c66fc75bafb3709649feeeca00e834ca70d767343f9e97dbd6c699779741a7bd

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
25-05-2024 02:36

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General

Target

2024-05-25_408adf8e8566165abcfcd59f30c783f8_cryptolocker.exe
Size

72KB
MD5

408adf8e8566165abcfcd59f30c783f8
SHA1

4ca53be33c2ebfa9d7e53cd7eca3ee93a45d383c
SHA256

c66fc75bafb3709649feeeca00e834ca70d767343f9e97dbd6c699779741a7bd
SHA512

8871fe779f7ae1276295a5ff3cbf72eb48fb778b69f15061b2239249cf8216ac592fce35b51533208b255967391ddce4016c521af26fde7d818596113374fe79
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4ZPsED3VK2+ZtyOjgO4r9vFAg2rq2g1B/RR:vj+jsMQMOtEvwDpj5HZYTjipvF24p

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001227b-13.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001227b-13.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2428	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2020	2024-05-25_408adf8e8566165abcfcd59f30c783f8_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 2020 wrote to memory of 2428	2020	2024-05-25_408adf8e8566165abcfcd59f30c783f8_cryptolocker.exe	28
PID 2020 wrote to memory of 2428	2020	2024-05-25_408adf8e8566165abcfcd59f30c783f8_cryptolocker.exe	28
PID 2020 wrote to memory of 2428	2020	2024-05-25_408adf8e8566165abcfcd59f30c783f8_cryptolocker.exe	28
PID 2020 wrote to memory of 2428	2020	2024-05-25_408adf8e8566165abcfcd59f30c783f8_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-25_408adf8e8566165abcfcd59f30c783f8_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-25_408adf8e8566165abcfcd59f30c783f8_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2428

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

C:\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
72KB

MD5
70e2cfd3a183ce2b2ebf8e50233937a2

SHA1
10e9fa33bcce1eb9058e667a66f5c05f005690a1

SHA256
19f9b05806470d44f50210df24324f973eb9c3a5457c4a220a57761bee715b3e

SHA512
8d60153384ad337ed24ad11a48f03dd9082bf01293b89bf275a00414f7d2aa6f3fc72d2ffc293e99201147d2afce9f8c0f1198c8aaa7fe4969db19a5e5094e9a

Download Submit
memory/2020-0-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2020-1-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2020-8-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2428-15-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2428-22-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download