5a2e9e3aef2af5a8a892b1c98befedac1a8a646c8c97c79dec30036f12e0f7aa

Analysis

max time kernel
135s
max time network
146s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
22/02/2024, 12:42

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General

Target

2024-02-22_685fccec0569fddbd99bb31e06286edc_cryptolocker.exe
Size

33KB
MD5

685fccec0569fddbd99bb31e06286edc
SHA1

7ce8971075a00578ec32d8c6ce7000c9bfcf32db
SHA256

5a2e9e3aef2af5a8a892b1c98befedac1a8a646c8c97c79dec30036f12e0f7aa
SHA512

6dd62cd805b2b680b7b3b907af1bdde94f83a6fffb15ca06c1d066b1fb2a0fd1200f8a87da993ee4e0497cef1115be31ee2d9a546eb72ee37508b2a043159574
SSDEEP

768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4t:fT+hsMQMOtEvwDpjoIHt

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001224c-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001224c-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2252	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1968	2024-02-22_685fccec0569fddbd99bb31e06286edc_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 1968 wrote to memory of 2252	1968	2024-02-22_685fccec0569fddbd99bb31e06286edc_cryptolocker.exe	28
PID 1968 wrote to memory of 2252	1968	2024-02-22_685fccec0569fddbd99bb31e06286edc_cryptolocker.exe	28
PID 1968 wrote to memory of 2252	1968	2024-02-22_685fccec0569fddbd99bb31e06286edc_cryptolocker.exe	28
PID 1968 wrote to memory of 2252	1968	2024-02-22_685fccec0569fddbd99bb31e06286edc_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-22_685fccec0569fddbd99bb31e06286edc_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-22_685fccec0569fddbd99bb31e06286edc_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1968
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2252

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
33KB

MD5
5e3de30887c8cc5a9bca5e2ecf9af861

SHA1
428ce5d809737d62232023535b06ee0a6ec733b4

SHA256
bb4241815ae0e973a7e9a9041b4b9bfa7ac1b742159ec13542de1406448be523

SHA512
b3f3359924e7521179f2db679a19313aa45f71f40a52a7ebe70d496d1169164289bf50c73f0f5fa180ffe9d774202d8e22952119f145b778ca3b3b16674fc1a3

Download Submit
memory/1968-0-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/1968-2-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/1968-1-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/2252-16-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2252-15-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download