3a75fdf4ebd7ef4b435f79a2865353112b63ffee4e747878c751d40fe26b5d1b

Analysis

max time kernel
111s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2024 07:11

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General

Target

3a75fdf4ebd7ef4b435f79a2865353112b63ffee4e747878c751d40fe26b5d1bN.exe
Size

610KB
MD5

a7118906383a4d99247b2c4e0280f3e0
SHA1

14ee7d994672149d377e238ddd0d07597e249416
SHA256

3a75fdf4ebd7ef4b435f79a2865353112b63ffee4e747878c751d40fe26b5d1b
SHA512

b041740132f99c1d18029202896ceb4a7833b01fd9f325d82d202bc16f6f21f4e39747c167c1e20e13015967f5f241130e805310c20c42f17dda1540f39e97ef
SSDEEP

12288:OATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+E:gT+KjUdQqboyyWoK1NGqzuhx

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
2512	4220	WerFault.exe	93
4164	3124	WerFault.exe	81

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	3a75fdf4ebd7ef4b435f79a2865353112b63ffee4e747878c751d40fe26b5d1bN.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 use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3572	Explorer.EXE
Token: SeCreatePagefilePrivilege	3572	Explorer.EXE
Token: SeShutdownPrivilege	3572	Explorer.EXE
Token: SeCreatePagefilePrivilege	3572	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4220	winver.exe
3124	3a75fdf4ebd7ef4b435f79a2865353112b63ffee4e747878c751d40fe26b5d1bN.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3124 wrote to memory of 4220	3124	3a75fdf4ebd7ef4b435f79a2865353112b63ffee4e747878c751d40fe26b5d1bN.exe	93
PID 3124 wrote to memory of 4220	3124	3a75fdf4ebd7ef4b435f79a2865353112b63ffee4e747878c751d40fe26b5d1bN.exe	93
PID 3124 wrote to memory of 4220	3124	3a75fdf4ebd7ef4b435f79a2865353112b63ffee4e747878c751d40fe26b5d1bN.exe	93
PID 3124 wrote to memory of 4220	3124	3a75fdf4ebd7ef4b435f79a2865353112b63ffee4e747878c751d40fe26b5d1bN.exe	93
PID 4220 wrote to memory of 3572	4220	winver.exe	56
PID 3124 wrote to memory of 3572	3124	3a75fdf4ebd7ef4b435f79a2865353112b63ffee4e747878c751d40fe26b5d1bN.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3572
- C:\Users\Admin\AppData\Local\Temp\3a75fdf4ebd7ef4b435f79a2865353112b63ffee4e747878c751d40fe26b5d1bN.exe
  "C:\Users\Admin\AppData\Local\Temp\3a75fdf4ebd7ef4b435f79a2865353112b63ffee4e747878c751d40fe26b5d1bN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3124
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4220
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4220 -s 308
      4⤵
      Program crash
      PID:2512
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3124 -s 904
    3⤵
    - Program crash
    PID:4164

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:4288

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4220 -ip 4220
1⤵
PID:3836

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3124 -ip 3124
1⤵
PID:376

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/3124-1-0x00000000046D0000-0x0000000004D28000-memory.dmp

Filesize
6.3MB

Download
memory/3124-2-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/3124-3-0x00000000046D0000-0x0000000004D28000-memory.dmp

Filesize
6.3MB

Download
memory/3124-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3124-13-0x00000000046D0000-0x0000000004D28000-memory.dmp

Filesize
6.3MB

Download
memory/3572-6-0x0000000002360000-0x0000000002366000-memory.dmp

Filesize
24KB

Download
memory/3572-5-0x0000000002360000-0x0000000002366000-memory.dmp

Filesize
24KB

Download
memory/3572-10-0x00000000023A0000-0x00000000023A6000-memory.dmp

Filesize
24KB

Download