a510db28e2eb927a6a640f697270d2caf3533fcf85c994114ec2a1e2bb4fe91c

Analysis

max time kernel
150s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05/09/2024, 10:59

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General

Target

2024-09-05_fec69b34e0b9446bcdf7c410e0c530e9_cryptolocker.exe
Size

45KB
MD5

fec69b34e0b9446bcdf7c410e0c530e9
SHA1

da012704640348f59eae5bfb62136d37eaa31026
SHA256

a510db28e2eb927a6a640f697270d2caf3533fcf85c994114ec2a1e2bb4fe91c
SHA512

c8e4db7d26fd2e5a7705db8ba369f84d2c30b60f33dfbadf90e8d20e9ef4a726d299e27de87ef13d51b90d858eb5b4a69cda7a7a02c4b7bb09b957f970694f01
SSDEEP

384:bm74uGLLQRcsdeQ72ngEr4K7YmE8jb0nrlwfjDUk3b+Nd:bm74zYcgT/EkM0ryfjd3Wd

Score

7^/10

discovery

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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	2024-09-05_fec69b34e0b9446bcdf7c410e0c530e9_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4772	hasfj.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-05_fec69b34e0b9446bcdf7c410e0c530e9_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hasfj.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4588 wrote to memory of 4772	4588	2024-09-05_fec69b34e0b9446bcdf7c410e0c530e9_cryptolocker.exe	86
PID 4588 wrote to memory of 4772	4588	2024-09-05_fec69b34e0b9446bcdf7c410e0c530e9_cryptolocker.exe	86
PID 4588 wrote to memory of 4772	4588	2024-09-05_fec69b34e0b9446bcdf7c410e0c530e9_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-09-05_fec69b34e0b9446bcdf7c410e0c530e9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-05_fec69b34e0b9446bcdf7c410e0c530e9_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4588
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4772

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\hasfj.exe

Filesize
45KB

MD5
f24dbaa255ac81a5dda944f41bf1a823

SHA1
8a1317d9031611ea564efb2cab5ad551b4aea9a3

SHA256
febde292f3a212d044e5b791381e8a90e130f1db6a2d58da2d17b68b6160210a

SHA512
75a3b71da95e607cebbf54d951138b982d37ea1ac3dcca9dfd1567b0fe762ccce35f6916ec4e9f5522d6686988ea97755088a0dba43962d565ef61d7a5661a9e

Download Submit
memory/4588-0-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download
memory/4588-1-0x0000000002E90000-0x0000000002E96000-memory.dmp

Filesize
24KB

Download
memory/4588-2-0x0000000002E90000-0x0000000002E96000-memory.dmp

Filesize
24KB

Download
memory/4588-3-0x0000000003140000-0x0000000003146000-memory.dmp

Filesize
24KB

Download
memory/4588-17-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download
memory/4772-23-0x0000000002110000-0x0000000002116000-memory.dmp

Filesize
24KB

Download
memory/4772-19-0x0000000003000000-0x0000000003006000-memory.dmp

Filesize
24KB

Download
memory/4772-26-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download