4bf30663931ed8cf8932fa6078e86fbd4f4ae2eaec45b40f6c9c41d6e31621ca

Analysis

max time kernel
107s
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
11-12-2024 09:49

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General

Target

4bf30663931ed8cf8932fa6078e86fbd4f4ae2eaec45b40f6c9c41d6e31621caN.exe
Size

225KB
MD5

bd23aca8604bd9db19988b63cb93c280
SHA1

7f6b8042adfdadc73c921954bef8af624c79a9c8
SHA256

4bf30663931ed8cf8932fa6078e86fbd4f4ae2eaec45b40f6c9c41d6e31621ca
SHA512

3544fb8206dbceb7569ed480753bdaf402c5efdc1c032098e2bcb1b6a9640600f3ea152b9a93810158b77fa4699c0b2cb1d0b712228c90682c8043c17e0f9dcc
SSDEEP

6144:YA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:YATuTAnKGwUAW3ycQqgf

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
4836	4904	WerFault.exe	93
2624	1964	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	4bf30663931ed8cf8932fa6078e86fbd4f4ae2eaec45b40f6c9c41d6e31621caN.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	3500	Explorer.EXE
Token: SeCreatePagefilePrivilege	3500	Explorer.EXE
Token: SeShutdownPrivilege	3500	Explorer.EXE
Token: SeCreatePagefilePrivilege	3500	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4904	winver.exe
1964	4bf30663931ed8cf8932fa6078e86fbd4f4ae2eaec45b40f6c9c41d6e31621caN.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1964 wrote to memory of 4904	1964	4bf30663931ed8cf8932fa6078e86fbd4f4ae2eaec45b40f6c9c41d6e31621caN.exe	93
PID 1964 wrote to memory of 4904	1964	4bf30663931ed8cf8932fa6078e86fbd4f4ae2eaec45b40f6c9c41d6e31621caN.exe	93
PID 1964 wrote to memory of 4904	1964	4bf30663931ed8cf8932fa6078e86fbd4f4ae2eaec45b40f6c9c41d6e31621caN.exe	93
PID 1964 wrote to memory of 4904	1964	4bf30663931ed8cf8932fa6078e86fbd4f4ae2eaec45b40f6c9c41d6e31621caN.exe	93
PID 4904 wrote to memory of 3500	4904	winver.exe	56
PID 1964 wrote to memory of 3500	1964	4bf30663931ed8cf8932fa6078e86fbd4f4ae2eaec45b40f6c9c41d6e31621caN.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3500
- C:\Users\Admin\AppData\Local\Temp\4bf30663931ed8cf8932fa6078e86fbd4f4ae2eaec45b40f6c9c41d6e31621caN.exe
  "C:\Users\Admin\AppData\Local\Temp\4bf30663931ed8cf8932fa6078e86fbd4f4ae2eaec45b40f6c9c41d6e31621caN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1964
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4904
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4904 -s 300
      4⤵
      Program crash
      PID:4836
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1964 -s 860
    3⤵
    - Program crash
    PID:2624

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:1952

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4904 -ip 4904
1⤵
PID:1380

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 1964 -ip 1964
1⤵
PID:708

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/1964-1-0x0000000004640000-0x0000000004C98000-memory.dmp

Filesize
6.3MB

Download
memory/1964-2-0x0000000003C80000-0x0000000003C81000-memory.dmp

Filesize
4KB

Download
memory/1964-3-0x0000000004640000-0x0000000004C98000-memory.dmp

Filesize
6.3MB

Download
memory/1964-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1964-13-0x0000000004640000-0x0000000004C98000-memory.dmp

Filesize
6.3MB

Download
memory/3500-6-0x0000000000830000-0x0000000000836000-memory.dmp

Filesize
24KB

Download
memory/3500-5-0x0000000000830000-0x0000000000836000-memory.dmp

Filesize
24KB

Download
memory/3500-10-0x00000000008D0000-0x00000000008D6000-memory.dmp

Filesize
24KB

Download