005bdfb140d40b00a444d5468e55def229abdea905d4e0ec16f461379fccd9f7

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28/03/2024, 13:24

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General

Target

2024-03-28_01870398c6c33c6c8cb25208ce7a02d9_cryptolocker.exe
Size

38KB
MD5

01870398c6c33c6c8cb25208ce7a02d9
SHA1

5724a34386e236a2ca88d330f50f56812cd70b65
SHA256

005bdfb140d40b00a444d5468e55def229abdea905d4e0ec16f461379fccd9f7
SHA512

25b31e65c24427303fd90279c7afde655499c8efef51fdda60ff0916cc61788a4bef70b894899fa3e725c127a7ca6acc91fcc59ccdf642491ba908a8ac68c2a6
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFHuM:X6QFElP6n+gJQMOtEvwDpjBmzDkM

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012240-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012240-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2828	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2172	2024-03-28_01870398c6c33c6c8cb25208ce7a02d9_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 2172 wrote to memory of 2828	2172	2024-03-28_01870398c6c33c6c8cb25208ce7a02d9_cryptolocker.exe	28
PID 2172 wrote to memory of 2828	2172	2024-03-28_01870398c6c33c6c8cb25208ce7a02d9_cryptolocker.exe	28
PID 2172 wrote to memory of 2828	2172	2024-03-28_01870398c6c33c6c8cb25208ce7a02d9_cryptolocker.exe	28
PID 2172 wrote to memory of 2828	2172	2024-03-28_01870398c6c33c6c8cb25208ce7a02d9_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-28_01870398c6c33c6c8cb25208ce7a02d9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-28_01870398c6c33c6c8cb25208ce7a02d9_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2172
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2828

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\asih.exe

Filesize
39KB

MD5
31780c1ca79013d6b694272f2970fef0

SHA1
ee8e25b5463ec737cc74fcb965435b7f29c36da1

SHA256
33c41f3326e26f0b126f8bd5ad821eba77e9b070f1e66e6c55b2238e7aceb899

SHA512
99f33b1b1fcd48a308eaab7c0c15396e0200681de3abb2dc2c763c1af4bc038c0e932f42d789839ae8cf482108e57d984bee8bdec29bb7c7e75963ab6f547470

Download Submit
memory/2172-0-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2172-1-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/2172-2-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2828-15-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2828-17-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download