Analysis

  • max time kernel
    120s
  • max time network
    30s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    20/10/2020, 23:09

General

  • Target

    doc_pack-646092147.xls

  • Size

    62KB

  • MD5

    247a2445928dd11899f08c55944aa3a2

  • SHA1

    a19d61a1da78c4fe3644fe403919083e2286d22c

  • SHA256

    77958f5af99cee4ddad0673e76cec9941775f2c4586a0a6bfada9f5d2b242157

  • SHA512

    0909de9c596f739cb45308c3c3463d8f421655f3e22c8a6224391e08e6d5175abb8c9cef6e4974a3482704c157f3fe2a8386264b68a12e65623f8f1c1be52173

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-646092147.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1504
    • 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:1988
      • C:\COsuv\Wegerb\szvMhegn.exe
        C:\COsuv\Wegerb\szvMhegn.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:1976
      • C:\Users\Admin\AppData\Roaming\Microsoft\Rtsari\izsyq.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Rtsari\izsyq.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1420
        • C:\Users\Admin\AppData\Roaming\Microsoft\Rtsari\izsyq.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Rtsari\izsyq.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1964
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
            PID:108
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            4⤵
              PID:304
            • C:\Windows\SysWOW64\mobsync.exe
              C:\Windows\SysWOW64\mobsync.exe
              4⤵
                PID:1204
              • C:\Windows\SysWOW64\mobsync.exe
                C:\Windows\SysWOW64\mobsync.exe
                4⤵
                  PID:2024
                • C:\Program Files (x86)\Internet Explorer\iexplore.exe
                  "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
                  4⤵
                    PID:1732
                  • C:\Program Files (x86)\Internet Explorer\iexplore.exe
                    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
                    4⤵
                      PID:912
                  • C:\Windows\SysWOW64\schtasks.exe
                    "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn tjgwfrw /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I tjgwfrw" /SC ONCE /Z /ST 01:24 /ET 01:36
                    3⤵
                    • Creates scheduled task(s)
                    PID:932
              • C:\Windows\system32\taskeng.exe
                taskeng.exe {76E6184B-9FF7-4A54-94F1-F25208485B92} S-1-5-18:NT AUTHORITY\System:Service:
                1⤵
                • Suspicious use of WriteProcessMemory
                PID:1552
                • C:\COsuv\Wegerb\szvMhegn.exe
                  C:\COsuv\Wegerb\szvMhegn.exe /I tjgwfrw
                  2⤵
                  • Executes dropped EXE
                  • Suspicious behavior: EnumeratesProcesses
                  PID:940

              Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

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              Downloads

              • memory/1420-23-0x00000000003B0000-0x00000000003E7000-memory.dmp

                Filesize

                220KB

              • memory/1420-26-0x00000000003B0000-0x00000000003E7000-memory.dmp

                Filesize

                220KB

              • memory/1420-31-0x00000000003B0000-0x00000000003E7000-memory.dmp

                Filesize

                220KB

              • memory/1504-9-0x0000000005100000-0x0000000005104000-memory.dmp

                Filesize

                16KB

              • memory/1504-6-0x0000000006270000-0x0000000006274000-memory.dmp

                Filesize

                16KB

              • memory/1504-5-0x0000000004B50000-0x0000000004B54000-memory.dmp

                Filesize

                16KB

              • memory/1616-2-0x000007FEF6790000-0x000007FEF6A0A000-memory.dmp

                Filesize

                2.5MB

              • memory/1964-22-0x00000000025A0000-0x00000000025B1000-memory.dmp

                Filesize

                68KB

              • memory/1976-13-0x0000000002460000-0x0000000002471000-memory.dmp

                Filesize

                68KB