Analysis

  • max time kernel
    116s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-09-2024 12:39

General

  • Target

    5.exe

  • Size

    635KB

  • MD5

    1fb2088c9d4054cb8881b8065f8c7fcc

  • SHA1

    4adeea429e6ec3fd6c3ce62e184c61b4a1be12b1

  • SHA256

    c39033fb9aa3af73b672cd1784036e84a3bb20d7cb8d2dd612208bdd5b96d622

  • SHA512

    f7935457e959d4ba4684483753e2ca02820fac4fc0c5d3f08a43108d85230dc62be4ad0dd437a276f4f10005ca585896e179a0e3e7ab6ea098b28d7076dc7bd7

  • SSDEEP

    12288:T/qRqjqYB2HqyF1ip9IfxWledlMq6mapp/VhwXyhl43E5aIsKtM:TqpUcrF+IZWljq1mp/Vh2yhl5lM

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.bonnyriggdentalsurgery.com.au
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    eL)rV@QBKA#m

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.

  • Looks up external IP address via web service 3 IoCs

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

  • 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\5.exe
    "C:\Users\Admin\AppData\Local\Temp\5.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:776
    • 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\5.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1704
    • C:\Users\Admin\AppData\Local\Temp\5.exe
      "C:\Users\Admin\AppData\Local\Temp\5.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:208

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fpbes3ct.v0z.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/208-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/208-56-0x0000000006A50000-0x0000000006AA0000-memory.dmp

    Filesize

    320KB

  • memory/208-17-0x00000000752E0000-0x0000000075A90000-memory.dmp

    Filesize

    7.7MB

  • memory/208-16-0x0000000005200000-0x0000000005266000-memory.dmp

    Filesize

    408KB

  • memory/208-62-0x00000000752E0000-0x0000000075A90000-memory.dmp

    Filesize

    7.7MB

  • memory/208-13-0x00000000752E0000-0x0000000075A90000-memory.dmp

    Filesize

    7.7MB

  • memory/776-4-0x00000000752E0000-0x0000000075A90000-memory.dmp

    Filesize

    7.7MB

  • memory/776-8-0x00000000752EE000-0x00000000752EF000-memory.dmp

    Filesize

    4KB

  • memory/776-9-0x00000000752E0000-0x0000000075A90000-memory.dmp

    Filesize

    7.7MB

  • memory/776-10-0x0000000006830000-0x00000000068B4000-memory.dmp

    Filesize

    528KB

  • memory/776-7-0x00000000053B0000-0x00000000053C0000-memory.dmp

    Filesize

    64KB

  • memory/776-6-0x0000000005020000-0x00000000050BC000-memory.dmp

    Filesize

    624KB

  • memory/776-14-0x00000000752E0000-0x0000000075A90000-memory.dmp

    Filesize

    7.7MB

  • memory/776-5-0x0000000004F60000-0x0000000004F6A000-memory.dmp

    Filesize

    40KB

  • memory/776-0-0x00000000752EE000-0x00000000752EF000-memory.dmp

    Filesize

    4KB

  • memory/776-3-0x0000000004D80000-0x0000000004E12000-memory.dmp

    Filesize

    584KB

  • memory/776-2-0x00000000053E0000-0x0000000005984000-memory.dmp

    Filesize

    5.6MB

  • memory/776-1-0x0000000000300000-0x00000000003A4000-memory.dmp

    Filesize

    656KB

  • memory/1704-22-0x00000000752E0000-0x0000000075A90000-memory.dmp

    Filesize

    7.7MB

  • memory/1704-48-0x00000000072C0000-0x0000000007363000-memory.dmp

    Filesize

    652KB

  • memory/1704-21-0x00000000058A0000-0x0000000005906000-memory.dmp

    Filesize

    408KB

  • memory/1704-23-0x00000000752E0000-0x0000000075A90000-memory.dmp

    Filesize

    7.7MB

  • memory/1704-24-0x0000000005B30000-0x0000000005E84000-memory.dmp

    Filesize

    3.3MB

  • memory/1704-18-0x00000000051C0000-0x00000000057E8000-memory.dmp

    Filesize

    6.2MB

  • memory/1704-34-0x00000000060D0000-0x00000000060EE000-memory.dmp

    Filesize

    120KB

  • memory/1704-35-0x00000000061F0000-0x000000000623C000-memory.dmp

    Filesize

    304KB

  • memory/1704-36-0x0000000007080000-0x00000000070B2000-memory.dmp

    Filesize

    200KB

  • memory/1704-37-0x0000000070F60000-0x0000000070FAC000-memory.dmp

    Filesize

    304KB

  • memory/1704-47-0x0000000007060000-0x000000000707E000-memory.dmp

    Filesize

    120KB

  • memory/1704-20-0x0000000005030000-0x0000000005052000-memory.dmp

    Filesize

    136KB

  • memory/1704-50-0x0000000007410000-0x000000000742A000-memory.dmp

    Filesize

    104KB

  • memory/1704-49-0x0000000007A60000-0x00000000080DA000-memory.dmp

    Filesize

    6.5MB

  • memory/1704-51-0x0000000007480000-0x000000000748A000-memory.dmp

    Filesize

    40KB

  • memory/1704-52-0x0000000007690000-0x0000000007726000-memory.dmp

    Filesize

    600KB

  • memory/1704-53-0x0000000007610000-0x0000000007621000-memory.dmp

    Filesize

    68KB

  • memory/1704-54-0x0000000007640000-0x000000000764E000-memory.dmp

    Filesize

    56KB

  • memory/1704-55-0x0000000007650000-0x0000000007664000-memory.dmp

    Filesize

    80KB

  • memory/1704-19-0x00000000752E0000-0x0000000075A90000-memory.dmp

    Filesize

    7.7MB

  • memory/1704-57-0x0000000007750000-0x000000000776A000-memory.dmp

    Filesize

    104KB

  • memory/1704-58-0x0000000007730000-0x0000000007738000-memory.dmp

    Filesize

    32KB

  • memory/1704-61-0x00000000752E0000-0x0000000075A90000-memory.dmp

    Filesize

    7.7MB

  • memory/1704-15-0x0000000004B50000-0x0000000004B86000-memory.dmp

    Filesize

    216KB