Analysis

  • max time kernel
    28s
  • max time network
    29s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    04-04-2021 06:26

General

  • Target

    697B7BFC9F44A4E89FB38857312C198B.exe

  • Size

    285KB

  • MD5

    697b7bfc9f44a4e89fb38857312c198b

  • SHA1

    2189356d911952211d15ccf1a21d587ff88e72b0

  • SHA256

    f272777ee69921d167509fdf27ad55f4deb671a9063854d63bef679aaa31d1ba

  • SHA512

    ae2ff5d11e8ecb9825c049a506cc9f5a28b0479cebda6bc466a49c56e913e453d5764a289ce686f92bb8faf84534c0c7fdd8db8759729237d4fb169023dec4f8

Malware Config

Signatures

  • Contains code to disable Windows Defender 1 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • Pony,Fareit

    Pony is a Remote Access Trojan application that steals information.

  • ReZer0 packer 1 IoCs

    Detects ReZer0, a packer with multiple versions used in various campaigns.

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

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\697B7BFC9F44A4E89FB38857312C198B.exe
    "C:\Users\Admin\AppData\Local\Temp\697B7BFC9F44A4E89FB38857312C198B.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:548
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TYsahGzZfGPn" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5744.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1908
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "{path}"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2032
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\259301414.bat" "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe" "
        3⤵
          PID:1112

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\259301414.bat
      MD5

      3880eeb1c736d853eb13b44898b718ab

      SHA1

      4eec9d50360cd815211e3c4e6bdd08271b6ec8e6

      SHA256

      936d9411d5226b7c5a150ecaf422987590a8870c8e095e1caa072273041a86e7

      SHA512

      3eaa3dddd7a11942e75acd44208fbe3d3ff8f4006951cd970fb9ab748c160739409803450d28037e577443504707fc310c634e9dc54d0c25e8cfe6094f017c6b

    • C:\Users\Admin\AppData\Local\Temp\tmp5744.tmp
      MD5

      5b7cc84fd152d6da2899388600ebb832

      SHA1

      0c8b3c1b46287056ca6abb64c9690de128e669f1

      SHA256

      6a653efd04b6eb9f0659850a95806809680033c0a89ddcfd5fd1c0cecab275e3

      SHA512

      a6d9d0cd6a5281dce9047e3848e27124aa514c5d9cb942b4a668096fe6f9c128723f508f73ad2dde78b1988782e4b5330c77c0659c192861be2c8edee2ca36bc

    • memory/548-3-0x00000000009F0000-0x00000000009F1000-memory.dmp
      Filesize

      4KB

    • memory/548-5-0x0000000004780000-0x0000000004781000-memory.dmp
      Filesize

      4KB

    • memory/548-6-0x0000000000510000-0x000000000052E000-memory.dmp
      Filesize

      120KB

    • memory/548-2-0x0000000074B50000-0x000000007523E000-memory.dmp
      Filesize

      6.9MB

    • memory/840-13-0x000007FEF8800000-0x000007FEF8A7A000-memory.dmp
      Filesize

      2.5MB

    • memory/1112-14-0x0000000000000000-mapping.dmp
    • memory/1908-7-0x0000000000000000-mapping.dmp
    • memory/2032-9-0x0000000000400000-0x0000000000419000-memory.dmp
      Filesize

      100KB

    • memory/2032-12-0x0000000000400000-0x0000000000419000-memory.dmp
      Filesize

      100KB

    • memory/2032-11-0x0000000076451000-0x0000000076453000-memory.dmp
      Filesize

      8KB

    • memory/2032-10-0x0000000000410621-mapping.dmp