c51afb077f9cc2438fb270dff84be123647d20db4e5c21087eea441d63b34c11

Analysis

max time kernel
146s
max time network
123s
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, 03:23

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General

Target

c51afb077f9cc2438fb270dff84be123647d20db4e5c21087eea441d63b34c11.exe
Size

225KB
MD5

8f399ddae78725c3b3a7bca4437ad1b5
SHA1

7868578358c1763474cab810b417016dfc245fd4
SHA256

c51afb077f9cc2438fb270dff84be123647d20db4e5c21087eea441d63b34c11
SHA512

3ac25140e654a9e7f904396df5e6814cd8bf6ce2acd2ac2f2daa8bab37e990b35ffc7e87376b41ac21f8cda0fcdaa0efdeaa2c3310669d328756760af061287a
SSDEEP

6144:2A2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:2ATuTAnKGwUAW3ycQqgf

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
3172	3536	WerFault.exe	92
852	4540	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 use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3460	Explorer.EXE
Token: SeCreatePagefilePrivilege	3460	Explorer.EXE
Token: SeShutdownPrivilege	3460	Explorer.EXE
Token: SeCreatePagefilePrivilege	3460	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3536	winver.exe
4540	c51afb077f9cc2438fb270dff84be123647d20db4e5c21087eea441d63b34c11.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4540 wrote to memory of 3536	4540	c51afb077f9cc2438fb270dff84be123647d20db4e5c21087eea441d63b34c11.exe	92
PID 4540 wrote to memory of 3536	4540	c51afb077f9cc2438fb270dff84be123647d20db4e5c21087eea441d63b34c11.exe	92
PID 4540 wrote to memory of 3536	4540	c51afb077f9cc2438fb270dff84be123647d20db4e5c21087eea441d63b34c11.exe	92
PID 4540 wrote to memory of 3536	4540	c51afb077f9cc2438fb270dff84be123647d20db4e5c21087eea441d63b34c11.exe	92
PID 3536 wrote to memory of 3460	3536	winver.exe	56
PID 4540 wrote to memory of 3460	4540	c51afb077f9cc2438fb270dff84be123647d20db4e5c21087eea441d63b34c11.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3460
- C:\Users\Admin\AppData\Local\Temp\c51afb077f9cc2438fb270dff84be123647d20db4e5c21087eea441d63b34c11.exe
  "C:\Users\Admin\AppData\Local\Temp\c51afb077f9cc2438fb270dff84be123647d20db4e5c21087eea441d63b34c11.exe"
  2⤵
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4540
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:3536
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3536 -s 300
      4⤵
      Program crash
      PID:3172
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4540 -s 880
    3⤵
    - Program crash
    PID:852

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:2032

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3536 -ip 3536
1⤵
PID:4616

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4540 -ip 4540
1⤵
PID:1900

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/3460-4-0x00000000013F0000-0x00000000013F6000-memory.dmp

Filesize
24KB

Download
memory/3460-5-0x00000000013F0000-0x00000000013F6000-memory.dmp

Filesize
24KB

Download
memory/3460-9-0x0000000001500000-0x0000000001506000-memory.dmp

Filesize
24KB

Download
memory/4540-1-0x00000000046B0000-0x0000000004D08000-memory.dmp

Filesize
6.3MB

Download
memory/4540-2-0x0000000003D50000-0x0000000003D51000-memory.dmp

Filesize
4KB

Download
memory/4540-6-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4540-12-0x00000000046B0000-0x0000000004D08000-memory.dmp

Filesize
6.3MB

Download