2af5ec0e2992add21498ff46e9a6d05471997ec19199e162cdff617173b9b176

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
14/05/2024, 04:15

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General

Target

2024-05-14_ad9ab024ea8eb2fe46cda4f3c2e9abb4_cryptolocker.exe
Size

44KB
MD5

ad9ab024ea8eb2fe46cda4f3c2e9abb4
SHA1

21e37d6e0091b34b86d9524b7208a1564d68c2f1
SHA256

2af5ec0e2992add21498ff46e9a6d05471997ec19199e162cdff617173b9b176
SHA512

75189c0f7af66cb1cee7af6d5d3478534a3550c5c29b7009508f817492050ccf8cbd6547cd284f64be995dd6ac778d0cf8562c630e5908e0058adf660498db9a
SSDEEP

768:b7o/2n1TCraU6GD1a4X0WcO+wMVm+slAMphqm:bc/y2lkF0+Beqm

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012286-13.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2932	rewok.exe

Loads dropped DLL 1 IoCs

pid	Process
2416	2024-05-14_ad9ab024ea8eb2fe46cda4f3c2e9abb4_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
2416	2024-05-14_ad9ab024ea8eb2fe46cda4f3c2e9abb4_cryptolocker.exe
2932	rewok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2416 wrote to memory of 2932	2416	2024-05-14_ad9ab024ea8eb2fe46cda4f3c2e9abb4_cryptolocker.exe	28
PID 2416 wrote to memory of 2932	2416	2024-05-14_ad9ab024ea8eb2fe46cda4f3c2e9abb4_cryptolocker.exe	28
PID 2416 wrote to memory of 2932	2416	2024-05-14_ad9ab024ea8eb2fe46cda4f3c2e9abb4_cryptolocker.exe	28
PID 2416 wrote to memory of 2932	2416	2024-05-14_ad9ab024ea8eb2fe46cda4f3c2e9abb4_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-14_ad9ab024ea8eb2fe46cda4f3c2e9abb4_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-14_ad9ab024ea8eb2fe46cda4f3c2e9abb4_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2416
- 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:2932

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

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

Filesize
44KB

MD5
3d91dcae1ea25ffca63cf64609f3c8c8

SHA1
5dac38c47d0cfe853613df3b9d324292ffdf0ca5

SHA256
05dc63a47cd12b6492608648e09707ca65e55bcead50f642ec816b3db0f7edcc

SHA512
fe6720458543cc445bd9f246fb0342978bc86631f150be5923408a8015bcd0e006dd3843b56b29819d7acc48d0bbd55c42ec1183d73e928a5c0ac264c5f1fb0b

Download Submit
memory/2416-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2416-0-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2416-8-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2932-16-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download