70a058f48aaa7528843e3fa33dc7ba85fc7860930128ed049e54efd75dd2c1e5

Analysis

max time kernel
148s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
21/05/2024, 14:32

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General

Target

2024-05-21_cf06a6f14e67bf70c3659fd2b90ec9d8_cryptolocker.exe
Size

46KB
MD5

cf06a6f14e67bf70c3659fd2b90ec9d8
SHA1

5939fbc374f66acc4baeeb262838a8e6c5f7c621
SHA256

70a058f48aaa7528843e3fa33dc7ba85fc7860930128ed049e54efd75dd2c1e5
SHA512

3a46713eddef6f6f01e0cf9a4dd98e9f24143ce279132e8e339c688a0a16ef8679fc59475fb23bbf12a94ed5e641570b86d2a838cf491c73d04d8e81ca0f974d
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5aFr7YOzzfm0EXsJE:V6QFElP6n+gMQMOtEvwDpjyaYaFAh3x

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001445e-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001445e-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2500	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2380	2024-05-21_cf06a6f14e67bf70c3659fd2b90ec9d8_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 2380 wrote to memory of 2500	2380	2024-05-21_cf06a6f14e67bf70c3659fd2b90ec9d8_cryptolocker.exe	28
PID 2380 wrote to memory of 2500	2380	2024-05-21_cf06a6f14e67bf70c3659fd2b90ec9d8_cryptolocker.exe	28
PID 2380 wrote to memory of 2500	2380	2024-05-21_cf06a6f14e67bf70c3659fd2b90ec9d8_cryptolocker.exe	28
PID 2380 wrote to memory of 2500	2380	2024-05-21_cf06a6f14e67bf70c3659fd2b90ec9d8_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-21_cf06a6f14e67bf70c3659fd2b90ec9d8_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-21_cf06a6f14e67bf70c3659fd2b90ec9d8_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2500

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
46KB

MD5
be0bbbb8b46c958d15d5dfee0f5e2d31

SHA1
d01011c64c2957611fe4ad1cee01e10cc084ee51

SHA256
5016e990288299917c77e6ca346ac519b8105efccc2fd23f77c5ce4e84cef42b

SHA512
704e17c581194e4bab09a5b8edea2f7f69d99baf2ce41347b7fdacf5f85d4d5a5d0c48479cbc986ed375610c6c93d013a2b94b6a952eb8ef1e9fb6af79bbf4e1

Download Submit
memory/2380-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2380-1-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2380-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download