bb282630ec4a3b8bc4c897452213f975aaaf1a34adb26bbb41eb9fdd8d8ad456

Analysis

max time kernel
151s
max time network
157s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
14-05-2024 19:37

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General

Target

2024-05-14_888ca758eb314c2601ec500b017628d8_cryptolocker.exe
Size

79KB
MD5

888ca758eb314c2601ec500b017628d8
SHA1

656c4ff677f2aafb6dc28d3daf906023b275dbd8
SHA256

bb282630ec4a3b8bc4c897452213f975aaaf1a34adb26bbb41eb9fdd8d8ad456
SHA512

bee3c86667b1ed4914140a7f1e5597f56d107a6b49a816b66e20b2f0070ef4f8c2629e3a3d68dec5163763cf4a13c5f65f474ba6acdf17721c7ed0014334cc27
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3KEWT+6:ZVxkGOtEvwDpjcaxk

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000014e3d-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2568	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1284	2024-05-14_888ca758eb314c2601ec500b017628d8_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 1284 wrote to memory of 2568	1284	2024-05-14_888ca758eb314c2601ec500b017628d8_cryptolocker.exe	28
PID 1284 wrote to memory of 2568	1284	2024-05-14_888ca758eb314c2601ec500b017628d8_cryptolocker.exe	28
PID 1284 wrote to memory of 2568	1284	2024-05-14_888ca758eb314c2601ec500b017628d8_cryptolocker.exe	28
PID 1284 wrote to memory of 2568	1284	2024-05-14_888ca758eb314c2601ec500b017628d8_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-14_888ca758eb314c2601ec500b017628d8_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-14_888ca758eb314c2601ec500b017628d8_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1284
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2568

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
79KB

MD5
4f3c0238ab0ebd5c538cca42009db121

SHA1
8f8a266ad5155e5102b33ede17dba0bfe52a3533

SHA256
955b5cfe16034036805ea9ebd9d55466061a3f10934fcacf6109ca2f61abaed2

SHA512
1217d487a53a5a60489f25a361eb43a34c03fac1de1306295c04c5aa129d84848c20e6a4da35e1167ab390baf6d9221ae43cfd53371fc560fccdeb7706510447

Download Submit
memory/1284-0-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/1284-1-0x0000000000230000-0x00000000002B0000-memory.dmp

Filesize
512KB

Download
memory/1284-9-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/1284-2-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2568-15-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download
memory/2568-24-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2568-17-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2568-25-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download