11c635677f6c818c801a5e5ad0cbcacac47a1ab4e6a3cc1c85ecdea2b389dd37

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
15-03-2024 10:51

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-03-15_e717558b57b7987d70dc01b31f6dee8d_cryptolocker.exe
Size

65KB
MD5

e717558b57b7987d70dc01b31f6dee8d
SHA1

184a8aba7d56f1e750dedfee09bc75e402f9499f
SHA256

11c635677f6c818c801a5e5ad0cbcacac47a1ab4e6a3cc1c85ecdea2b389dd37
SHA512

89b5ebc293c21a3cac44dff58003a96c2006ed162e21c8f1cc0e95e6d9183ae183b88fe9329ed7589873e7dc364336bded156a687fc255e218a16b73cfc1f930
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3hvLcbV+:ZVxkGOtEvwDpjcawY

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000300000001e9a0-13.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-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation	2024-03-15_e717558b57b7987d70dc01b31f6dee8d_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3020	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 864 wrote to memory of 3020	864	2024-03-15_e717558b57b7987d70dc01b31f6dee8d_cryptolocker.exe	89
PID 864 wrote to memory of 3020	864	2024-03-15_e717558b57b7987d70dc01b31f6dee8d_cryptolocker.exe	89
PID 864 wrote to memory of 3020	864	2024-03-15_e717558b57b7987d70dc01b31f6dee8d_cryptolocker.exe	89

C:\Users\Admin\AppData\Local\Temp\2024-03-15_e717558b57b7987d70dc01b31f6dee8d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-15_e717558b57b7987d70dc01b31f6dee8d_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:864
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3020

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
65KB

MD5
6080b285e7246f677bd4d07bcb414abd

SHA1
5d2a22039673e85f79a52b54a8c36e333b96ba8d

SHA256
87360203be480395dee3093f201f1cde88c150f7a6356ae83320355207507afa

SHA512
2c05f0b489dd2f55506b405c55e3a805305cab5445130077a3e9d84f8919289491149e9518aaac83272df76976b7616cde10839f07f819dfc239d891ebb601fb

Download Submit
memory/864-0-0x00000000004E0000-0x00000000004E3000-memory.dmp

Filesize
12KB

Download
memory/864-1-0x00000000007B0000-0x00000000007B6000-memory.dmp

Filesize
24KB

Download
memory/864-2-0x00000000007B0000-0x00000000007B6000-memory.dmp

Filesize
24KB

Download
memory/864-3-0x0000000002230000-0x0000000002236000-memory.dmp

Filesize
24KB

Download
memory/864-17-0x00000000004E0000-0x00000000004E3000-memory.dmp

Filesize
12KB

Download
memory/3020-19-0x0000000000450000-0x0000000000490000-memory.dmp

Filesize
256KB

Download
memory/3020-20-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/3020-21-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3020-27-0x0000000000450000-0x0000000000490000-memory.dmp

Filesize
256KB

Download