4eb81e36ecfa36e36d6e1a1a7ab2bd49824948bc38e7525c88b524f7f8d817ae

Analysis

max time kernel
144s
max time network
149s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
10/06/2024, 19:50

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General

Target

2024-06-10_63ff474834ea5a444a1454c86b62265d_cryptolocker.exe
Size

33KB
MD5

63ff474834ea5a444a1454c86b62265d
SHA1

ff8783d693d0016f9fd9bed6b1c0ac6b2574d9e4
SHA256

4eb81e36ecfa36e36d6e1a1a7ab2bd49824948bc38e7525c88b524f7f8d817ae
SHA512

d8d7c68d99f35281ac7be4d86031e53ba22b6989c1e9e4e1acd0029ceadda03097028fcea09c1dbecd9b2c2a5f77fdea49d6f74683f2b593c9c1596c470470ab
SSDEEP

384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzo6cJ3v7sLE7:bAvJCYOOvbRPDEgXRcJwC

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012286-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2768	demka.exe

Loads dropped DLL 1 IoCs

pid	Process
2140	2024-06-10_63ff474834ea5a444a1454c86b62265d_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
2140	2024-06-10_63ff474834ea5a444a1454c86b62265d_cryptolocker.exe
2768	demka.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2140 wrote to memory of 2768	2140	2024-06-10_63ff474834ea5a444a1454c86b62265d_cryptolocker.exe	29
PID 2140 wrote to memory of 2768	2140	2024-06-10_63ff474834ea5a444a1454c86b62265d_cryptolocker.exe	29
PID 2140 wrote to memory of 2768	2140	2024-06-10_63ff474834ea5a444a1454c86b62265d_cryptolocker.exe	29
PID 2140 wrote to memory of 2768	2140	2024-06-10_63ff474834ea5a444a1454c86b62265d_cryptolocker.exe	29

C:\Users\Admin\AppData\Local\Temp\2024-06-10_63ff474834ea5a444a1454c86b62265d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-10_63ff474834ea5a444a1454c86b62265d_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2140
- 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:2768

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
b1fd326260bdc79cc71a5e39bed124d5

SHA1
2ce4c15821abf2aa31ac06830f0855053178bb21

SHA256
3146315a18de61a0d544a69260c8d69c2a4c310cda41e693e76a0e2c8b9e18c8

SHA512
f5f266d540fa74ad350fcc68f0b5feacf4f8eeed941c99f35b26ea22e1631870701b193c738581ae37c1cbc1f06d89b7114717f201e8f6da27525f83bdc7a2f7

Download Submit
memory/2140-0-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2140-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2140-8-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2768-23-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download