47bffea15053a9b563cb5c6f2481384e35602392c34d954a98cb2688e1f68a15

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
20-02-2024 01:25

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-02-20_1e48eda459d4c41855315e56613e42dc_cryptolocker.exe
Size

50KB
MD5

1e48eda459d4c41855315e56613e42dc
SHA1

54a04582835825749989f3d7d4dc17ec9aeaac7b
SHA256

47bffea15053a9b563cb5c6f2481384e35602392c34d954a98cb2688e1f68a15
SHA512

a1edc130715f470d1cfa00fa6a4c9ffd63de3bd8622f6129ad177c1493afd086f02d32d93cecfbd7ce4f796a973f66f3f5ac955f1858f0496af363623177c9a6
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjeJQ7pojakNF:V6a+pOtEvwDpje

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000012224-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000012224-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2276	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2512	2024-02-20_1e48eda459d4c41855315e56613e42dc_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 2512 wrote to memory of 2276	2512	2024-02-20_1e48eda459d4c41855315e56613e42dc_cryptolocker.exe	28
PID 2512 wrote to memory of 2276	2512	2024-02-20_1e48eda459d4c41855315e56613e42dc_cryptolocker.exe	28
PID 2512 wrote to memory of 2276	2512	2024-02-20_1e48eda459d4c41855315e56613e42dc_cryptolocker.exe	28
PID 2512 wrote to memory of 2276	2512	2024-02-20_1e48eda459d4c41855315e56613e42dc_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-20_1e48eda459d4c41855315e56613e42dc_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-20_1e48eda459d4c41855315e56613e42dc_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2512
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2276

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

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
50KB

MD5
8fa8c646652342cfc7205a6c880ccd14

SHA1
3fded12a63ddd0179d19f101d2a72c9dab61f92a

SHA256
773f62f1cb36a6ffbe5befd64f5f65f9adc9808c08c4b95cf8b5939a41c63550

SHA512
1f0735aa3c99c5d097f6bbf80cd2a1506c3f4d0246ff04e19cafa606fda90f320d6b0a9cd3b346a826d5fab59114bfe709a19e5792b026115496eb47869d0f3e

Download Submit
memory/2276-16-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2276-15-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2512-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2512-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2512-2-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download