2083d021e9ec99a0631423dfc89e45940d1299952e63b2efd4b97662065f8a8b

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
09/05/2024, 11:46

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

2024-05-09_a8bac107e47ae44b5e290618a5a39033_cryptolocker.exe
Size

36KB
MD5

a8bac107e47ae44b5e290618a5a39033
SHA1

9affa467c89fdb2c43ea5577b392720522474113
SHA256

2083d021e9ec99a0631423dfc89e45940d1299952e63b2efd4b97662065f8a8b
SHA512

3d3b88956326cbca496eeff9145a176ebf57ce434c2740136c44ef47d8d102b6a77590ad33d4532b326d4b1a1c4564c3f98d8f1f91a549e94d88a160192cbdee
SSDEEP

384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzo6c3l8Sz960SPluRiib:bAvJCYOOvbRPDEgXRc3SSz3SPEz

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001226d-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
1344	demka.exe

Loads dropped DLL 1 IoCs

pid	Process
2228	2024-05-09_a8bac107e47ae44b5e290618a5a39033_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
2228	2024-05-09_a8bac107e47ae44b5e290618a5a39033_cryptolocker.exe
1344	demka.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 1344	2228	2024-05-09_a8bac107e47ae44b5e290618a5a39033_cryptolocker.exe	28
PID 2228 wrote to memory of 1344	2228	2024-05-09_a8bac107e47ae44b5e290618a5a39033_cryptolocker.exe	28
PID 2228 wrote to memory of 1344	2228	2024-05-09_a8bac107e47ae44b5e290618a5a39033_cryptolocker.exe	28
PID 2228 wrote to memory of 1344	2228	2024-05-09_a8bac107e47ae44b5e290618a5a39033_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-09_a8bac107e47ae44b5e290618a5a39033_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-09_a8bac107e47ae44b5e290618a5a39033_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2228
- 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:1344

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

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\demka.exe

Filesize
36KB

MD5
031bc720bbdc5a7a7166004a4e5a654c

SHA1
2538ae41d7399cfb332308438746656ae37948df

SHA256
fabfbac149715cd8ba00f9e10437351f4adabd295d494e4c951cf2a086d00239

SHA512
db8c40cf753db31fb64727221ff5f7948ad7bc62ed96d25564b91dc543a2d571bd5f4f482cbad5353b2974b8f8a624082200940285e3ed1d4f32cc2eaa9da067

Download Submit
memory/1344-23-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/2228-0-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download
memory/2228-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2228-1-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download