baf8d5aa1f8fc433e8220e5ea413c09e91e19e6f7f802cd7c1331f63417e9042

Analysis

max time kernel
147s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
04/07/2024, 02:57

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General

Target
baf8d5aa1f8fc433e8220e5ea413c09e91e19e6f7f802cd7c1331f63417e9042.exe
Size 237KB
Sample240704-dfptpssgkd
SHA256 baf8d5aa1f8fc433e8220e5ea413c09e91e19e6f7f802cd7c1331f63417e9042
MD5 26d5a8fb64fa5ec2fe88b4486dc296ec
SHA1 b44193b1d8d9f9049b411b85751b4d338d04b14d
SHA512 345a4c2d8cc08ac15f55abe9d16f1f7a58d303f08a6be93d27d3e12640428f6e769c533ba70a3e18fe6fd6089a209902d37fff5d4690c7c0fb03afc7b47d1c9a
SSDEEP 6144:WA2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYQ:WATuTAnKGwUAWVycQqgj
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
4784	2196	WerFault.exe	89
1316	944	WerFault.exe	80

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
944	baf8d5aa1f8fc433e8220e5ea413c09e91e19e6f7f802cd7c1331f63417e9042.exe
944	baf8d5aa1f8fc433e8220e5ea413c09e91e19e6f7f802cd7c1331f63417e9042.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE

Suspicious use of FindShellTrayWindow 5 IoCs

pid	Process
2196	winver.exe
3432	Explorer.EXE
3432	Explorer.EXE
3432	Explorer.EXE
944	baf8d5aa1f8fc433e8220e5ea413c09e91e19e6f7f802cd7c1331f63417e9042.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
3432	Explorer.EXE
3432	Explorer.EXE
3432	Explorer.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 944 wrote to memory of 2196	944	baf8d5aa1f8fc433e8220e5ea413c09e91e19e6f7f802cd7c1331f63417e9042.exe	89
PID 944 wrote to memory of 2196	944	baf8d5aa1f8fc433e8220e5ea413c09e91e19e6f7f802cd7c1331f63417e9042.exe	89
PID 944 wrote to memory of 2196	944	baf8d5aa1f8fc433e8220e5ea413c09e91e19e6f7f802cd7c1331f63417e9042.exe	89
PID 944 wrote to memory of 2196	944	baf8d5aa1f8fc433e8220e5ea413c09e91e19e6f7f802cd7c1331f63417e9042.exe	89
PID 2196 wrote to memory of 3432	2196	winver.exe	56
PID 944 wrote to memory of 3432	944	baf8d5aa1f8fc433e8220e5ea413c09e91e19e6f7f802cd7c1331f63417e9042.exe	56
PID 944 wrote to memory of 2976	944	baf8d5aa1f8fc433e8220e5ea413c09e91e19e6f7f802cd7c1331f63417e9042.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2976

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:3432
- C:\Users\Admin\AppData\Local\Temp\baf8d5aa1f8fc433e8220e5ea413c09e91e19e6f7f802cd7c1331f63417e9042.exe
  "C:\Users\Admin\AppData\Local\Temp\baf8d5aa1f8fc433e8220e5ea413c09e91e19e6f7f802cd7c1331f63417e9042.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:944
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2196
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2196 -s 300
      4⤵
      Program crash
      PID:4784
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 944 -s 888
    3⤵
    - Program crash
    PID:1316

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:1320

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 2196 -ip 2196
1⤵
PID:2888

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 944 -ip 944
1⤵
PID:1460

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

Replay Monitor

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Downloads

memory/944-1-0x0000000004630000-0x0000000004C88000-memory.dmp

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memory/944-2-0x00000000044F0000-0x00000000044F1000-memory.dmp

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memory/944-6-0x0000000000400000-0x000000000043F000-memory.dmp

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memory/944-9-0x0000000005A80000-0x0000000006480000-memory.dmp

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memory/944-14-0x0000000005A80000-0x0000000006480000-memory.dmp

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memory/944-17-0x0000000004630000-0x0000000004C88000-memory.dmp

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memory/2976-12-0x00000000007B0000-0x00000000007B6000-memory.dmp

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memory/2976-18-0x00000000007B0000-0x00000000007B6000-memory.dmp

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memory/3432-4-0x0000000000D60000-0x0000000000D66000-memory.dmp

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memory/3432-5-0x0000000000D60000-0x0000000000D66000-memory.dmp

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memory/3432-10-0x0000000002FA0000-0x0000000002FA6000-memory.dmp

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