c44ff634fc10b7deda77863ff60a3a8a57c8ae441bb6390e20aabef2a2155041

Analysis

max time kernel
150s
max time network
149s
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, 02:46

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General

Target

c44ff634fc10b7deda77863ff60a3a8a57c8ae441bb6390e20aabef2a2155041.exe
Size

36KB
MD5

b6e557d7b1a148aea48ada1ed9f5a46f
SHA1

979c1198d2700fc93ee5c86e260c3fe0d145af68
SHA256

c44ff634fc10b7deda77863ff60a3a8a57c8ae441bb6390e20aabef2a2155041
SHA512

26726708c8a339762afaba75d305c6332c2224d362f5decb49869174fe487d77069cca9faabccffdd1c6c2d717a60c28a1249c73ec244909a49a73f1db7d78fe
SSDEEP

768:BW9+FP4BPtYggggggLvggggggggUaocHMoknjjp:SaoVbnR

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-1-5-21-701583114-2636601053-947405450-1000\Control Panel\International\Geo\Nation	c44ff634fc10b7deda77863ff60a3a8a57c8ae441bb6390e20aabef2a2155041.exe

Executes dropped EXE 1 IoCs

pid	Process
3844	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	c44ff634fc10b7deda77863ff60a3a8a57c8ae441bb6390e20aabef2a2155041.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	btkba.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4108 wrote to memory of 3844	4108	c44ff634fc10b7deda77863ff60a3a8a57c8ae441bb6390e20aabef2a2155041.exe	84
PID 4108 wrote to memory of 3844	4108	c44ff634fc10b7deda77863ff60a3a8a57c8ae441bb6390e20aabef2a2155041.exe	84
PID 4108 wrote to memory of 3844	4108	c44ff634fc10b7deda77863ff60a3a8a57c8ae441bb6390e20aabef2a2155041.exe	84

C:\Users\Admin\AppData\Local\Temp\c44ff634fc10b7deda77863ff60a3a8a57c8ae441bb6390e20aabef2a2155041.exe
"C:\Users\Admin\AppData\Local\Temp\c44ff634fc10b7deda77863ff60a3a8a57c8ae441bb6390e20aabef2a2155041.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4108
- 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:3844

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

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Downloads

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

Filesize
36KB

MD5
029348565b2edaa6ebcb5bf06f148b13

SHA1
f9075d5176fcc3097c9d7f8a9b6e7e80783a174d

SHA256
1fbc7fb3837ca2109a01648eb753a90fcdc3f0b3b1002f15c95e8507fd8e5a0a

SHA512
cf4cc93ddfa724757a52023c73b4f639b84fb62db3d5c6a4103f49cb092b3edbf0b0ecc49d1a6314420ba03dcb4d69fa7e463d2a0994f6dad3aa954b656dc9c8

Download Submit
memory/3844-14-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4108-0-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4108-1-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download
memory/4108-13-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download