Analysis

  • max time kernel
    137s
  • max time network
    28s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    20/10/2020, 23:07

General

  • Target

    doc_pack-588996186.xls

  • Size

    62KB

  • MD5

    4cc90dbaf846709721eefca387a89555

  • SHA1

    6a1f605c6224c30f67c3b3b4abc507707e0b05b3

  • SHA256

    741d350c5d7b45cac0f4e8790574737ea1e1cac72eb02d6365899bd0c4c4bc5b

  • SHA512

    1420d7e92c7542c6ab614c5bd5f9ac5eb19e0e896bf110c76cb45d264d75eb6b80a51781fd38f5b249b4508aeddb5d44aa596d8f45a8500a4dd559f7bdb52939

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-588996186.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1480
    • 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:1168
      • C:\Users\Admin\AppData\Roaming\Microsoft\Tcbduzwkao\cdaclbo.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Tcbduzwkao\cdaclbo.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1140
        • C:\Users\Admin\AppData\Roaming\Microsoft\Tcbduzwkao\cdaclbo.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Tcbduzwkao\cdaclbo.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1888
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:2036
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn nhhmcvdn /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I nhhmcvdn" /SC ONCE /Z /ST 01:19 /ET 01:31
        3⤵
        • Creates scheduled task(s)
        PID:928
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {A991E61E-AC78-44A1-B3C0-9352F3DA38D3} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:940
    • C:\COsuv\Wegerb\szvMhegn.exe
      C:\COsuv\Wegerb\szvMhegn.exe /I nhhmcvdn
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1476

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1140-29-0x0000000002410000-0x0000000002447000-memory.dmp

    Filesize

    220KB

  • memory/1168-18-0x0000000002420000-0x0000000002431000-memory.dmp

    Filesize

    68KB

  • memory/1480-10-0x00000000024D0000-0x00000000024D5000-memory.dmp

    Filesize

    20KB

  • memory/1480-14-0x0000000004D50000-0x0000000004D54000-memory.dmp

    Filesize

    16KB

  • memory/1480-11-0x00000000024C0000-0x00000000024C1000-memory.dmp

    Filesize

    4KB

  • memory/1480-0-0x00000000024D0000-0x00000000024D1000-memory.dmp

    Filesize

    4KB

  • memory/1480-9-0x0000000005EF0000-0x0000000005EF4000-memory.dmp

    Filesize

    16KB

  • memory/1480-8-0x0000000005E50000-0x0000000005E54000-memory.dmp

    Filesize

    16KB

  • memory/1480-2-0x00000000024D0000-0x00000000024D1000-memory.dmp

    Filesize

    4KB

  • memory/1616-5-0x000007FEF76E0000-0x000007FEF795A000-memory.dmp

    Filesize

    2.5MB

  • memory/1888-28-0x00000000024A0000-0x00000000024B1000-memory.dmp

    Filesize

    68KB