Analysis

  • max time kernel
    119s
  • max time network
    12s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    20/10/2020, 23:06

General

  • Target

    doc_pack-684804949.xls

  • Size

    62KB

  • MD5

    49c70c45080fd9a58c041218861c9b59

  • SHA1

    d265dcfecc7b52ec2f41d3818009a571c9ab0496

  • SHA256

    6158f4eacb0c694719f69f42914c5db025889f4a9fb549a0ead23d6935f3c0dd

  • SHA512

    dbce792ecc00e007b56f9871dfb85cd2931c35abf716758a2666769a40a65517033c73dace742e4f7e88ee91a6b16e58e941398e8365266d8df8b5985ad48d9d

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 3 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-684804949.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1104
    • 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:2044
      • C:\COsuv\Wegerb\szvMhegn.exe
        C:\COsuv\Wegerb\szvMhegn.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:568
      • C:\Users\Admin\AppData\Roaming\Microsoft\Sezenafkt\smqvieek.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Sezenafkt\smqvieek.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1736
        • C:\Users\Admin\AppData\Roaming\Microsoft\Sezenafkt\smqvieek.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Sezenafkt\smqvieek.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1428
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1476
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn spwfinuny /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I spwfinuny" /SC ONCE /Z /ST 23:16 /ET 23:28
        3⤵
        • Creates scheduled task(s)
        PID:956
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {6466ABFC-91E6-4939-A952-AFE7628C4ED7} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1204
    • C:\COsuv\Wegerb\szvMhegn.exe
      C:\COsuv\Wegerb\szvMhegn.exe /I spwfinuny
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:268

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/568-15-0x00000000025F0000-0x0000000002601000-memory.dmp

    Filesize

    68KB

  • memory/1104-2-0x0000000002180000-0x0000000002181000-memory.dmp

    Filesize

    4KB

  • memory/1104-9-0x0000000002170000-0x0000000002171000-memory.dmp

    Filesize

    4KB

  • memory/1104-8-0x00000000060C0000-0x00000000060C4000-memory.dmp

    Filesize

    16KB

  • memory/1104-7-0x0000000006000000-0x0000000006004000-memory.dmp

    Filesize

    16KB

  • memory/1104-11-0x0000000004E00000-0x0000000004E04000-memory.dmp

    Filesize

    16KB

  • memory/1104-0-0x0000000002180000-0x0000000002181000-memory.dmp

    Filesize

    4KB

  • memory/1428-25-0x0000000002460000-0x0000000002471000-memory.dmp

    Filesize

    68KB

  • memory/1736-26-0x0000000001EA0000-0x0000000001ED7000-memory.dmp

    Filesize

    220KB

  • memory/1848-4-0x000007FEF6880000-0x000007FEF6AFA000-memory.dmp

    Filesize

    2.5MB