Analysis

  • max time kernel
    132s
  • max time network
    30s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    20/10/2020, 22:28

General

  • Target

    doc_pack-411515421.xls

  • Size

    62KB

  • MD5

    b4bf226185d4c1b73439c21043255c04

  • SHA1

    aa4c952bec4e76da83d2e929748b63e97d6cc68d

  • SHA256

    a2ea7b06efe1a92fd89ae2aa7c4fa80f1ec5d2047d399695cab376ab8ef033d6

  • SHA512

    edfd7c83abcb93ee72f3c2756d0111b9bde2cca37a7539f2ffa168b47ae92dc6d93a0c375658fa14bd27fcdfac80ea843159c8090098b4f5c2eeb8ab9d506fdf

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-411515421.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:844
    • 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:1944
      • C:\COsuv\Wegerb\szvMhegn.exe
        C:\COsuv\Wegerb\szvMhegn.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:2008
      • C:\Users\Admin\AppData\Roaming\Microsoft\Qfkgvwe\zigae.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Qfkgvwe\zigae.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1568
        • C:\Users\Admin\AppData\Roaming\Microsoft\Qfkgvwe\zigae.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Qfkgvwe\zigae.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1548
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:360
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn mnkmptj /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I mnkmptj" /SC ONCE /Z /ST 00:41 /ET 00:53
        3⤵
        • Creates scheduled task(s)
        PID:972
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {BB687226-8E75-43CD-99B4-8B9552E1F729} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:288
    • C:\COsuv\Wegerb\szvMhegn.exe
      C:\COsuv\Wegerb\szvMhegn.exe /I mnkmptj
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:960

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/844-9-0x0000000004CE0000-0x0000000004CE4000-memory.dmp

    Filesize

    16KB

  • memory/844-6-0x0000000005EF0000-0x0000000005EF4000-memory.dmp

    Filesize

    16KB

  • memory/844-5-0x0000000004B60000-0x0000000004B64000-memory.dmp

    Filesize

    16KB

  • memory/1548-22-0x0000000002590000-0x00000000025A1000-memory.dmp

    Filesize

    68KB

  • memory/1568-23-0x0000000000450000-0x0000000000487000-memory.dmp

    Filesize

    220KB

  • memory/1908-2-0x000007FEF87B0000-0x000007FEF8A2A000-memory.dmp

    Filesize

    2.5MB

  • memory/2008-13-0x00000000024D0000-0x00000000024E1000-memory.dmp

    Filesize

    68KB