d1ffba547ec714ed5720b59ccd2a345bf33a8c2c3ab2ab3b8a933f39c185e6b9

Analysis

max time kernel
133s
max time network
140s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
21/04/2024, 04:00

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General

Target

2024-04-21_707f91d2ea3422a749bc8a667ace86ff_cryptolocker.exe
Size

76KB
MD5

707f91d2ea3422a749bc8a667ace86ff
SHA1

b5f781f56acbc3ea4acb27a0c29d1bf3005d1306
SHA256

d1ffba547ec714ed5720b59ccd2a345bf33a8c2c3ab2ab3b8a933f39c185e6b9
SHA512

11a1531c39f91ad217f46be65fbce950b5c3df91dc04701f9bdee00501f64e845fa3af632ba0e5539b697fd439f2355bb68a9d24a564a0bc801251a9aaf9c6a9
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3Ku3w:ZVxkGOtEvwDpjcaU

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012331-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
3052	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2184	2024-04-21_707f91d2ea3422a749bc8a667ace86ff_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 2184 wrote to memory of 3052	2184	2024-04-21_707f91d2ea3422a749bc8a667ace86ff_cryptolocker.exe	28
PID 2184 wrote to memory of 3052	2184	2024-04-21_707f91d2ea3422a749bc8a667ace86ff_cryptolocker.exe	28
PID 2184 wrote to memory of 3052	2184	2024-04-21_707f91d2ea3422a749bc8a667ace86ff_cryptolocker.exe	28
PID 2184 wrote to memory of 3052	2184	2024-04-21_707f91d2ea3422a749bc8a667ace86ff_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-21_707f91d2ea3422a749bc8a667ace86ff_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-21_707f91d2ea3422a749bc8a667ace86ff_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2184
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3052

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
63ce474d75de4d12819dc71a770d3418

SHA1
5a15a5e04f059cf01b4e8cde5fb42a39a8b38961

SHA256
4642f6ec33070d27ba780bd3ed3da2872a5ee272f60f209b67099dc208f8d1bd

SHA512
df4d00cc124edc8769b781237dd346ed431ac51c4a44b4bde3bd680f7b0d65e0ab8d02d6d2e9ff99e6f5eddaee7cb421edf4ea3fbaf2dc60627b396a8be4df1b

Download Submit
memory/2184-1-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2184-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2184-2-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/2184-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/3052-16-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/3052-19-0x0000000000230000-0x00000000002B0000-memory.dmp

Filesize
512KB

Download
memory/3052-21-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/3052-25-0x0000000000230000-0x00000000002B0000-memory.dmp

Filesize
512KB

Download