e06cd01976f49892d4d735ee1f82bc45f4cf24c60435e1053e6e073a3d6c98f0

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
05-03-2024 08:32

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General

Target

b443aa0b52bd2cfc6bf13c007b9753ff.exe
Size

12.3MB
MD5

b443aa0b52bd2cfc6bf13c007b9753ff
SHA1

21d58a5038ae7d72183a7dd72395cd645b2fa4c5
SHA256

e06cd01976f49892d4d735ee1f82bc45f4cf24c60435e1053e6e073a3d6c98f0
SHA512

7f6a7e69f2c98c334ed3d1044ee42113f2636690a9032b1db6c950b9fbcb020343397ba38550fed3a37fdcf75f0ae1984e84c490f54ffb4e177adc02fba6d2c0
SSDEEP

393216:T1IfOrJRIeAq5FpoqapGWoeALVTqEkwBzzxr+IVfvKu:yM6mFkoDLUOzh3

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
behavioral1/memory/2068-3-0x0000000000400000-0x0000000001B4E000-memory.dmp	vmprotect
behavioral1/memory/2068-8-0x0000000000400000-0x0000000001B4E000-memory.dmp	vmprotect
behavioral1/memory/2068-48-0x0000000000400000-0x0000000001B4E000-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	b443aa0b52bd2cfc6bf13c007b9753ff.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2068	b443aa0b52bd2cfc6bf13c007b9753ff.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2068	b443aa0b52bd2cfc6bf13c007b9753ff.exe
2068	b443aa0b52bd2cfc6bf13c007b9753ff.exe

Suspicious use of AdjustPrivilegeToken 40 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2556	wmic.exe
Token: SeSecurityPrivilege	2556	wmic.exe
Token: SeTakeOwnershipPrivilege	2556	wmic.exe
Token: SeLoadDriverPrivilege	2556	wmic.exe
Token: SeSystemProfilePrivilege	2556	wmic.exe
Token: SeSystemtimePrivilege	2556	wmic.exe
Token: SeProfSingleProcessPrivilege	2556	wmic.exe
Token: SeIncBasePriorityPrivilege	2556	wmic.exe
Token: SeCreatePagefilePrivilege	2556	wmic.exe
Token: SeBackupPrivilege	2556	wmic.exe
Token: SeRestorePrivilege	2556	wmic.exe
Token: SeShutdownPrivilege	2556	wmic.exe
Token: SeDebugPrivilege	2556	wmic.exe
Token: SeSystemEnvironmentPrivilege	2556	wmic.exe
Token: SeRemoteShutdownPrivilege	2556	wmic.exe
Token: SeUndockPrivilege	2556	wmic.exe
Token: SeManageVolumePrivilege	2556	wmic.exe
Token: 33	2556	wmic.exe
Token: 34	2556	wmic.exe
Token: 35	2556	wmic.exe
Token: SeIncreaseQuotaPrivilege	2556	wmic.exe
Token: SeSecurityPrivilege	2556	wmic.exe
Token: SeTakeOwnershipPrivilege	2556	wmic.exe
Token: SeLoadDriverPrivilege	2556	wmic.exe
Token: SeSystemProfilePrivilege	2556	wmic.exe
Token: SeSystemtimePrivilege	2556	wmic.exe
Token: SeProfSingleProcessPrivilege	2556	wmic.exe
Token: SeIncBasePriorityPrivilege	2556	wmic.exe
Token: SeCreatePagefilePrivilege	2556	wmic.exe
Token: SeBackupPrivilege	2556	wmic.exe
Token: SeRestorePrivilege	2556	wmic.exe
Token: SeShutdownPrivilege	2556	wmic.exe
Token: SeDebugPrivilege	2556	wmic.exe
Token: SeSystemEnvironmentPrivilege	2556	wmic.exe
Token: SeRemoteShutdownPrivilege	2556	wmic.exe
Token: SeUndockPrivilege	2556	wmic.exe
Token: SeManageVolumePrivilege	2556	wmic.exe
Token: 33	2556	wmic.exe
Token: 34	2556	wmic.exe
Token: 35	2556	wmic.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2068	b443aa0b52bd2cfc6bf13c007b9753ff.exe
2068	b443aa0b52bd2cfc6bf13c007b9753ff.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 2556	2068	b443aa0b52bd2cfc6bf13c007b9753ff.exe	28
PID 2068 wrote to memory of 2556	2068	b443aa0b52bd2cfc6bf13c007b9753ff.exe	28
PID 2068 wrote to memory of 2556	2068	b443aa0b52bd2cfc6bf13c007b9753ff.exe	28
PID 2068 wrote to memory of 2556	2068	b443aa0b52bd2cfc6bf13c007b9753ff.exe	28

C:\Users\Admin\AppData\Local\Temp\b443aa0b52bd2cfc6bf13c007b9753ff.exe
"C:\Users\Admin\AppData\Local\Temp\b443aa0b52bd2cfc6bf13c007b9753ff.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:2068
- C:\Windows\SysWOW64\Wbem\wmic.exe
  wmic BaseBoard get SerialNumber
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2556

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/2068-0-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2068-3-0x0000000000400000-0x0000000001B4E000-memory.dmp

Filesize
23.3MB

Download
memory/2068-2-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2068-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2068-6-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2068-8-0x0000000000400000-0x0000000001B4E000-memory.dmp

Filesize
23.3MB

Download
memory/2068-9-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2068-11-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2068-14-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2068-16-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2068-31-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2068-29-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2068-26-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2068-24-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2068-21-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2068-19-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2068-32-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/2068-34-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/2068-36-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/2068-38-0x00000000775C0000-0x00000000775C1000-memory.dmp

Filesize
4KB

Download
memory/2068-37-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/2068-40-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/2068-42-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/2068-48-0x0000000000400000-0x0000000001B4E000-memory.dmp

Filesize
23.3MB

Download