Analysis

  • max time kernel
    138s
  • max time network
    43s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    20/10/2020, 22:28

General

  • Target

    doc_pack-406621654.xls

  • Size

    62KB

  • MD5

    cfc27483e681ebd9ca0da8f04a4babfa

  • SHA1

    e2a4db7e86370ae406103804110169b59cf60f07

  • SHA256

    df4d2276d37f3650210762ef80f4609a29549c892b512790fd684e03c2c91082

  • SHA512

    c0f345ca060409840a42d7951550c3f6a6bcc72e5d26b1ea4faf3318bb47a8c4620d5c5a85220d5ea5fa5214ebd6614230dad69d84eea1ec5c3634d8a1db856d

Malware Config

Extracted

Family

qakbot

Botnet

tr01

Campaign

1602688146

C2

73.228.1.246:443

74.109.219.145:443

76.111.128.194:443

90.175.88.99:2222

108.191.28.158:443

68.225.60.77:443

75.136.40.155:443

5.193.181.221:2078

72.204.242.138:20

118.160.162.234:443

68.14.210.246:22

148.101.74.12:443

74.222.204.82:443

96.30.198.161:443

140.82.27.132:443

2.50.131.64:443

45.32.155.12:995

45.63.104.123:443

45.32.165.134:443

217.162.149.212:443

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 2 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 54 IoCs

Processes

  • C:\Program Files\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-406621654.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1124
    • C:\COsuv\Wegerb\szvMhegn.exe
      "C:\COsuv\Wegerb\szvMhegn.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2036
      • C:\COsuv\Wegerb\szvMhegn.exe
        C:\COsuv\Wegerb\szvMhegn.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:596
      • C:\Users\Admin\AppData\Roaming\Microsoft\Vbycukd\alioixbf.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Vbycukd\alioixbf.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:624
        • C:\Users\Admin\AppData\Roaming\Microsoft\Vbycukd\alioixbf.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Vbycukd\alioixbf.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:688
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
            PID:1880
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            4⤵
              PID:1204
            • C:\Windows\SysWOW64\mobsync.exe
              C:\Windows\SysWOW64\mobsync.exe
              4⤵
                PID:1064
              • C:\Windows\SysWOW64\mobsync.exe
                C:\Windows\SysWOW64\mobsync.exe
                4⤵
                  PID:832
                • C:\Program Files (x86)\Internet Explorer\iexplore.exe
                  "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
                  4⤵
                    PID:1400
                  • C:\Program Files (x86)\Internet Explorer\iexplore.exe
                    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
                    4⤵
                      PID:1476
                  • C:\Windows\SysWOW64\schtasks.exe
                    "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn vtwkdad /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I vtwkdad" /SC ONCE /Z /ST 22:41 /ET 22:53
                    3⤵
                    • Creates scheduled task(s)
                    PID:1396
              • C:\Windows\system32\taskeng.exe
                taskeng.exe {03229154-5480-47E8-9756-687A45FBE8C4} S-1-5-18:NT AUTHORITY\System:Service:
                1⤵
                • Suspicious use of WriteProcessMemory
                PID:1104
                • C:\COsuv\Wegerb\szvMhegn.exe
                  C:\COsuv\Wegerb\szvMhegn.exe /I vtwkdad
                  2⤵
                  • Executes dropped EXE
                  • Suspicious behavior: EnumeratesProcesses
                  PID:1328

              Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • memory/596-15-0x0000000002440000-0x0000000002451000-memory.dmp

                Filesize

                68KB

              • memory/624-25-0x0000000000540000-0x0000000000577000-memory.dmp

                Filesize

                220KB

              • memory/624-30-0x0000000000540000-0x0000000000577000-memory.dmp

                Filesize

                220KB

              • memory/624-29-0x0000000000540000-0x0000000000577000-memory.dmp

                Filesize

                220KB

              • memory/624-28-0x0000000000540000-0x0000000000577000-memory.dmp

                Filesize

                220KB

              • memory/624-26-0x0000000000540000-0x0000000000577000-memory.dmp

                Filesize

                220KB

              • memory/688-24-0x00000000024A0000-0x00000000024B1000-memory.dmp

                Filesize

                68KB

              • memory/1124-6-0x0000000005EB0000-0x0000000005EB4000-memory.dmp

                Filesize

                16KB

              • memory/1124-7-0x0000000002500000-0x0000000002501000-memory.dmp

                Filesize

                4KB

              • memory/1124-5-0x0000000006EB0000-0x0000000006EB4000-memory.dmp

                Filesize

                16KB

              • memory/1124-11-0x0000000004BA0000-0x0000000004BA4000-memory.dmp

                Filesize

                16KB

              • memory/1220-2-0x000007FEF40D0000-0x000007FEF434A000-memory.dmp

                Filesize

                2.5MB