Analysis

  • max time kernel
    113s
  • max time network
    105s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    20/10/2020, 23:08

General

  • Target

    doc_pack-602014108.xls

  • Size

    62KB

  • MD5

    a2d40ef00b5e53b5d7b2406f0625cdaf

  • SHA1

    28f3c2383678ef41bbf273cc2780b370fb31e862

  • SHA256

    2ee61b25227ca71de4079882ba7e6750dfddcee9c2b864aeb53d8b16d61b8d9e

  • SHA512

    789b05eb1c0a452220725be2d606864ca64d5879563692cb8e38e27a4073e0e8c236cb8adaba9ac31f3131a5e8e7566066406f99f9b8eaa905bb6bd72a349b98

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-602014108.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1612
    • 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:1488
      • C:\COsuv\Wegerb\szvMhegn.exe
        C:\COsuv\Wegerb\szvMhegn.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:396
      • C:\Users\Admin\AppData\Roaming\Microsoft\Ksduneie\eqouij.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Ksduneie\eqouij.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:108
        • C:\Users\Admin\AppData\Roaming\Microsoft\Ksduneie\eqouij.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Ksduneie\eqouij.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:628
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1040
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn enfkespmvp /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I enfkespmvp" /SC ONCE /Z /ST 23:13 /ET 23:25
        3⤵
        • Creates scheduled task(s)
        PID:556
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {569C2719-8E41-48A6-BA10-2D9E4DE5CDF7} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1956
    • C:\COsuv\Wegerb\szvMhegn.exe
      C:\COsuv\Wegerb\szvMhegn.exe /I enfkespmvp
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1976

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/108-26-0x0000000000840000-0x0000000000877000-memory.dmp

    Filesize

    220KB

  • memory/396-15-0x0000000002550000-0x0000000002561000-memory.dmp

    Filesize

    68KB

  • memory/628-25-0x0000000002520000-0x0000000002531000-memory.dmp

    Filesize

    68KB

  • memory/1304-2-0x000007FEF7CD0000-0x000007FEF7F4A000-memory.dmp

    Filesize

    2.5MB

  • memory/1612-7-0x0000000002EA0000-0x0000000002EA1000-memory.dmp

    Filesize

    4KB

  • memory/1612-5-0x0000000007C90000-0x0000000007C94000-memory.dmp

    Filesize

    16KB

  • memory/1612-6-0x0000000006C90000-0x0000000006C94000-memory.dmp

    Filesize

    16KB

  • memory/1612-11-0x0000000005B50000-0x0000000005B54000-memory.dmp

    Filesize

    16KB

  • memory/1612-0-0x000000000012D000-0x0000000000131000-memory.dmp

    Filesize

    16KB

  • memory/1612-1-0x000000000012D000-0x0000000000131000-memory.dmp

    Filesize

    16KB