43ce1cb391cc7ab81e08985b05bf8a1f79262e6dc3f8176676c663da0c171907

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18/08/2024, 21:36

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General

Target
0a672ee4cfe227f1fd98a232b89c2c10N.exe
Size 237KB
Sample240818-1f1mjayflj
SHA256 43ce1cb391cc7ab81e08985b05bf8a1f79262e6dc3f8176676c663da0c171907
MD5 0a672ee4cfe227f1fd98a232b89c2c10
SHA1 5b4bc96dc9820f92b96cbe644ab804cc8bfc9ac2
SHA512 8f25c1813af51b953cc047d5b572625a330c683faff602eb4f632787a7770f29fe5ee4b82a4bd8df570f6619795b526c1cf797f51d7b685aa9c36d92d8bc7954
SSDEEP 6144:HA2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYQ:HATuTAnKGwUAWVycQqgj
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
3564	2832	WerFault.exe	98
4336	920	WerFault.exe	83

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	0a672ee4cfe227f1fd98a232b89c2c10N.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	3588	Explorer.EXE
Token: SeCreatePagefilePrivilege	3588	Explorer.EXE
Token: SeShutdownPrivilege	3588	Explorer.EXE
Token: SeCreatePagefilePrivilege	3588	Explorer.EXE

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2832	winver.exe
3588	Explorer.EXE
3588	Explorer.EXE
920	0a672ee4cfe227f1fd98a232b89c2c10N.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3588	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 920 wrote to memory of 2832	920	0a672ee4cfe227f1fd98a232b89c2c10N.exe	98
PID 920 wrote to memory of 2832	920	0a672ee4cfe227f1fd98a232b89c2c10N.exe	98
PID 920 wrote to memory of 2832	920	0a672ee4cfe227f1fd98a232b89c2c10N.exe	98
PID 920 wrote to memory of 2832	920	0a672ee4cfe227f1fd98a232b89c2c10N.exe	98
PID 2832 wrote to memory of 3588	2832	winver.exe	56
PID 920 wrote to memory of 3588	920	0a672ee4cfe227f1fd98a232b89c2c10N.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
PID:3588
- C:\Users\Admin\AppData\Local\Temp\0a672ee4cfe227f1fd98a232b89c2c10N.exe
  "C:\Users\Admin\AppData\Local\Temp\0a672ee4cfe227f1fd98a232b89c2c10N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:920
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2832
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2832 -s 300
      4⤵
      Program crash
      PID:3564
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 920 -s 808
    3⤵
    - Program crash
    PID:4336

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:668

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2832 -ip 2832
1⤵
PID:4932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 920 -ip 920
1⤵
PID:4352

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/920-1-0x0000000004370000-0x00000000049C8000-memory.dmp

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memory/920-2-0x00000000023A0000-0x00000000023A1000-memory.dmp

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memory/920-3-0x0000000004370000-0x00000000049C8000-memory.dmp

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memory/920-4-0x00000000023A0000-0x00000000023A1000-memory.dmp

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memory/920-5-0x00000000023A0000-0x00000000023A1000-memory.dmp

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memory/920-9-0x0000000000400000-0x000000000043F000-memory.dmp

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memory/920-15-0x0000000004370000-0x00000000049C8000-memory.dmp

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memory/3588-7-0x0000000002820000-0x0000000002826000-memory.dmp

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memory/3588-8-0x0000000002820000-0x0000000002826000-memory.dmp

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memory/3588-12-0x0000000002980000-0x0000000002986000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads