Analysis

  • max time kernel
    126s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    20/10/2020, 23:07

General

  • Target

    doc_pack-58275658.xls

  • Size

    62KB

  • MD5

    ef1c44facde23534d70dbf54e89ffff6

  • SHA1

    2e9e5d8ca5a9acef45085496038dba1b8e476b25

  • SHA256

    f7373ec37041061774ee2c2359382c27f9f0266b381030755b6ab416b891d222

  • SHA512

    b5f72591e74e497bac0e34f754afafdb08dd17468fd021031111d85323f6fcd1b5a7b3f960f0bc63dec22f7e75f5bfa03d8957a3842f38a7c7dfeafbd1f7377a

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-58275658.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1512
    • 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:336
      • C:\COsuv\Wegerb\szvMhegn.exe
        C:\COsuv\Wegerb\szvMhegn.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:620
      • C:\Users\Admin\AppData\Roaming\Microsoft\Wgumybryjrow\vmede.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Wgumybryjrow\vmede.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:280
        • C:\Users\Admin\AppData\Roaming\Microsoft\Wgumybryjrow\vmede.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Wgumybryjrow\vmede.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:372
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:628
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn qyzybtar /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I qyzybtar" /SC ONCE /Z /ST 01:09 /ET 01:21
        3⤵
        • Creates scheduled task(s)
        PID:860
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {E9EB0599-7693-4116-8658-60A3219AD6D2} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1492
    • C:\COsuv\Wegerb\szvMhegn.exe
      C:\COsuv\Wegerb\szvMhegn.exe /I qyzybtar
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1280

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/280-23-0x00000000003C0000-0x00000000003F7000-memory.dmp

    Filesize

    220KB

  • memory/372-22-0x0000000002530000-0x0000000002541000-memory.dmp

    Filesize

    68KB

  • memory/620-13-0x0000000002480000-0x0000000002491000-memory.dmp

    Filesize

    68KB

  • memory/1512-9-0x00000000059B0000-0x00000000059B4000-memory.dmp

    Filesize

    16KB

  • memory/1512-6-0x0000000006BF0000-0x0000000006BF4000-memory.dmp

    Filesize

    16KB

  • memory/1512-5-0x0000000007BF0000-0x0000000007BF4000-memory.dmp

    Filesize

    16KB

  • memory/1868-2-0x000007FEF8670000-0x000007FEF88EA000-memory.dmp

    Filesize

    2.5MB