d880979e02c30da14b7f111fc0c4df69ed01eb5b6370eec174c6315c77c5b85e

Analysis

max time kernel
147s
max time network
148s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
19-02-2024 17:01

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General

Target

2024-02-19_673af832df874bc9cf2267d14d68573d_cryptolocker.exe
Size

46KB
MD5

673af832df874bc9cf2267d14d68573d
SHA1

b61e30d41277514910c60a73524e62e75e318228
SHA256

d880979e02c30da14b7f111fc0c4df69ed01eb5b6370eec174c6315c77c5b85e
SHA512

525fca80b1042ad215df49585d57a761ea92058562417e959dfe758b5fb86460f21ce8e9e7262909f78a9ab517a90346b9db5a8eb63682c837694a8f27a2b9ca
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjIm8z2iaSIO/WZrEu/d+qmsUHQ1ws0:ZzFbxmLPWQMOtEvwDpj386Sj/WprqQ12

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001224d-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2656	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2884	2024-02-19_673af832df874bc9cf2267d14d68573d_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 2884 wrote to memory of 2656	2884	2024-02-19_673af832df874bc9cf2267d14d68573d_cryptolocker.exe	22
PID 2884 wrote to memory of 2656	2884	2024-02-19_673af832df874bc9cf2267d14d68573d_cryptolocker.exe	22
PID 2884 wrote to memory of 2656	2884	2024-02-19_673af832df874bc9cf2267d14d68573d_cryptolocker.exe	22
PID 2884 wrote to memory of 2656	2884	2024-02-19_673af832df874bc9cf2267d14d68573d_cryptolocker.exe	22

C:\Users\Admin\AppData\Local\Temp\2024-02-19_673af832df874bc9cf2267d14d68573d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-19_673af832df874bc9cf2267d14d68573d_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2884
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2656

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
46KB

MD5
6203795ce69dba3a990e1d63f8123568

SHA1
c8d59528553c1c46c116e0f46aab78a86b78d81d

SHA256
fb3593df61ff96d8e65bb3890a0fd937b0d6b89e49921e66e153b4ad01d03297

SHA512
a42d9ca69c1991a6164a1f8efd48f13815a9c6b73c1e7dfa163ca056e84f5e25c184680bd58f1c3a5d9347ebe41b80e0de0de7272cb83a4ed1d04da157bb78a6

Download Submit
memory/2656-23-0x0000000000230000-0x00000000002B0000-memory.dmp

Filesize
512KB

Download
memory/2656-24-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/2656-16-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2656-25-0x0000000000230000-0x00000000002B0000-memory.dmp

Filesize
512KB

Download
memory/2884-1-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2884-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2884-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2884-2-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download