9edd7a822065b23f5520c705cdab27d076ea49d70e08d65c41d75d68592dce19

Analysis

max time kernel
147s
max time network
148s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
13/02/2024, 15:11

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General

Target

2024-02-13_861ad8134a28e68ad977e8a86c5a626b_cryptolocker.exe
Size

97KB
MD5

861ad8134a28e68ad977e8a86c5a626b
SHA1

0c3cffa18b8c10d6a359663db90e47dc6fdd79a1
SHA256

9edd7a822065b23f5520c705cdab27d076ea49d70e08d65c41d75d68592dce19
SHA512

4949639ff4ac2c0aaf30ceacb0ac4f2a75e89a91602a70b6af585e291cc7fbad95397a372e6e91d57d9bd54a931b40b264e22e766a00633938a223ebcd51508f
SSDEEP

1536:26QFElP6n+gBQMOtEvwDpjQGYQbN/PKwNCWnV:26a+2OtEvwDpjtzb

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a0000000133a9-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a0000000133a9-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3028	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2856	2024-02-13_861ad8134a28e68ad977e8a86c5a626b_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 2856 wrote to memory of 3028	2856	2024-02-13_861ad8134a28e68ad977e8a86c5a626b_cryptolocker.exe	28
PID 2856 wrote to memory of 3028	2856	2024-02-13_861ad8134a28e68ad977e8a86c5a626b_cryptolocker.exe	28
PID 2856 wrote to memory of 3028	2856	2024-02-13_861ad8134a28e68ad977e8a86c5a626b_cryptolocker.exe	28
PID 2856 wrote to memory of 3028	2856	2024-02-13_861ad8134a28e68ad977e8a86c5a626b_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-13_861ad8134a28e68ad977e8a86c5a626b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-13_861ad8134a28e68ad977e8a86c5a626b_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2856
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:3028

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
97KB

MD5
2578e1d454a58c0ad57eb1433d52dcad

SHA1
3f6d01ba7742ac021aeadb04edbe3c072221c6af

SHA256
49d53e1b969f9e3f683dcf1b77c7803e43799c10b292067df2b782459f24b1d7

SHA512
12bf0f56c1b1d45ca0402a0eb577d48557772b8e9beb5fd2f5fdb196800ad437bbb32f7c213f8b8b14581995961b648e4a5b1df0ca3459e17c76a357ee260352

Download Submit
memory/2856-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2856-1-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2856-8-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/3028-15-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/3028-17-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download