4ac35deda035f53f01b2251da7694705b5d62791c7666a2c56846f9978f553fd

Analysis

max time kernel
144s
max time network
148s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
11/06/2024, 02:25

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General

Target

2024-06-11_3a6e0314923a150a15f40de7679c9931_cryptolocker.exe
Size

33KB
MD5

3a6e0314923a150a15f40de7679c9931
SHA1

7aaa1804e5ad42789390dadbe16a3f5265e5c973
SHA256

4ac35deda035f53f01b2251da7694705b5d62791c7666a2c56846f9978f553fd
SHA512

ca29143b3caf48aa8fe852630868e5edf47aeae715b6ac591f65433bbae4f3119bc72a999a2531c3daeb8c9f2a796769f1c855a7a7a85198aa09eae10b65d808
SSDEEP

384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzo6cJ3v7TIVU:bAvJCYOOvbRPDEgXRcJCU

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001228a-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
3024	demka.exe

Loads dropped DLL 1 IoCs

pid	Process
1180	2024-06-11_3a6e0314923a150a15f40de7679c9931_cryptolocker.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1180	2024-06-11_3a6e0314923a150a15f40de7679c9931_cryptolocker.exe
3024	demka.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1180 wrote to memory of 3024	1180	2024-06-11_3a6e0314923a150a15f40de7679c9931_cryptolocker.exe	28
PID 1180 wrote to memory of 3024	1180	2024-06-11_3a6e0314923a150a15f40de7679c9931_cryptolocker.exe	28
PID 1180 wrote to memory of 3024	1180	2024-06-11_3a6e0314923a150a15f40de7679c9931_cryptolocker.exe	28
PID 1180 wrote to memory of 3024	1180	2024-06-11_3a6e0314923a150a15f40de7679c9931_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-11_3a6e0314923a150a15f40de7679c9931_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-11_3a6e0314923a150a15f40de7679c9931_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1180
- C:\Users\Admin\AppData\Local\Temp\demka.exe
  "C:\Users\Admin\AppData\Local\Temp\demka.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  PID:3024

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\demka.exe

Filesize
33KB

MD5
00c78cc62f859d5ddfb386c073d59a13

SHA1
13dd83f9a7ef3114dfdb74da8fd7e874be42b8b8

SHA256
e3ca93635f1698c47991bca697d5c73a7b6a11682c3a40e80feaeae8ae64eb5e

SHA512
0a367a7cb03751630ba363df5049e0fc8b746448f456309c7bf6f37cc9dfe38c8bca958e1f412f7afe3c39deeb224091686da4aaabab6f25f7c7cd8bb5b74728

Download Submit
memory/1180-0-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/1180-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1180-8-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/3024-23-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download