Analysis

  • max time kernel
    147s
  • max time network
    15s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    20/10/2020, 23:09

General

  • Target

    doc_pack-603059085.xls

  • Size

    62KB

  • MD5

    50c93f523a371787eb45c6809f6d8b83

  • SHA1

    c9799a1e21c0bbb00c0369e65ba99b4e835a8bb3

  • SHA256

    be9b1956dbaf6f5cfb5a11343f3c662fd539a94d2e9e58be58da5bd1cc81a792

  • SHA512

    8f29f1b6bd9b0de022d28d0c24e89dbb46864abe85f46b44f90ae2e0d1879dc0329754ac5dc0b386e16e0a85692acefb949924d0002980fc2b9a1787d7a02447

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-603059085.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1304
    • 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:1888
      • C:\COsuv\Wegerb\szvMhegn.exe
        C:\COsuv\Wegerb\szvMhegn.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:1936
      • C:\Users\Admin\AppData\Roaming\Microsoft\Geeihkkeaeo\fsyit.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Geeihkkeaeo\fsyit.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1124
        • C:\Users\Admin\AppData\Roaming\Microsoft\Geeihkkeaeo\fsyit.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Geeihkkeaeo\fsyit.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1860
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:952
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn hndsvqois /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I hndsvqois" /SC ONCE /Z /ST 01:24 /ET 01:36
        3⤵
        • Creates scheduled task(s)
        PID:688
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {53625733-D287-4336-8F83-92784D30F6C9} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:948
    • C:\COsuv\Wegerb\szvMhegn.exe
      C:\COsuv\Wegerb\szvMhegn.exe /I hndsvqois
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:2012

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1124-23-0x0000000000540000-0x0000000000577000-memory.dmp

    Filesize

    220KB

  • memory/1304-9-0x0000000004D10000-0x0000000004D14000-memory.dmp

    Filesize

    16KB

  • memory/1304-6-0x0000000005EF0000-0x0000000005EF4000-memory.dmp

    Filesize

    16KB

  • memory/1304-5-0x0000000006EF0000-0x0000000006EF4000-memory.dmp

    Filesize

    16KB

  • memory/1812-2-0x000007FEF8550000-0x000007FEF87CA000-memory.dmp

    Filesize

    2.5MB

  • memory/1860-22-0x0000000002460000-0x0000000002471000-memory.dmp

    Filesize

    68KB

  • memory/1936-13-0x0000000002530000-0x0000000002541000-memory.dmp

    Filesize

    68KB