Overview

overview

10

Static

static

10

ByfronBP.exe

windows10-2004-x64

7

main.pyc

windows10-2004-x64

3

Sharing

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General

  • Target

    ByfronBP.exe

  • Size

    23.4MB

  • Sample

    250411-k4lwaavpx9

  • MD5

    9ecdcd68f8ba8ee3590124b409175a99

  • SHA1

    c17f5267e05b167acb72280fdb01747fb1e20108

  • SHA256

    00729f82b26a8fca859a4aa9a718df03d2e1deaf57c93004dbecffb89ce2e970

  • SHA512

    13d257093572184d86ebe77f0067dba3b376d58ed25853af2fe95bd2d9b758892daaec64c9fc370797ec8c1b02f2e1a22e02509e6124f6d72627d228d08288d6

  • SSDEEP

    393216:FqPnLFXlrgzIxBZgQhMDOETgsvcGzCcgNi9ri77FHsZjOI0r06EPXYMZO:8PLFXNgkyQhREcciYM7WNF01EzY

Score
10/10
empyreandiscoverypersistenceprivilege_escalationpyinstallerspywarestealerupx

Malware Config

Targets

    • Target

      ByfronBP.exe

    • Size

      23.4MB

    • MD5

      9ecdcd68f8ba8ee3590124b409175a99

    • SHA1

      c17f5267e05b167acb72280fdb01747fb1e20108

    • SHA256

      00729f82b26a8fca859a4aa9a718df03d2e1deaf57c93004dbecffb89ce2e970

    • SHA512

      13d257093572184d86ebe77f0067dba3b376d58ed25853af2fe95bd2d9b758892daaec64c9fc370797ec8c1b02f2e1a22e02509e6124f6d72627d228d08288d6

    • SSDEEP

      393216:FqPnLFXlrgzIxBZgQhMDOETgsvcGzCcgNi9ri77FHsZjOI0r06EPXYMZO:8PLFXNgkyQhREcciYM7WNF01EzY

    Score
    7/10
    discoverypersistenceprivilege_escalationspywarestealerupx

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Adds Run key to start application

      persistence

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1

    • Target

      main.pyc

    • Size

      7KB

    • MD5

      9be288e160511cb7167db814b448fe97

    • SHA1

      3b0abc31f4cd3e719f0d680cb5d6fcca8eef5389

    • SHA256

      53ff3d0a5c6a1ed972adb415d7ddcaf666d3e0d55793f579923a758908ec64a7

    • SHA512

      c433a39e9db1e57783fe47c515e8b602693d1791882192c69b0f0189caa9f4137cf593eab21aa8e5762afc63fc3900826686f5823e32ed0d160b4c8486e5f868

    • SSDEEP

      192:wDRD4nD8HRhWdXw5sDtt8r6JhwCMdw2nw:QR8WPWu5g4+2CP2w

    Score
    3/10
    behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Modify Registry

2
T1112

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Browser Information Discovery

1
T1217

System Information Discovery

1
T1082

System Network Configuration Discovery

1
T1016

Wi-Fi Discovery

1
T1016.002

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Tasks