642089fce33eb91116a4fef4930b12cf30783b94e2148d003147a59c0e767eb4

Analysis

max time kernel
147s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 11:40

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General

Target
34bd979a5736b1db8e1e6a2997799849.exe
Size 12.4MB
Sample231231-ns7kdsafg8
SHA256 642089fce33eb91116a4fef4930b12cf30783b94e2148d003147a59c0e767eb4
MD5 34bd979a5736b1db8e1e6a2997799849
SHA1 cfe494b29d900380a38e5b9b9f3a682b13189f3e
SHA512 4425ff98a3e7cd726a15dd3b35c50e0aaca582a3bad60bf70437b2d41255b2c856c558c658a1781fe64dc01e067731b28ca65f0fb39ba41dc7a089ed9809e26e
SSDEEP 196608:h/R216Ubma/yXLeRQNIi3c1BvqMpk/wNcn921c2UZGaU0OfqAXJw0IR1v+L+p0df:FElhRQOi6wypC921cSa9Dmw0Wt+BN
MD5 SHA1 SHA512 SSDEEP

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/2836-10-0x0000000000400000-0x0000000001B60000-memory.dmp	vmprotect
behavioral2/memory/2836-4-0x0000000000400000-0x0000000001B60000-memory.dmp	vmprotect
behavioral2/memory/2836-15-0x0000000000400000-0x0000000001B60000-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	34bd979a5736b1db8e1e6a2997799849.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2836	34bd979a5736b1db8e1e6a2997799849.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2836	34bd979a5736b1db8e1e6a2997799849.exe
2836	34bd979a5736b1db8e1e6a2997799849.exe
2836	34bd979a5736b1db8e1e6a2997799849.exe
2836	34bd979a5736b1db8e1e6a2997799849.exe

Suspicious use of AdjustPrivilegeToken 42 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4996	wmic.exe
Token: SeSecurityPrivilege	4996	wmic.exe
Token: SeTakeOwnershipPrivilege	4996	wmic.exe
Token: SeLoadDriverPrivilege	4996	wmic.exe
Token: SeSystemProfilePrivilege	4996	wmic.exe
Token: SeSystemtimePrivilege	4996	wmic.exe
Token: SeProfSingleProcessPrivilege	4996	wmic.exe
Token: SeIncBasePriorityPrivilege	4996	wmic.exe
Token: SeCreatePagefilePrivilege	4996	wmic.exe
Token: SeBackupPrivilege	4996	wmic.exe
Token: SeRestorePrivilege	4996	wmic.exe
Token: SeShutdownPrivilege	4996	wmic.exe
Token: SeDebugPrivilege	4996	wmic.exe
Token: SeSystemEnvironmentPrivilege	4996	wmic.exe
Token: SeRemoteShutdownPrivilege	4996	wmic.exe
Token: SeUndockPrivilege	4996	wmic.exe
Token: SeManageVolumePrivilege	4996	wmic.exe
Token: 33	4996	wmic.exe
Token: 34	4996	wmic.exe
Token: 35	4996	wmic.exe
Token: 36	4996	wmic.exe
Token: SeIncreaseQuotaPrivilege	4996	wmic.exe
Token: SeSecurityPrivilege	4996	wmic.exe
Token: SeTakeOwnershipPrivilege	4996	wmic.exe
Token: SeLoadDriverPrivilege	4996	wmic.exe
Token: SeSystemProfilePrivilege	4996	wmic.exe
Token: SeSystemtimePrivilege	4996	wmic.exe
Token: SeProfSingleProcessPrivilege	4996	wmic.exe
Token: SeIncBasePriorityPrivilege	4996	wmic.exe
Token: SeCreatePagefilePrivilege	4996	wmic.exe
Token: SeBackupPrivilege	4996	wmic.exe
Token: SeRestorePrivilege	4996	wmic.exe
Token: SeShutdownPrivilege	4996	wmic.exe
Token: SeDebugPrivilege	4996	wmic.exe
Token: SeSystemEnvironmentPrivilege	4996	wmic.exe
Token: SeRemoteShutdownPrivilege	4996	wmic.exe
Token: SeUndockPrivilege	4996	wmic.exe
Token: SeManageVolumePrivilege	4996	wmic.exe
Token: 33	4996	wmic.exe
Token: 34	4996	wmic.exe
Token: 35	4996	wmic.exe
Token: 36	4996	wmic.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2836	34bd979a5736b1db8e1e6a2997799849.exe
2836	34bd979a5736b1db8e1e6a2997799849.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2836 wrote to memory of 4996	2836	34bd979a5736b1db8e1e6a2997799849.exe	52
PID 2836 wrote to memory of 4996	2836	34bd979a5736b1db8e1e6a2997799849.exe	52
PID 2836 wrote to memory of 4996	2836	34bd979a5736b1db8e1e6a2997799849.exe	52

C:\Users\Admin\AppData\Local\Temp\34bd979a5736b1db8e1e6a2997799849.exe
"C:\Users\Admin\AppData\Local\Temp\34bd979a5736b1db8e1e6a2997799849.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:2836
- C:\Windows\SysWOW64\Wbem\wmic.exe
  wmic BaseBoard get SerialNumber
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4996

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/2836-1-0x00000000039E0000-0x00000000039E1000-memory.dmp

Download

memory/2836-5-0x0000000003A40000-0x0000000003A41000-memory.dmp

Download

memory/2836-7-0x0000000003A60000-0x0000000003A61000-memory.dmp

Download

memory/2836-8-0x0000000003A70000-0x0000000003A71000-memory.dmp

Download

memory/2836-10-0x0000000000400000-0x0000000001B60000-memory.dmp

Download

memory/2836-6-0x0000000003A50000-0x0000000003A51000-memory.dmp

Download

memory/2836-4-0x0000000000400000-0x0000000001B60000-memory.dmp

Download

memory/2836-3-0x0000000003A30000-0x0000000003A31000-memory.dmp

Download

memory/2836-2-0x00000000039F0000-0x00000000039F1000-memory.dmp

Download

memory/2836-0-0x0000000001B80000-0x0000000001B81000-memory.dmp

Download

memory/2836-15-0x0000000000400000-0x0000000001B60000-memory.dmp

Download