82233a645f2558803b238cc22d81e8b8a5dcaa5887fd6d4b969352b44f60ef99

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
22/02/2024, 12:25

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-02-22_08ae54bcb496af5555e6a0826512b612_cryptolocker.exe
Size

90KB
MD5

08ae54bcb496af5555e6a0826512b612
SHA1

42f5cad1c4761ecc34a3ed2695171256c5177c08
SHA256

82233a645f2558803b238cc22d81e8b8a5dcaa5887fd6d4b969352b44f60ef99
SHA512

e3dc6a3e79c1a7931f5a292f2f0f0f1901fb42c77837aba5e16c60425676e0aa77a55bc8b76113b65f08580a7d31cd4e5e1d65326cb1a6933ca75b8485904d8d
SSDEEP

1536:vj+jsMQMOtEvwDpj5H8u8rBN6nqEZNi1OkQNh:vCjsIOtEvwDpj5H8zPsF

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000300000001e96f-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x000300000001e96f-12.dat	CryptoLocker_set1

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-1-5-21-1392040655-2056082574-619088944-1000\Control Panel\International\Geo\Nation	2024-02-22_08ae54bcb496af5555e6a0826512b612_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3936	misid.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 2500 wrote to memory of 3936	2500	2024-02-22_08ae54bcb496af5555e6a0826512b612_cryptolocker.exe	39
PID 2500 wrote to memory of 3936	2500	2024-02-22_08ae54bcb496af5555e6a0826512b612_cryptolocker.exe	39
PID 2500 wrote to memory of 3936	2500	2024-02-22_08ae54bcb496af5555e6a0826512b612_cryptolocker.exe	39

C:\Users\Admin\AppData\Local\Temp\2024-02-22_08ae54bcb496af5555e6a0826512b612_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-22_08ae54bcb496af5555e6a0826512b612_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2500
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3936

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

Loading Replay Monitor...

Downloads

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

Filesize
90KB

MD5
e1cbc13e1581465aeba3b8734be4b050

SHA1
bf3a41a72dc4d7566a503e002c2330173ba43fe1

SHA256
3a0437c2ba9e12b24d8b5bc9174c54f6edf2415dc4c3df893a4e0f42ba912bd2

SHA512
28105157637850b9dc5ff3dc15fbea817ff8d936e7c4e087f56b2190f4e62c67dcc11bcc3c029196d8be94cd215d50c164c87288e57d9959f34c6bbd4ac5deae

Download Submit
memory/2500-0-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/2500-2-0x0000000002230000-0x0000000002236000-memory.dmp

Filesize
24KB

Download
memory/2500-1-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/3936-17-0x0000000002080000-0x0000000002086000-memory.dmp

Filesize
24KB

Download
memory/3936-23-0x0000000002050000-0x0000000002056000-memory.dmp

Filesize
24KB

Download