d7834b7fb0ea7ee8cc6ebcc5245cae4006073c8800371f7ea5cf45af797149b4

Analysis

max time kernel
94s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
15/09/2024, 06:12

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General

Target

2024-09-15_af2d79d21cd83a858ea352b92a767a1c_cryptolocker.exe
Size

39KB
MD5

af2d79d21cd83a858ea352b92a767a1c
SHA1

1a4b62230e0e5e6e323ef6452783e117d4734f6b
SHA256

d7834b7fb0ea7ee8cc6ebcc5245cae4006073c8800371f7ea5cf45af797149b4
SHA512

8395d54ebf71984e70d4b94056fbab91be28743520c5f446a62ef0380b4b8e50a30431735d7c7607ca42b035fb19e154174a4dca5d98e46b57f83de02fcfb509
SSDEEP

384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4XDIwNiJXxXunRSy3LY:btB9g/WItCSsAGjX7e9N0hunRv8

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	2024-09-15_af2d79d21cd83a858ea352b92a767a1c_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	gewos.exe

Executes dropped EXE 1 IoCs

pid	Process
3384	gewos.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	2024-09-15_af2d79d21cd83a858ea352b92a767a1c_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gewos.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2340 wrote to memory of 3384	2340	2024-09-15_af2d79d21cd83a858ea352b92a767a1c_cryptolocker.exe	85
PID 2340 wrote to memory of 3384	2340	2024-09-15_af2d79d21cd83a858ea352b92a767a1c_cryptolocker.exe	85
PID 2340 wrote to memory of 3384	2340	2024-09-15_af2d79d21cd83a858ea352b92a767a1c_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-09-15_af2d79d21cd83a858ea352b92a767a1c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-15_af2d79d21cd83a858ea352b92a767a1c_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2340
- C:\Users\Admin\AppData\Local\Temp\gewos.exe
  "C:\Users\Admin\AppData\Local\Temp\gewos.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3384

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\gewos.exe

Filesize
40KB

MD5
ef9ecaac36d007f11122da6e1f5c4988

SHA1
7c35d56bec42f1c5dc03bc48989f12220d09cc98

SHA256
897c9c92fc39dadb5f55aa9ffb499046f4b4b1e5de620565632f75959d3d8676

SHA512
1c41469f3e6ce3b7f7bc563cb7c9a3b0e7832fc82127b97f1137fd9fd4ff5e40742f2c9ae52fdd10222075ca604e35ca4bb4c503da9a3900fa4ed43d8f7a9a5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\gewosik.exe

Filesize
184B

MD5
e98f1b9e10ffa5809cbd065552f1c75f

SHA1
27a3339dcf5f32738cfc7b5a1e9a9f4c2a49f221

SHA256
d8673963d50af69c262408ca9b081f54d719835d27103c4888e9d2fcc30cd1d7

SHA512
ac4399f7b881a0b522a6db709d114895afcb8cd4bda5fc6eaa45e9861b5ed1b8217ce35e904b5a965f80a599d33d0890bebeec47d265ddf06178313354cea643

Download Submit
memory/2340-0-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/2340-1-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/2340-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3384-19-0x0000000002050000-0x0000000002056000-memory.dmp

Filesize
24KB

Download