9cd360c3cec504c4eec60b9f3621fc19a1c904b24ea960aae74de3d6f6845d56

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
04-07-2024 15:57

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General

Target

2024-07-04_4721360a953d6e4cebc77d4609841501_cryptolocker.exe
Size

66KB
MD5

4721360a953d6e4cebc77d4609841501
SHA1

aed8cc48d788e2c888bea80017d06e20cb68df75
SHA256

9cd360c3cec504c4eec60b9f3621fc19a1c904b24ea960aae74de3d6f6845d56
SHA512

5df2beecd2ce02c52b830a22c5fbd284b293ef667e7936db880f256feb1c23ae754ba1d88492325468fd054c8589f683c2818d831800a6b53d690e068821f2d7
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszudnYTjipvF293W4:aq7tdgI2MyzNORQtOflIwoHNV2XBFV73

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	2024-07-04_4721360a953d6e4cebc77d4609841501_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
620	hurok.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 3716 wrote to memory of 620	3716	2024-07-04_4721360a953d6e4cebc77d4609841501_cryptolocker.exe	81
PID 3716 wrote to memory of 620	3716	2024-07-04_4721360a953d6e4cebc77d4609841501_cryptolocker.exe	81
PID 3716 wrote to memory of 620	3716	2024-07-04_4721360a953d6e4cebc77d4609841501_cryptolocker.exe	81

C:\Users\Admin\AppData\Local\Temp\2024-07-04_4721360a953d6e4cebc77d4609841501_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-04_4721360a953d6e4cebc77d4609841501_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3716
- C:\Users\Admin\AppData\Local\Temp\hurok.exe
  "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
  2⤵
  - Executes dropped EXE
  PID:620

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\hurok.exe

Filesize
66KB

MD5
e3785abac086a786c0475ea868dd5892

SHA1
9ebf1bbb074df7a3636aa5ba69fd7225087cfe4c

SHA256
17241f85071dc2e7e1c48867de197500b7054a63a524a92396957ea9f666fe50

SHA512
bed887c686c3412a8c259ed6a4ac08d0a35c97e52fe68205436fd8c71c9bade50ef32c9f6416f2e6351bf80be10b03e161b229c47294f84bfaae3bf929f3ef13

Download Submit
memory/620-19-0x0000000002040000-0x0000000002046000-memory.dmp

Filesize
24KB

Download
memory/3716-0-0x0000000002050000-0x0000000002056000-memory.dmp

Filesize
24KB

Download
memory/3716-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3716-8-0x0000000002050000-0x0000000002056000-memory.dmp

Filesize
24KB

Download