36655d133e4da5fc390fd3f3b131b4cdd393061a1c43e18bf29bf79e3d5c3a27

Analysis

max time kernel
119s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
24/07/2024, 05:18

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General

Target

509dec72f451476fdf76b890d8e13230N.exe
Size

27KB
MD5

509dec72f451476fdf76b890d8e13230
SHA1

afaadabc9861b28484e56a1eaf37f6d08d59ce9a
SHA256

36655d133e4da5fc390fd3f3b131b4cdd393061a1c43e18bf29bf79e3d5c3a27
SHA512

9604a30c6ef644222887889b086c5bcef6bd10da560683d5d0659030259fc3130d1ab83320a3c47944c47a53edd4407d5ec27db02a613abc94bd8341b89e00e1
SSDEEP

768:TmvHfYggggggLvggggggggUaocNoknjjv:TsIoIbnH

Score

7^/10

discovery

Malware Config

Signatures

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-1-5-21-2990742725-2267136959-192470804-1000\Control Panel\International\Geo\Nation	509dec72f451476fdf76b890d8e13230N.exe

Executes dropped EXE 1 IoCs

pid	Process
3520	btkba.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	509dec72f451476fdf76b890d8e13230N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	btkba.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 612 wrote to memory of 3520	612	509dec72f451476fdf76b890d8e13230N.exe	85
PID 612 wrote to memory of 3520	612	509dec72f451476fdf76b890d8e13230N.exe	85
PID 612 wrote to memory of 3520	612	509dec72f451476fdf76b890d8e13230N.exe	85

C:\Users\Admin\AppData\Local\Temp\509dec72f451476fdf76b890d8e13230N.exe
"C:\Users\Admin\AppData\Local\Temp\509dec72f451476fdf76b890d8e13230N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:612
- C:\Users\Admin\AppData\Local\Temp\btkba.exe
  "C:\Users\Admin\AppData\Local\Temp\btkba.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3520

Network

MITRE ATT&CK Enterprise v15

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\btkba.exe

Filesize
27KB

MD5
13d4c996359b1ddd84234fc7880d7b31

SHA1
738028a7df10b9f8edf3d3a5ed347a20d233e35d

SHA256
c7fd31f86016240f9018a0c595ecf39abe1158427bfb6232126b0c26a33cd0ba

SHA512
979bfcc70c5156822ded487344b2839ddcd353b0e47e845e5396f6f0d5f26f263509031c03c8bc6b670836b553aaad59821688763e8a2ae95ec0b83e387af36c

Download Submit
memory/612-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/612-1-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download
memory/612-14-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3520-15-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download