34c7bf5860ac67e874cb934f58d8b2b826eec826cd4d79081db0935e3e2c898d

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
02/02/2024, 12:29

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General

Target

2024-02-02_7036cabcfd1d521b4b4ff612f63d0cb1_cryptolocker.exe
Size

46KB
MD5

7036cabcfd1d521b4b4ff612f63d0cb1
SHA1

7e4aebd25e3ce69f0adaae5a7cc62541571f7729
SHA256

34c7bf5860ac67e874cb934f58d8b2b826eec826cd4d79081db0935e3e2c898d
SHA512

4980d437e48aeb51f1dd8afaf76061f49ed9739ccda8dac80f2cff9699c6e298dfd0d3aa72750845ce10e333c25de5fb69b9697a91213be210ca9ef3151540d5
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37Yl6dIDp:bgGYcA/53GAA6y37Q6dIV

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x00070000000122c9-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2812	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2844	2024-02-02_7036cabcfd1d521b4b4ff612f63d0cb1_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 2844 wrote to memory of 2812	2844	2024-02-02_7036cabcfd1d521b4b4ff612f63d0cb1_cryptolocker.exe	28
PID 2844 wrote to memory of 2812	2844	2024-02-02_7036cabcfd1d521b4b4ff612f63d0cb1_cryptolocker.exe	28
PID 2844 wrote to memory of 2812	2844	2024-02-02_7036cabcfd1d521b4b4ff612f63d0cb1_cryptolocker.exe	28
PID 2844 wrote to memory of 2812	2844	2024-02-02_7036cabcfd1d521b4b4ff612f63d0cb1_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-02_7036cabcfd1d521b4b4ff612f63d0cb1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-02_7036cabcfd1d521b4b4ff612f63d0cb1_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2844
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2812

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
46KB

MD5
8edc38dc1923f5a403a627eb516e6cf8

SHA1
3454430f8c7f93282813207988c85a3b807cf535

SHA256
c6120300baa81946af7d7f49dee990a117f69095deb58419fc212263b8a8753d

SHA512
f26f75f4ff6fb77de251af0fe748bc2fd9a14eae8b6a79ab156a03a7a823aeca4925f53f8873cd6c6ecf554d0472478ebf17e47f45eefa21e3c48cab8811aa02

Download Submit
memory/2812-15-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2812-22-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2844-0-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download
memory/2844-1-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/2844-8-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download