15fa86cb0fc2faac28d529529ba9e1688f43a87ca6c43e411e247eeafa6959ee

Resubmissions

03-09-2024 09:31

240903-lharkatamj 7

03-09-2024 09:22

240903-lbyj2stgpf 7

Analysis

max time kernel
63s
max time network
65s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03-09-2024 09:22

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General

Target

VANGUARD BYPASS.exe
Size

2.5MB
MD5

2473c143b9591080093561cd3fc42955
SHA1

3a65083c411edba6b7a5dcdb93a2bebcc410e95b
SHA256

89ee1cbd0ef4390b420dea55744487665d4bf7dcfa2c2597db2984dfad5dff1a
SHA512

ae599014de20c34d0b75d938f743dc443b37bbd5095ec4f24548f9cff5a08f48a7959eae0dea070cf5d43d6916a4affe8ff1d825f5d8ab2907f00a9df5a5c334
SSDEEP

49152:pXkQq9LDj26Mx1zrHvxx5qaXqQ7hsaNsRBt87lOpSJnQxnDNZGZ8VpDTU2:pXkQqxD8NrHxhXqosaNO8JOY+6OVlU

Score

7^/10

Malware Config

Signatures

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	VANGUARD BYPASS.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	VANGUARD BYPASS.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4720	VANGUARD BYPASS.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 4720 wrote to memory of 1784	4720	VANGUARD BYPASS.exe	87
PID 4720 wrote to memory of 1784	4720	VANGUARD BYPASS.exe	87
PID 1784 wrote to memory of 2964	1784	cmd.exe	90
PID 1784 wrote to memory of 2964	1784	cmd.exe	90
PID 1784 wrote to memory of 672	1784	cmd.exe	91
PID 1784 wrote to memory of 672	1784	cmd.exe	91
PID 1784 wrote to memory of 1876	1784	cmd.exe	92
PID 1784 wrote to memory of 1876	1784	cmd.exe	92
PID 4720 wrote to memory of 4256	4720	VANGUARD BYPASS.exe	93
PID 4720 wrote to memory of 4256	4720	VANGUARD BYPASS.exe	93
PID 4256 wrote to memory of 2740	4256	cmd.exe	94
PID 4256 wrote to memory of 2740	4256	cmd.exe	94
PID 4256 wrote to memory of 3644	4256	cmd.exe	95
PID 4256 wrote to memory of 3644	4256	cmd.exe	95
PID 4256 wrote to memory of 4384	4256	cmd.exe	96
PID 4256 wrote to memory of 4384	4256	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\VANGUARD BYPASS.exe
"C:\Users\Admin\AppData\Local\Temp\VANGUARD BYPASS.exe"
1⤵
- Checks BIOS information in registry
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:4720
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\VANGUARD BYPASS.exe" MD5 | find /i /v "md5" | find /i /v "certutil"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1784
- - C:\Windows\system32\certutil.exe
    certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\VANGUARD BYPASS.exe" MD5
    3⤵
    PID:2964
- - C:\Windows\system32\find.exe
    find /i /v "md5"
    3⤵
    PID:672
- - C:\Windows\system32\find.exe
    find /i /v "certutil"
    3⤵
    PID:1876
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c certutil -hashfile "test.txt" MD5 | find /i /v "md5" | find /i /v "certutil"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4256
- - C:\Windows\system32\certutil.exe
    certutil -hashfile "test.txt" MD5
    3⤵
    PID:2740
- - C:\Windows\system32\find.exe
    find /i /v "md5"
    3⤵
    PID:3644
- - C:\Windows\system32\find.exe
    find /i /v "certutil"
    3⤵
    PID:4384

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4720-0-0x00007FF6AE500000-0x00007FF6AEBCD000-memory.dmp

Filesize
6.8MB

Download
memory/4720-1-0x00007FF898C70000-0x00007FF898C72000-memory.dmp

Filesize
8KB

Download
memory/4720-5-0x00007FF6AE500000-0x00007FF6AEBCD000-memory.dmp

Filesize
6.8MB

Download