Analysis

  • max time kernel
    145s
  • max time network
    157s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    20/10/2020, 23:08

General

  • Target

    doc_pack-620434390.xls

  • Size

    62KB

  • MD5

    1fdc1aee796bd61ac7c2c19c7b6b2a53

  • SHA1

    252c90907f20524d0882360bd74d26f35d5ea5f0

  • SHA256

    39fa226a4b6a10b95062b7c355d0c73c7158ce491b9b5b08ea245ecec42d9fe0

  • SHA512

    f13f039596e3bf194fa199b13b9cac88e27628bbb29acd77e36729eb9918495fff4c1894fd2b8c1cc6a9421569018f0176836f84727141c73239676e58c0a039

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-620434390.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1164
    • 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:1948
      • C:\COsuv\Wegerb\szvMhegn.exe
        C:\COsuv\Wegerb\szvMhegn.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:484
      • C:\Users\Admin\AppData\Roaming\Microsoft\Cectfpmsa\souzhpvj.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Cectfpmsa\souzhpvj.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:952
        • C:\Users\Admin\AppData\Roaming\Microsoft\Cectfpmsa\souzhpvj.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Cectfpmsa\souzhpvj.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:368
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:700
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn nqjlwulult /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I nqjlwulult" /SC ONCE /Z /ST 23:14 /ET 23:26
        3⤵
        • Creates scheduled task(s)
        PID:1212
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {21F4C99F-F31D-4750-8460-D1ACE46C4988} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1576
    • C:\COsuv\Wegerb\szvMhegn.exe
      C:\COsuv\Wegerb\szvMhegn.exe /I nqjlwulult
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1528

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/368-25-0x00000000023D0000-0x00000000023E1000-memory.dmp

    Filesize

    68KB

  • memory/484-16-0x0000000002570000-0x0000000002581000-memory.dmp

    Filesize

    68KB

  • memory/952-26-0x00000000003C0000-0x00000000003F7000-memory.dmp

    Filesize

    220KB

  • memory/1164-1-0x00000000024D0000-0x00000000024D1000-memory.dmp

    Filesize

    4KB

  • memory/1164-12-0x0000000004C90000-0x0000000004C94000-memory.dmp

    Filesize

    16KB

  • memory/1164-10-0x00000000024C0000-0x00000000024C1000-memory.dmp

    Filesize

    4KB

  • memory/1164-9-0x0000000005F50000-0x0000000005F54000-memory.dmp

    Filesize

    16KB

  • memory/1164-8-0x0000000006F50000-0x0000000006F54000-memory.dmp

    Filesize

    16KB

  • memory/1164-4-0x00000000024D0000-0x00000000024D1000-memory.dmp

    Filesize

    4KB

  • memory/1828-5-0x000007FEF3460000-0x000007FEF36DA000-memory.dmp

    Filesize

    2.5MB