e1626db7545ed4c5faf3fbcd9a57ba3a11d1583801b7a3f50199763d3314a048

Analysis

max time kernel
106s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30/09/2024, 03:30

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General

Target
e1626db7545ed4c5faf3fbcd9a57ba3a11d1583801b7a3f50199763d3314a048N.exe
Size 225KB
Sample240930-d2ssgswbjp
SHA256 e1626db7545ed4c5faf3fbcd9a57ba3a11d1583801b7a3f50199763d3314a048
MD5 64cce70f18d6f1078e7df090ca199660
SHA1 b2c74c2e339f5ca5bd5833f55b7b2f019e4acdd5
SHA512 d55139e2ead60312e6377ed52ee9a21a1e8310d7900337dff80740ed6b5fd897aa825982502a4de3c64c9ce7314163c81ed7585177a477e40a0f93ae25271836
SSDEEP 6144:8A2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:8ATuTAnKGwUAW3ycQqgf
MD5 SHA1 SHA512 SSDEEP

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
1268	2936	WerFault.exe	93
3592	844	WerFault.exe	80

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	e1626db7545ed4c5faf3fbcd9a57ba3a11d1583801b7a3f50199763d3314a048N.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
844	e1626db7545ed4c5faf3fbcd9a57ba3a11d1583801b7a3f50199763d3314a048N.exe
844	e1626db7545ed4c5faf3fbcd9a57ba3a11d1583801b7a3f50199763d3314a048N.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3524	Explorer.EXE
Token: SeCreatePagefilePrivilege	3524	Explorer.EXE
Token: SeShutdownPrivilege	3524	Explorer.EXE
Token: SeCreatePagefilePrivilege	3524	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2936	winver.exe
844	e1626db7545ed4c5faf3fbcd9a57ba3a11d1583801b7a3f50199763d3314a048N.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 844 wrote to memory of 2936	844	e1626db7545ed4c5faf3fbcd9a57ba3a11d1583801b7a3f50199763d3314a048N.exe	93
PID 844 wrote to memory of 2936	844	e1626db7545ed4c5faf3fbcd9a57ba3a11d1583801b7a3f50199763d3314a048N.exe	93
PID 844 wrote to memory of 2936	844	e1626db7545ed4c5faf3fbcd9a57ba3a11d1583801b7a3f50199763d3314a048N.exe	93
PID 844 wrote to memory of 2936	844	e1626db7545ed4c5faf3fbcd9a57ba3a11d1583801b7a3f50199763d3314a048N.exe	93
PID 2936 wrote to memory of 3524	2936	winver.exe	56
PID 844 wrote to memory of 3524	844	e1626db7545ed4c5faf3fbcd9a57ba3a11d1583801b7a3f50199763d3314a048N.exe	56
PID 844 wrote to memory of 2560	844	e1626db7545ed4c5faf3fbcd9a57ba3a11d1583801b7a3f50199763d3314a048N.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2560

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3524
- C:\Users\Admin\AppData\Local\Temp\e1626db7545ed4c5faf3fbcd9a57ba3a11d1583801b7a3f50199763d3314a048N.exe
  "C:\Users\Admin\AppData\Local\Temp\e1626db7545ed4c5faf3fbcd9a57ba3a11d1583801b7a3f50199763d3314a048N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:844
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2936
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2936 -s 300
      4⤵
      Program crash
      PID:1268
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 844 -s 812
    3⤵
    - Program crash
    PID:3592

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:3728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2936 -ip 2936
1⤵
PID:4696

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 844 -ip 844
1⤵
PID:3904

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/844-12-0x0000000005A70000-0x0000000006470000-memory.dmp

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memory/844-21-0x0000000004560000-0x0000000004BB8000-memory.dmp

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memory/844-3-0x0000000004560000-0x0000000004BB8000-memory.dmp

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memory/844-4-0x00000000044E0000-0x00000000044E1000-memory.dmp

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memory/844-5-0x00000000044E0000-0x00000000044E1000-memory.dmp

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memory/844-9-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/844-17-0x0000000005A70000-0x0000000006470000-memory.dmp

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memory/844-1-0x0000000004560000-0x0000000004BB8000-memory.dmp

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memory/844-2-0x00000000044E0000-0x00000000044E1000-memory.dmp

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memory/2560-16-0x00000000006F0000-0x00000000006F6000-memory.dmp

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memory/2560-22-0x00000000006F0000-0x00000000006F6000-memory.dmp

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memory/3524-8-0x0000000000AA0000-0x0000000000AA6000-memory.dmp

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memory/3524-13-0x0000000000AF0000-0x0000000000AF6000-memory.dmp

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memory/3524-7-0x0000000000AA0000-0x0000000000AA6000-memory.dmp

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