8cdd85c66ba982e491b8849f12629d459800fa5c2461962687a72e7bf56fddf8

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
05-03-2024 19:28

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General

Target

2024-03-05_15d867fcdd150e3fe6bc1597d6d8624a_cryptolocker.exe
Size

60KB
MD5

15d867fcdd150e3fe6bc1597d6d8624a
SHA1

93d75ca1ce18ee498b8690e420036dd413f9385b
SHA256

8cdd85c66ba982e491b8849f12629d459800fa5c2461962687a72e7bf56fddf8
SHA512

16243787ff2353c6a7d9c9f893e62cd4a7b386c6b6e60c7439503052a5a76ac351641817fd9b4a7a0091a333744f06adc6896780464cf303bcfd2be507654055
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3rFC0w1L:ZVxkGOtEvwDpjcam

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012255-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2560	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2388	2024-03-05_15d867fcdd150e3fe6bc1597d6d8624a_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 2388 wrote to memory of 2560	2388	2024-03-05_15d867fcdd150e3fe6bc1597d6d8624a_cryptolocker.exe	28
PID 2388 wrote to memory of 2560	2388	2024-03-05_15d867fcdd150e3fe6bc1597d6d8624a_cryptolocker.exe	28
PID 2388 wrote to memory of 2560	2388	2024-03-05_15d867fcdd150e3fe6bc1597d6d8624a_cryptolocker.exe	28
PID 2388 wrote to memory of 2560	2388	2024-03-05_15d867fcdd150e3fe6bc1597d6d8624a_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-05_15d867fcdd150e3fe6bc1597d6d8624a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-05_15d867fcdd150e3fe6bc1597d6d8624a_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2388
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2560

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
61KB

MD5
c31fc35082a950ebdecde6b4ba250e47

SHA1
4128ba236fe901f32e6209ecd1391de39641779c

SHA256
ebf6c850621463033388494d75ce2f2ecd262c81c35f269f80fedf8cef6972ee

SHA512
fdcf6c71fffdaa7eb0d41b0f8bafe29307212798de470feae2650592c8d2b3d5b3f51ac85094e418891ec3c5ea04b3eb8e58a4d97b73e5090f22e2655121f72b

Download Submit
memory/2388-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2388-1-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2388-2-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2560-16-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2560-17-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/2560-15-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download