cedf411c8ff22328ec2d0a38a63fc49bbbe4f17b056bef49a3fe083deb893af8

Analysis

max time kernel
149s
max time network
157s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
19/02/2024, 19:57

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General

Target

2024-02-19_d421edf02f4b087221daa6abe9dae3e8_cryptolocker.exe
Size

40KB
MD5

d421edf02f4b087221daa6abe9dae3e8
SHA1

77deacbab21ba188466638a078cc10ac37a8c560
SHA256

cedf411c8ff22328ec2d0a38a63fc49bbbe4f17b056bef49a3fe083deb893af8
SHA512

69da9f2a52aad52bc877cec87047cd882a6060b63a5182986e2f006bb54831709d399a8ab474c2c78a8a6db1448d7bf879db57afd59d4c87fe882da300cd3ed3
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDDw3sCu5b+rc5vrBjnFP:bgGYcA/53GADw8ClrcnFP

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012243-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2276	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2232	2024-02-19_d421edf02f4b087221daa6abe9dae3e8_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 2232 wrote to memory of 2276	2232	2024-02-19_d421edf02f4b087221daa6abe9dae3e8_cryptolocker.exe	28
PID 2232 wrote to memory of 2276	2232	2024-02-19_d421edf02f4b087221daa6abe9dae3e8_cryptolocker.exe	28
PID 2232 wrote to memory of 2276	2232	2024-02-19_d421edf02f4b087221daa6abe9dae3e8_cryptolocker.exe	28
PID 2232 wrote to memory of 2276	2232	2024-02-19_d421edf02f4b087221daa6abe9dae3e8_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-19_d421edf02f4b087221daa6abe9dae3e8_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-19_d421edf02f4b087221daa6abe9dae3e8_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2232
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.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

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Downloads

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

Filesize
40KB

MD5
01233c315cf87ac0222a7a3078e3c8a0

SHA1
c4df9ede85ab4d0e4a180f0473c3e8409cd140da

SHA256
a1ddbbf8bbaffbd3dfcad03412e3e097c07813faa0fc2d1a6f9444ad144966da

SHA512
06f73282ca8452a0066664b65990e159cb024c8f6d9044670ec77f0f0441b00a55ca0eacc22759caf06001f0c299ba2b7d832e95c401915645b69cf4d0c04353

Download Submit
memory/2232-0-0x0000000000550000-0x0000000000556000-memory.dmp

Filesize
24KB

Download
memory/2232-2-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download
memory/2232-1-0x0000000000550000-0x0000000000556000-memory.dmp

Filesize
24KB

Download
memory/2276-16-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/2276-15-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download