a089c9a924ab0d9ff6825f0d27f63aed3d569558d70d2ebf955a757bc309bf4b

Analysis

max time kernel
135s
max time network
144s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
19/02/2024, 07:48

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General

Target

2024-02-19_6bff150de586c928675cfbe7687a88a1_cryptolocker.exe
Size

52KB
MD5

6bff150de586c928675cfbe7687a88a1
SHA1

c6da1fbab185cf5c7c8846fa7ee24b2626c104e2
SHA256

a089c9a924ab0d9ff6825f0d27f63aed3d569558d70d2ebf955a757bc309bf4b
SHA512

5d0e6b5793a5bd2031609e943db5d3b7425f0702fa04ddd6118d4db783597460e4652df47cacdaac128de2cdcab07dd2008d73ca66b6879aee0bda04a71b9a1f
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vaTiSfQaV29yDV:X6QFElP6n+gJBMOtEvwDpjBtE1yI9o

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x00080000000120f8-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x00080000000120f8-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2976	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1040	2024-02-19_6bff150de586c928675cfbe7687a88a1_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 1040 wrote to memory of 2976	1040	2024-02-19_6bff150de586c928675cfbe7687a88a1_cryptolocker.exe	28
PID 1040 wrote to memory of 2976	1040	2024-02-19_6bff150de586c928675cfbe7687a88a1_cryptolocker.exe	28
PID 1040 wrote to memory of 2976	1040	2024-02-19_6bff150de586c928675cfbe7687a88a1_cryptolocker.exe	28
PID 1040 wrote to memory of 2976	1040	2024-02-19_6bff150de586c928675cfbe7687a88a1_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-19_6bff150de586c928675cfbe7687a88a1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-19_6bff150de586c928675cfbe7687a88a1_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1040
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2976

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
53KB

MD5
7b2b9c076b57d70043eb7cb6dc42691c

SHA1
6f5bb5ab89152593b107faa2757a9410b18e3bb4

SHA256
b39920cb9305e68024c1b199db21002b4d9d5493548be91f9e4f8f53652848d8

SHA512
79157411a97a8286b1d5dc4e434875d1fd2ebe65659d93b448bc1c4963652570f825d0108b0b316478620b8c221101c0910a665240cef03cc70bb78d110af290

Download Submit
memory/1040-0-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download
memory/1040-1-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/1040-3-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download
memory/2976-15-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2976-16-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download