fe5d1f01bec31197e6d607515397461dc33ca5f9aafad70729e4ce8c081611c4

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10/03/2024, 10:41

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

2024-03-10_b0d3184222e7f5df7a1940fc4d70863e_cryptolocker.exe
Size

47KB
MD5

b0d3184222e7f5df7a1940fc4d70863e
SHA1

802f572b132494daba83722a6673e84b5e449501
SHA256

fe5d1f01bec31197e6d607515397461dc33ca5f9aafad70729e4ce8c081611c4
SHA512

fb971e593502fce1b7e84b96179f7412a3dbd1f7afd1ddd88e02b3eeb209cc94b4baf773a4d9bd179fc293a17e416e548fcde76a7999d9808b4162a798f7407e
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjIm8z2iaSIO/WZrEu/d+qmsUHQ1wsc:ZzFbxmLPWQMOtEvwDpj386Sj/WprqQ1e

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000200000001f656-13.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-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation	2024-03-10_b0d3184222e7f5df7a1940fc4d70863e_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2132	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 4588 wrote to memory of 2132	4588	2024-03-10_b0d3184222e7f5df7a1940fc4d70863e_cryptolocker.exe	90
PID 4588 wrote to memory of 2132	4588	2024-03-10_b0d3184222e7f5df7a1940fc4d70863e_cryptolocker.exe	90
PID 4588 wrote to memory of 2132	4588	2024-03-10_b0d3184222e7f5df7a1940fc4d70863e_cryptolocker.exe	90

C:\Users\Admin\AppData\Local\Temp\2024-03-10_b0d3184222e7f5df7a1940fc4d70863e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-10_b0d3184222e7f5df7a1940fc4d70863e_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4588
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2132

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
47KB

MD5
1c45ee32fb29d32f3a86b21e1d74a1ca

SHA1
2199f3926b71f9bff10e03d191abd479fcc46f1c

SHA256
69821fab599b66c78d6b16a4f4ce7969bedf4005ca4fe2a478924c0014ae9de5

SHA512
4ec1a420b90a23c20a60c78745f1b813ded6a4911d5543455d2c1b9a596569d6e8ecad1052d0c6cedf6edfa34d7e8adcfd432d9b567c076320d65167a772f58c

Download Submit
memory/2132-17-0x00000000004E0000-0x00000000004E3000-memory.dmp

Filesize
12KB

Download
memory/2132-21-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/2132-20-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download
memory/4588-0-0x00000000004E0000-0x00000000004E3000-memory.dmp

Filesize
12KB

Download
memory/4588-1-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/4588-2-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/4588-3-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/4588-18-0x00000000004E0000-0x00000000004E3000-memory.dmp

Filesize
12KB

Download