6382547eadd9de0535b61a33693553f863bdc815d936ad7020f7275ecc455f0b

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
13/06/2024, 19:08

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General

Target

2024-06-13_ca88bcd89ec9edd8d9dc795d191e256a_cryptolocker.exe
Size

391KB
MD5

ca88bcd89ec9edd8d9dc795d191e256a
SHA1

3b7a74e1a91f4291ca4b4816cd16c0241433ff10
SHA256

6382547eadd9de0535b61a33693553f863bdc815d936ad7020f7275ecc455f0b
SHA512

e44a17ec363d5341d4218b67fdb1532a1e03fef388099408527485c88f2028e5464a3f959d884c4ceb1edacf61641e8b03e2e2eee043d6397b8723ebdd103b1e
SSDEEP

6144:nnOsaQgAOjvrZFODJjBz3j1jTqQy6v2GGnugOtihzXRC:nnOflT/ZFIjBz3xjTxynGUOUhXRC

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000700000002336e-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-1-5-21-200405930-3877336739-3533750831-1000\Control Panel\International\Geo\Nation	2024-06-13_ca88bcd89ec9edd8d9dc795d191e256a_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
5068	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 4356 wrote to memory of 5068	4356	2024-06-13_ca88bcd89ec9edd8d9dc795d191e256a_cryptolocker.exe	82
PID 4356 wrote to memory of 5068	4356	2024-06-13_ca88bcd89ec9edd8d9dc795d191e256a_cryptolocker.exe	82
PID 4356 wrote to memory of 5068	4356	2024-06-13_ca88bcd89ec9edd8d9dc795d191e256a_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-06-13_ca88bcd89ec9edd8d9dc795d191e256a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_ca88bcd89ec9edd8d9dc795d191e256a_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4356
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:5068

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
391KB

MD5
0e7e9db41ac0b8bc3964030311dd188c

SHA1
95a2965bb63aaa7a66a019b6edb263cf3550c23f

SHA256
3c93449047dea06e957e18744ee2cff4968ad85048028373ed9ae2d76b924127

SHA512
a4a3ea45601b772c7ba4a0a8b3153384f8997dd1f91cf935fb67f4b0d50687075d2e9c1675b6a46fc9413f3eb88e316c198222e020e1ca0dc447f8f5aa9a2260

Download Submit
memory/4356-0-0x00000000006F0000-0x00000000006F6000-memory.dmp

Filesize
24KB

Download
memory/4356-2-0x0000000002140000-0x0000000002146000-memory.dmp

Filesize
24KB

Download
memory/4356-8-0x00000000006F0000-0x00000000006F6000-memory.dmp

Filesize
24KB

Download
memory/5068-23-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/5068-17-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download