bca4d79949ee0c2f6cb84461a970c490e7ee43e6681030e6bcaf1a34c117385f

Analysis

max time kernel
100s
max time network
117s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2024, 14:33

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General

Target

bca4d79949ee0c2f6cb84461a970c490e7ee43e6681030e6bcaf1a34c117385fN.exe
Size

61KB
MD5

9c7da90986eeaf07e5d899bd35307450
SHA1

e69d725413303a6d95d9d7e090377ac15e25832e
SHA256

bca4d79949ee0c2f6cb84461a970c490e7ee43e6681030e6bcaf1a34c117385f
SHA512

510c4e03de730ad2afd878f9814ee37f27097a1fedd37036c4333ef7dbeef79af63f2dbf0507fbeefe0d14f2422bf357d7ef02d64f9dcb0a151c55d1b0740ba2
SSDEEP

384:asjPGY2HXgrkEYYhQ98E8I1XAV/QcaYpATUgch1A9NB/erxlFHXTFDe:aePG5H8XhKD8ISZQjkgs1lxlFJC

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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	bca4d79949ee0c2f6cb84461a970c490e7ee43e6681030e6bcaf1a34c117385fN.exe

Executes dropped EXE 1 IoCs

pid	Process
3696	winupdate.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	bca4d79949ee0c2f6cb84461a970c490e7ee43e6681030e6bcaf1a34c117385fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupdate.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5112 wrote to memory of 3696	5112	bca4d79949ee0c2f6cb84461a970c490e7ee43e6681030e6bcaf1a34c117385fN.exe	84
PID 5112 wrote to memory of 3696	5112	bca4d79949ee0c2f6cb84461a970c490e7ee43e6681030e6bcaf1a34c117385fN.exe	84
PID 5112 wrote to memory of 3696	5112	bca4d79949ee0c2f6cb84461a970c490e7ee43e6681030e6bcaf1a34c117385fN.exe	84

C:\Users\Admin\AppData\Local\Temp\bca4d79949ee0c2f6cb84461a970c490e7ee43e6681030e6bcaf1a34c117385fN.exe
"C:\Users\Admin\AppData\Local\Temp\bca4d79949ee0c2f6cb84461a970c490e7ee43e6681030e6bcaf1a34c117385fN.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5112
- C:\Users\Admin\AppData\Local\Temp\winupdate.exe
  "C:\Users\Admin\AppData\Local\Temp\winupdate.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3696

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\winupdate.exe

Filesize
61KB

MD5
a7d91509850670d908046231039f102d

SHA1
bffddcc4ddd570f621757e4b7e8db417d9242eb8

SHA256
6d9c062a1d166448eac75afb912582efd29043e3527a85edf292d7c400d47f54

SHA512
922d3961a872175a94df8247cc55410ff31cf160816207291fbcf60db9a2c787708613f6ab8c8235fb83edf0c9c1945b946ffe632a62f9b3bc292ab2f22e83b2

Download Submit
memory/3696-11-0x0000000000500000-0x0000000000512000-memory.dmp

Filesize
72KB

Download
memory/5112-0-0x0000000000500000-0x0000000000512000-memory.dmp

Filesize
72KB

Download
memory/5112-1-0x0000000000501000-0x0000000000502000-memory.dmp

Filesize
4KB

Download
memory/5112-10-0x0000000000500000-0x0000000000512000-memory.dmp

Filesize
72KB

Download