b22797dd0711911595fc1f3e7d88d8b3ce0cec94450561ec232ce20d4abe577f

Analysis

max time kernel
148s
max time network
150s
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, 04:27

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General

Target

2024-09-19_589de5b51c56e34ac92d5926b2c6caab_cryptolocker.exe
Size

46KB
MD5

589de5b51c56e34ac92d5926b2c6caab
SHA1

854585b8f466bb3d7afee70a7c1926c9a7c1af02
SHA256

b22797dd0711911595fc1f3e7d88d8b3ce0cec94450561ec232ce20d4abe577f
SHA512

ad767c4b07500f72051eb3418bff1c23934be59ddfe47e3ba8b3d3b6151ec49b890608287b54a3a341fd76ec91f98b91efe00c4221eab6867348529b04ef2c2c
SSDEEP

768:qmOKYQDf5XdrDmjr5tOOtEvwDpjAajFEitQbDmoSQCVUBJUkQqAHBIG05W2MoLc:qmbhXDmjr5MOtEvwDpj5cDtKkQZQy

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	2024-09-19_589de5b51c56e34ac92d5926b2c6caab_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4604	asih.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	asih.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-19_589de5b51c56e34ac92d5926b2c6caab_cryptolocker.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3232 wrote to memory of 4604	3232	2024-09-19_589de5b51c56e34ac92d5926b2c6caab_cryptolocker.exe	82
PID 3232 wrote to memory of 4604	3232	2024-09-19_589de5b51c56e34ac92d5926b2c6caab_cryptolocker.exe	82
PID 3232 wrote to memory of 4604	3232	2024-09-19_589de5b51c56e34ac92d5926b2c6caab_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-09-19_589de5b51c56e34ac92d5926b2c6caab_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-19_589de5b51c56e34ac92d5926b2c6caab_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3232
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4604

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\asih.exe

Filesize
46KB

MD5
067153630347025f8894ff07cf06fe68

SHA1
9e8a74785b1400a9a2f9ffd0a157e0d30ca846b4

SHA256
30c032da2343284ed3cbad4b89e17d1421aa0587119a3ed0636920ff6c3b9bb0

SHA512
8ade25a4999adaf8d713214ddbe81b9f8ae53fbc1b601d8ee26ccdd1890a7f0b8892f8e19e5d5d25f1255db0d76179f7729063d88f48530266b85f097f4d1f9e

Download Submit
memory/3232-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/3232-1-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/3232-2-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/3232-4-0x00000000020D0000-0x00000000020D6000-memory.dmp

Filesize
24KB

Download
memory/3232-18-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4604-20-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/4604-21-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/4604-27-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download