c0293abefd2ee4e144a10062846ab8458f4a5b5b459ff8c886f518fe963eacb3

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 04:21

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General

Target

27f04af9e2439d69f75fbcfab5f47d84.exe
Size

12.3MB
MD5

27f04af9e2439d69f75fbcfab5f47d84
SHA1

a9f190ed02cb933f119003bbe031f52a222dac1c
SHA256

c0293abefd2ee4e144a10062846ab8458f4a5b5b459ff8c886f518fe963eacb3
SHA512

0fc74465cac9f1d5cd326cc4f88e1d07ee387bb7c47b7a101fabbde85cb3e1110f17ab794b0f9198a622d292e3f4e4e70b579cdfdb69f10b552180bc20e73ed6
SSDEEP

393216:/Ji1nS3VSC0aQ79LY6bhhEVdn/264TbCioHuk:xISP0rBnkRECioHT

Score

7^/10

bootkit persistence vmprotect

Malware Config

Signatures

VMProtect packed file 3 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral2/memory/3716-2-0x0000000000400000-0x0000000001B55000-memory.dmp	vmprotect
behavioral2/memory/3716-9-0x0000000000400000-0x0000000001B55000-memory.dmp	vmprotect
behavioral2/memory/3716-15-0x0000000000400000-0x0000000001B55000-memory.dmp	vmprotect

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	27f04af9e2439d69f75fbcfab5f47d84.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3716	27f04af9e2439d69f75fbcfab5f47d84.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3716	27f04af9e2439d69f75fbcfab5f47d84.exe
3716	27f04af9e2439d69f75fbcfab5f47d84.exe
3716	27f04af9e2439d69f75fbcfab5f47d84.exe
3716	27f04af9e2439d69f75fbcfab5f47d84.exe

Suspicious use of AdjustPrivilegeToken 42 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4612	wmic.exe
Token: SeSecurityPrivilege	4612	wmic.exe
Token: SeTakeOwnershipPrivilege	4612	wmic.exe
Token: SeLoadDriverPrivilege	4612	wmic.exe
Token: SeSystemProfilePrivilege	4612	wmic.exe
Token: SeSystemtimePrivilege	4612	wmic.exe
Token: SeProfSingleProcessPrivilege	4612	wmic.exe
Token: SeIncBasePriorityPrivilege	4612	wmic.exe
Token: SeCreatePagefilePrivilege	4612	wmic.exe
Token: SeBackupPrivilege	4612	wmic.exe
Token: SeRestorePrivilege	4612	wmic.exe
Token: SeShutdownPrivilege	4612	wmic.exe
Token: SeDebugPrivilege	4612	wmic.exe
Token: SeSystemEnvironmentPrivilege	4612	wmic.exe
Token: SeRemoteShutdownPrivilege	4612	wmic.exe
Token: SeUndockPrivilege	4612	wmic.exe
Token: SeManageVolumePrivilege	4612	wmic.exe
Token: 33	4612	wmic.exe
Token: 34	4612	wmic.exe
Token: 35	4612	wmic.exe
Token: 36	4612	wmic.exe
Token: SeIncreaseQuotaPrivilege	4612	wmic.exe
Token: SeSecurityPrivilege	4612	wmic.exe
Token: SeTakeOwnershipPrivilege	4612	wmic.exe
Token: SeLoadDriverPrivilege	4612	wmic.exe
Token: SeSystemProfilePrivilege	4612	wmic.exe
Token: SeSystemtimePrivilege	4612	wmic.exe
Token: SeProfSingleProcessPrivilege	4612	wmic.exe
Token: SeIncBasePriorityPrivilege	4612	wmic.exe
Token: SeCreatePagefilePrivilege	4612	wmic.exe
Token: SeBackupPrivilege	4612	wmic.exe
Token: SeRestorePrivilege	4612	wmic.exe
Token: SeShutdownPrivilege	4612	wmic.exe
Token: SeDebugPrivilege	4612	wmic.exe
Token: SeSystemEnvironmentPrivilege	4612	wmic.exe
Token: SeRemoteShutdownPrivilege	4612	wmic.exe
Token: SeUndockPrivilege	4612	wmic.exe
Token: SeManageVolumePrivilege	4612	wmic.exe
Token: 33	4612	wmic.exe
Token: 34	4612	wmic.exe
Token: 35	4612	wmic.exe
Token: 36	4612	wmic.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3716	27f04af9e2439d69f75fbcfab5f47d84.exe
3716	27f04af9e2439d69f75fbcfab5f47d84.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3716 wrote to memory of 4612	3716	27f04af9e2439d69f75fbcfab5f47d84.exe	92
PID 3716 wrote to memory of 4612	3716	27f04af9e2439d69f75fbcfab5f47d84.exe	92
PID 3716 wrote to memory of 4612	3716	27f04af9e2439d69f75fbcfab5f47d84.exe	92

C:\Users\Admin\AppData\Local\Temp\27f04af9e2439d69f75fbcfab5f47d84.exe
"C:\Users\Admin\AppData\Local\Temp\27f04af9e2439d69f75fbcfab5f47d84.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3716
- C:\Windows\SysWOW64\Wbem\wmic.exe
  wmic BaseBoard get SerialNumber
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4612

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3716-3-0x0000000003A10000-0x0000000003A11000-memory.dmp

Filesize
4KB

Download
memory/3716-2-0x0000000000400000-0x0000000001B55000-memory.dmp

Filesize
23.3MB

Download
memory/3716-1-0x0000000001C60000-0x0000000001C61000-memory.dmp

Filesize
4KB

Download
memory/3716-5-0x0000000003A30000-0x0000000003A31000-memory.dmp

Filesize
4KB

Download
memory/3716-4-0x0000000003A20000-0x0000000003A21000-memory.dmp

Filesize
4KB

Download
memory/3716-6-0x0000000003A50000-0x0000000003A51000-memory.dmp

Filesize
4KB

Download
memory/3716-7-0x0000000003A60000-0x0000000003A61000-memory.dmp

Filesize
4KB

Download
memory/3716-9-0x0000000000400000-0x0000000001B55000-memory.dmp

Filesize
23.3MB

Download
memory/3716-8-0x0000000003A70000-0x0000000003A71000-memory.dmp

Filesize
4KB

Download
memory/3716-0-0x0000000001BB0000-0x0000000001BB1000-memory.dmp

Filesize
4KB

Download
memory/3716-15-0x0000000000400000-0x0000000001B55000-memory.dmp

Filesize
23.3MB

Download