b8f274e0d3c3a9af9d3006a91376fef4a4c6058fecee6a7c48e98dd27992a961

Analysis

max time kernel
114s
max time network
115s
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 10:27

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General

Target

b8f274e0d3c3a9af9d3006a91376fef4a4c6058fecee6a7c48e98dd27992a961.exe
Size

610KB
MD5

f8b2cc4e785b1f3d4696f70e0ea8a728
SHA1

6e509f679269eccb4a0c79ea83f92a42044e8357
SHA256

b8f274e0d3c3a9af9d3006a91376fef4a4c6058fecee6a7c48e98dd27992a961
SHA512

aeefebb4c9d6e4c6d39397742fcbe2b47231d536c1423c055ff22da68ff0a15924daec15a42c08f2b90c338ef53af9a27935c89f46c2fe89bf86f10dcd81290b
SSDEEP

12288:OATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:gT+KjUdQqboyyWoK1NGqzuhD

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
2744	2116	WerFault.exe	102
2812	1320	WerFault.exe	82

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	b8f274e0d3c3a9af9d3006a91376fef4a4c6058fecee6a7c48e98dd27992a961.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	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2116	winver.exe
1320	b8f274e0d3c3a9af9d3006a91376fef4a4c6058fecee6a7c48e98dd27992a961.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1320 wrote to memory of 2116	1320	b8f274e0d3c3a9af9d3006a91376fef4a4c6058fecee6a7c48e98dd27992a961.exe	102
PID 1320 wrote to memory of 2116	1320	b8f274e0d3c3a9af9d3006a91376fef4a4c6058fecee6a7c48e98dd27992a961.exe	102
PID 1320 wrote to memory of 2116	1320	b8f274e0d3c3a9af9d3006a91376fef4a4c6058fecee6a7c48e98dd27992a961.exe	102
PID 1320 wrote to memory of 2116	1320	b8f274e0d3c3a9af9d3006a91376fef4a4c6058fecee6a7c48e98dd27992a961.exe	102
PID 2116 wrote to memory of 3452	2116	winver.exe	56
PID 1320 wrote to memory of 3452	1320	b8f274e0d3c3a9af9d3006a91376fef4a4c6058fecee6a7c48e98dd27992a961.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3452
- C:\Users\Admin\AppData\Local\Temp\b8f274e0d3c3a9af9d3006a91376fef4a4c6058fecee6a7c48e98dd27992a961.exe
  "C:\Users\Admin\AppData\Local\Temp\b8f274e0d3c3a9af9d3006a91376fef4a4c6058fecee6a7c48e98dd27992a961.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1320
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2116
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2116 -s 300
      4⤵
      Program crash
      PID:2744
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1320 -s 864
    3⤵
    - Program crash
    PID:2812

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:3156

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2116 -ip 2116
1⤵
PID:1608

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1320 -ip 1320
1⤵
PID:4480

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/1320-1-0x00000000046B0000-0x0000000004D08000-memory.dmp

Filesize
6.3MB

Download
memory/1320-2-0x00000000023E0000-0x00000000023E1000-memory.dmp

Filesize
4KB

Download
memory/1320-3-0x00000000046B0000-0x0000000004D08000-memory.dmp

Filesize
6.3MB

Download
memory/1320-4-0x00000000023E0000-0x00000000023E1000-memory.dmp

Filesize
4KB

Download
memory/1320-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1320-15-0x00000000046B0000-0x0000000004D08000-memory.dmp

Filesize
6.3MB

Download
memory/3452-7-0x0000000001030000-0x0000000001036000-memory.dmp

Filesize
24KB

Download
memory/3452-6-0x0000000001030000-0x0000000001036000-memory.dmp

Filesize
24KB

Download
memory/3452-12-0x0000000001040000-0x0000000001046000-memory.dmp

Filesize
24KB

Download