bfea7cdf640a82b5b74d71ef17acff03c907e6172ed7377e204a3f912783cfd0

Analysis

max time kernel
93s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25/09/2024, 19:21

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

2024-09-25_5b06b717a097fb3cfa7a5408d241822e_cryptolocker.exe
Size

36KB
MD5

5b06b717a097fb3cfa7a5408d241822e
SHA1

b22cb75a3a93286166f6972f30f380fa62d3c47f
SHA256

bfea7cdf640a82b5b74d71ef17acff03c907e6172ed7377e204a3f912783cfd0
SHA512

c6e1d7a1a9000059c2d7662050fb7c4bd2503ebfc89eb27cc3ef809aaa939c206f3c557a4ec8398076e1a021055a49817de232156a407538bca114e8546a2449
SSDEEP

384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4l8tFFxE2B94IOMHo3sxP1H+:btB9g/WItCSsAGjX7r3BPOMHocM4vA

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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	2024-09-25_5b06b717a097fb3cfa7a5408d241822e_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	gewos.exe

Executes dropped EXE 1 IoCs

pid	Process
4152	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	gewos.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-25_5b06b717a097fb3cfa7a5408d241822e_cryptolocker.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1612 wrote to memory of 4152	1612	2024-09-25_5b06b717a097fb3cfa7a5408d241822e_cryptolocker.exe	82
PID 1612 wrote to memory of 4152	1612	2024-09-25_5b06b717a097fb3cfa7a5408d241822e_cryptolocker.exe	82
PID 1612 wrote to memory of 4152	1612	2024-09-25_5b06b717a097fb3cfa7a5408d241822e_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-09-25_5b06b717a097fb3cfa7a5408d241822e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-25_5b06b717a097fb3cfa7a5408d241822e_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1612
- 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:4152

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

Loading Replay Monitor...

Downloads

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

Filesize
36KB

MD5
a61056c1aef84807deb59dfc79c0e99e

SHA1
3eaeb0eeca427907eced7df160c236dff77d5dee

SHA256
cc87f048da6bbaf7d9272baf773c83538f02ca58615385c7ac8b9694423d97cb

SHA512
90784d920c919a78fe47f04911369cb3b3fce8cf85bb0399c6a842e6c7b87fe1519ccd6dbe88e53f0aa65124a0d07a6ac64f7a058f68060b19bd2eb0bfd298bb

Download Submit
memory/1612-0-0x0000000002260000-0x0000000002266000-memory.dmp

Filesize
24KB

Download
memory/1612-1-0x0000000002260000-0x0000000002266000-memory.dmp

Filesize
24KB

Download
memory/1612-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4152-25-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download