507b155af466578a9e85a222aa986b427eb4d9e868fbf19af820150ae7c5f2db

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28/02/2024, 19:48

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General

Target

2024-02-28_607b0c2f613c7be151b94e9d1e6b5d5c_cryptolocker.exe
Size

40KB
MD5

607b0c2f613c7be151b94e9d1e6b5d5c
SHA1

a9a7932420fd37e103136666081955b8cef68a06
SHA256

507b155af466578a9e85a222aa986b427eb4d9e868fbf19af820150ae7c5f2db
SHA512

679e9bcd6d2a33055b70b50bf255d3903cf6135e6ccae3b8405f37602f19f0c3191e067083be5df1bb56ace0cf254331c1ee71a376ffc0f2291e8dcfe5b88406
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDDw3sCu5b+rc5vrBjna+:bgGYcA/53GADw8Clrcnl

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000900000001227d-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2532	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
3044	2024-02-28_607b0c2f613c7be151b94e9d1e6b5d5c_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 3044 wrote to memory of 2532	3044	2024-02-28_607b0c2f613c7be151b94e9d1e6b5d5c_cryptolocker.exe	28
PID 3044 wrote to memory of 2532	3044	2024-02-28_607b0c2f613c7be151b94e9d1e6b5d5c_cryptolocker.exe	28
PID 3044 wrote to memory of 2532	3044	2024-02-28_607b0c2f613c7be151b94e9d1e6b5d5c_cryptolocker.exe	28
PID 3044 wrote to memory of 2532	3044	2024-02-28_607b0c2f613c7be151b94e9d1e6b5d5c_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-28_607b0c2f613c7be151b94e9d1e6b5d5c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-28_607b0c2f613c7be151b94e9d1e6b5d5c_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2532

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
41KB

MD5
03a908bcc2450d4b5ab70ede7aa71710

SHA1
ffb37482f8944da4200443faba9392c32d558d83

SHA256
5a7569947e239acf762c6582452d894ac5efcc0361d335b4b7d4dfd234f476f0

SHA512
4e93d2b874ded4f0d57a8ff3022abc4c58a67d59407f42272e0371eafff4f5b51e1e5d4229e168ef3b7323032704ac0bf4983482d31773c1cfba491ff98b9cb6

Download Submit
memory/2532-15-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/2532-17-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/3044-0-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/3044-1-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/3044-2-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download