1a9ab5de7c14329e152febb30ac3506f26c216a1a805297f364f6fe6489fed70

Analysis

max time kernel
37s
max time network
41s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
29/10/2022, 18:52

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General

Target

1a9ab5de7c14329e152febb30ac3506f26c216a1a805297f364f6fe6489fed70.exe
Size

185KB
MD5

84192a14941719c58b9b3dd0fc7fc8dd
SHA1

9067d5a032681f14b986c0bba2c5ab7de04ed5a5
SHA256

1a9ab5de7c14329e152febb30ac3506f26c216a1a805297f364f6fe6489fed70
SHA512

92adae4cd21ae50b9165064b443bb8d2e6a9cfd2ebfdbfce2ed13861c35c213b2a9a1f7a48e683295e31d108ae41861f9d7fabae25cf2797e49dd5f0211ffabe
SSDEEP

3072:coXp+tBTr+4oyq96HM0XUGXU2Fo21364EoiJeeI+StSqYLj8MfseRns1Z7MdvF1b:fXp+t5+42nVW5GJZ2tNYLj8Mfs6gqvFF

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

T1067

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	1a9ab5de7c14329e152febb30ac3506f26c216a1a805297f364f6fe6489fed70.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1988 set thread context of 2036	1988	1a9ab5de7c14329e152febb30ac3506f26c216a1a805297f364f6fe6489fed70.exe	26

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	1a9ab5de7c14329e152febb30ac3506f26c216a1a805297f364f6fe6489fed70.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	1a9ab5de7c14329e152febb30ac3506f26c216a1a805297f364f6fe6489fed70.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	1a9ab5de7c14329e152febb30ac3506f26c216a1a805297f364f6fe6489fed70.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2036	1a9ab5de7c14329e152febb30ac3506f26c216a1a805297f364f6fe6489fed70.exe
2036	1a9ab5de7c14329e152febb30ac3506f26c216a1a805297f364f6fe6489fed70.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1988	1a9ab5de7c14329e152febb30ac3506f26c216a1a805297f364f6fe6489fed70.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1988 wrote to memory of 2036	1988	1a9ab5de7c14329e152febb30ac3506f26c216a1a805297f364f6fe6489fed70.exe	26
PID 1988 wrote to memory of 2036	1988	1a9ab5de7c14329e152febb30ac3506f26c216a1a805297f364f6fe6489fed70.exe	26
PID 1988 wrote to memory of 2036	1988	1a9ab5de7c14329e152febb30ac3506f26c216a1a805297f364f6fe6489fed70.exe	26
PID 1988 wrote to memory of 2036	1988	1a9ab5de7c14329e152febb30ac3506f26c216a1a805297f364f6fe6489fed70.exe	26
PID 1988 wrote to memory of 2036	1988	1a9ab5de7c14329e152febb30ac3506f26c216a1a805297f364f6fe6489fed70.exe	26
PID 1988 wrote to memory of 2036	1988	1a9ab5de7c14329e152febb30ac3506f26c216a1a805297f364f6fe6489fed70.exe	26
PID 1988 wrote to memory of 2036	1988	1a9ab5de7c14329e152febb30ac3506f26c216a1a805297f364f6fe6489fed70.exe	26
PID 1988 wrote to memory of 2036	1988	1a9ab5de7c14329e152febb30ac3506f26c216a1a805297f364f6fe6489fed70.exe	26
PID 2036 wrote to memory of 1384	2036	1a9ab5de7c14329e152febb30ac3506f26c216a1a805297f364f6fe6489fed70.exe	5
PID 2036 wrote to memory of 1384	2036	1a9ab5de7c14329e152febb30ac3506f26c216a1a805297f364f6fe6489fed70.exe	5
PID 2036 wrote to memory of 1384	2036	1a9ab5de7c14329e152febb30ac3506f26c216a1a805297f364f6fe6489fed70.exe	5
PID 2036 wrote to memory of 1384	2036	1a9ab5de7c14329e152febb30ac3506f26c216a1a805297f364f6fe6489fed70.exe	5

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1384
- C:\Users\Admin\AppData\Local\Temp\1a9ab5de7c14329e152febb30ac3506f26c216a1a805297f364f6fe6489fed70.exe
  "C:\Users\Admin\AppData\Local\Temp\1a9ab5de7c14329e152febb30ac3506f26c216a1a805297f364f6fe6489fed70.exe"
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Suspicious use of SetThreadContext
  - Modifies registry class
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1988
- - C:\Users\Admin\AppData\Local\Temp\1a9ab5de7c14329e152febb30ac3506f26c216a1a805297f364f6fe6489fed70.exe
    C:\Users\Admin\AppData\Local\Temp\1a9ab5de7c14329e152febb30ac3506f26c216a1a805297f364f6fe6489fed70.exe
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2036

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

T1067

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1384-63-0x000000007FFF0000-0x000000007FFF7000-memory.dmp

Filesize
28KB

Download
memory/1988-54-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1988-61-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2036-57-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2036-60-0x0000000000400000-0x00000000004083A0-memory.dmp

Filesize
32KB

Download
memory/2036-62-0x0000000075911000-0x0000000075913000-memory.dmp

Filesize
8KB

Download
memory/2036-66-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download