c4db06bcb666732932aaed3b8c3224fa527b18c9fd3a88c03c4af2efc4a546a3

Analysis

max time kernel
6s
max time network
171s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04-01-2024 15:13

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General

Target

2024-01-03_24b1ebdc4f235209426d00e2d41f60e5_cryptolocker.exe
Size

45KB
MD5

24b1ebdc4f235209426d00e2d41f60e5
SHA1

d96545f7ff31674af2e8b86c4e494324dcdcd3c7
SHA256

c4db06bcb666732932aaed3b8c3224fa527b18c9fd3a88c03c4af2efc4a546a3
SHA512

2e2b1bed3f885c131db219c713220a9e40feeb5504cfd23970487dd7d37832c4e4b7431f0d1ac59bab3aa5bb87614618d56086abaedaaaae4c46e261c9c17048
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37Yl6deMx:bgGYcA/53GAA6y37Q6dB

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-1-5-21-2398549320-3657759451-817663969-1000\Control Panel\International\Geo\Nation	2024-01-03_24b1ebdc4f235209426d00e2d41f60e5_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2904	hasfj.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 3780 wrote to memory of 2904	3780	2024-01-03_24b1ebdc4f235209426d00e2d41f60e5_cryptolocker.exe	44
PID 3780 wrote to memory of 2904	3780	2024-01-03_24b1ebdc4f235209426d00e2d41f60e5_cryptolocker.exe	44
PID 3780 wrote to memory of 2904	3780	2024-01-03_24b1ebdc4f235209426d00e2d41f60e5_cryptolocker.exe	44

C:\Users\Admin\AppData\Local\Temp\2024-01-03_24b1ebdc4f235209426d00e2d41f60e5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-03_24b1ebdc4f235209426d00e2d41f60e5_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3780
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2904

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\hasfj.exe

Filesize
45KB

MD5
744a1fdf68a37e83e62bcd6f8eeb3708

SHA1
2f076388530894e045a6f650faae840ab8d92dd1

SHA256
f8de4b304312a5b78e1d89efe48e4b93b16442b69231009d1f890338d2002a28

SHA512
92b3e93bd2450a557b2492af09f955ba8681abe7793beb6152fddd71daaba79e185a4a25c5753b6c88de7e05211ff8c2a977fd58b679f7afe03de161c40eb3bb

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

Filesize
6KB

MD5
662c19bf0cae4d7bfb2e5287c0359f3d

SHA1
5e57535bc0d79d2602e531f2e11e7b2e6eb27036

SHA256
3e8157d76b93b2418706c6f2041008f139cbd1de1e49e76019b19525e03ecca9

SHA512
7c6338ee0ee970e9f79cfdd4b4752b80b73cfb42b21824e99cde86feccf475bf63b4f3594ffb0f9adb874a1afc0cc79f5224ea47a720c38c1ff2843284a85d4f

Download Submit
memory/2904-23-0x00000000026A0000-0x00000000026A6000-memory.dmp

Filesize
24KB

Download
memory/2904-17-0x00000000026D0000-0x00000000026D6000-memory.dmp

Filesize
24KB

Download
memory/3780-0-0x0000000002350000-0x0000000002356000-memory.dmp

Filesize
24KB

Download
memory/3780-1-0x0000000002350000-0x0000000002356000-memory.dmp

Filesize
24KB

Download
memory/3780-2-0x0000000002400000-0x0000000002406000-memory.dmp

Filesize
24KB

Download