758ca36442f12a429d4fd437c8d1b372d67fb00de784622a6618888a9171b501

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
29/05/2024, 00:36

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General

Target

2024-05-29_9e11783e36b803a30b16cf8a0f06ae66_cryptolocker.exe
Size

44KB
MD5

9e11783e36b803a30b16cf8a0f06ae66
SHA1

40524027da5430066317e436c6df6f9189c54a28
SHA256

758ca36442f12a429d4fd437c8d1b372d67fb00de784622a6618888a9171b501
SHA512

9d53959bcdfbf8678c9abb7eeec510231acfa9e99cb331d57b03ec443e52e2f05eb38a024a9180e77d6fc414b5ff1f1aa0e3a1ddc3a0e6c7122412a18969b682
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4REL+cc66TcuI:vj+jsMQMOtEvwDpj5HW5scuI

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b0000000144e0-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b0000000144e0-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2052	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2204	2024-05-29_9e11783e36b803a30b16cf8a0f06ae66_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 2204 wrote to memory of 2052	2204	2024-05-29_9e11783e36b803a30b16cf8a0f06ae66_cryptolocker.exe	28
PID 2204 wrote to memory of 2052	2204	2024-05-29_9e11783e36b803a30b16cf8a0f06ae66_cryptolocker.exe	28
PID 2204 wrote to memory of 2052	2204	2024-05-29_9e11783e36b803a30b16cf8a0f06ae66_cryptolocker.exe	28
PID 2204 wrote to memory of 2052	2204	2024-05-29_9e11783e36b803a30b16cf8a0f06ae66_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-29_9e11783e36b803a30b16cf8a0f06ae66_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-29_9e11783e36b803a30b16cf8a0f06ae66_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2052

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\misid.exe

Filesize
44KB

MD5
4cdf15b9275098d59a148d744f5a2513

SHA1
6d1c146da5430d7d5363785ba0d1ba42f711355b

SHA256
b52879ee7e0e69916c71d84b97432004bf1680400cbb84e36b005518cc6fccd1

SHA512
248c96964c5b33d01222ae9d7f810681aab296bcbf0b28b27959dff25b27e1b7cf116448c20a2724b7822eb3c437eb0fa1393456f91da611db05f3f73d516a35

Download Submit
memory/2052-15-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2052-16-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2204-0-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2204-1-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/2204-8-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download