41fef86cf1b576112ac71db00c5d12a18bdc159cb31f3d6e7a5c336320690352

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
15/04/2024, 17:25

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General

Target

20240414655498227a7a9cffcfd9a28d9aa53da8cryptolocker.exe
Size

53KB
MD5

655498227a7a9cffcfd9a28d9aa53da8
SHA1

6a6ce09ce6d79efb7b9e95b40c2340f0f88ce284
SHA256

41fef86cf1b576112ac71db00c5d12a18bdc159cb31f3d6e7a5c336320690352
SHA512

428ab4df4ca514a058a5614ff2e35990daf55c68775845215ecf684f124022a3a786b03bebd3e53a2cf659fbd9ad34588bd08404081cf889642a5f9612d79bc5
SSDEEP

768:bIDOw9UiaCHfjnE0Sfa7ilR0p9u6p4ICNBCXK9XbTb8puq:bIDOw9a0DwitDZzcTLq

Score

7^/10

Malware Config

Signatures

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-1-5-21-259785868-298165991-4178590326-1000\Control Panel\International\Geo\Nation	20240414655498227a7a9cffcfd9a28d9aa53da8cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
5052	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 5008 wrote to memory of 5052	5008	20240414655498227a7a9cffcfd9a28d9aa53da8cryptolocker.exe	85
PID 5008 wrote to memory of 5052	5008	20240414655498227a7a9cffcfd9a28d9aa53da8cryptolocker.exe	85
PID 5008 wrote to memory of 5052	5008	20240414655498227a7a9cffcfd9a28d9aa53da8cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\20240414655498227a7a9cffcfd9a28d9aa53da8cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\20240414655498227a7a9cffcfd9a28d9aa53da8cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5008
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:5052

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
54KB

MD5
3f7eebe1ea020909cb0655bca067e397

SHA1
4afd7cbbb5ffdf6fe34aacb3a46af09bdf87e53d

SHA256
6caee73999a03ddfd182f42273314d98c9896d5d40d5bd39d2b79d8944ba9fb1

SHA512
6d493724b3e1b34fcc679bf3de80bbbaecd11a800ab298dee92ad2be2e6ab3431a9a5f0152be96f601723a4403014e51a4d538fd81d88922ee4a114c6bfda7a3

Download Submit
memory/5008-0-0x0000000002170000-0x0000000002176000-memory.dmp

Filesize
24KB

Download
memory/5008-1-0x0000000002170000-0x0000000002176000-memory.dmp

Filesize
24KB

Download
memory/5008-2-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/5052-17-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/5052-18-0x00000000020C0000-0x00000000020C6000-memory.dmp

Filesize
24KB

Download