70dd6c527c3f190477ea0b26dde4d2a1fba9c94e2074c8a79a016034eab165c3

Analysis

max time kernel
151s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
23/01/2024, 00:21

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-01-23_0211985466b883dc8876f89f7ab25865_cryptolocker.exe
Size

46KB
MD5

0211985466b883dc8876f89f7ab25865
SHA1

f75d7b71af112a7bd5dd167c2f2d116788efde92
SHA256

70dd6c527c3f190477ea0b26dde4d2a1fba9c94e2074c8a79a016034eab165c3
SHA512

0b08f26c2aa230741e0aa74512333fa8f7ba8dee34b3eb95e08309bfab2a049ca402ebd61a980f62f010e8806b60fe1063d47f1b6aa08aa6b82c9a0abc8499e4
SSDEEP

768:bIDOw9UiaCHfjnE0Sf88AvvP1oghYvm9/6D8jnPxyV4tFpF0Lo:bIDOw9a0Dwo3P1ojvUSD4PRtFp4o

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0009000000022480-12.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-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	2024-01-23_0211985466b883dc8876f89f7ab25865_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2356	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 2320 wrote to memory of 2356	2320	2024-01-23_0211985466b883dc8876f89f7ab25865_cryptolocker.exe	88
PID 2320 wrote to memory of 2356	2320	2024-01-23_0211985466b883dc8876f89f7ab25865_cryptolocker.exe	88
PID 2320 wrote to memory of 2356	2320	2024-01-23_0211985466b883dc8876f89f7ab25865_cryptolocker.exe	88

C:\Users\Admin\AppData\Local\Temp\2024-01-23_0211985466b883dc8876f89f7ab25865_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-23_0211985466b883dc8876f89f7ab25865_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2320
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:2356

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\lossy.exe

Filesize
46KB

MD5
5e291249506a2bcf0686d627dc27d56a

SHA1
f8df264e6f7459d00cef2a060c351cf49da725f5

SHA256
d3a6d6bc21bc980d58f5c42fe0c4efdbe776a1f94ff48cfe09917e3d16cac4fa

SHA512
07d6b2972aa72c0995859a31ab607bd0c594e820ff8872f97fe8803d95bc2368d4a339f7dd59604cea325c528be94150b320d369164ad614e9f5f85761487d69

Download Submit
memory/2320-0-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/2320-1-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/2320-2-0x0000000002220000-0x0000000002226000-memory.dmp

Filesize
24KB

Download
memory/2356-17-0x0000000002060000-0x0000000002066000-memory.dmp

Filesize
24KB

Download
memory/2356-22-0x0000000002040000-0x0000000002046000-memory.dmp

Filesize
24KB

Download