429bcb60c5fd543540e2c89a04c878f78f39c886bf856de05bcb571aecce8c47

Analysis

max time kernel
156s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24-02-2024 21:24

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-02-24_0f666a3685537396cdedb73f375f8b0a_cryptolocker.exe
Size

386KB
MD5

0f666a3685537396cdedb73f375f8b0a
SHA1

7c753fe79755a2e45145028b872cad6cb6f86c85
SHA256

429bcb60c5fd543540e2c89a04c878f78f39c886bf856de05bcb571aecce8c47
SHA512

fec5b0ec02c51a7ae5c96b6f21f8349446d80ed2af853d4bc1456e5dcb50a31f1e26727464c0bc099fbd793d8201d1cab9f915eeafb19a277ea3c94affb93bc0
SSDEEP

6144:nnOsaQgAOjvrZFODJjBz3j1jTqQy6v2GGnugOtihzXI:nnOflT/ZFIjBz3xjTxynGUOUhXI

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x00080000000230f2-12.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-1-5-21-3844919115-497234255-166257750-1000\Control Panel\International\Geo\Nation	2024-02-24_0f666a3685537396cdedb73f375f8b0a_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1636	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 1004 wrote to memory of 1636	1004	2024-02-24_0f666a3685537396cdedb73f375f8b0a_cryptolocker.exe	85
PID 1004 wrote to memory of 1636	1004	2024-02-24_0f666a3685537396cdedb73f375f8b0a_cryptolocker.exe	85
PID 1004 wrote to memory of 1636	1004	2024-02-24_0f666a3685537396cdedb73f375f8b0a_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-02-24_0f666a3685537396cdedb73f375f8b0a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-24_0f666a3685537396cdedb73f375f8b0a_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1004
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:1636

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
386KB

MD5
ac382f5d21de893283d0fad6007080ce

SHA1
3c488739af17adfcb7ffca5d8c91d724b11e4b35

SHA256
f69f76002b946d48605ef5a3d75e43f4f36d0e05885b0ca51d3f1e56f0601103

SHA512
a3508850a1b8f9db71a1eebd90dbf8a9fe6dd1eceadcd0a0bcabebdc792059c726e55e3bfc12bbf10738a69d0a58a00e8d6cad174a7f6082d6467339ba3284eb

Download Submit
memory/1004-0-0x0000000002260000-0x0000000002266000-memory.dmp

Filesize
24KB

Download
memory/1004-1-0x0000000002260000-0x0000000002266000-memory.dmp

Filesize
24KB

Download
memory/1004-2-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download
memory/1636-17-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download
memory/1636-19-0x0000000000700000-0x0000000000706000-memory.dmp

Filesize
24KB

Download