84dd4b7747d83f5cd5357dbec4d328f0cfe5b9b47652ad099cbceee24df58a66

General

Target

84dd4b7747d83f5cd5357dbec4d328f0cfe5b9b47652ad099cbceee24df58a66.exe
Size

10.9MB
MD5

2ac4f30e0e20fcae3c84548e1979c8ac
SHA1

aae73f8b63ac2389e77c8583b70a839aa1523dc2
SHA256

84dd4b7747d83f5cd5357dbec4d328f0cfe5b9b47652ad099cbceee24df58a66
SHA512

f7275a9ab7007f1453f08518db9d24ad95c762ee3b93c531f39f0c6819085735ad0f726b98897d882e20bf3e30b4c09263aeb0632dec511956395078e3100a92
SSDEEP

196608:+4OLAJV/K2bKbGJp1wus8n5xoMm/hXE78ULgzxk+xr5f:+4Fim9wWbdTIUChd

Score

9^/10

bootkit oss_ak persistence upx

Malware Config

Signatures

detect oss ak 1 IoCs

oss ak information detected.

oss_ak

Processes:

resource	yara_rule
behavioral2/memory/4324-8-0x0000000000400000-0x0000000000F5E000-memory.dmp	detect_ak_stuff

UPX packed file 23 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/4324-9-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4324-43-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4324-49-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4324-51-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4324-47-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4324-45-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4324-39-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4324-37-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4324-35-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4324-33-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4324-31-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4324-29-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4324-27-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4324-25-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4324-23-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4324-22-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4324-19-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4324-17-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4324-16-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4324-13-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4324-10-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4324-11-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4324-41-0x0000000010000000-0x000000001003E000-memory.dmp	upx

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

Processes:

84dd4b7747d83f5cd5357dbec4d328f0cfe5b9b47652ad099cbceee24df58a66.exe

description ioc process

File opened for modification \??\PhysicalDrive0 84dd4b7747d83f5cd5357dbec4d328f0cfe5b9b47652ad099cbceee24df58a66.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

84dd4b7747d83f5cd5357dbec4d328f0cfe5b9b47652ad099cbceee24df58a66.exe

pid process

4324 84dd4b7747d83f5cd5357dbec4d328f0cfe5b9b47652ad099cbceee24df58a66.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	84dd4b7747d83f5cd5357dbec4d328f0cfe5b9b47652ad099cbceee24df58a66.exe

Modifies registry class 1 IoCs

Processes:

84dd4b7747d83f5cd5357dbec4d328f0cfe5b9b47652ad099cbceee24df58a66.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000_Classes\Local Settings	84dd4b7747d83f5cd5357dbec4d328f0cfe5b9b47652ad099cbceee24df58a66.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

84dd4b7747d83f5cd5357dbec4d328f0cfe5b9b47652ad099cbceee24df58a66.exe

pid	process
4324	84dd4b7747d83f5cd5357dbec4d328f0cfe5b9b47652ad099cbceee24df58a66.exe
4324	84dd4b7747d83f5cd5357dbec4d328f0cfe5b9b47652ad099cbceee24df58a66.exe
4324	84dd4b7747d83f5cd5357dbec4d328f0cfe5b9b47652ad099cbceee24df58a66.exe
4324	84dd4b7747d83f5cd5357dbec4d328f0cfe5b9b47652ad099cbceee24df58a66.exe
4324	84dd4b7747d83f5cd5357dbec4d328f0cfe5b9b47652ad099cbceee24df58a66.exe
4324	84dd4b7747d83f5cd5357dbec4d328f0cfe5b9b47652ad099cbceee24df58a66.exe

Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

OpenWith.exe84dd4b7747d83f5cd5357dbec4d328f0cfe5b9b47652ad099cbceee24df58a66.exe

pid	process
1260	OpenWith.exe
4324	84dd4b7747d83f5cd5357dbec4d328f0cfe5b9b47652ad099cbceee24df58a66.exe
4324	84dd4b7747d83f5cd5357dbec4d328f0cfe5b9b47652ad099cbceee24df58a66.exe
4324	84dd4b7747d83f5cd5357dbec4d328f0cfe5b9b47652ad099cbceee24df58a66.exe
4324	84dd4b7747d83f5cd5357dbec4d328f0cfe5b9b47652ad099cbceee24df58a66.exe

C:\Users\Admin\AppData\Local\Temp\84dd4b7747d83f5cd5357dbec4d328f0cfe5b9b47652ad099cbceee24df58a66.exe
"C:\Users\Admin\AppData\Local\Temp\84dd4b7747d83f5cd5357dbec4d328f0cfe5b9b47652ad099cbceee24df58a66.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4324

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Suspicious use of SetWindowsHookEx
PID:1260

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/4324-0-0x000000000092A000-0x0000000000D5A000-memory.dmp

Filesize
4.2MB

Download
memory/4324-8-0x0000000000400000-0x0000000000F5E000-memory.dmp

Filesize
11.4MB

Download
memory/4324-7-0x00000000030C0000-0x00000000030C1000-memory.dmp

Filesize
4KB

Download
memory/4324-6-0x00000000030B0000-0x00000000030B1000-memory.dmp

Filesize
4KB

Download
memory/4324-5-0x00000000030A0000-0x00000000030A1000-memory.dmp

Filesize
4KB

Download
memory/4324-4-0x0000000003090000-0x0000000003091000-memory.dmp

Filesize
4KB

Download
memory/4324-3-0x0000000003080000-0x0000000003081000-memory.dmp

Filesize
4KB

Download
memory/4324-2-0x00000000016F0000-0x00000000016F1000-memory.dmp

Filesize
4KB

Download
memory/4324-1-0x00000000016E0000-0x00000000016E1000-memory.dmp

Filesize
4KB

Download
memory/4324-9-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4324-43-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4324-49-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4324-51-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4324-47-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4324-45-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4324-39-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4324-37-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4324-35-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4324-33-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4324-31-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4324-29-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4324-27-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4324-25-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4324-23-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4324-22-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4324-19-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4324-17-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4324-16-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4324-13-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4324-10-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4324-11-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4324-41-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4324-52-0x000000000092A000-0x0000000000D5A000-memory.dmp

Filesize
4.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads