b03bbf85.exe
Size 225KB
Sample240705-ez8llavdpc
SHA256 ed31986b30950e268f3407f65a15f1bcc2f6c84a6ed0aaf07bba0f43b03bbf85
MD5 009a3ddf7b0e21602e23acef07a4a8b8
SHA1 90ade388fcc7475d3e0c8e2d3aa141b0a429cfb6
SHA512 1d7b24d272f59225a0a113033bbc80fc0091ad17c3d1b49e77bb6fa37d737577945a0e552eecadd15e734519850915d7bc6794c5c54663183f85b5bb1ccc246f
SSDEEP 6144:FA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:FATuTAnKGwUAW3ycQqgf
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

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
2812	2036	WerFault.exe	94
4308	620	WerFault.exe	81

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@%SystemRoot%\system32\hnetcfgclient.dll,-201 = "HNetCfg Client"	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
620	ed31986b30950e268f3407f65a15f1bcc2f6c84a6ed0aaf07bba0f43b03bbf85.exe
620	ed31986b30950e268f3407f65a15f1bcc2f6c84a6ed0aaf07bba0f43b03bbf85.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE

Suspicious use of FindShellTrayWindow 5 IoCs

pid	Process
2036	winver.exe
3436	Explorer.EXE
3436	Explorer.EXE
3436	Explorer.EXE
620	ed31986b30950e268f3407f65a15f1bcc2f6c84a6ed0aaf07bba0f43b03bbf85.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
3436	Explorer.EXE
3436	Explorer.EXE
3436	Explorer.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 620 wrote to memory of 2036	620	ed31986b30950e268f3407f65a15f1bcc2f6c84a6ed0aaf07bba0f43b03bbf85.exe	94
PID 620 wrote to memory of 2036	620	ed31986b30950e268f3407f65a15f1bcc2f6c84a6ed0aaf07bba0f43b03bbf85.exe	94
PID 620 wrote to memory of 2036	620	ed31986b30950e268f3407f65a15f1bcc2f6c84a6ed0aaf07bba0f43b03bbf85.exe	94
PID 620 wrote to memory of 2036	620	ed31986b30950e268f3407f65a15f1bcc2f6c84a6ed0aaf07bba0f43b03bbf85.exe	94
PID 2036 wrote to memory of 3436	2036	winver.exe	55
PID 620 wrote to memory of 3436	620	ed31986b30950e268f3407f65a15f1bcc2f6c84a6ed0aaf07bba0f43b03bbf85.exe	55
PID 620 wrote to memory of 2880	620	ed31986b30950e268f3407f65a15f1bcc2f6c84a6ed0aaf07bba0f43b03bbf85.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2880

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:3436
- C:\Users\Admin\AppData\Local\Temp\ed31986b30950e268f3407f65a15f1bcc2f6c84a6ed0aaf07bba0f43b03bbf85.exe
  "C:\Users\Admin\AppData\Local\Temp\ed31986b30950e268f3407f65a15f1bcc2f6c84a6ed0aaf07bba0f43b03bbf85.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:620
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2036
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2036 -s 300
      4⤵
      Program crash
      PID:2812
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 620 -s 812
    3⤵
    - Program crash
    PID:4308

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:3708

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2036 -ip 2036
1⤵
PID:4620

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 620 -ip 620
1⤵
PID:2200

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/620-1-0x0000000004600000-0x0000000004C58000-memory.dmp

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memory/620-2-0x0000000003D10000-0x0000000003D11000-memory.dmp

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memory/620-6-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/620-9-0x0000000005810000-0x0000000006210000-memory.dmp

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memory/620-13-0x0000000005810000-0x0000000006210000-memory.dmp

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memory/620-17-0x0000000004600000-0x0000000004C58000-memory.dmp

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memory/2880-12-0x00000000000B0000-0x00000000000B6000-memory.dmp

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memory/2880-18-0x00000000000B0000-0x00000000000B6000-memory.dmp

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memory/3436-4-0x00000000010D0000-0x00000000010D6000-memory.dmp

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memory/3436-5-0x00000000010D0000-0x00000000010D6000-memory.dmp

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memory/3436-10-0x0000000002B30000-0x0000000002B36000-memory.dmp

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