Analysis

  • max time kernel
    4294183s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20220311-en
  • submitted
    21/03/2022, 07:57

General

  • Target
    LETTER OF CREDIT-PNP PO-11698 SLUB INV REVISED.exe
  • Size 970KB
  • Sample220321-js9mjaadgr
  • SHA256 4b1532fa6483dfb4194a1f3fbf583f511caea6035f61e9ffad798bd58981f5a8
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • warzonerat

C2
  • 76.8.53.133:1198

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.

  • Program crash 1 IoCs
  • 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\LETTER OF CREDIT-PNP PO-11698 SLUB INV REVISED.exe
    "C:\Users\Admin\AppData\Local\Temp\LETTER OF CREDIT-PNP PO-11698 SLUB INV REVISED.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2032
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\dSwzeGAKjL.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:940
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dSwzeGAKjL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8D7.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2044
    • C:\Users\Admin\AppData\Local\Temp\LETTER OF CREDIT-PNP PO-11698 SLUB INV REVISED.exe
      "C:\Users\Admin\AppData\Local\Temp\LETTER OF CREDIT-PNP PO-11698 SLUB INV REVISED.exe"
      2⤵
        PID:1224
      • C:\Users\Admin\AppData\Local\Temp\LETTER OF CREDIT-PNP PO-11698 SLUB INV REVISED.exe
        "C:\Users\Admin\AppData\Local\Temp\LETTER OF CREDIT-PNP PO-11698 SLUB INV REVISED.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1092
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1092 -s 200
          3⤵
          • Program crash
          PID:1404

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/940-78-0x000000006F240000-0x000000006F7EB000-memory.dmp

          memory/940-82-0x0000000002212000-0x0000000002214000-memory.dmp

          memory/940-80-0x0000000002210000-0x0000000002211000-memory.dmp

          memory/940-81-0x0000000002211000-0x0000000002212000-memory.dmp

          memory/940-79-0x000000006F240000-0x000000006F7EB000-memory.dmp

          memory/940-59-0x0000000075801000-0x0000000075803000-memory.dmp

          memory/1092-66-0x0000000000400000-0x000000000055E000-memory.dmp

          memory/1092-74-0x0000000000400000-0x000000000055E000-memory.dmp

          memory/1092-64-0x0000000000400000-0x000000000055E000-memory.dmp

          memory/1092-77-0x0000000000400000-0x000000000055E000-memory.dmp

          memory/1092-68-0x0000000000400000-0x000000000055E000-memory.dmp

          memory/1092-70-0x0000000000400000-0x000000000055E000-memory.dmp

          memory/1092-72-0x0000000000400000-0x000000000055E000-memory.dmp

          memory/1092-62-0x0000000000400000-0x000000000055E000-memory.dmp

          memory/2032-54-0x0000000001090000-0x0000000001188000-memory.dmp

          memory/2032-61-0x0000000000FC0000-0x0000000000FEC000-memory.dmp

          memory/2032-58-0x0000000005960000-0x0000000005A54000-memory.dmp

          memory/2032-57-0x0000000000510000-0x0000000000528000-memory.dmp

          memory/2032-56-0x00000000046C0000-0x00000000046C1000-memory.dmp

          memory/2032-55-0x0000000074E00000-0x00000000754EE000-memory.dmp