7e32300fbddfc035d3263cc1b73c9ee0354231e63ed0e56a8b5609074ad4b7de

Analysis

max time kernel
150s
max time network
141s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
19/02/2024, 11:51

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General

Target

2024-02-19_ac6744db7d09ad1fdc140052f869c600_cryptolocker.exe
Size

51KB
MD5

ac6744db7d09ad1fdc140052f869c600
SHA1

ed0d635a409fdada313eafc23f4b962144fd4cb9
SHA256

7e32300fbddfc035d3263cc1b73c9ee0354231e63ed0e56a8b5609074ad4b7de
SHA512

c7ebf37af9dd8b54821860db92caeaf4ca4ca6b1f0adf4dd10e8efbb0b4de34d9239d010d6d883b3fdf78fb7b6527b136aa939f90d0b22675ab186fa1afe8d95
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vaToguMy8i+:X6QFElP6n+gJBMOtEvwDpjBtEJNMdi+

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012281-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012281-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2700	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2020	2024-02-19_ac6744db7d09ad1fdc140052f869c600_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 2020 wrote to memory of 2700	2020	2024-02-19_ac6744db7d09ad1fdc140052f869c600_cryptolocker.exe	28
PID 2020 wrote to memory of 2700	2020	2024-02-19_ac6744db7d09ad1fdc140052f869c600_cryptolocker.exe	28
PID 2020 wrote to memory of 2700	2020	2024-02-19_ac6744db7d09ad1fdc140052f869c600_cryptolocker.exe	28
PID 2020 wrote to memory of 2700	2020	2024-02-19_ac6744db7d09ad1fdc140052f869c600_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-19_ac6744db7d09ad1fdc140052f869c600_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-19_ac6744db7d09ad1fdc140052f869c600_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2700

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
51KB

MD5
ee403756b580a4f808b57d7bd6c0e53e

SHA1
8de734f815828cdc1c6bfa13de3fd3cde945f533

SHA256
989a54f21d453af08e2a945804b84612acf6f09a01279984e0c63d0f1026358f

SHA512
0ab77d6f260d8a9d7cac2abd8f77b7327ac91d7c6da647945b600f5b13aa4f8107b869b7e35938f4b114d7bfa63b1596ab62cd3d6572d525177e56fd281f5d8b

Download Submit
memory/2020-0-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2020-2-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2020-1-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/2700-15-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/2700-18-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download