9263600b8e1cdc093e6ef0ead8aba7623fd8a8c86b9dc9ca591f8540b4b948b9

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
13/02/2024, 06:24

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

2024-02-13_df7242b9663d09d88cc035fef48eb57b_cryptolocker.exe
Size

385KB
MD5

df7242b9663d09d88cc035fef48eb57b
SHA1

60a0ec671fd94ff87d8c75706144588fa2aa8b66
SHA256

9263600b8e1cdc093e6ef0ead8aba7623fd8a8c86b9dc9ca591f8540b4b948b9
SHA512

1e39ff4b594d4a32115bca1fac8845311828dc9ba625b7e92878e98e234c3399fe4c7421b514b2a12e68036aa3f924e28719fa691da13fc3f67bc1bb22214b15
SSDEEP

6144:nnOsaQgAOjvrZFODJjBz3j1jTqQy6v2GGnugOtihzXa:nnOflT/ZFIjBz3xjTxynGUOUhXa

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000c00000002314e-12.dat	CryptoLocker_rule2

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-1-5-21-3791175113-1062217823-1177695025-1000\Control Panel\International\Geo\Nation	2024-02-13_df7242b9663d09d88cc035fef48eb57b_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2020	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 3180 wrote to memory of 2020	3180	2024-02-13_df7242b9663d09d88cc035fef48eb57b_cryptolocker.exe	85
PID 3180 wrote to memory of 2020	3180	2024-02-13_df7242b9663d09d88cc035fef48eb57b_cryptolocker.exe	85
PID 3180 wrote to memory of 2020	3180	2024-02-13_df7242b9663d09d88cc035fef48eb57b_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-02-13_df7242b9663d09d88cc035fef48eb57b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-13_df7242b9663d09d88cc035fef48eb57b_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3180
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2020

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

Loading Replay Monitor...

Downloads

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

Filesize
385KB

MD5
2f3edc251d2ad35a55775c837ca3f4b6

SHA1
375ea928fb545846208103304a041ea2da58f16e

SHA256
2f80b94564b40f9987e81a64b0c0f094813adcb7c98f8fc2453e336830a634e2

SHA512
53c817333e1024b1038fc9d5e22c4053b2b972d1f9bf6354835b326c5b8914fdfc1521568894693b878f5a57d706f3ebd02870be3ae2597e75e4d90898789c9e

Download Submit
memory/2020-17-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download
memory/2020-20-0x0000000002020000-0x0000000002026000-memory.dmp

Filesize
24KB

Download
memory/3180-0-0x00000000022D0000-0x00000000022D6000-memory.dmp

Filesize
24KB

Download
memory/3180-1-0x00000000022D0000-0x00000000022D6000-memory.dmp

Filesize
24KB

Download
memory/3180-2-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download