Analysis

  • max time kernel
    107s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    20/10/2020, 22:25

General

  • Target

    doc_pack-380226848.xls

  • Size

    62KB

  • MD5

    297cc8eba56c3356931aaad9aacc3e58

  • SHA1

    cf19fa2782636416539b04b79035e2f10605e8bb

  • SHA256

    3129693214d8802e97e251e12a6315edabc4e56cbc50d28053e23adf1f47d184

  • SHA512

    4d442dafe6e04b7da35c8167a1a342154c12cb5c7f4bd24f32273772db99b91c4155da899caa8afb704a5b490eb4e32b3d54199a6a537c52623e479ea061f1e4

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-380226848.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1420
    • 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:2004
      • C:\COsuv\Wegerb\szvMhegn.exe
        C:\COsuv\Wegerb\szvMhegn.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:556
      • C:\Users\Admin\AppData\Roaming\Microsoft\Ewzctpggt\yfliucaf.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Ewzctpggt\yfliucaf.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:964
        • C:\Users\Admin\AppData\Roaming\Microsoft\Ewzctpggt\yfliucaf.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Ewzctpggt\yfliucaf.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:632
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1884
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn tivnjgley /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I tivnjgley" /SC ONCE /Z /ST 00:30 /ET 00:42
        3⤵
        • Creates scheduled task(s)
        PID:1808
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {D71A6784-CB68-49CE-AA64-8935D089DC74} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1500
    • C:\COsuv\Wegerb\szvMhegn.exe
      C:\COsuv\Wegerb\szvMhegn.exe /I tivnjgley
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1776

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/556-13-0x00000000024B0000-0x00000000024C1000-memory.dmp

    Filesize

    68KB

  • memory/632-22-0x00000000025A0000-0x00000000025B1000-memory.dmp

    Filesize

    68KB

  • memory/964-23-0x00000000004D0000-0x0000000000507000-memory.dmp

    Filesize

    220KB

  • memory/1416-2-0x000007FEF84F0000-0x000007FEF876A000-memory.dmp

    Filesize

    2.5MB

  • memory/1420-9-0x0000000004DF0000-0x0000000004DF4000-memory.dmp

    Filesize

    16KB

  • memory/1420-6-0x0000000005F00000-0x0000000005F04000-memory.dmp

    Filesize

    16KB

  • memory/1420-5-0x0000000004C70000-0x0000000004C74000-memory.dmp

    Filesize

    16KB