ac3dcfcaf9e92e89e51b3670065b9c2259713fecce476e5991bcbe50dd1c7458

Analysis

max time kernel
119s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2024 07:15

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General

Target

ac3dcfcaf9e92e89e51b3670065b9c2259713fecce476e5991bcbe50dd1c7458.exe
Size

610KB
MD5

15b432ef7474d6a4b5fa15585c02fc9e
SHA1

b24e5ef2b289b9cc8b4dd9ac18f89cc0d05b0720
SHA256

ac3dcfcaf9e92e89e51b3670065b9c2259713fecce476e5991bcbe50dd1c7458
SHA512

c18b69768c2373505fb1a0ef44841641af5b699e86be69409a18cbab21fcd007ace603cd08273945174474f9e47c6de682a9f48022bba080a44648c077eb0177
SSDEEP

12288:iATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:cT+KjUdQqboyyWoK1NGqzuhb

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
1820	4008	WerFault.exe	93
1292	4780	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	ac3dcfcaf9e92e89e51b3670065b9c2259713fecce476e5991bcbe50dd1c7458.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	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
4008	winver.exe
4780	ac3dcfcaf9e92e89e51b3670065b9c2259713fecce476e5991bcbe50dd1c7458.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4780 wrote to memory of 4008	4780	ac3dcfcaf9e92e89e51b3670065b9c2259713fecce476e5991bcbe50dd1c7458.exe	93
PID 4780 wrote to memory of 4008	4780	ac3dcfcaf9e92e89e51b3670065b9c2259713fecce476e5991bcbe50dd1c7458.exe	93
PID 4780 wrote to memory of 4008	4780	ac3dcfcaf9e92e89e51b3670065b9c2259713fecce476e5991bcbe50dd1c7458.exe	93
PID 4780 wrote to memory of 4008	4780	ac3dcfcaf9e92e89e51b3670065b9c2259713fecce476e5991bcbe50dd1c7458.exe	93
PID 4008 wrote to memory of 3488	4008	winver.exe	56
PID 4780 wrote to memory of 3488	4780	ac3dcfcaf9e92e89e51b3670065b9c2259713fecce476e5991bcbe50dd1c7458.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3488
- C:\Users\Admin\AppData\Local\Temp\ac3dcfcaf9e92e89e51b3670065b9c2259713fecce476e5991bcbe50dd1c7458.exe
  "C:\Users\Admin\AppData\Local\Temp\ac3dcfcaf9e92e89e51b3670065b9c2259713fecce476e5991bcbe50dd1c7458.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4780
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4008
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4008 -s 300
      4⤵
      Program crash
      PID:1820
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4780 -s 864
    3⤵
    - Program crash
    PID:1292

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:4748

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 4008 -ip 4008
1⤵
PID:3200

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4780 -ip 4780
1⤵
PID:3508

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/3488-4-0x0000000002CC0000-0x0000000002CC6000-memory.dmp

Filesize
24KB

Download
memory/3488-5-0x0000000002CC0000-0x0000000002CC6000-memory.dmp

Filesize
24KB

Download
memory/3488-9-0x0000000002D00000-0x0000000002D06000-memory.dmp

Filesize
24KB

Download
memory/4780-1-0x00000000046E0000-0x0000000004D38000-memory.dmp

Filesize
6.3MB

Download
memory/4780-2-0x0000000003D90000-0x0000000003D91000-memory.dmp

Filesize
4KB

Download
memory/4780-6-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4780-12-0x00000000046E0000-0x0000000004D38000-memory.dmp

Filesize
6.3MB

Download