Analysis

  • max time kernel
    117s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-09-2024 11:25

General

  • Target

    msBXjHgLiqGMHCU.exe

  • Size

    755KB

  • MD5

    49a1b7551dcb6332880de16b36be8015

  • SHA1

    f14439e569ab7bdde5f50e1a430fdfc150fd45d2

  • SHA256

    8722d9be017fd945c9ace288f405051fd8ced8c141cadf680448d4e6cd5bf8ac

  • SHA512

    a4d88e90e5aa53eb9d07b3527e1c4835c0a1cc2f2566a941da6e73cc1ded4c365faada34cf8cb632e2d4d2bce285f2b964962e944ad5fcb31cb9ebc8c1a1c940

  • SSDEEP

    12288:UytYRaUnn/ccM2iYx019cfbIX3sOZ6zHiit9ZSM+cYyvN+m5VbzODW151ZkR:5YgUkcX0/cfS8OZ6zHvocFPVHSg1E

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    aowapnzgtwgqowgt

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\msBXjHgLiqGMHCU.exe
    "C:\Users\Admin\AppData\Local\Temp\msBXjHgLiqGMHCU.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3020
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\msBXjHgLiqGMHCU.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4020
    • C:\Users\Admin\AppData\Local\Temp\msBXjHgLiqGMHCU.exe
      "C:\Users\Admin\AppData\Local\Temp\msBXjHgLiqGMHCU.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1792

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4t3fhr3l.bqo.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1792-11-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1792-52-0x0000000006460000-0x00000000064B0000-memory.dmp

    Filesize

    320KB

  • memory/1792-19-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/1792-62-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/1792-63-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/1792-17-0x0000000005620000-0x0000000005686000-memory.dmp

    Filesize

    408KB

  • memory/1792-13-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/3020-5-0x0000000004EC0000-0x0000000004ECA000-memory.dmp

    Filesize

    40KB

  • memory/3020-9-0x00000000067A0000-0x0000000006822000-memory.dmp

    Filesize

    520KB

  • memory/3020-10-0x0000000008D60000-0x0000000008DFC000-memory.dmp

    Filesize

    624KB

  • memory/3020-8-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/3020-7-0x0000000074EEE000-0x0000000074EEF000-memory.dmp

    Filesize

    4KB

  • memory/3020-14-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/3020-6-0x0000000005250000-0x0000000005260000-memory.dmp

    Filesize

    64KB

  • memory/3020-0-0x0000000074EEE000-0x0000000074EEF000-memory.dmp

    Filesize

    4KB

  • memory/3020-4-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/3020-3-0x0000000004E20000-0x0000000004EB2000-memory.dmp

    Filesize

    584KB

  • memory/3020-2-0x0000000005330000-0x00000000058D4000-memory.dmp

    Filesize

    5.6MB

  • memory/3020-1-0x0000000000350000-0x000000000040E000-memory.dmp

    Filesize

    760KB

  • memory/4020-22-0x00000000057C0000-0x00000000057E2000-memory.dmp

    Filesize

    136KB

  • memory/4020-49-0x00000000080D0000-0x000000000874A000-memory.dmp

    Filesize

    6.5MB

  • memory/4020-20-0x0000000005A80000-0x00000000060A8000-memory.dmp

    Filesize

    6.2MB

  • memory/4020-21-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/4020-29-0x0000000006160000-0x00000000064B4000-memory.dmp

    Filesize

    3.3MB

  • memory/4020-34-0x0000000006770000-0x000000000678E000-memory.dmp

    Filesize

    120KB

  • memory/4020-35-0x0000000006CB0000-0x0000000006CFC000-memory.dmp

    Filesize

    304KB

  • memory/4020-36-0x0000000007910000-0x0000000007942000-memory.dmp

    Filesize

    200KB

  • memory/4020-37-0x0000000070B40000-0x0000000070B8C000-memory.dmp

    Filesize

    304KB

  • memory/4020-47-0x0000000006D20000-0x0000000006D3E000-memory.dmp

    Filesize

    120KB

  • memory/4020-48-0x0000000007950000-0x00000000079F3000-memory.dmp

    Filesize

    652KB

  • memory/4020-23-0x0000000005860000-0x00000000058C6000-memory.dmp

    Filesize

    408KB

  • memory/4020-50-0x0000000007A90000-0x0000000007AAA000-memory.dmp

    Filesize

    104KB

  • memory/4020-51-0x0000000007B00000-0x0000000007B0A000-memory.dmp

    Filesize

    40KB

  • memory/4020-15-0x0000000002E50000-0x0000000002E86000-memory.dmp

    Filesize

    216KB

  • memory/4020-53-0x0000000007D10000-0x0000000007DA6000-memory.dmp

    Filesize

    600KB

  • memory/4020-54-0x0000000007C90000-0x0000000007CA1000-memory.dmp

    Filesize

    68KB

  • memory/4020-55-0x0000000007CC0000-0x0000000007CCE000-memory.dmp

    Filesize

    56KB

  • memory/4020-56-0x0000000007CD0000-0x0000000007CE4000-memory.dmp

    Filesize

    80KB

  • memory/4020-57-0x0000000007DD0000-0x0000000007DEA000-memory.dmp

    Filesize

    104KB

  • memory/4020-58-0x0000000007DB0000-0x0000000007DB8000-memory.dmp

    Filesize

    32KB

  • memory/4020-61-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/4020-18-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/4020-16-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB