5bd06a10bf00150d81282baa4128947434c86ed1c914264f28e771c9bc8288d9

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
24-02-2024 17:55

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General

Target

a26361664f5d730258dd0a7af15fbd78.exe
Size

1.0MB
MD5

a26361664f5d730258dd0a7af15fbd78
SHA1

855d84fede54be85524f750e385450b4cc3ae398
SHA256

5bd06a10bf00150d81282baa4128947434c86ed1c914264f28e771c9bc8288d9
SHA512

23b054ac30165400b9a8621182cf1bffa8849d3ba17c414d3e45cb60887fadd0095899566eeae0f6ba2e476ea3e6c1749fdf5111eca6ebfc49e4ed401ba53a68
SSDEEP

24576:Ztz9uXStrPcYwPEdel+7gxoKI01A1nxBmf:Lz9ZVadlkgL1E3mf

Score

6^/10

bootkit persistence

Malware Config

Signatures

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	a26361664f5d730258dd0a7af15fbd78.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1552 set thread context of 2740	1552	a26361664f5d730258dd0a7af15fbd78.exe	28

Modifies registry class 3 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	a26361664f5d730258dd0a7af15fbd78.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	a26361664f5d730258dd0a7af15fbd78.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	a26361664f5d730258dd0a7af15fbd78.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSecurityPrivilege	1552	a26361664f5d730258dd0a7af15fbd78.exe
Token: SeDebugPrivilege	1552	a26361664f5d730258dd0a7af15fbd78.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1552 wrote to memory of 2740	1552	a26361664f5d730258dd0a7af15fbd78.exe	28
PID 1552 wrote to memory of 2740	1552	a26361664f5d730258dd0a7af15fbd78.exe	28
PID 1552 wrote to memory of 2740	1552	a26361664f5d730258dd0a7af15fbd78.exe	28
PID 1552 wrote to memory of 2740	1552	a26361664f5d730258dd0a7af15fbd78.exe	28
PID 1552 wrote to memory of 2740	1552	a26361664f5d730258dd0a7af15fbd78.exe	28
PID 1552 wrote to memory of 2740	1552	a26361664f5d730258dd0a7af15fbd78.exe	28
PID 1552 wrote to memory of 2740	1552	a26361664f5d730258dd0a7af15fbd78.exe	28

C:\Users\Admin\AppData\Local\Temp\a26361664f5d730258dd0a7af15fbd78.exe
"C:\Users\Admin\AppData\Local\Temp\a26361664f5d730258dd0a7af15fbd78.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious use of SetThreadContext
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1552
- C:\Users\Admin\AppData\Local\Temp\a26361664f5d730258dd0a7af15fbd78.exe
  C:\Users\Admin\AppData\Local\Temp\a26361664f5d730258dd0a7af15fbd78.exe
  2⤵
  PID:2740

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/1552-11-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/1552-21-0x0000000002990000-0x0000000002C2F000-memory.dmp

Filesize
2.6MB

Download
memory/1552-2-0x0000000000800000-0x0000000000801000-memory.dmp

Filesize
4KB

Download
memory/1552-3-0x0000000000800000-0x0000000000801000-memory.dmp

Filesize
4KB

Download
memory/1552-5-0x00000000009B0000-0x00000000009B1000-memory.dmp

Filesize
4KB

Download
memory/1552-4-0x00000000007F0000-0x00000000007F2000-memory.dmp

Filesize
8KB

Download
memory/1552-7-0x0000000000340000-0x0000000000380000-memory.dmp

Filesize
256KB

Download
memory/1552-0-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/1552-24-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/1552-1-0x00000000007F0000-0x00000000007F1000-memory.dmp

Filesize
4KB

Download
memory/1552-8-0x00000000009C0000-0x00000000009C1000-memory.dmp

Filesize
4KB

Download
memory/1552-6-0x00000000007E0000-0x00000000007E3000-memory.dmp

Filesize
12KB

Download
memory/1552-12-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/1552-20-0x0000000000810000-0x0000000000811000-memory.dmp

Filesize
4KB

Download
memory/1552-19-0x0000000000980000-0x0000000000981000-memory.dmp

Filesize
4KB

Download
memory/1552-18-0x0000000000990000-0x0000000000991000-memory.dmp

Filesize
4KB

Download
memory/2740-16-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2740-13-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2740-23-0x0000000000400000-0x000000000067D000-memory.dmp

Filesize
2.5MB

Download
memory/2740-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads