6856ea25bf822cec89f4baf343c59507e9710c442f87e658b6c422127a07fd6f

Analysis

max time kernel
150s
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
05/04/2024, 03:51

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General

Target

2024-04-05_7fcd42dc340c446c1514a1e55e426752_cryptolocker.exe
Size

388KB
MD5

7fcd42dc340c446c1514a1e55e426752
SHA1

a426c6bff4bbe191c64e280976e5b6184de09058
SHA256

6856ea25bf822cec89f4baf343c59507e9710c442f87e658b6c422127a07fd6f
SHA512

c2863d0a7a79f490aaf4ee5085dd3a2c3492cc796d64fa33bc03671bab415d517784d67efd328a50e211921799124fa44ebe4a3f0d84728f676204ac9c4d6258
SSDEEP

6144:nnOsaQgAOjvrZFODJjBz3j1jTqQy6v2GGnugOtihzXC:nnOflT/ZFIjBz3xjTxynGUOUhXC

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023206-12.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-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\Geo\Nation	2024-04-05_7fcd42dc340c446c1514a1e55e426752_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
216	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 5092 wrote to memory of 216	5092	2024-04-05_7fcd42dc340c446c1514a1e55e426752_cryptolocker.exe	88
PID 5092 wrote to memory of 216	5092	2024-04-05_7fcd42dc340c446c1514a1e55e426752_cryptolocker.exe	88
PID 5092 wrote to memory of 216	5092	2024-04-05_7fcd42dc340c446c1514a1e55e426752_cryptolocker.exe	88

C:\Users\Admin\AppData\Local\Temp\2024-04-05_7fcd42dc340c446c1514a1e55e426752_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-05_7fcd42dc340c446c1514a1e55e426752_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5092
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:216

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
388KB

MD5
7eff56616efb6372415a4d94d5f3dc16

SHA1
bd23d9d6e39e444146b39f57a8b9cfc17427f80f

SHA256
93dc42e167cee3915740e5b546e8488502b30063e77fe5021153d660b716111e

SHA512
882d9fa5a1e9fb304ff207a942d999a7f2f439793d6835d70b4453dac3d4395b6de4a0fc4679cbba4d1f8e82f89ee346c6d7111c23b520dd0a337e84eb20a572

Download Submit
memory/216-17-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download
memory/216-18-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/5092-0-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download
memory/5092-1-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download
memory/5092-2-0x0000000002400000-0x0000000002406000-memory.dmp

Filesize
24KB

Download