f1f19ef64872d98ad46bb05d0dc366e482d61fc11a518dff17cefefdfd977a17

Analysis

max time kernel
118s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13/11/2024, 21:36

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General

Target

f1f19ef64872d98ad46bb05d0dc366e482d61fc11a518dff17cefefdfd977a17.exe
Size

610KB
MD5

4e31c87b4f76a1359c3b8ff80d4af2b3
SHA1

76ef8a7753b858d63f8c210c4139db493f5262b1
SHA256

f1f19ef64872d98ad46bb05d0dc366e482d61fc11a518dff17cefefdfd977a17
SHA512

df0284baa5fec86ff315dfb5675c413fb7ff5a9941f4d352a02c83a3617d697219c02028a90ebfe2eb6e6721258f1f475befb26f55aa61a3f815c64abb8567c0
SSDEEP

12288:vATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+E:1T+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
376	2520	WerFault.exe	104
3012	4044	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	f1f19ef64872d98ad46bb05d0dc366e482d61fc11a518dff17cefefdfd977a17.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	3440	Explorer.EXE
Token: SeCreatePagefilePrivilege	3440	Explorer.EXE
Token: SeShutdownPrivilege	3440	Explorer.EXE
Token: SeCreatePagefilePrivilege	3440	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2520	winver.exe
4044	f1f19ef64872d98ad46bb05d0dc366e482d61fc11a518dff17cefefdfd977a17.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3440	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4044 wrote to memory of 2520	4044	f1f19ef64872d98ad46bb05d0dc366e482d61fc11a518dff17cefefdfd977a17.exe	104
PID 4044 wrote to memory of 2520	4044	f1f19ef64872d98ad46bb05d0dc366e482d61fc11a518dff17cefefdfd977a17.exe	104
PID 4044 wrote to memory of 2520	4044	f1f19ef64872d98ad46bb05d0dc366e482d61fc11a518dff17cefefdfd977a17.exe	104
PID 4044 wrote to memory of 2520	4044	f1f19ef64872d98ad46bb05d0dc366e482d61fc11a518dff17cefefdfd977a17.exe	104
PID 2520 wrote to memory of 3440	2520	winver.exe	56
PID 4044 wrote to memory of 3440	4044	f1f19ef64872d98ad46bb05d0dc366e482d61fc11a518dff17cefefdfd977a17.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3440
- C:\Users\Admin\AppData\Local\Temp\f1f19ef64872d98ad46bb05d0dc366e482d61fc11a518dff17cefefdfd977a17.exe
  "C:\Users\Admin\AppData\Local\Temp\f1f19ef64872d98ad46bb05d0dc366e482d61fc11a518dff17cefefdfd977a17.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4044
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2520
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2520 -s 300
      4⤵
      Program crash
      PID:376
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4044 -s 756
    3⤵
    - Program crash
    PID:3012

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 2520 -ip 2520
1⤵
PID:2248

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4044 -ip 4044
1⤵
PID:2068

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

Replay Monitor

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Downloads

memory/3440-8-0x0000000000A40000-0x0000000000A46000-memory.dmp

Filesize
24KB

Download
memory/3440-9-0x0000000000A40000-0x0000000000A46000-memory.dmp

Filesize
24KB

Download
memory/3440-13-0x0000000002420000-0x0000000002426000-memory.dmp

Filesize
24KB

Download
memory/4044-1-0x0000000004600000-0x0000000004C58000-memory.dmp

Filesize
6.3MB

Download
memory/4044-2-0x00000000023A0000-0x00000000023A1000-memory.dmp

Filesize
4KB

Download
memory/4044-3-0x0000000004600000-0x0000000004C58000-memory.dmp

Filesize
6.3MB

Download
memory/4044-4-0x00000000023A0000-0x00000000023A1000-memory.dmp

Filesize
4KB

Download
memory/4044-5-0x00000000023A0000-0x00000000023A1000-memory.dmp

Filesize
4KB

Download
memory/4044-6-0x00000000023A0000-0x00000000023A1000-memory.dmp

Filesize
4KB

Download
memory/4044-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4044-16-0x0000000004600000-0x0000000004C58000-memory.dmp

Filesize
6.3MB

Download