d143f1ca77ccf5f736a697f726ccf8e434d2c294bbf098925dfde93eb4846d90

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
30/04/2024, 16:44

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General

Target

2024-04-30_6aeb162d27dd51e3a517ae74735345b5_cryptolocker.exe
Size

52KB
MD5

6aeb162d27dd51e3a517ae74735345b5
SHA1

18f1636173ca3f9e48bd731eba5e07fc355421dd
SHA256

d143f1ca77ccf5f736a697f726ccf8e434d2c294bbf098925dfde93eb4846d90
SHA512

2d6680e7c0fc739ada6f84c6503590316d4be7051efc9dd9fd94fd050b928b1ec8d2ad3353c553e5a5784874fa89f8fccdf864bf7834aad32db7f598e3b4dbb3
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjyaLccCGXlis:V6a+pOtEvwDpjvDp

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012279-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012279-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3048	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1936	2024-04-30_6aeb162d27dd51e3a517ae74735345b5_cryptolocker.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1936 wrote to memory of 3048	1936	2024-04-30_6aeb162d27dd51e3a517ae74735345b5_cryptolocker.exe	28
PID 1936 wrote to memory of 3048	1936	2024-04-30_6aeb162d27dd51e3a517ae74735345b5_cryptolocker.exe	28
PID 1936 wrote to memory of 3048	1936	2024-04-30_6aeb162d27dd51e3a517ae74735345b5_cryptolocker.exe	28
PID 1936 wrote to memory of 3048	1936	2024-04-30_6aeb162d27dd51e3a517ae74735345b5_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-30_6aeb162d27dd51e3a517ae74735345b5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-30_6aeb162d27dd51e3a517ae74735345b5_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1936
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:3048

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
53KB

MD5
20dd116c596f332f32d37395ce01588d

SHA1
d923e7757d4627f7ecbad3d1dfc676c24e6b6ccd

SHA256
e5c4e40f3fa3cd4b37d9e712b4576d1e3c93b9ca1f11f6adabb67a9e5fb9d04b

SHA512
16600cd3be9d46f95a394d15123660f9e21f8b3dc0c1776fb614fb27c21663502b16adb73d45b80d5fb4988a594045809e50ae1f64a582e61aefb98f70b7b177

Download Submit
memory/1936-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1936-1-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/1936-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/3048-15-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download