b4e26c2bb5c44b64d5a3a9b142189e1aaded861e6ec1a4f88432a53213619b97

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02-10-2024 14:27

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General

Target

b4e26c2bb5c44b64d5a3a9b142189e1aaded861e6ec1a4f88432a53213619b97N.exe
Size

225KB
MD5

576b598102a8a90a7c4af096cef75910
SHA1

315042a1016a3702fed3b681f4f90eacb3e39d85
SHA256

b4e26c2bb5c44b64d5a3a9b142189e1aaded861e6ec1a4f88432a53213619b97
SHA512

5a91bfeec4495cda3e5c9ca039f782f744d4949b7599bea165d46fc70d9e0a9c60098fa5a1de5d4b2878cccfd3dd2f00901d8a22d4704d73bb6d56b6c583e103
SSDEEP

6144:TA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:TATuTAnKGwUAW3ycQqgf

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
2468	1856	WerFault.exe	93
2760	5060	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	b4e26c2bb5c44b64d5a3a9b142189e1aaded861e6ec1a4f88432a53213619b97N.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	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE
Token: SeShutdownPrivilege	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1856	winver.exe
5060	b4e26c2bb5c44b64d5a3a9b142189e1aaded861e6ec1a4f88432a53213619b97N.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5060 wrote to memory of 1856	5060	b4e26c2bb5c44b64d5a3a9b142189e1aaded861e6ec1a4f88432a53213619b97N.exe	93
PID 5060 wrote to memory of 1856	5060	b4e26c2bb5c44b64d5a3a9b142189e1aaded861e6ec1a4f88432a53213619b97N.exe	93
PID 5060 wrote to memory of 1856	5060	b4e26c2bb5c44b64d5a3a9b142189e1aaded861e6ec1a4f88432a53213619b97N.exe	93
PID 5060 wrote to memory of 1856	5060	b4e26c2bb5c44b64d5a3a9b142189e1aaded861e6ec1a4f88432a53213619b97N.exe	93
PID 1856 wrote to memory of 3528	1856	winver.exe	56
PID 5060 wrote to memory of 3528	5060	b4e26c2bb5c44b64d5a3a9b142189e1aaded861e6ec1a4f88432a53213619b97N.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3528
- C:\Users\Admin\AppData\Local\Temp\b4e26c2bb5c44b64d5a3a9b142189e1aaded861e6ec1a4f88432a53213619b97N.exe
  "C:\Users\Admin\AppData\Local\Temp\b4e26c2bb5c44b64d5a3a9b142189e1aaded861e6ec1a4f88432a53213619b97N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:5060
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:1856
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1856 -s 300
      4⤵
      Program crash
      PID:2468
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5060 -s 860
    3⤵
    - Program crash
    PID:2760

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:5004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 1856 -ip 1856
1⤵
PID:3468

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 5060 -ip 5060
1⤵
PID:3708

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/3528-4-0x0000000001030000-0x0000000001036000-memory.dmp

Filesize
24KB

Download
memory/3528-5-0x0000000001030000-0x0000000001036000-memory.dmp

Filesize
24KB

Download
memory/3528-9-0x00000000010F0000-0x00000000010F6000-memory.dmp

Filesize
24KB

Download
memory/5060-1-0x0000000004610000-0x0000000004C68000-memory.dmp

Filesize
6.3MB

Download
memory/5060-2-0x00000000044D0000-0x00000000044D1000-memory.dmp

Filesize
4KB

Download
memory/5060-6-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/5060-12-0x0000000004610000-0x0000000004C68000-memory.dmp

Filesize
6.3MB

Download