Analysis

  • max time kernel
    146s
  • max time network
    24s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    20/10/2020, 23:07

General

  • Target

    doc_pack-651894405.xls

  • Size

    62KB

  • MD5

    11a4bcbc6ad1ea09c928817e9606c971

  • SHA1

    3d9218b68d04d573907dc5df079ee8f7bd431ca8

  • SHA256

    e8a8179e1dcf8c5e6fb7b1d57442ff5a627a17fd4f7e09cfc4e5852097525ca7

  • SHA512

    e41eafd2157d7f1c4fad3f555784b3de7224f3c6927cd935a26755d7c0a6b3b453b706d67267261475adb0281a99ee97458e9691e70ea2ca8abd3d66b77dc649

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-651894405.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1072
    • 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:1996
      • C:\COsuv\Wegerb\szvMhegn.exe
        C:\COsuv\Wegerb\szvMhegn.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:920
      • C:\Users\Admin\AppData\Roaming\Microsoft\Ixnnau\sfexme.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Ixnnau\sfexme.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1368
        • C:\Users\Admin\AppData\Roaming\Microsoft\Ixnnau\sfexme.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Ixnnau\sfexme.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1404
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:536
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn vaydcbtu /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I vaydcbtu" /SC ONCE /Z /ST 23:12 /ET 23:24
        3⤵
        • Creates scheduled task(s)
        PID:308
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {D39B8C91-3764-40EB-B009-49DFAEE2DBD1} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1816
    • C:\COsuv\Wegerb\szvMhegn.exe
      C:\COsuv\Wegerb\szvMhegn.exe /I vaydcbtu
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1544

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/920-15-0x00000000025C0000-0x00000000025D1000-memory.dmp

    Filesize

    68KB

  • memory/1072-11-0x0000000004D50000-0x0000000004D54000-memory.dmp

    Filesize

    16KB

  • memory/1072-7-0x0000000002EC0000-0x0000000002EC1000-memory.dmp

    Filesize

    4KB

  • memory/1072-6-0x0000000006160000-0x0000000006164000-memory.dmp

    Filesize

    16KB

  • memory/1072-5-0x0000000007160000-0x0000000007164000-memory.dmp

    Filesize

    16KB

  • memory/1260-2-0x000007FEF7E40000-0x000007FEF80BA000-memory.dmp

    Filesize

    2.5MB

  • memory/1368-25-0x00000000003B0000-0x00000000003E7000-memory.dmp

    Filesize

    220KB

  • memory/1404-24-0x0000000002580000-0x0000000002591000-memory.dmp

    Filesize

    68KB