Analysis

  • max time kernel
    119s
  • max time network
    10s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    20/10/2020, 23:08

General

  • Target

    doc_pack-640927368.xls

  • Size

    62KB

  • MD5

    a9a4dc13d6aa1048cbe6fee8b677cc8a

  • SHA1

    b2d43ee61a085649be172f235bafd0bf69a9a449

  • SHA256

    37cad4af392fa67e5bb0d8df00139c1f4466c35c61310ed8e29ea89b90cdf6b5

  • SHA512

    9ed8ae58eb7b737190ea4772dbe388b29fc1ae75751005b404dd6f81603219a3e87cdcfac0513baf46c6384eb9e28d3d9b8f5fea1da2c8e05dfd34768dc07ecb

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-640927368.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1124
    • 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:2000
      • C:\COsuv\Wegerb\szvMhegn.exe
        C:\COsuv\Wegerb\szvMhegn.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:396
      • C:\Users\Admin\AppData\Roaming\Microsoft\Axblrm\jqhhii.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Axblrm\jqhhii.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1064
        • C:\Users\Admin\AppData\Roaming\Microsoft\Axblrm\jqhhii.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Axblrm\jqhhii.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:812
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:300
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn nvqudfh /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I nvqudfh" /SC ONCE /Z /ST 23:14 /ET 23:26
        3⤵
        • Creates scheduled task(s)
        PID:1100
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {2092D67E-0A38-4786-BB27-0EA11A21C73E} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1756
    • C:\COsuv\Wegerb\szvMhegn.exe
      C:\COsuv\Wegerb\szvMhegn.exe /I nvqudfh
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1512

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/396-13-0x0000000002510000-0x0000000002521000-memory.dmp

    Filesize

    68KB

  • memory/812-22-0x0000000002490000-0x00000000024A1000-memory.dmp

    Filesize

    68KB

  • memory/1064-23-0x00000000003C0000-0x00000000003F7000-memory.dmp

    Filesize

    220KB

  • memory/1124-9-0x0000000004C80000-0x0000000004C84000-memory.dmp

    Filesize

    16KB

  • memory/1124-6-0x0000000005EC0000-0x0000000005EC4000-memory.dmp

    Filesize

    16KB

  • memory/1124-5-0x0000000006EC0000-0x0000000006EC4000-memory.dmp

    Filesize

    16KB

  • memory/1824-2-0x000007FEF6980000-0x000007FEF6BFA000-memory.dmp

    Filesize

    2.5MB