Analysis

  • max time kernel
    22s
  • max time network
    27s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04-10-2024 15:32

General

  • Target

    461d7bbff67fa45958735a68976e83143b072eb35f2275086e99212d8fd165cb.exe

  • Size

    480KB

  • MD5

    aac338140e178a3cac423d3454cc7467

  • SHA1

    a9c195e15b4109d4ece1309fb4e3b3bd77145421

  • SHA256

    461d7bbff67fa45958735a68976e83143b072eb35f2275086e99212d8fd165cb

  • SHA512

    a96b2c8c985feccbc385a8ba1e7583be6913db7da15244b136c203f7ca320a03727425f3927c21157eae0c4da3fbbdd8fb71373655c6824544296ec66df834f2

  • SSDEEP

    12288:PkQNy5kuH2lZ6r4os6WQMiyvtJMDiXxJfrJyru:XvuHTr4J7Qw1JJXxJ0ru

Malware Config

Extracted

Family

strrat

C2

93.185.156.124:1912

127.0.0.1:1912

Attributes
  • license_id

    khonsari

  • plugins_url

    http://jbfrost.live/strigoi/server/?hwid=1&lid=m&ht=5

  • scheduled_task

    true

  • secondary_startup

    true

  • startup

    true

Signatures

  • STRRAT

    STRRAT is a remote access tool than can steal credentials and log keystrokes.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\461d7bbff67fa45958735a68976e83143b072eb35f2275086e99212d8fd165cb.exe
    "C:\Users\Admin\AppData\Local\Temp\461d7bbff67fa45958735a68976e83143b072eb35f2275086e99212d8fd165cb.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2716
    • C:\Users\Admin\AppData\Local\Temp\461d7bbff67fa45958735a68976e83143b072eb35f2275086e99212d8fd165cb.exe
      "C:\Users\Admin\AppData\Local\Temp\461d7bbff67fa45958735a68976e83143b072eb35f2275086e99212d8fd165cb.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2888
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c start "" "C:\Users\Admin\AppData\Local\Temp\A.jar"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2844
        • C:\Program Files\Java\jre7\bin\javaw.exe
          "C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Local\Temp\A.jar"
          4⤵
            PID:2632

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\A.jar

      Filesize

      92KB

      MD5

      105a14c6fce083e80f49b30db88ec915

      SHA1

      46187697a87562210e785917ce6ca16aeb4912b3

      SHA256

      7e5adae008afee158168b1943fcc41157c7de63ab4792cc5eba8d1830edd6d65

      SHA512

      2322eeeb100b644d53641ec3c1b0588579565636a2ea934924931f6f77b156b6d4e5925a2f36b0520e1f568d771860af53e9f3c39bb5238f7e7520389692c963

    • memory/2632-71-0x0000000000110000-0x0000000000111000-memory.dmp

      Filesize

      4KB

    • memory/2632-70-0x0000000000110000-0x0000000000111000-memory.dmp

      Filesize

      4KB

    • memory/2632-61-0x0000000000110000-0x0000000000111000-memory.dmp

      Filesize

      4KB

    • memory/2632-59-0x0000000000110000-0x0000000000111000-memory.dmp

      Filesize

      4KB

    • memory/2632-52-0x0000000000110000-0x0000000000111000-memory.dmp

      Filesize

      4KB

    • memory/2632-46-0x0000000074310000-0x0000000074AE9000-memory.dmp

      Filesize

      7.8MB

    • memory/2716-5-0x000000007440E000-0x000000007440F000-memory.dmp

      Filesize

      4KB

    • memory/2716-0-0x000000007440E000-0x000000007440F000-memory.dmp

      Filesize

      4KB

    • memory/2716-1-0x00000000009C0000-0x0000000000A3C000-memory.dmp

      Filesize

      496KB

    • memory/2716-2-0x0000000074400000-0x0000000074AEE000-memory.dmp

      Filesize

      6.9MB

    • memory/2716-3-0x00000000040B0000-0x0000000004124000-memory.dmp

      Filesize

      464KB

    • memory/2716-4-0x0000000000380000-0x0000000000390000-memory.dmp

      Filesize

      64KB

    • memory/2716-6-0x0000000074400000-0x0000000074AEE000-memory.dmp

      Filesize

      6.9MB

    • memory/2716-24-0x0000000074400000-0x0000000074AEE000-memory.dmp

      Filesize

      6.9MB

    • memory/2716-7-0x00000000048F0000-0x0000000004950000-memory.dmp

      Filesize

      384KB

    • memory/2888-10-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2888-8-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2888-11-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2888-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2888-16-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2888-14-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB