447fa5d653043c5d899ba62f2f7c01aeca271e0bac4617a9cdcbb7e007919af8

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
19/02/2024, 05:23

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General

Target

2024-02-19_08b542d583c7535096c342592c4950a0_cryptolocker.exe
Size

40KB
MD5

08b542d583c7535096c342592c4950a0
SHA1

106e825f99144f94aee24adfa65924f109c84f6a
SHA256

447fa5d653043c5d899ba62f2f7c01aeca271e0bac4617a9cdcbb7e007919af8
SHA512

94c239c262ba928d24d6bb7e5f3e8762cb087714989017364685572e0782d21dbe42e8d20b37ed89c9524af6d6dfb713223f00c28a995d60ec53b8b06b342cb1
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLenQLmWO9:ZzFbxmLPWQMOtEvwDpjLeUHO9

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023222-12.dat	CryptoLocker_rule2

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	2024-02-19_08b542d583c7535096c342592c4950a0_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3572	misid.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 680 wrote to memory of 3572	680	2024-02-19_08b542d583c7535096c342592c4950a0_cryptolocker.exe	84
PID 680 wrote to memory of 3572	680	2024-02-19_08b542d583c7535096c342592c4950a0_cryptolocker.exe	84
PID 680 wrote to memory of 3572	680	2024-02-19_08b542d583c7535096c342592c4950a0_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-02-19_08b542d583c7535096c342592c4950a0_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-19_08b542d583c7535096c342592c4950a0_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:680
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3572

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
40KB

MD5
e39423e3d34311429554492f04117cc8

SHA1
e957e1727b02bcdd4fffbf184198951786a39630

SHA256
13e759683e9743ca6c804919dc722e8d6130dd11e716e612e214f6829a14789e

SHA512
a769732d603ec7d30c097f36f4f87059753c2d26aa4d17d4f31a455cfadef45489549d7211d8618cc2e9d73db01cc1ebc3f98947f957cd3a3de28dc8c82ab29f

Download Submit
memory/680-0-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/680-1-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/680-2-0x0000000000550000-0x0000000000556000-memory.dmp

Filesize
24KB

Download
memory/3572-16-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/3572-18-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/3572-20-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download