aef7ec53c92e0ab0e0bff55931afbf593109d9e5251cf9a1ef0bd825ba7b9dea

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
17/05/2024, 17:09

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General

Target

2024051746714dd4994001ca3b22e130fa966ad2cryptolocker.exe
Size

42KB
MD5

46714dd4994001ca3b22e130fa966ad2
SHA1

e1507303982ab0b84e114c4f4eb58368aa587faf
SHA256

aef7ec53c92e0ab0e0bff55931afbf593109d9e5251cf9a1ef0bd825ba7b9dea
SHA512

998422752f086d73095283358ec20e58997e5c3bdb72d3a26f7a9b72abaac48802282936a6bef8528fa1377219fa8e04fd90e54123393e6dcebf070b595e80bd
SSDEEP

768:bIDOw9UiaCHfjnE0Sf88AvvP1oghYvm9/6DyE9x38DaM:bIDOw9a0Dwo3P1ojvUSD79RA

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-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	2024051746714dd4994001ca3b22e130fa966ad2cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3448	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 4616 wrote to memory of 3448	4616	2024051746714dd4994001ca3b22e130fa966ad2cryptolocker.exe	81
PID 4616 wrote to memory of 3448	4616	2024051746714dd4994001ca3b22e130fa966ad2cryptolocker.exe	81
PID 4616 wrote to memory of 3448	4616	2024051746714dd4994001ca3b22e130fa966ad2cryptolocker.exe	81

C:\Users\Admin\AppData\Local\Temp\2024051746714dd4994001ca3b22e130fa966ad2cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024051746714dd4994001ca3b22e130fa966ad2cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4616
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:3448

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
43KB

MD5
b8d270cc3f0d4f5f4f0ea410c8b129c6

SHA1
5347a976ff86c42a0493cce595d7b66a0460a192

SHA256
4fa5e659358fcf6636407a5eea19f2a84a8619929cbd7aba3dc88bea1f55285b

SHA512
ca21a0ac682e25dabebe6c8848734616b9d05b6df6cee44fbb66261e2b22a1cae82e4faa5a7bb38939d7af3ac8280edccfdef8801285a1f59be637dbbaed181c

Download Submit
memory/3448-17-0x0000000001FE0000-0x0000000001FE6000-memory.dmp

Filesize
24KB

Download
memory/3448-23-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/4616-0-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download
memory/4616-1-0x0000000002060000-0x0000000002066000-memory.dmp

Filesize
24KB

Download
memory/4616-8-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download