Analysis

  • max time kernel
    66s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    03-03-2023 01:06

General

  • Target

    d1e9dc6865130b195b353d3f03e5861ec3b6b03f2db2b481b6463af1d653386b.exe

  • Size

    1.1MB

  • MD5

    191f43ae815e77b26b39ec8177d4afdd

  • SHA1

    5cbadee9725ce9ba0ca60d9d022ed6a6092ab3d7

  • SHA256

    d1e9dc6865130b195b353d3f03e5861ec3b6b03f2db2b481b6463af1d653386b

  • SHA512

    b103e4bc16b941d9e634f4c9a3244ea369055269122f69d4530a39cb254d4060be25cfe83fd05dcd88c8c773411369cfe16b92362af410645b7989f390f028cf

  • SSDEEP

    12288:9eUaWShbopAJkP3hep2PKd5BaMH87xVwizdzh/sxBN/AFMjqhSj3SOC1ARAa0j1U:pAT0KdfaLxVwizbsxfivhSjU1na0C

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.valvulasthermovalve.cl
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    LILKOOLL14!!

Signatures

  • AgentTesla

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

  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d1e9dc6865130b195b353d3f03e5861ec3b6b03f2db2b481b6463af1d653386b.exe
    "C:\Users\Admin\AppData\Local\Temp\d1e9dc6865130b195b353d3f03e5861ec3b6b03f2db2b481b6463af1d653386b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2012
    • C:\Users\Admin\AppData\Local\Temp\d1e9dc6865130b195b353d3f03e5861ec3b6b03f2db2b481b6463af1d653386b.exe
      "C:\Users\Admin\AppData\Local\Temp\d1e9dc6865130b195b353d3f03e5861ec3b6b03f2db2b481b6463af1d653386b.exe"
      2⤵
        PID:1208
      • C:\Users\Admin\AppData\Local\Temp\d1e9dc6865130b195b353d3f03e5861ec3b6b03f2db2b481b6463af1d653386b.exe
        "C:\Users\Admin\AppData\Local\Temp\d1e9dc6865130b195b353d3f03e5861ec3b6b03f2db2b481b6463af1d653386b.exe"
        2⤵
          PID:1204
        • C:\Users\Admin\AppData\Local\Temp\d1e9dc6865130b195b353d3f03e5861ec3b6b03f2db2b481b6463af1d653386b.exe
          "C:\Users\Admin\AppData\Local\Temp\d1e9dc6865130b195b353d3f03e5861ec3b6b03f2db2b481b6463af1d653386b.exe"
          2⤵
            PID:1304
          • C:\Users\Admin\AppData\Local\Temp\d1e9dc6865130b195b353d3f03e5861ec3b6b03f2db2b481b6463af1d653386b.exe
            "C:\Users\Admin\AppData\Local\Temp\d1e9dc6865130b195b353d3f03e5861ec3b6b03f2db2b481b6463af1d653386b.exe"
            2⤵
            • Accesses Microsoft Outlook profiles
            • Suspicious use of AdjustPrivilegeToken
            • outlook_office_path
            • outlook_win_path
            PID:848

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\Cab1E3D.tmp

          Filesize

          61KB

          MD5

          fc4666cbca561e864e7fdf883a9e6661

          SHA1

          2f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5

          SHA256

          10f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b

          SHA512

          c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d

        • memory/848-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/848-62-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/848-64-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/848-88-0x0000000004590000-0x00000000045D0000-memory.dmp

          Filesize

          256KB

        • memory/848-63-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/848-71-0x0000000004590000-0x00000000045D0000-memory.dmp

          Filesize

          256KB

        • memory/848-61-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/848-66-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/848-70-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/848-68-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/2012-60-0x00000000005D0000-0x0000000000620000-memory.dmp

          Filesize

          320KB

        • memory/2012-54-0x00000000000D0000-0x00000000001F8000-memory.dmp

          Filesize

          1.2MB

        • memory/2012-59-0x000000000A570000-0x000000000A636000-memory.dmp

          Filesize

          792KB

        • memory/2012-57-0x00000000049D0000-0x0000000004A10000-memory.dmp

          Filesize

          256KB

        • memory/2012-56-0x00000000004C0000-0x00000000004D6000-memory.dmp

          Filesize

          88KB

        • memory/2012-55-0x00000000049D0000-0x0000000004A10000-memory.dmp

          Filesize

          256KB

        • memory/2012-58-0x00000000004D0000-0x00000000004DC000-memory.dmp

          Filesize

          48KB