4d48b94aadde388e5e362105482c6d0d166ae434efb5b6f844b7cecb039324e2

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
09/04/2024, 15:44

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General

Target

2024-04-09_f3114c9552866871bd30c79e26f341a9_cryptolocker.exe
Size

133KB
MD5

f3114c9552866871bd30c79e26f341a9
SHA1

184af4de2eef2e154e128898b367577c3fe854dc
SHA256

4d48b94aadde388e5e362105482c6d0d166ae434efb5b6f844b7cecb039324e2
SHA512

4e1ed227a08857010a8c51f8381d16dcce5c115f8ebac96600c736d1970419899d2eaf625ed1b1e2ab2afa058b6bde76a3b1353f7676c94ef07d90ba9942eedf
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbxGYQbxGYQblPgy:V6a+pOtEvwDpjt22P

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012241-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012241-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1448	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1612	2024-04-09_f3114c9552866871bd30c79e26f341a9_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 1612 wrote to memory of 1448	1612	2024-04-09_f3114c9552866871bd30c79e26f341a9_cryptolocker.exe	28
PID 1612 wrote to memory of 1448	1612	2024-04-09_f3114c9552866871bd30c79e26f341a9_cryptolocker.exe	28
PID 1612 wrote to memory of 1448	1612	2024-04-09_f3114c9552866871bd30c79e26f341a9_cryptolocker.exe	28
PID 1612 wrote to memory of 1448	1612	2024-04-09_f3114c9552866871bd30c79e26f341a9_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-09_f3114c9552866871bd30c79e26f341a9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-09_f3114c9552866871bd30c79e26f341a9_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1612
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:1448

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
133KB

MD5
e28f14e913511f9aeac36ebe105a6744

SHA1
b3b082691942de33420f81e537d706249a99fe22

SHA256
41d1aa911cdcf80ccc686eaf70a189949932dcf8aa791710496b1275d16b35a0

SHA512
4f970ce0719fda26bb8509b28db89c94a933fee28bad1120498496b6201b86ef3469e5087042373b91c84d6584584f6ff8be1142b1c6cc0a3685a06400217478

Download Submit
memory/1448-15-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1448-16-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/1612-0-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/1612-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1612-2-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download