e5a06c46fe5509117649302ddd492b2658476a6f7b5ea313d4738912e3fb00e9

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
21/04/2024, 03:51

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General

Target

2024-04-21_50734f47c0660608fabf01ec6aa6466f_cryptolocker.exe
Size

81KB
MD5

50734f47c0660608fabf01ec6aa6466f
SHA1

3d003d71ef72cba1189351a8a7654e68df505cdc
SHA256

e5a06c46fe5509117649302ddd492b2658476a6f7b5ea313d4738912e3fb00e9
SHA512

957608a8463c37197a99a33b447c57f41db2a6036e098bd88a0804d4d98c590fec7578cfdd62c8f13f4d28bcc74effdecf8022f72b99845eb933086aaa5669d8
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHNqVm:vCjsIOtEvwDpj5H9YvQd2B

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001225d-13.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001225d-13.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3048	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1740	2024-04-21_50734f47c0660608fabf01ec6aa6466f_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 1740 wrote to memory of 3048	1740	2024-04-21_50734f47c0660608fabf01ec6aa6466f_cryptolocker.exe	28
PID 1740 wrote to memory of 3048	1740	2024-04-21_50734f47c0660608fabf01ec6aa6466f_cryptolocker.exe	28
PID 1740 wrote to memory of 3048	1740	2024-04-21_50734f47c0660608fabf01ec6aa6466f_cryptolocker.exe	28
PID 1740 wrote to memory of 3048	1740	2024-04-21_50734f47c0660608fabf01ec6aa6466f_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-21_50734f47c0660608fabf01ec6aa6466f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-21_50734f47c0660608fabf01ec6aa6466f_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1740
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3048

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\misid.exe

Filesize
81KB

MD5
c034c01280d5539f2f85bb5deb7e9872

SHA1
451eb7b1312cf32e6f713c7da35ba15b3c6f3cf5

SHA256
daddc972b9d4b9191b3656255eda1db558c90a66fab9c00ba3e9722bc211df88

SHA512
d64e3329d3dfb1c62eb9a2e85ebc5ca282c457043e7a5d4b1ce11c3e247f8ada384a22dffd7094c1e0e0d2780ac40dd5653deaca45e67eafc33001465b89f02e

Download Submit
memory/1740-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1740-1-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/1740-2-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/3048-15-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download