Analysis

  • max time kernel
    149s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    20/10/2020, 23:07

General

  • Target

    doc_pack-578845380.xls

  • Size

    62KB

  • MD5

    bc0f28c27bfe2d9728a8ad04e4ed4d1d

  • SHA1

    5ebd8a3a18d57d219ef797a9c8d4c15d0197e1f8

  • SHA256

    67c73d5e01b679735d8e5ff6538604d8eddfd211d4201f3f27423bc37a808f70

  • SHA512

    6ca8a835bc0f2a88a688f07461b2cf584fe2ce28910f3e0e82ed3aecb96eb9e3775ce9d2d065c11ca60381880f5ff3d4261cbfaebe1575ef90983dac3f24d2e1

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 7 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-578845380.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1028
    • 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:2008
      • C:\COsuv\Wegerb\szvMhegn.exe
        C:\COsuv\Wegerb\szvMhegn.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:604
      • C:\Users\Admin\AppData\Roaming\Microsoft\Jsnlkfawtym\bguioca.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Jsnlkfawtym\bguioca.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:428
        • C:\Users\Admin\AppData\Roaming\Microsoft\Jsnlkfawtym\bguioca.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Jsnlkfawtym\bguioca.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:584
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1768
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn tfokknzdd /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I tfokknzdd" /SC ONCE /Z /ST 01:17 /ET 01:29
        3⤵
        • Creates scheduled task(s)
        PID:992
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {FDEFEA06-E059-4932-B93A-2D0AA79FFAA7} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1380
    • C:\COsuv\Wegerb\szvMhegn.exe
      C:\COsuv\Wegerb\szvMhegn.exe /I tfokknzdd
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1484

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/428-28-0x0000000000550000-0x0000000000587000-memory.dmp

    Filesize

    220KB

  • memory/584-27-0x0000000002500000-0x0000000002511000-memory.dmp

    Filesize

    68KB

  • memory/604-18-0x0000000002470000-0x0000000002481000-memory.dmp

    Filesize

    68KB

  • memory/1028-9-0x0000000005E50000-0x0000000005E54000-memory.dmp

    Filesize

    16KB

  • memory/1028-14-0x0000000004D50000-0x0000000004D54000-memory.dmp

    Filesize

    16KB

  • memory/1028-8-0x0000000006E50000-0x0000000006E54000-memory.dmp

    Filesize

    16KB

  • memory/1028-0-0x0000000001E40000-0x0000000001E41000-memory.dmp

    Filesize

    4KB

  • memory/1028-10-0x0000000001E40000-0x0000000001E45000-memory.dmp

    Filesize

    20KB

  • memory/1028-11-0x0000000001E30000-0x0000000001E31000-memory.dmp

    Filesize

    4KB

  • memory/1028-2-0x0000000001E40000-0x0000000001E41000-memory.dmp

    Filesize

    4KB

  • memory/1936-5-0x000007FEF7F70000-0x000007FEF81EA000-memory.dmp

    Filesize

    2.5MB