f965e9f301beae2341256056acd6ed4661a9e780031724c1bd37ff4a5cd41ef5

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
07/06/2024, 11:31

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General

Target

2024-06-07_58f05e8a40cd17087019d9678bfb2d58_cryptolocker.exe
Size

77KB
MD5

58f05e8a40cd17087019d9678bfb2d58
SHA1

95b79823935de6cd96e74d9e72be69df8306bc70
SHA256

f965e9f301beae2341256056acd6ed4661a9e780031724c1bd37ff4a5cd41ef5
SHA512

4d5f001e35c4b2c54683984011206860fbc2f53e42476c59e15717bce29fe9894ba3fb02c3be70aa4d17a4b3413ceb8715312a2da85643a9c9bf34b656451e16
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1sie2:X6a+SOtEvwDpjBZYvQd2d

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001416a-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001416a-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3060	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2792	2024-06-07_58f05e8a40cd17087019d9678bfb2d58_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 2792 wrote to memory of 3060	2792	2024-06-07_58f05e8a40cd17087019d9678bfb2d58_cryptolocker.exe	28
PID 2792 wrote to memory of 3060	2792	2024-06-07_58f05e8a40cd17087019d9678bfb2d58_cryptolocker.exe	28
PID 2792 wrote to memory of 3060	2792	2024-06-07_58f05e8a40cd17087019d9678bfb2d58_cryptolocker.exe	28
PID 2792 wrote to memory of 3060	2792	2024-06-07_58f05e8a40cd17087019d9678bfb2d58_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-07_58f05e8a40cd17087019d9678bfb2d58_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-07_58f05e8a40cd17087019d9678bfb2d58_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2792
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:3060

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
77KB

MD5
265e00feb50cb1142190a8c3ca0cda42

SHA1
1bc06b5e94b73099c3043086bfb001d4ad57b6b9

SHA256
20b88ca8de7a013951c5649da9f3393e9b65f4f74c05f4664da5ad777669e48e

SHA512
63b6faffc80e049e1f3e93bca53a5c0411f7304bd011a3593c0ed340374d20707d2637449c6e3bebab9f3d48936ffff34adc60bb85cdd53fbde00d3c4236f2c5

Download Submit
memory/2792-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2792-2-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2792-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/3060-15-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download