4c07f49a5e1c9dc09935242f6dbf4c17e141e74cabed6803ef6f54e7ae6f4e5d

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
26/05/2024, 01:50

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General

Target

2024-05-26_d02ad6ded2387e9c2d20be57299b6420_cryptolocker.exe
Size

56KB
MD5

d02ad6ded2387e9c2d20be57299b6420
SHA1

a2fe35c8d358e21c51aaf8b70c66f96ff6b45a07
SHA256

4c07f49a5e1c9dc09935242f6dbf4c17e141e74cabed6803ef6f54e7ae6f4e5d
SHA512

d8c6100172ac5de7879127f66c314696f876d831d5e03e7060890e855ca8493d0332c0ec1efb5eb0c1f1821ed6af6f40c04e0658b5f4b96edc61df09de8b7c4c
SSDEEP

768:bIDOw9UiaCHfjnE0Sfa7ilR0p9u6p4ICNBCXK9XbTb8pu1V:bIDOw9a0DwitDZzcTL1V

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0006000000023276-12.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-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation	2024-05-26_d02ad6ded2387e9c2d20be57299b6420_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3060	lossy.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 1460 wrote to memory of 3060	1460	2024-05-26_d02ad6ded2387e9c2d20be57299b6420_cryptolocker.exe	82
PID 1460 wrote to memory of 3060	1460	2024-05-26_d02ad6ded2387e9c2d20be57299b6420_cryptolocker.exe	82
PID 1460 wrote to memory of 3060	1460	2024-05-26_d02ad6ded2387e9c2d20be57299b6420_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-05-26_d02ad6ded2387e9c2d20be57299b6420_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-26_d02ad6ded2387e9c2d20be57299b6420_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1460
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:3060

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\lossy.exe

Filesize
56KB

MD5
b1e6e1b5ae6f0e891675434a601d6ea8

SHA1
8144266350525e07abbe90383e54830e0b82abdb

SHA256
45523c37a19ef34d2e1ab71dd9051c07b58672664aa028e53c306520983156fc

SHA512
f3789076314c8af02a23ef29f44e2050158aff6610c7ccd560ee7f6fe48b912d4bfd225b4c7e4788e288421e13ff254b1358ce180dbfa2fc416a499ba408bc1a

Download Submit
memory/1460-0-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/1460-1-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download
memory/1460-8-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/3060-23-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3060-17-0x0000000002060000-0x0000000002066000-memory.dmp

Filesize
24KB

Download