bozokrat | adcbd26d98f4005228dcf8740374c41830ed680e5121fd9fc6740d02213f06c0

Analysis

user interaction
yes
max time kernel
30s
max time network
31s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
07/10/2026, 17:46

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General

Target
server.exe
Size 32KB
Sample261007-wcl8hsbg33
SHA256 adcbd26d98f4005228dcf8740374c41830ed680e5121fd9fc6740d02213f06c0
MD5 74cfcfc69e0314b97c80076263da15cd
SHA1 f9ab314dbbc1f87233a63d6aa2bbb98b24399293
SHA512 dd0679343c9c3635e167a5ada671b52edcfb9a745fe25462400e1e48e7e59cd10f3e3ea3393d480871d8b75d6e8f409b4694fb633f644f4082d5507c36b290d7
SSDEEP 384:2x+ZzPGPxHwgaWu7/+ulyEMZBSbtR+aHD7N9wUjOreoKxDIqPODwPMShkm/cbFkq:HFqiDZZgzw0qBPbhbO9Ysax58svr5p0
TLSH
T17AE24BA66596C4B2D020CC7C081AF16E9FBFB83119B257DACB7D4CD4AD2D742A42C367
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery bozokrat rat

Malware Config

Signatures

Family: BozokRAT
BozokRAT is a Windows RAT written in Delphi.
rat bozokrat

Detects BozokRAT payload 3 IoCs

resource	yara_rule
behavioral1/files/0x0002000000022c65-3.dat	family_bozokrat
behavioral1/memory/1604-8-0x0000000000400000-0x000000000040D000-memory.dmp	family_bozokrat
behavioral1/memory/4540-9-0x0000000000400000-0x000000000040D000-memory.dmp	family_bozokrat

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-747854149-4118156852-591593384-1000\Control Panel\International\Geo\Nation	server.exe

Executes dropped EXE 1 IoCs

pid	Process
4540	server.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	\??\c:\windows\server.exe	server.exe
File created	\??\c:\windows\server.exe	server.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1604 wrote to memory of 4540	1604	server.exe	89

C:\Users\Admin\AppData\Local\Temp\server.exe
"C:\Users\Admin\AppData\Local\Temp\server.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1604
- C:\windows\server.exe
  "C:\windows\server.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4540

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

server.exe

Path C:\Windows\server.exe
Size 32KB
SHA256 adcbd26d98f4005228dcf8740374c41830ed680e5121fd9fc6740d02213f06c0
MD5 74cfcfc69e0314b97c80076263da15cd
SHA1 f9ab314dbbc1f87233a63d6aa2bbb98b24399293
SHA512 dd0679343c9c3635e167a5ada671b52edcfb9a745fe25462400e1e48e7e59cd10f3e3ea3393d480871d8b75d6e8f409b4694fb633f644f4082d5507c36b290d7
SSDEEP 384:2x+ZzPGPxHwgaWu7/+ulyEMZBSbtR+aHD7N9wUjOreoKxDIqPODwPMShkm/cbFkq:HFqiDZZgzw0qBPbhbO9Ysax58svr5p0
TLSH
T17AE24BA66596C4B2D020CC7C081AF16E9FBFB83119B257DACB7D4CD4AD2D742A42C367
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1604-8-0x0000000000400000-0x000000000040D000-memory.dmp

Download

memory/4540-9-0x0000000000400000-0x000000000040D000-memory.dmp