Analysis

  • max time kernel
    55s
  • max time network
    56s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-04-2024 12:07

General

  • Target

    Novage New Purchase Order.exe

  • Size

    548KB

  • MD5

    de379a368ac84fbdd812d62390865332

  • SHA1

    50cba525e79fa50fa606668a5b400171209773c8

  • SHA256

    4fa1ddc835d185f3e6940501ba18b2add1125bcf3b2ae120cbb085861a480c49

  • SHA512

    ca1f8376ee7de97999308a15954edaf4a96fa511a491df043ea36d1033be38122ce7c85084ddfa02c16493f3ce6a56a01695b62ab04d7e3ddde1aa283011b3d0

  • SSDEEP

    12288:Ay7aP9BjyE2V7gTk2DNqGJo35NbP7r9r/+pppppppppppppppppppppppppppppb:Albf2Vzgo35t1q

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Novage New Purchase Order.exe
    "C:\Users\Admin\AppData\Local\Temp\Novage New Purchase Order.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1408
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
      "Powershell.exe" 'C:\Users\Admin\AppData\Local\Temp\Novage New Purchase Order.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PO.exe'
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4400
    • C:\Users\Admin\AppData\Local\Temp\Novage New Purchase Order.exe
      "C:\Users\Admin\AppData\Local\Temp\Novage New Purchase Order.exe"
      2⤵
        PID:4508
      • C:\Users\Admin\AppData\Local\Temp\Novage New Purchase Order.exe
        "C:\Users\Admin\AppData\Local\Temp\Novage New Purchase Order.exe"
        2⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:640

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Persistence

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Privilege Escalation

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Defense Evasion

    Modify Registry

    1
    T1112

    Credential Access

    Unsecured Credentials

    4
    T1552

    Credentials In Files

    3
    T1552.001

    Credentials in Registry

    1
    T1552.002

    Collection

    Data from Local System

    4
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_v5ebvkx5.oep.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/640-31-0x0000000005140000-0x0000000005150000-memory.dmp
      Filesize

      64KB

    • memory/640-39-0x0000000005140000-0x0000000005150000-memory.dmp
      Filesize

      64KB

    • memory/640-30-0x0000000074740000-0x0000000074EF0000-memory.dmp
      Filesize

      7.7MB

    • memory/640-27-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/640-38-0x0000000074740000-0x0000000074EF0000-memory.dmp
      Filesize

      7.7MB

    • memory/640-37-0x0000000006960000-0x00000000069B0000-memory.dmp
      Filesize

      320KB

    • memory/1408-7-0x0000000005CE0000-0x0000000005D7C000-memory.dmp
      Filesize

      624KB

    • memory/1408-2-0x0000000005F60000-0x0000000006504000-memory.dmp
      Filesize

      5.6MB

    • memory/1408-5-0x00000000058F0000-0x00000000058FA000-memory.dmp
      Filesize

      40KB

    • memory/1408-6-0x0000000005B60000-0x0000000005BB6000-memory.dmp
      Filesize

      344KB

    • memory/1408-32-0x0000000074740000-0x0000000074EF0000-memory.dmp
      Filesize

      7.7MB

    • memory/1408-26-0x0000000005AA0000-0x0000000005AAA000-memory.dmp
      Filesize

      40KB

    • memory/1408-4-0x0000000005AE0000-0x0000000005AF0000-memory.dmp
      Filesize

      64KB

    • memory/1408-0-0x0000000000E80000-0x0000000000F0E000-memory.dmp
      Filesize

      568KB

    • memory/1408-3-0x0000000005900000-0x0000000005992000-memory.dmp
      Filesize

      584KB

    • memory/1408-1-0x0000000074740000-0x0000000074EF0000-memory.dmp
      Filesize

      7.7MB

    • memory/4400-15-0x0000000005BB0000-0x0000000005C16000-memory.dmp
      Filesize

      408KB

    • memory/4400-25-0x0000000005C20000-0x0000000005F74000-memory.dmp
      Filesize

      3.3MB

    • memory/4400-28-0x0000000006210000-0x000000000622E000-memory.dmp
      Filesize

      120KB

    • memory/4400-14-0x0000000005A40000-0x0000000005AA6000-memory.dmp
      Filesize

      408KB

    • memory/4400-29-0x0000000006230000-0x000000000627C000-memory.dmp
      Filesize

      304KB

    • memory/4400-13-0x0000000005270000-0x0000000005292000-memory.dmp
      Filesize

      136KB

    • memory/4400-11-0x0000000002920000-0x0000000002930000-memory.dmp
      Filesize

      64KB

    • memory/4400-12-0x0000000002920000-0x0000000002930000-memory.dmp
      Filesize

      64KB

    • memory/4400-35-0x0000000074740000-0x0000000074EF0000-memory.dmp
      Filesize

      7.7MB

    • memory/4400-10-0x0000000074740000-0x0000000074EF0000-memory.dmp
      Filesize

      7.7MB

    • memory/4400-9-0x00000000052E0000-0x0000000005908000-memory.dmp
      Filesize

      6.2MB

    • memory/4400-8-0x00000000028E0000-0x0000000002916000-memory.dmp
      Filesize

      216KB