1e695056cf51fdb531106669b80af6dc19286dce98f8378c79a16facaf9a4a5f

Analysis

max time kernel
148s
max time network
154s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
22-05-2024 19:43

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General

Target

20240521fcf13a64d77f3e32c6b133a03c6e9dfdcryptolocker.exe
Size

42KB
MD5

fcf13a64d77f3e32c6b133a03c6e9dfd
SHA1

d34bde97f5b5d42735ff216d0ad4f714354a1aaf
SHA256

1e695056cf51fdb531106669b80af6dc19286dce98f8378c79a16facaf9a4a5f
SHA512

749055df9956f8c0797db4b395ed69b48a34c5dfc13e3ba549d62f791aa6f4a5182767583c5fa689398706f32a7b963b0309ce5a1f7bf15f8dae6e30b554984d
SSDEEP

768:bCDOw9UiaKHfjnD0S16avdrQFiLjJvtAqtH:bCDOw9aMDooc+vAqtH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2804	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
1704	20240521fcf13a64d77f3e32c6b133a03c6e9dfdcryptolocker.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 1704 wrote to memory of 2804	1704	20240521fcf13a64d77f3e32c6b133a03c6e9dfdcryptolocker.exe	28
PID 1704 wrote to memory of 2804	1704	20240521fcf13a64d77f3e32c6b133a03c6e9dfdcryptolocker.exe	28
PID 1704 wrote to memory of 2804	1704	20240521fcf13a64d77f3e32c6b133a03c6e9dfdcryptolocker.exe	28
PID 1704 wrote to memory of 2804	1704	20240521fcf13a64d77f3e32c6b133a03c6e9dfdcryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\20240521fcf13a64d77f3e32c6b133a03c6e9dfdcryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\20240521fcf13a64d77f3e32c6b133a03c6e9dfdcryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1704
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:2804

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\lossy.exe

Filesize
42KB

MD5
66a64ba0664abc257d39a546bd94addb

SHA1
1797b673d021fab1bbdf24a6acf5da39ce784442

SHA256
8c2824bc4722949987afc58fcaada8d719b2b294b3d6efb6d613d4d9adf2aa3a

SHA512
43f9d252d12042fbf5d56b295d0edc68cf6775bf7145942b9b0b1fc16ee93db99e60ac4e5b5a23625bd52f6cf4b9877030f21b561f6a7cb57d6c90e5dfa72009

Download Submit
memory/1704-0-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/1704-2-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/1704-9-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/1704-1-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/1704-15-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/2804-16-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/2804-18-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/2804-25-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2804-26-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download