4255ab23a38b4b45c3e96b5394f53e133526f06cefaf86ea6bbbe9366c1ba840

Analysis

max time kernel
119s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-12-2024 04:03

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General

Target

4255ab23a38b4b45c3e96b5394f53e133526f06cefaf86ea6bbbe9366c1ba840N.exe
Size

610KB
MD5

aad1fa8d992077456ca89abe5d382010
SHA1

147947550010a5a27ad98746c9543859df6268b4
SHA256

4255ab23a38b4b45c3e96b5394f53e133526f06cefaf86ea6bbbe9366c1ba840
SHA512

a3a21fbde565b5ea70603d480005a8feb9dcf46b1de0387149a3f047702094ddafdd175f4ecc379c1f9fbae8cdd5d1c3bf16150e94dd3e3d688752e2e6ffdc2e
SSDEEP

12288:sATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+E:CT+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
4300	4052	WerFault.exe	93
2232	212	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	4255ab23a38b4b45c3e96b5394f53e133526f06cefaf86ea6bbbe9366c1ba840N.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
4052	winver.exe
212	4255ab23a38b4b45c3e96b5394f53e133526f06cefaf86ea6bbbe9366c1ba840N.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 212 wrote to memory of 4052	212	4255ab23a38b4b45c3e96b5394f53e133526f06cefaf86ea6bbbe9366c1ba840N.exe	93
PID 212 wrote to memory of 4052	212	4255ab23a38b4b45c3e96b5394f53e133526f06cefaf86ea6bbbe9366c1ba840N.exe	93
PID 212 wrote to memory of 4052	212	4255ab23a38b4b45c3e96b5394f53e133526f06cefaf86ea6bbbe9366c1ba840N.exe	93
PID 212 wrote to memory of 4052	212	4255ab23a38b4b45c3e96b5394f53e133526f06cefaf86ea6bbbe9366c1ba840N.exe	93
PID 4052 wrote to memory of 3500	4052	winver.exe	56
PID 212 wrote to memory of 3500	212	4255ab23a38b4b45c3e96b5394f53e133526f06cefaf86ea6bbbe9366c1ba840N.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3500
- C:\Users\Admin\AppData\Local\Temp\4255ab23a38b4b45c3e96b5394f53e133526f06cefaf86ea6bbbe9366c1ba840N.exe
  "C:\Users\Admin\AppData\Local\Temp\4255ab23a38b4b45c3e96b5394f53e133526f06cefaf86ea6bbbe9366c1ba840N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:212
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4052
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4052 -s 300
      4⤵
      Program crash
      PID:4300
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 212 -s 728
    3⤵
    - Program crash
    PID:2232

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:3016

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4052 -ip 4052
1⤵
PID:2308

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 212 -ip 212
1⤵
PID:2584

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/212-7-0x0000000003DC0000-0x0000000003DC1000-memory.dmp

Filesize
4KB

Download
memory/212-2-0x0000000003DC0000-0x0000000003DC1000-memory.dmp

Filesize
4KB

Download
memory/212-3-0x0000000004650000-0x0000000004CA8000-memory.dmp

Filesize
6.3MB

Download
memory/212-4-0x0000000003DC0000-0x0000000003DC1000-memory.dmp

Filesize
4KB

Download
memory/212-5-0x0000000003DC0000-0x0000000003DC1000-memory.dmp

Filesize
4KB

Download
memory/212-6-0x0000000003DC0000-0x0000000003DC1000-memory.dmp

Filesize
4KB

Download
memory/212-1-0x0000000004650000-0x0000000004CA8000-memory.dmp

Filesize
6.3MB

Download
memory/212-8-0x0000000003DC0000-0x0000000003DC1000-memory.dmp

Filesize
4KB

Download
memory/212-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/212-18-0x0000000004650000-0x0000000004CA8000-memory.dmp

Filesize
6.3MB

Download
memory/3500-10-0x0000000001530000-0x0000000001536000-memory.dmp

Filesize
24KB

Download
memory/3500-11-0x0000000001530000-0x0000000001536000-memory.dmp

Filesize
24KB

Download
memory/3500-15-0x0000000001640000-0x0000000001646000-memory.dmp

Filesize
24KB

Download