1e36cc1419f6407fda40d97c8ce8ecdd1d44814f7aae12a751bdfa733109dcb1

Analysis

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

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
16/05/2024, 06:26

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General

Target

2024-05-16_08d324a738d706b2c8055ad2c7890070_cryptolocker.exe
Size

39KB
MD5

08d324a738d706b2c8055ad2c7890070
SHA1

a8fec0c4fb1c3a5afd74adda4d73611a6534993a
SHA256

1e36cc1419f6407fda40d97c8ce8ecdd1d44814f7aae12a751bdfa733109dcb1
SHA512

6c86c815ef883146ac1e169f3053c8dbc32d05d912951662d1f92c1dd069a64ce3c71d9dfe658436a3c0172f06718a94865a1343ddcaf5fcf216e8fa65d38476
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFCw0c:X6QFElP6n+gJQMOtEvwDpjBmzDU5c

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000015ccd-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000015ccd-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2508	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2240	2024-05-16_08d324a738d706b2c8055ad2c7890070_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 2240 wrote to memory of 2508	2240	2024-05-16_08d324a738d706b2c8055ad2c7890070_cryptolocker.exe	28
PID 2240 wrote to memory of 2508	2240	2024-05-16_08d324a738d706b2c8055ad2c7890070_cryptolocker.exe	28
PID 2240 wrote to memory of 2508	2240	2024-05-16_08d324a738d706b2c8055ad2c7890070_cryptolocker.exe	28
PID 2240 wrote to memory of 2508	2240	2024-05-16_08d324a738d706b2c8055ad2c7890070_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-16_08d324a738d706b2c8055ad2c7890070_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-16_08d324a738d706b2c8055ad2c7890070_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2240
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2508

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
39KB

MD5
c63be862f155f826a883f8b812e18fda

SHA1
991d1aa6553c70dc4c75b586c5c5074445846290

SHA256
92fbb00ec78435323b82a38323e1af54b16e089520ef938c3e2e800516d38d15

SHA512
a95ecede246bccb176fa78a62a905887569372a44c791e6359501c1674bce706aec0f8161a3d3a17aa3451b0a123804261ddd793b42ac60ac349f749f55dd50f

Download Submit
memory/2240-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2240-1-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2240-8-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2508-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2508-15-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download