648505004d164c0394cd7c931297d9eb26092c00a1550b67002debdafa47e0cb

Analysis

max time kernel
150s
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
29-02-2024 08:37

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General

Target

2024-02-29_60ac56d9be95310dc4dea9c046cf9ed8_cryptolocker.exe
Size

47KB
MD5

60ac56d9be95310dc4dea9c046cf9ed8
SHA1

5dd18d0fc2d2550ff446454198f81cc3d035d312
SHA256

648505004d164c0394cd7c931297d9eb26092c00a1550b67002debdafa47e0cb
SHA512

960ff8931ebf57d0c16d420526398ea5dc217f2580e491873bd7ed1ca06e53c05d324d7d8045966e4fb78961b4f8f428744b581659120f6f25cf5c31d19f3f2f
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37YbDu5z/hvQku:bgGYcA/53GAA6y37nbU

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000300000001e9a0-12.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	2024-02-29_60ac56d9be95310dc4dea9c046cf9ed8_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4556	hasfj.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 2364 wrote to memory of 4556	2364	2024-02-29_60ac56d9be95310dc4dea9c046cf9ed8_cryptolocker.exe	91
PID 2364 wrote to memory of 4556	2364	2024-02-29_60ac56d9be95310dc4dea9c046cf9ed8_cryptolocker.exe	91
PID 2364 wrote to memory of 4556	2364	2024-02-29_60ac56d9be95310dc4dea9c046cf9ed8_cryptolocker.exe	91

C:\Users\Admin\AppData\Local\Temp\2024-02-29_60ac56d9be95310dc4dea9c046cf9ed8_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-29_60ac56d9be95310dc4dea9c046cf9ed8_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:4556

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\hasfj.exe

Filesize
47KB

MD5
ec252a1d73f22b0766b1f7dea4ba4282

SHA1
754afbe61374f38f1bcde33857ea4fa62a6bbadd

SHA256
dfb0e0ecc570dda646684af37fc9e1338f0d2474ca0f9b39ac2d929b6904ce36

SHA512
f635346cd10711640a4508692aac7b4c09780ae69d76423d0017906bd190c2cd86423743077ce38234c43b105132369c300b87adec257d2b798a7f0339999e41

Download Submit
memory/2364-0-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/2364-1-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/2364-2-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download
memory/4556-17-0x0000000002240000-0x0000000002246000-memory.dmp

Filesize
24KB

Download
memory/4556-18-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download