3b8ce87807169e8f8f495df594cd6850eb097bb846f6c2de2e25ea03e2374e88

Analysis

max time kernel
142s
max time network
123s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
14-02-2024 08:12

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General

Target

9b2c96b26c75bb7c636104f64f15c80c.exe
Size

239KB
MD5

9b2c96b26c75bb7c636104f64f15c80c
SHA1

83ba7748887f4b93d3cb1299f7a6a8e35bc59a28
SHA256

3b8ce87807169e8f8f495df594cd6850eb097bb846f6c2de2e25ea03e2374e88
SHA512

177495d2fbdbda1d5d209991409f0e29896aaf14b686092f5853ed1b1f3d1ea17decc9ec9560876354d18d420117e481d9443fecc6c50d94cc919faedbb07e8a
SSDEEP

3072:qBwf1Nlq6Wa2DN54gmFtuyefdYG6w7cZvA6naTT3pBTed/y8McIpTRbFvN6HF8gJ:qGNNFWxD7mrHkWC4aTT5BBSIhRbX6l8e

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	9b2c96b26c75bb7c636104f64f15c80c.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2004 set thread context of 2784	2004	9b2c96b26c75bb7c636104f64f15c80c.exe	28

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 3 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	9b2c96b26c75bb7c636104f64f15c80c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	9b2c96b26c75bb7c636104f64f15c80c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	9b2c96b26c75bb7c636104f64f15c80c.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2784	9b2c96b26c75bb7c636104f64f15c80c.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2004	9b2c96b26c75bb7c636104f64f15c80c.exe
2004	9b2c96b26c75bb7c636104f64f15c80c.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2004 wrote to memory of 2784	2004	9b2c96b26c75bb7c636104f64f15c80c.exe	28
PID 2004 wrote to memory of 2784	2004	9b2c96b26c75bb7c636104f64f15c80c.exe	28
PID 2004 wrote to memory of 2784	2004	9b2c96b26c75bb7c636104f64f15c80c.exe	28
PID 2004 wrote to memory of 2784	2004	9b2c96b26c75bb7c636104f64f15c80c.exe	28
PID 2004 wrote to memory of 2784	2004	9b2c96b26c75bb7c636104f64f15c80c.exe	28
PID 2004 wrote to memory of 2784	2004	9b2c96b26c75bb7c636104f64f15c80c.exe	28
PID 2004 wrote to memory of 2784	2004	9b2c96b26c75bb7c636104f64f15c80c.exe	28
PID 2004 wrote to memory of 2784	2004	9b2c96b26c75bb7c636104f64f15c80c.exe	28
PID 2004 wrote to memory of 2784	2004	9b2c96b26c75bb7c636104f64f15c80c.exe	28

C:\Users\Admin\AppData\Local\Temp\9b2c96b26c75bb7c636104f64f15c80c.exe
"C:\Users\Admin\AppData\Local\Temp\9b2c96b26c75bb7c636104f64f15c80c.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious use of SetThreadContext
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2004
- C:\Users\Admin\AppData\Local\Temp\9b2c96b26c75bb7c636104f64f15c80c.exe
  C:\Users\Admin\AppData\Local\Temp\9b2c96b26c75bb7c636104f64f15c80c.exe
  2⤵
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2784

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2004-41-0x0000000002850000-0x0000000002851000-memory.dmp

Filesize
4KB

Download
memory/2004-20-0x0000000001F30000-0x0000000001F31000-memory.dmp

Filesize
4KB

Download
memory/2004-7-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2004-6-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2004-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2004-4-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2004-3-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2004-2-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/2004-18-0x0000000001F10000-0x0000000001F11000-memory.dmp

Filesize
4KB

Download
memory/2004-22-0x0000000001F90000-0x0000000001F91000-memory.dmp

Filesize
4KB

Download
memory/2004-10-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/2004-26-0x0000000001FB0000-0x0000000001FB1000-memory.dmp

Filesize
4KB

Download
memory/2004-11-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2004-29-0x00000000027E0000-0x00000000027E1000-memory.dmp

Filesize
4KB

Download
memory/2004-13-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/2004-34-0x0000000002800000-0x0000000002801000-memory.dmp

Filesize
4KB

Download
memory/2004-12-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/2004-37-0x0000000002830000-0x0000000002831000-memory.dmp

Filesize
4KB

Download
memory/2004-21-0x0000000001FA0000-0x0000000001FA1000-memory.dmp

Filesize
4KB

Download
memory/2004-8-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2004-31-0x00000000027D0000-0x00000000027D1000-memory.dmp

Filesize
4KB

Download
memory/2004-45-0x0000000002870000-0x0000000002871000-memory.dmp

Filesize
4KB

Download
memory/2004-43-0x0000000002840000-0x0000000002841000-memory.dmp

Filesize
4KB

Download
memory/2004-39-0x0000000002820000-0x0000000002821000-memory.dmp

Filesize
4KB

Download
memory/2004-35-0x00000000027F0000-0x00000000027F1000-memory.dmp

Filesize
4KB

Download
memory/2004-15-0x0000000001ED0000-0x0000000001ED1000-memory.dmp

Filesize
4KB

Download
memory/2004-27-0x00000000027B0000-0x00000000027B1000-memory.dmp

Filesize
4KB

Download
memory/2004-23-0x0000000001FC0000-0x0000000001FC1000-memory.dmp

Filesize
4KB

Download
memory/2004-46-0x0000000002860000-0x0000000002861000-memory.dmp

Filesize
4KB

Download
memory/2004-48-0x00000000029D0000-0x00000000029D1000-memory.dmp

Filesize
4KB

Download
memory/2004-16-0x0000000001EF0000-0x0000000001EF1000-memory.dmp

Filesize
4KB

Download
memory/2004-0-0x00000000003D0000-0x00000000003D7000-memory.dmp

Filesize
28KB

Download
memory/2004-17-0x0000000001F20000-0x0000000001F21000-memory.dmp

Filesize
4KB

Download
memory/2004-52-0x00000000029C0000-0x00000000029C1000-memory.dmp

Filesize
4KB

Download
memory/2004-54-0x00000000029F0000-0x00000000029F1000-memory.dmp

Filesize
4KB

Download
memory/2004-50-0x0000000000400000-0x0000000000475000-memory.dmp

Filesize
468KB

Download
memory/2004-14-0x0000000001EE0000-0x0000000001EE1000-memory.dmp

Filesize
4KB

Download
memory/2004-19-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2784-51-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2784-55-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2784-53-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2784-49-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2784-44-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2784-40-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2784-36-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2784-32-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2784-28-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2784-24-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2784-56-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2784-57-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2784-59-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2784-60-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2784-61-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2784-62-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2784-63-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2784-64-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2784-65-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2784-66-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2784-67-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2784-68-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2784-69-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2784-70-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2784-71-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2784-72-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2784-73-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2784-74-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads