3384c6675a0d8fed7f5b239a2353d5948abbd7524608ddf0fe39ce7eb17bac5a

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
10/03/2024, 10:45

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General

Target

2024-03-10_d8bfcc0b950347bb70381698d99e427d_cryptolocker.exe
Size

76KB
MD5

d8bfcc0b950347bb70381698d99e427d
SHA1

a9308ee34038e058bcb1dc6e51a0070bc552511d
SHA256

3384c6675a0d8fed7f5b239a2353d5948abbd7524608ddf0fe39ce7eb17bac5a
SHA512

71a506474620878401038d463a3405904a894b1a1556dd4d738b82344ee0cf2784595b7288e593d54aa93821bca31fd5adf441064e578e504ac6315af786576b
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3KEWTeP:ZVxkGOtEvwDpjcaxF

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012254-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
1216	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1428	2024-03-10_d8bfcc0b950347bb70381698d99e427d_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 1428 wrote to memory of 1216	1428	2024-03-10_d8bfcc0b950347bb70381698d99e427d_cryptolocker.exe	28
PID 1428 wrote to memory of 1216	1428	2024-03-10_d8bfcc0b950347bb70381698d99e427d_cryptolocker.exe	28
PID 1428 wrote to memory of 1216	1428	2024-03-10_d8bfcc0b950347bb70381698d99e427d_cryptolocker.exe	28
PID 1428 wrote to memory of 1216	1428	2024-03-10_d8bfcc0b950347bb70381698d99e427d_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-10_d8bfcc0b950347bb70381698d99e427d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-10_d8bfcc0b950347bb70381698d99e427d_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1428
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1216

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
76KB

MD5
d9b0501db6d98b59cbbe092277599ac2

SHA1
3477b7ef44d7d4a8e3031f3356f9ee0682ad2d86

SHA256
77e278795638a5ccd516ea9d3f5a225f871fb386b68bd3df2491ca8b74112acd

SHA512
a79e82fd4451c05e7ed3fa52ffe8a6396e30004134dcd7b3cfe8d5c783781d3f6d4ea1cb36ed3f860a67fed50b26ec60437248dca1e730eb81d0fa0d0f860c65

Download Submit
memory/1216-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/1216-17-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1216-23-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/1428-0-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/1428-1-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/1428-7-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download