Analysis

  • max time kernel
    137s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/05/2024, 01:00

General

  • Target

    shipment invoice.exe

  • Size

    491KB

  • MD5

    f01a3a3a9c895b320ef5cd519cf30eb3

  • SHA1

    2bf14991c94bcc27043cfd0908d3c7df3064ae3a

  • SHA256

    0c33297e293bffec0a5728c9553044a89b5b4ef7389b2a45fb460dbc0fdf838a

  • SHA512

    105b77f75ea1a3101e834744e310791a767529acf6c5bf949833b39efa9fe93b21a1062847e7ad15521fbedb7fe05c3c539b8c7e5cb7c51047091c213284b7e7

  • SSDEEP

    12288:aM5FVuS1Ow2nQARhG3HYoOw8P7r9r/+ppppppppppppppppppppppppppppp0G:3AS1F2nBDFZ1q

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.

  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\shipment invoice.exe
    "C:\Users\Admin\AppData\Local\Temp\shipment invoice.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:332
    • C:\Users\Admin\AppData\Local\Temp\shipment invoice.exe
      "C:\Users\Admin\AppData\Local\Temp\shipment invoice.exe"
      2⤵
        PID:3156
      • C:\Users\Admin\AppData\Local\Temp\shipment invoice.exe
        "C:\Users\Admin\AppData\Local\Temp\shipment invoice.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1096
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3748 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:1436

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/332-11-0x0000000074F00000-0x00000000756B0000-memory.dmp

              Filesize

              7.7MB

            • memory/332-1-0x0000000000DA0000-0x0000000000E20000-memory.dmp

              Filesize

              512KB

            • memory/332-2-0x0000000005D50000-0x00000000062F4000-memory.dmp

              Filesize

              5.6MB

            • memory/332-3-0x0000000005840000-0x00000000058D2000-memory.dmp

              Filesize

              584KB

            • memory/332-4-0x0000000074F00000-0x00000000756B0000-memory.dmp

              Filesize

              7.7MB

            • memory/332-5-0x0000000074F0E000-0x0000000074F0F000-memory.dmp

              Filesize

              4KB

            • memory/332-6-0x00000000057D0000-0x00000000057DA000-memory.dmp

              Filesize

              40KB

            • memory/332-7-0x00000000059D0000-0x0000000005A18000-memory.dmp

              Filesize

              288KB

            • memory/332-0-0x0000000074F0E000-0x0000000074F0F000-memory.dmp

              Filesize

              4KB

            • memory/1096-8-0x0000000000400000-0x0000000000440000-memory.dmp

              Filesize

              256KB

            • memory/1096-10-0x0000000074F00000-0x00000000756B0000-memory.dmp

              Filesize

              7.7MB

            • memory/1096-9-0x0000000074F00000-0x00000000756B0000-memory.dmp

              Filesize

              7.7MB

            • memory/1096-12-0x0000000004F90000-0x0000000004FF6000-memory.dmp

              Filesize

              408KB

            • memory/1096-13-0x0000000074F00000-0x00000000756B0000-memory.dmp

              Filesize

              7.7MB

            • memory/1096-14-0x0000000006640000-0x0000000006690000-memory.dmp

              Filesize

              320KB

            • memory/1096-15-0x0000000006730000-0x00000000067CC000-memory.dmp

              Filesize

              624KB

            • memory/1096-16-0x0000000074F00000-0x00000000756B0000-memory.dmp

              Filesize

              7.7MB