3b01959fd1b814c12583861def9c0a938ed99bab850c9ff4754632568023cdea

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
09/05/2024, 14:32

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General

Target

2024-05-09_320a78aad0dc43596a7907fa43e7f0e3_cryptolocker.exe
Size

43KB
MD5

320a78aad0dc43596a7907fa43e7f0e3
SHA1

f38be548cfab6ed4bae7f9ae51ec98eb2837efbc
SHA256

3b01959fd1b814c12583861def9c0a938ed99bab850c9ff4754632568023cdea
SHA512

fb5a1a78a00724ca853386612d8a262492eb091fc124e4ba3eb3fcf07ec6fcefa79e5c7e2733b299094bc27bf3849be9c23d3714050974114e9afe9935850536
SSDEEP

384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzoiM8Nekdvjl9V50i3NbZM+iF:bAvJCYOOvbRPDEgXrNekd7l94i3p+TBz

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0009000000023380-17.dat	CryptoLocker_rule2

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-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation	2024-05-09_320a78aad0dc43596a7907fa43e7f0e3_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2312	demka.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4912 wrote to memory of 2312	4912	2024-05-09_320a78aad0dc43596a7907fa43e7f0e3_cryptolocker.exe	85
PID 4912 wrote to memory of 2312	4912	2024-05-09_320a78aad0dc43596a7907fa43e7f0e3_cryptolocker.exe	85
PID 4912 wrote to memory of 2312	4912	2024-05-09_320a78aad0dc43596a7907fa43e7f0e3_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-05-09_320a78aad0dc43596a7907fa43e7f0e3_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-09_320a78aad0dc43596a7907fa43e7f0e3_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4912
- C:\Users\Admin\AppData\Local\Temp\demka.exe
  "C:\Users\Admin\AppData\Local\Temp\demka.exe"
  2⤵
  - Executes dropped EXE
  PID:2312

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
43KB

MD5
373a2a882bef4ee457501bfef1565cae

SHA1
f808337b53833b65817be086cce4da8c0569004c

SHA256
b3c2d222e6a5de6fb8f969efc331ce4d087571dc2e35622d11aa565648e5f171

SHA512
be41f04bc930037ee95dee9e0fc50ec67d8ec374604eef5d11f13609261778144980f7247b8271bdab0b61e2c007c71c64be1b3490bc97e15c4872e2f2589645

Download Submit
memory/2312-25-0x0000000002150000-0x0000000002156000-memory.dmp

Filesize
24KB

Download
memory/4912-0-0x0000000002120000-0x0000000002126000-memory.dmp

Filesize
24KB

Download
memory/4912-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4912-8-0x0000000002120000-0x0000000002126000-memory.dmp

Filesize
24KB

Download