c275fc2f756e9ac2a34820e18b8ce0c72a9984e027e797101b78cb07c842ade3

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
15/05/2024, 23:51

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General

Target

2024-05-15_713b5871aa90940f2347218bfeeb8281_cryptolocker.exe
Size

86KB
MD5

713b5871aa90940f2347218bfeeb8281
SHA1

476004edead7228d1e9458abebd583f7af695cbf
SHA256

c275fc2f756e9ac2a34820e18b8ce0c72a9984e027e797101b78cb07c842ade3
SHA512

41c92003c752ca6e17961c1054c26f6315fb9e706edea898cb3fcd4abeaa0651fd07cf841cdeabc714a3c40fde85fc40780aacf556197e0407aca4829c2ffb55
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHNBlX:vCjsIOtEvwDpj5H9YvQd2l

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000015f7a-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000015f7a-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2852	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
3060	2024-05-15_713b5871aa90940f2347218bfeeb8281_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 3060 wrote to memory of 2852	3060	2024-05-15_713b5871aa90940f2347218bfeeb8281_cryptolocker.exe	28
PID 3060 wrote to memory of 2852	3060	2024-05-15_713b5871aa90940f2347218bfeeb8281_cryptolocker.exe	28
PID 3060 wrote to memory of 2852	3060	2024-05-15_713b5871aa90940f2347218bfeeb8281_cryptolocker.exe	28
PID 3060 wrote to memory of 2852	3060	2024-05-15_713b5871aa90940f2347218bfeeb8281_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-15_713b5871aa90940f2347218bfeeb8281_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-15_713b5871aa90940f2347218bfeeb8281_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3060
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2852

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
86KB

MD5
1740d4e472411760655029569dddb021

SHA1
18945b14733e0de33e91f1d74c7b0bd0b56f8585

SHA256
812a35cbb003282d858e2dc6ee6f3a72fb136ef48a795e72a36112526d395d82

SHA512
79d4e48d8cde4bc845e3ee5bbb0d5c66f8089046e3f85a482c81f6398e7b5ccb26654623d3ebb9413a686add27368040a8ff5537ac50ae7e22f4dd28bbc2e83b

Download Submit
memory/2852-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2852-15-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/3060-0-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/3060-1-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/3060-8-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download