Analysis

  • max time kernel
    146s
  • max time network
    11s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    20/10/2020, 23:12

General

  • Target

    doc_pack-705805820.xls

  • Size

    62KB

  • MD5

    e80774c9bb6789101c2d72e7ef65b4da

  • SHA1

    40e05f07a34d028ca680d5970ac3afe3ce97573f

  • SHA256

    72671950248428dc1f4d570d54858d5bcb7ba6191785da39603af9f567e7e13f

  • SHA512

    ffe5182f73af0fbbeada572799bd949767ea0e18f4cb7f7322a3986365dc76ebde0b4f47dd013ad88a8ad9c839132abf32eb5c578413e2cc708a427c75865d06

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-705805820.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1088
    • 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:1936
      • C:\COsuv\Wegerb\szvMhegn.exe
        C:\COsuv\Wegerb\szvMhegn.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:1136
      • C:\Users\Admin\AppData\Roaming\Microsoft\Vaitniqodry\rjobueki.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Vaitniqodry\rjobueki.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:652
        • C:\Users\Admin\AppData\Roaming\Microsoft\Vaitniqodry\rjobueki.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Vaitniqodry\rjobueki.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:956
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:280
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn tdbyltycru /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I tdbyltycru" /SC ONCE /Z /ST 01:25 /ET 01:37
        3⤵
        • Creates scheduled task(s)
        PID:2032
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {35A207B0-59C4-4ACC-8F11-33CB44B7AD2E} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1096
    • C:\COsuv\Wegerb\szvMhegn.exe
      C:\COsuv\Wegerb\szvMhegn.exe /I tdbyltycru
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1848

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/652-23-0x0000000000450000-0x0000000000487000-memory.dmp

    Filesize

    220KB

  • memory/956-22-0x00000000024A0000-0x00000000024B1000-memory.dmp

    Filesize

    68KB

  • memory/1088-1-0x0000000000518000-0x000000000051C000-memory.dmp

    Filesize

    16KB

  • memory/1088-6-0x00000000061E0000-0x00000000061E4000-memory.dmp

    Filesize

    16KB

  • memory/1088-9-0x00000000050E0000-0x00000000050E4000-memory.dmp

    Filesize

    16KB

  • memory/1088-5-0x0000000004BD0000-0x0000000004BD4000-memory.dmp

    Filesize

    16KB

  • memory/1088-0-0x0000000000518000-0x000000000051C000-memory.dmp

    Filesize

    16KB

  • memory/1136-13-0x0000000002560000-0x0000000002571000-memory.dmp

    Filesize

    68KB

  • memory/1632-2-0x000007FEF7B20000-0x000007FEF7D9A000-memory.dmp

    Filesize

    2.5MB