66fc0c144afb18927ba793f131bac3afa379fec65b80f0d5bfac7e91b80d9bc3

Analysis

max time kernel
146s
max time network
52s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
23/06/2024, 22:30

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General

Target
66fc0c144afb18927ba793f131bac3afa379fec65b80f0d5bfac7e91b80d9bc3.exe
Size 225KB
Sample240623-2e2c4syerr
SHA256 66fc0c144afb18927ba793f131bac3afa379fec65b80f0d5bfac7e91b80d9bc3
MD5 9eed549759ae5a06b114c2b891778660
SHA1 422d846b2fef66eab815322f46974b581e8ecf59
SHA512 b14094d0b8f99858fcc6304cf5c225cd27ff2212d6c40bb912d0434dc8ed6d677490702dfae379e2671b1fd202a178d16c61cea419043bd157e87fee0f85bac3
SSDEEP 6144:nA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:nATuTAnKGwUAW3ycQqgf
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
3788	3264	WerFault.exe	84
4368	2612	WerFault.exe	79

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 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
3264	winver.exe
3436	Explorer.EXE
3436	Explorer.EXE
3436	Explorer.EXE
2612	66fc0c144afb18927ba793f131bac3afa379fec65b80f0d5bfac7e91b80d9bc3.exe

Suspicious use of SendNotifyMessage 3 IoCs

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

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2612 wrote to memory of 3264	2612	66fc0c144afb18927ba793f131bac3afa379fec65b80f0d5bfac7e91b80d9bc3.exe	84
PID 2612 wrote to memory of 3264	2612	66fc0c144afb18927ba793f131bac3afa379fec65b80f0d5bfac7e91b80d9bc3.exe	84
PID 2612 wrote to memory of 3264	2612	66fc0c144afb18927ba793f131bac3afa379fec65b80f0d5bfac7e91b80d9bc3.exe	84
PID 2612 wrote to memory of 3264	2612	66fc0c144afb18927ba793f131bac3afa379fec65b80f0d5bfac7e91b80d9bc3.exe	84
PID 3264 wrote to memory of 3436	3264	winver.exe	56
PID 2612 wrote to memory of 3436	2612	66fc0c144afb18927ba793f131bac3afa379fec65b80f0d5bfac7e91b80d9bc3.exe	56

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\66fc0c144afb18927ba793f131bac3afa379fec65b80f0d5bfac7e91b80d9bc3.exe
  "C:\Users\Admin\AppData\Local\Temp\66fc0c144afb18927ba793f131bac3afa379fec65b80f0d5bfac7e91b80d9bc3.exe"
  2⤵
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2612
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:3264
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3264 -s 300
      4⤵
      Program crash
      PID:3788
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2612 -s 708
    3⤵
    - Program crash
    PID:4368

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:2248

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3264 -ip 3264
1⤵
PID:4864

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 372 -p 2612 -ip 2612
1⤵
PID:224

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/2612-1-0x0000000004620000-0x0000000004C78000-memory.dmp

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memory/2612-2-0x00000000044F0000-0x00000000044F1000-memory.dmp

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memory/2612-6-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/2612-12-0x0000000004620000-0x0000000004C78000-memory.dmp

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memory/3436-4-0x0000000000FE0000-0x0000000000FE6000-memory.dmp

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memory/3436-5-0x0000000000FE0000-0x0000000000FE6000-memory.dmp

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memory/3436-9-0x0000000001010000-0x0000000001016000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads