Analysis

  • max time kernel
    119s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-12-2023 19:47

General

  • Target

    SHIPPING DOCUMENT_9871610T00077003_pdf.exe

  • Size

    639KB

  • MD5

    c60068fde058f588a2b7fe236cfbc0e9

  • SHA1

    d5b3d029b3645a1f2cbf14ec1d134276e47d60e2

  • SHA256

    a75840200db6ba9313053ab15551f6c758d78ac9ffbe75ede0f36e744eaed24b

  • SHA512

    146f766575aa3f81a4d90247871e17cd99bb572720f1a5b72a0ace9140476556d321e82526176bc831eefd029253c5fa627eb7ba78bbd73e2c080447fa2249c0

  • SSDEEP

    12288:CE5QaueH5qjR82KUIdsNQ3GZDlOPk9JiPB7a4pZ5fBJfOUmtakjg7s:CE3qjWsI6wKo44PBu8Z5L2Umtaks

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.dcc-asia.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    soso@#1235

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENT_9871610T00077003_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENT_9871610T00077003_pdf.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2692
    • 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\SHIPPING DOCUMENT_9871610T00077003_pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2820
    • C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENT_9871610T00077003_pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENT_9871610T00077003_pdf.exe"
      2⤵
        PID:4576
      • C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENT_9871610T00077003_pdf.exe
        "C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENT_9871610T00077003_pdf.exe"
        2⤵
          PID:1768
        • C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENT_9871610T00077003_pdf.exe
          "C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENT_9871610T00077003_pdf.exe"
          2⤵
            PID:1368
          • C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENT_9871610T00077003_pdf.exe
            "C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENT_9871610T00077003_pdf.exe"
            2⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:740

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tafvamjc.yjz.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • memory/740-11-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/740-17-0x0000000005530000-0x0000000005596000-memory.dmp

          Filesize

          408KB

        • memory/740-18-0x00000000055B0000-0x00000000055C0000-memory.dmp

          Filesize

          64KB

        • memory/740-62-0x0000000006BD0000-0x0000000006C20000-memory.dmp

          Filesize

          320KB

        • memory/740-63-0x0000000074BF0000-0x00000000753A0000-memory.dmp

          Filesize

          7.7MB

        • memory/740-64-0x00000000055B0000-0x00000000055C0000-memory.dmp

          Filesize

          64KB

        • memory/740-13-0x0000000074BF0000-0x00000000753A0000-memory.dmp

          Filesize

          7.7MB

        • memory/2692-5-0x0000000005570000-0x000000000557A000-memory.dmp

          Filesize

          40KB

        • memory/2692-9-0x00000000069F0000-0x0000000006A6A000-memory.dmp

          Filesize

          488KB

        • memory/2692-10-0x0000000009020000-0x00000000090BC000-memory.dmp

          Filesize

          624KB

        • memory/2692-8-0x00000000056F0000-0x00000000056FA000-memory.dmp

          Filesize

          40KB

        • memory/2692-7-0x00000000056E0000-0x00000000056E8000-memory.dmp

          Filesize

          32KB

        • memory/2692-14-0x0000000074BF0000-0x00000000753A0000-memory.dmp

          Filesize

          7.7MB

        • memory/2692-6-0x00000000056A0000-0x00000000056BA000-memory.dmp

          Filesize

          104KB

        • memory/2692-4-0x0000000005390000-0x00000000053A0000-memory.dmp

          Filesize

          64KB

        • memory/2692-3-0x00000000053A0000-0x0000000005432000-memory.dmp

          Filesize

          584KB

        • memory/2692-2-0x0000000005A20000-0x0000000005FC4000-memory.dmp

          Filesize

          5.6MB

        • memory/2692-0-0x0000000000940000-0x00000000009E4000-memory.dmp

          Filesize

          656KB

        • memory/2692-1-0x0000000074BF0000-0x00000000753A0000-memory.dmp

          Filesize

          7.7MB

        • memory/2820-21-0x0000000004FE0000-0x0000000005002000-memory.dmp

          Filesize

          136KB

        • memory/2820-50-0x0000000007810000-0x0000000007E8A000-memory.dmp

          Filesize

          6.5MB

        • memory/2820-20-0x0000000004A30000-0x0000000004A40000-memory.dmp

          Filesize

          64KB

        • memory/2820-32-0x0000000005A80000-0x0000000005DD4000-memory.dmp

          Filesize

          3.3MB

        • memory/2820-33-0x0000000005E80000-0x0000000005E9E000-memory.dmp

          Filesize

          120KB

        • memory/2820-34-0x0000000005EB0000-0x0000000005EFC000-memory.dmp

          Filesize

          304KB

        • memory/2820-35-0x000000007F770000-0x000000007F780000-memory.dmp

          Filesize

          64KB

        • memory/2820-37-0x0000000070870000-0x00000000708BC000-memory.dmp

          Filesize

          304KB

        • memory/2820-36-0x0000000006E50000-0x0000000006E82000-memory.dmp

          Filesize

          200KB

        • memory/2820-48-0x0000000006450000-0x000000000646E000-memory.dmp

          Filesize

          120KB

        • memory/2820-49-0x0000000006E90000-0x0000000006F33000-memory.dmp

          Filesize

          652KB

        • memory/2820-47-0x0000000004A30000-0x0000000004A40000-memory.dmp

          Filesize

          64KB

        • memory/2820-51-0x00000000071D0000-0x00000000071EA000-memory.dmp

          Filesize

          104KB

        • memory/2820-29-0x00000000058D0000-0x0000000005936000-memory.dmp

          Filesize

          408KB

        • memory/2820-52-0x0000000007240000-0x000000000724A000-memory.dmp

          Filesize

          40KB

        • memory/2820-53-0x0000000007450000-0x00000000074E6000-memory.dmp

          Filesize

          600KB

        • memory/2820-54-0x00000000073D0000-0x00000000073E1000-memory.dmp

          Filesize

          68KB

        • memory/2820-55-0x0000000007400000-0x000000000740E000-memory.dmp

          Filesize

          56KB

        • memory/2820-56-0x0000000007410000-0x0000000007424000-memory.dmp

          Filesize

          80KB

        • memory/2820-58-0x00000000074F0000-0x00000000074F8000-memory.dmp

          Filesize

          32KB

        • memory/2820-57-0x0000000007510000-0x000000000752A000-memory.dmp

          Filesize

          104KB

        • memory/2820-61-0x0000000074BF0000-0x00000000753A0000-memory.dmp

          Filesize

          7.7MB

        • memory/2820-19-0x0000000005070000-0x0000000005698000-memory.dmp

          Filesize

          6.2MB

        • memory/2820-15-0x00000000048F0000-0x0000000004926000-memory.dmp

          Filesize

          216KB

        • memory/2820-16-0x0000000074BF0000-0x00000000753A0000-memory.dmp

          Filesize

          7.7MB