0a241e70badc29bedf3dbb1201ee849a4e688b40ebaa5a48c0b4fdf516dd3e60

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
17-05-2024 10:25

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General

Target

2024-05-17_285d3588870195d7d192837154fe4a16_cryptolocker.exe
Size

38KB
MD5

285d3588870195d7d192837154fe4a16
SHA1

c818a0a01a584f4b6a735bffe80cfd8686d44683
SHA256

0a241e70badc29bedf3dbb1201ee849a4e688b40ebaa5a48c0b4fdf516dd3e60
SHA512

9ab8324f70a0b1b3a68ef6dfd022d7849a665f26f95b544eeb7f283f1be7006db87548cdd2e0b946a88601628c2d9c0a2a4833d311894634fbed6b2591dd5edf
SSDEEP

384:bmM0V/YPvnr801TRoUGPh4TKt6ATt1DqgPa3s/zzoCt9/B1RU3V6uVjhbuUZ:b7o/2n1TCraU6GD1a4Xt9bRUlV5hbbZ

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000e00000001226f-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2468	rewok.exe

Loads dropped DLL 1 IoCs

pid	Process
2988	2024-05-17_285d3588870195d7d192837154fe4a16_cryptolocker.exe

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

System Information Discovery
T1082

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2988	2024-05-17_285d3588870195d7d192837154fe4a16_cryptolocker.exe
2468	rewok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 2468	2988	2024-05-17_285d3588870195d7d192837154fe4a16_cryptolocker.exe	28
PID 2988 wrote to memory of 2468	2988	2024-05-17_285d3588870195d7d192837154fe4a16_cryptolocker.exe	28
PID 2988 wrote to memory of 2468	2988	2024-05-17_285d3588870195d7d192837154fe4a16_cryptolocker.exe	28
PID 2988 wrote to memory of 2468	2988	2024-05-17_285d3588870195d7d192837154fe4a16_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-17_285d3588870195d7d192837154fe4a16_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-17_285d3588870195d7d192837154fe4a16_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2988
- C:\Users\Admin\AppData\Local\Temp\rewok.exe
  "C:\Users\Admin\AppData\Local\Temp\rewok.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  PID:2468

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\rewok.exe

Filesize
38KB

MD5
c0951b3eecd12e1656783e451fc96798

SHA1
6417d7046c4c856382907c8ec9f5511ca9e408b9

SHA256
252b0bd2982a80d7c6b5b488300425aaff715532c90e6434566fb0d217133665

SHA512
fb3caa0f9a6b6a31189be2a0c77124acf4bcac9f02eae7b2f6b3203b1b94c73591faf11dbc28766ec0ca1ad18a6fefe04fb70331eabe27366bfd94974cffeb3a

Download Submit
memory/2468-23-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/2988-8-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2988-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2988-0-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download