fd51bcb1981f0d34b10371ab37113bffea76780690e8ffd891a3ba0e14a1b82c

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
31-12-2023 04:22

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General

Target

27f86d2306567c6c59f914a0b71e9680.exe
Size

12.4MB
MD5

27f86d2306567c6c59f914a0b71e9680
SHA1

01645c4b66427d48a8d773b16f632627c90b3a55
SHA256

fd51bcb1981f0d34b10371ab37113bffea76780690e8ffd891a3ba0e14a1b82c
SHA512

dec1c467685a6a65c2465b6127e48c4fc5fcaa1c9e2cb977aff3e41536f82e14c0382e16e2b9398d66bcd012d41ebaec210ab83f69cc374a971a694f083a5a5c
SSDEEP

393216:sSttl3FatYic7G3XXAwW+jDo2mYXAZq5VUNWgvL:sS/l1p5aHXAeDofe6BQgvL

Score

7^/10

bootkit persistence vmprotect

Malware Config

Signatures

VMProtect packed file 4 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral1/memory/1268-2-0x0000000000400000-0x0000000001B6A000-memory.dmp	vmprotect
behavioral1/memory/1268-5-0x0000000000400000-0x0000000001B6A000-memory.dmp	vmprotect
behavioral1/memory/1268-48-0x0000000000400000-0x0000000001B6A000-memory.dmp	vmprotect
behavioral1/memory/1268-49-0x0000000000400000-0x0000000001B6A000-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	27f86d2306567c6c59f914a0b71e9680.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1268	27f86d2306567c6c59f914a0b71e9680.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1268	27f86d2306567c6c59f914a0b71e9680.exe
1268	27f86d2306567c6c59f914a0b71e9680.exe

Suspicious use of AdjustPrivilegeToken 40 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2696	wmic.exe
Token: SeSecurityPrivilege	2696	wmic.exe
Token: SeTakeOwnershipPrivilege	2696	wmic.exe
Token: SeLoadDriverPrivilege	2696	wmic.exe
Token: SeSystemProfilePrivilege	2696	wmic.exe
Token: SeSystemtimePrivilege	2696	wmic.exe
Token: SeProfSingleProcessPrivilege	2696	wmic.exe
Token: SeIncBasePriorityPrivilege	2696	wmic.exe
Token: SeCreatePagefilePrivilege	2696	wmic.exe
Token: SeBackupPrivilege	2696	wmic.exe
Token: SeRestorePrivilege	2696	wmic.exe
Token: SeShutdownPrivilege	2696	wmic.exe
Token: SeDebugPrivilege	2696	wmic.exe
Token: SeSystemEnvironmentPrivilege	2696	wmic.exe
Token: SeRemoteShutdownPrivilege	2696	wmic.exe
Token: SeUndockPrivilege	2696	wmic.exe
Token: SeManageVolumePrivilege	2696	wmic.exe
Token: 33	2696	wmic.exe
Token: 34	2696	wmic.exe
Token: 35	2696	wmic.exe
Token: SeIncreaseQuotaPrivilege	2696	wmic.exe
Token: SeSecurityPrivilege	2696	wmic.exe
Token: SeTakeOwnershipPrivilege	2696	wmic.exe
Token: SeLoadDriverPrivilege	2696	wmic.exe
Token: SeSystemProfilePrivilege	2696	wmic.exe
Token: SeSystemtimePrivilege	2696	wmic.exe
Token: SeProfSingleProcessPrivilege	2696	wmic.exe
Token: SeIncBasePriorityPrivilege	2696	wmic.exe
Token: SeCreatePagefilePrivilege	2696	wmic.exe
Token: SeBackupPrivilege	2696	wmic.exe
Token: SeRestorePrivilege	2696	wmic.exe
Token: SeShutdownPrivilege	2696	wmic.exe
Token: SeDebugPrivilege	2696	wmic.exe
Token: SeSystemEnvironmentPrivilege	2696	wmic.exe
Token: SeRemoteShutdownPrivilege	2696	wmic.exe
Token: SeUndockPrivilege	2696	wmic.exe
Token: SeManageVolumePrivilege	2696	wmic.exe
Token: 33	2696	wmic.exe
Token: 34	2696	wmic.exe
Token: 35	2696	wmic.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1268	27f86d2306567c6c59f914a0b71e9680.exe
1268	27f86d2306567c6c59f914a0b71e9680.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1268 wrote to memory of 2696	1268	27f86d2306567c6c59f914a0b71e9680.exe	29
PID 1268 wrote to memory of 2696	1268	27f86d2306567c6c59f914a0b71e9680.exe	29
PID 1268 wrote to memory of 2696	1268	27f86d2306567c6c59f914a0b71e9680.exe	29
PID 1268 wrote to memory of 2696	1268	27f86d2306567c6c59f914a0b71e9680.exe	29

C:\Users\Admin\AppData\Local\Temp\27f86d2306567c6c59f914a0b71e9680.exe
"C:\Users\Admin\AppData\Local\Temp\27f86d2306567c6c59f914a0b71e9680.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:1268
- C:\Windows\SysWOW64\Wbem\wmic.exe
  wmic BaseBoard get SerialNumber
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2696

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/1268-0-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1268-2-0x0000000000400000-0x0000000001B6A000-memory.dmp

Filesize
23.4MB

Download
memory/1268-6-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1268-41-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/1268-43-0x0000000076EC0000-0x0000000076EC1000-memory.dmp

Filesize
4KB

Download
memory/1268-39-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/1268-37-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/1268-36-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/1268-34-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/1268-32-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/1268-31-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/1268-29-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/1268-26-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/1268-24-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/1268-21-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/1268-19-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/1268-16-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1268-14-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1268-11-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1268-9-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1268-7-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1268-5-0x0000000000400000-0x0000000001B6A000-memory.dmp

Filesize
23.4MB

Download
memory/1268-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1268-48-0x0000000000400000-0x0000000001B6A000-memory.dmp

Filesize
23.4MB

Download
memory/1268-49-0x0000000000400000-0x0000000001B6A000-memory.dmp

Filesize
23.4MB

Download