Analysis

  • max time kernel
    143s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    20/10/2020, 22:25

General

  • Target

    doc_pack-347551717.xls

  • Size

    62KB

  • MD5

    d878f924aee710320e13bbc726e83233

  • SHA1

    780cbae4f106ba1354d537e3b3531dabbb6e9a08

  • SHA256

    5367352d3bf6e369c752291c83f9a196b2335dbe147b10149280292e709b2d82

  • SHA512

    68688de7da5ee7569e4462c2a19e488f34168ce1015480a1a140579ef6ef8bc033f7ac40413c927d17b7e9853cee924b607e7534a7f1b4213a220a9f13121cfb

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-347551717.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1124
    • 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:1972
      • C:\COsuv\Wegerb\szvMhegn.exe
        C:\COsuv\Wegerb\szvMhegn.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:920
      • C:\Users\Admin\AppData\Roaming\Microsoft\Baeirtamm\yunqdlsa.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Baeirtamm\yunqdlsa.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:568
        • C:\Users\Admin\AppData\Roaming\Microsoft\Baeirtamm\yunqdlsa.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Baeirtamm\yunqdlsa.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:976
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1708
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn mwlvncby /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I mwlvncby" /SC ONCE /Z /ST 22:31 /ET 22:43
        3⤵
        • Creates scheduled task(s)
        PID:1036
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {8EB085EE-EF9C-4EE6-AC2D-50058F02955C} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1500
    • C:\COsuv\Wegerb\szvMhegn.exe
      C:\COsuv\Wegerb\szvMhegn.exe /I mwlvncby
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1140

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/568-25-0x00000000004B0000-0x00000000004E7000-memory.dmp

    Filesize

    220KB

  • memory/920-15-0x0000000002560000-0x0000000002571000-memory.dmp

    Filesize

    68KB

  • memory/976-24-0x00000000023B0000-0x00000000023C1000-memory.dmp

    Filesize

    68KB

  • memory/1124-7-0x0000000002F70000-0x0000000002F71000-memory.dmp

    Filesize

    4KB

  • memory/1124-6-0x0000000006310000-0x0000000006314000-memory.dmp

    Filesize

    16KB

  • memory/1124-11-0x0000000005130000-0x0000000005134000-memory.dmp

    Filesize

    16KB

  • memory/1124-5-0x0000000004CB0000-0x0000000004CB4000-memory.dmp

    Filesize

    16KB

  • memory/1696-2-0x000007FEF6B70000-0x000007FEF6DEA000-memory.dmp

    Filesize

    2.5MB