Malware Analysis Report

2024-10-23 17:14

Sample ID 231231-rpks1afff4
Target 39a6e471a9bc622f74a255595d092b9a
SHA256 b48c9cc1470787a06df5e3a8eb9d489d77ac022c23ea9538d34d852610804921
Tags
cryptbot discovery spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

b48c9cc1470787a06df5e3a8eb9d489d77ac022c23ea9538d34d852610804921

Threat Level: Known bad

The file 39a6e471a9bc622f74a255595d092b9a was found to be: Known bad.

Malicious Activity Summary

cryptbot discovery spyware stealer

CryptBot payload

CryptBot

Reads user/profile data of web browsers

Checks installed software on the system

Accesses cryptocurrency files/wallets, possible credential harvesting

Enumerates physical storage devices

Unsigned PE

Checks processor information in registry

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-31 14:22

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-31 14:22

Reported

2024-01-10 21:07

Platform

win7-20231215-en

Max time kernel

145s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\39a6e471a9bc622f74a255595d092b9a.exe"

Signatures

CryptBot

spyware stealer cryptbot

CryptBot payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Reads user/profile data of web browsers

spyware stealer

Accesses cryptocurrency files/wallets, possible credential harvesting

spyware

Checks installed software on the system

discovery

Enumerates physical storage devices

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\39a6e471a9bc622f74a255595d092b9a.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\39a6e471a9bc622f74a255595d092b9a.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\39a6e471a9bc622f74a255595d092b9a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\39a6e471a9bc622f74a255595d092b9a.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\39a6e471a9bc622f74a255595d092b9a.exe

"C:\Users\Admin\AppData\Local\Temp\39a6e471a9bc622f74a255595d092b9a.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 lysayu42.top udp

Files

memory/2644-1-0x0000000000250000-0x0000000000350000-memory.dmp

memory/2644-2-0x0000000000960000-0x0000000000A00000-memory.dmp

memory/2644-3-0x0000000000400000-0x000000000095C000-memory.dmp

memory/2644-4-0x0000000000C20000-0x0000000000C21000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\UrbPobNtB07\_Files\_Information.txt

MD5 131945d7934655bc6758f5ce32a52b81
SHA1 83ec1bc65b12f93720e42061f69a7edc2eef640e
SHA256 440abfd029814d55a71624797dedc8e4b01fb0e97e9e727a5b63c8afa6523aa5
SHA512 986b20454bd1618a25d9b9c85f8de197f2d016c5160b9da7d6fb60a9444fc1e0143dc3df4849804a59421b4990f78a88a82968ceea73a057b4205b69b99599a6

C:\Users\Admin\AppData\Local\Temp\UrbPobNtB07\files_\system_info.txt

MD5 a6589b4629fd566a9056e1fb3aca55fe
SHA1 51ef537629bd8be8b12a286e2c417b9dafa92b80
SHA256 3f489def7f7ee68c29693c8a03b9f971b5366fd3872e8588b330c0ea8336c308
SHA512 bbaa7758df35bf53798c81efdc3e5f27d3b09b19c6076676c3027db6717747ee48d56d1dd7e6a0065b4ed2c11afb7c9e48da5195d325d37e2834b09bd386f00e

C:\Users\Admin\AppData\Local\Temp\UrbPobNtB07\_Files\_Screen_Desktop.jpeg

MD5 195a744361203016f07235c1178af4b4
SHA1 1ed15a84bfe7788b7f9972fec738e687a320703c
SHA256 43750ecef0a4b61fde874aefa09771ae29ef15056ab1f3d59d48b88fcc34317b
SHA512 9ea4e19bc8558fe4c86210c244207909b141bf48a6d50add496cead1660159304d1420eff66103f59b60df7572117962009f7ebbb12a379eed6cda8080f4d982

memory/2644-221-0x0000000000400000-0x000000000095C000-memory.dmp

memory/2644-223-0x0000000000250000-0x0000000000350000-memory.dmp

memory/2644-225-0x0000000000960000-0x0000000000A00000-memory.dmp

memory/2644-227-0x0000000000C20000-0x0000000000C21000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\UrbPobNtB07\Nx1YetWIqr.zip

MD5 67322fae821f28ba37cb408f904641f0
SHA1 7791cd5cf4e56bdab759fe10e72dd04707e44165
SHA256 3f442e786f1dfccfb0912c73ce1e1ce1c5a8ca5aaaa9bb233ec0a3be1dc63542
SHA512 17ddb7571f6664bc3bfaf81d3f03b624f37af7427ede74d97baadf51f13fe73ed864513689a45f3e22bee098a5d2b1f17c6e93787b90da1417f3810b0819fefd

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-31 14:22

Reported

2024-01-10 21:07

Platform

win10v2004-20231222-en

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

N/A

Files

N/A