7c94ad3d6b3b172d118f674d7ee1f8c690ba3e35a529745464df2eff972a5ea8

Analysis

max time kernel
106s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03/08/2024, 03:00

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General

Target
3da94ea93f6f10f9b304e96813a865f0N.exe
Size 225KB
Sample240803-dhbpvswblc
SHA256 7c94ad3d6b3b172d118f674d7ee1f8c690ba3e35a529745464df2eff972a5ea8
MD5 3da94ea93f6f10f9b304e96813a865f0
SHA1 7648e3b0b2fb9c49f16a8b76a3e9e4131eac952a
SHA512 744ff83bc50d8aa5280426d2cf56e650fa89760ad284412bd9c96f47abdbd5282e266b03c98e5b3fafd90485684563d3fc0209623e6c56fc5e4ea322047ad6e9
SSDEEP 6144:JA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:JATuTAnKGwUAW3ycQqgf
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
3232	1860	WerFault.exe	87
3908	2372	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	3da94ea93f6f10f9b304e96813a865f0N.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
2372	3da94ea93f6f10f9b304e96813a865f0N.exe
2372	3da94ea93f6f10f9b304e96813a865f0N.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3488	Explorer.EXE
Token: SeCreatePagefilePrivilege	3488	Explorer.EXE
Token: SeShutdownPrivilege	3488	Explorer.EXE
Token: SeCreatePagefilePrivilege	3488	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1860	winver.exe
2372	3da94ea93f6f10f9b304e96813a865f0N.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 1860	2372	3da94ea93f6f10f9b304e96813a865f0N.exe	87
PID 2372 wrote to memory of 1860	2372	3da94ea93f6f10f9b304e96813a865f0N.exe	87
PID 2372 wrote to memory of 1860	2372	3da94ea93f6f10f9b304e96813a865f0N.exe	87
PID 2372 wrote to memory of 1860	2372	3da94ea93f6f10f9b304e96813a865f0N.exe	87
PID 1860 wrote to memory of 3488	1860	winver.exe	56
PID 2372 wrote to memory of 3488	2372	3da94ea93f6f10f9b304e96813a865f0N.exe	56
PID 2372 wrote to memory of 2544	2372	3da94ea93f6f10f9b304e96813a865f0N.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2544

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3488
- C:\Users\Admin\AppData\Local\Temp\3da94ea93f6f10f9b304e96813a865f0N.exe
  "C:\Users\Admin\AppData\Local\Temp\3da94ea93f6f10f9b304e96813a865f0N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2372
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:1860
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1860 -s 300
      4⤵
      Program crash
      PID:3232
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 976
    3⤵
    - Program crash
    PID:3908

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:3632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1860 -ip 1860
1⤵
PID:4060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 2372 -ip 2372
1⤵
PID:4644

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/2372-1-0x00000000045B0000-0x0000000004C08000-memory.dmp

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memory/2372-2-0x00000000026D0000-0x00000000026D1000-memory.dmp

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memory/2372-3-0x00000000045B0000-0x0000000004C08000-memory.dmp

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memory/2372-7-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/2372-10-0x00000000057C0000-0x00000000061C0000-memory.dmp

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memory/2372-15-0x00000000057C0000-0x00000000061C0000-memory.dmp

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memory/2372-18-0x00000000045B0000-0x0000000004C08000-memory.dmp

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memory/2544-13-0x0000000000D00000-0x0000000000D06000-memory.dmp

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memory/2544-19-0x0000000000D00000-0x0000000000D06000-memory.dmp

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memory/3488-5-0x0000000000F20000-0x0000000000F26000-memory.dmp

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memory/3488-6-0x0000000000F20000-0x0000000000F26000-memory.dmp

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memory/3488-11-0x0000000000F80000-0x0000000000F86000-memory.dmp

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