91e2bbc98d098880c88d86efa27d63bf8ae96700008569b91ec88676f0489f0c

Analysis

max time kernel
190s
max time network
198s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
14/10/2023, 00:23

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General

Target

2023-08-25_6010613e4c37ce89fd89428a24819af6_cryptolocker_JC.exe
Size

40KB
MD5

6010613e4c37ce89fd89428a24819af6
SHA1

35bf27e5179dd3e2b18b8f39e703e992c03f2b9d
SHA256

91e2bbc98d098880c88d86efa27d63bf8ae96700008569b91ec88676f0489f0c
SHA512

07602713b4d98eeeb2702a72fbe2aa2e0c6f90aa6ce939af6fa84075003de3443578252859fa845e7298b639e6e11d8b220b06cf18f761c22611cd803778b7d0
SSDEEP

768:bIDOw9UiaCHfjnE0Sf88AvvP1oghYvm9/6D8jnPx+:bIDOw9a0Dwo3P1ojvUSD4P0

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-1-5-21-919254492-3979293997-764407192-1000\Control Panel\International\Geo\Nation	2023-08-25_6010613e4c37ce89fd89428a24819af6_cryptolocker_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
1972	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 2072 wrote to memory of 1972	2072	2023-08-25_6010613e4c37ce89fd89428a24819af6_cryptolocker_JC.exe	85
PID 2072 wrote to memory of 1972	2072	2023-08-25_6010613e4c37ce89fd89428a24819af6_cryptolocker_JC.exe	85
PID 2072 wrote to memory of 1972	2072	2023-08-25_6010613e4c37ce89fd89428a24819af6_cryptolocker_JC.exe	85

C:\Users\Admin\AppData\Local\Temp\2023-08-25_6010613e4c37ce89fd89428a24819af6_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\2023-08-25_6010613e4c37ce89fd89428a24819af6_cryptolocker_JC.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2072
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:1972

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
40KB

MD5
5aa89ddae8c72a7fafda1f65150ac793

SHA1
600810b37d90c18006760b7d0627e8c51dfd4af7

SHA256
bdb6d56f23fee6191d67b5aecd8b8cbd2191a7aac3bc38e08758c89a40e179a5

SHA512
bc67c57a9a649d3b05496a98e3d81d5c20b6ef4adc4a8a9d4b3a8876e53325a251cf0630a4be249a96b679395c35bc8bba6544a1e08ca0af218c4b11dd0e6dd2

Download Submit
C:\Users\Admin\AppData\Local\Temp\lossy.exe

Filesize
40KB

MD5
5aa89ddae8c72a7fafda1f65150ac793

SHA1
600810b37d90c18006760b7d0627e8c51dfd4af7

SHA256
bdb6d56f23fee6191d67b5aecd8b8cbd2191a7aac3bc38e08758c89a40e179a5

SHA512
bc67c57a9a649d3b05496a98e3d81d5c20b6ef4adc4a8a9d4b3a8876e53325a251cf0630a4be249a96b679395c35bc8bba6544a1e08ca0af218c4b11dd0e6dd2

Download Submit
C:\Users\Admin\AppData\Local\Temp\lossy.exe

Filesize
40KB

MD5
5aa89ddae8c72a7fafda1f65150ac793

SHA1
600810b37d90c18006760b7d0627e8c51dfd4af7

SHA256
bdb6d56f23fee6191d67b5aecd8b8cbd2191a7aac3bc38e08758c89a40e179a5

SHA512
bc67c57a9a649d3b05496a98e3d81d5c20b6ef4adc4a8a9d4b3a8876e53325a251cf0630a4be249a96b679395c35bc8bba6544a1e08ca0af218c4b11dd0e6dd2

Download Submit
memory/1972-17-0x00000000020E0000-0x00000000020E6000-memory.dmp

Filesize
24KB

Download
memory/1972-18-0x0000000000720000-0x0000000000726000-memory.dmp

Filesize
24KB

Download
memory/2072-0-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/2072-1-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/2072-2-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download