Analysis

  • max time kernel
    151s
  • max time network
    37s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    20/10/2020, 22:22

General

  • Target

    doc_pack-322413574.xls

  • Size

    62KB

  • MD5

    08eb1a86e17f85aa38769369e04dce15

  • SHA1

    b9a6ab82adce1cb3090576087c97e5957d94079a

  • SHA256

    27e3e8f78022dc6dffcf7b58b8b00816aa979bb1fc3c0e5631057fbe4af1a105

  • SHA512

    699c72769cf250e9a32cf44514726fd8a15af04cde2a2abfb6ddccd23d9167b390f44fa02dec0e74f5ca2898bc583ba396906fc1929654685b2e0cc262e50dc6

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 9 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 29 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-322413574.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1408
    • 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:1908
      • C:\COsuv\Wegerb\szvMhegn.exe
        C:\COsuv\Wegerb\szvMhegn.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:1104
      • C:\Users\Admin\AppData\Roaming\Microsoft\Ikeyaab\bysdyizw.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Ikeyaab\bysdyizw.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:924
        • C:\Users\Admin\AppData\Roaming\Microsoft\Ikeyaab\bysdyizw.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Ikeyaab\bysdyizw.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:908
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:292
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn xigxctky /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I xigxctky" /SC ONCE /Z /ST 00:26 /ET 00:38
        3⤵
        • Creates scheduled task(s)
        PID:1428
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {FBBC171C-4DCE-45E4-96AF-22EEFF2BB178} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:944
    • C:\COsuv\Wegerb\szvMhegn.exe
      C:\COsuv\Wegerb\szvMhegn.exe /I xigxctky
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1556

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/908-22-0x0000000002460000-0x0000000002471000-memory.dmp

    Filesize

    68KB

  • memory/924-23-0x00000000005E0000-0x0000000000617000-memory.dmp

    Filesize

    220KB

  • memory/1104-13-0x0000000002440000-0x0000000002451000-memory.dmp

    Filesize

    68KB

  • memory/1408-9-0x0000000004C40000-0x0000000004C44000-memory.dmp

    Filesize

    16KB

  • memory/1408-6-0x0000000005E80000-0x0000000005E84000-memory.dmp

    Filesize

    16KB

  • memory/1408-5-0x0000000006E80000-0x0000000006E84000-memory.dmp

    Filesize

    16KB

  • memory/1828-2-0x000007FEF83B0000-0x000007FEF862A000-memory.dmp

    Filesize

    2.5MB