71270f9cd20a9809f1f1c6d06424734bea9d9a599705ab3845719ce57171c192

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
08/05/2024, 03:45

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General

Target

2024-05-08_ff321fad115766d8ac5a7f873ae02da9_cryptolocker.exe
Size

53KB
MD5

ff321fad115766d8ac5a7f873ae02da9
SHA1

aba34c31672ff51e81a702a196e6bfdeb8966446
SHA256

71270f9cd20a9809f1f1c6d06424734bea9d9a599705ab3845719ce57171c192
SHA512

4068943338d0cf347fb71e9f26ffd4e7ffaec3c76a953a6f3ad5d4b356596620744846fbcfd21648228a678bf9bb8df8df45c81694f21b32b8aa7383f997fd61
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdO5KG:ZVxkGOtEvwDpjcV

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000015d31-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2376	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2040	2024-05-08_ff321fad115766d8ac5a7f873ae02da9_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 2040 wrote to memory of 2376	2040	2024-05-08_ff321fad115766d8ac5a7f873ae02da9_cryptolocker.exe	28
PID 2040 wrote to memory of 2376	2040	2024-05-08_ff321fad115766d8ac5a7f873ae02da9_cryptolocker.exe	28
PID 2040 wrote to memory of 2376	2040	2024-05-08_ff321fad115766d8ac5a7f873ae02da9_cryptolocker.exe	28
PID 2040 wrote to memory of 2376	2040	2024-05-08_ff321fad115766d8ac5a7f873ae02da9_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-08_ff321fad115766d8ac5a7f873ae02da9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-08_ff321fad115766d8ac5a7f873ae02da9_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2376

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
54KB

MD5
cdb48a02924c03676ab585f33111e3d1

SHA1
66ccc184c69856188b4e0503ae7f0d35b574a65a

SHA256
9426ad2267a8231be4ce5d3fe372bc232e584eee867a71a757cee1dcad585f9d

SHA512
49a2806340795a46d52012d7ac31ba5871e0cc9b7da0d7a500fa2bd3a09dbcadea85a2bf6f42b941726705671e8bb6b92bd61c11e75802d0db9a4b806d2c060b

Download Submit
memory/2040-9-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2040-8-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2040-1-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/2040-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2376-16-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2376-24-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2376-23-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download