Analysis

  • max time kernel
    146s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    15-03-2021 07:51

General

  • Target

    CLEW enquiry 2021.PDF.exe

  • Size

    472KB

  • MD5

    4387f93e0d45409c4397bc25312ac979

  • SHA1

    0f02a839cdac526bd40d7fb62f792947f2ffe76b

  • SHA256

    f92db9d719cb7053b1b814f4a3a31c30572e83dd51b549da36d32b473361c30a

  • SHA512

    54f6761a0bcd495a8c7d6fe31859271515044fe9750df726bd7f51045f03450481f015152ba06b39adc3852ea1f129fadaab4a9634b200d91d3d22aca4da1ccf

Malware Config

Extracted

Family

warzonerat

C2

79.134.225.26:3141

Signatures

  • WarzoneRat, AveMaria

    WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.

  • 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 use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CLEW enquiry 2021.PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\CLEW enquiry 2021.PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2008
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WsQrFjjPrfyT" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB193.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1056
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
        PID:1912

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpB193.tmp

      MD5

      5497ec6419a4928666da7a20a594a553

      SHA1

      3be3befad0ec3e667627246ad35ee1002bc5f19b

      SHA256

      857f51e3eca0107ff0ec8aac785ee4e3ac551014bece0d9c12467fa5488a9483

      SHA512

      44ac1ea3df2bc30e808e9b2b03fb69460f72afcad27ec36042ce3c83a2c29cca0f2afd8a533e4aaa94a329037f48db7d82399d58ddfd1229eeb4c45a067c079d

    • memory/1056-10-0x0000000000000000-mapping.dmp

    • memory/1912-15-0x0000000000400000-0x000000000055E000-memory.dmp

      Filesize

      1.4MB

    • memory/1912-14-0x0000000076641000-0x0000000076643000-memory.dmp

      Filesize

      8KB

    • memory/1912-13-0x0000000000405E28-mapping.dmp

    • memory/1912-12-0x0000000000400000-0x000000000055E000-memory.dmp

      Filesize

      1.4MB

    • memory/2008-6-0x0000000000510000-0x0000000000512000-memory.dmp

      Filesize

      8KB

    • memory/2008-9-0x0000000005BA0000-0x0000000005BD2000-memory.dmp

      Filesize

      200KB

    • memory/2008-8-0x0000000005D00000-0x0000000005D72000-memory.dmp

      Filesize

      456KB

    • memory/2008-7-0x000000007EF40000-0x000000007EF41000-memory.dmp

      Filesize

      4KB

    • memory/2008-2-0x0000000074BA0000-0x000000007528E000-memory.dmp

      Filesize

      6.9MB

    • memory/2008-5-0x0000000004C70000-0x0000000004C71000-memory.dmp

      Filesize

      4KB

    • memory/2008-3-0x0000000000FB0000-0x0000000000FB1000-memory.dmp

      Filesize

      4KB