Analysis

  • max time kernel
    88s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    20/10/2020, 22:23

General

  • Target

    doc_pack-332132846.xls

  • Size

    62KB

  • MD5

    a08fd742bd589a22f1f956943a6dc3e5

  • SHA1

    0e8ef2c2ea0b5886a21a8d4179545d0d26b96ea6

  • SHA256

    7f7c3c5e028911860223869b8d579191f24b2a5a915eaaeacb5cefc8e2e38ae9

  • SHA512

    700e5aa2e539cd6c46216268094db29fa5353b7316d9616f642049d771005bb84455154e7c13ff84abfc0928a2b869baeb91c07bd56ccdc7a53d0c645b949c29

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-332132846.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1424
    • 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:1892
      • C:\COsuv\Wegerb\szvMhegn.exe
        C:\COsuv\Wegerb\szvMhegn.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:1672
      • C:\Users\Admin\AppData\Roaming\Microsoft\Yypnibku\txyuiyu.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Yypnibku\txyuiyu.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1016
        • C:\Users\Admin\AppData\Roaming\Microsoft\Yypnibku\txyuiyu.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Yypnibku\txyuiyu.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1252
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1040
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn uxjsnqoc /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I uxjsnqoc" /SC ONCE /Z /ST 22:34 /ET 22:46
        3⤵
        • Creates scheduled task(s)
        PID:676
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {3488F839-2AFC-4B41-B05A-3419BF055CFF} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1452
    • C:\COsuv\Wegerb\szvMhegn.exe
      C:\COsuv\Wegerb\szvMhegn.exe /I uxjsnqoc
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1140

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1016-26-0x0000000000550000-0x0000000000587000-memory.dmp

    Filesize

    220KB

  • memory/1252-25-0x0000000002430000-0x0000000002441000-memory.dmp

    Filesize

    68KB

  • memory/1424-11-0x0000000004D10000-0x0000000004D14000-memory.dmp

    Filesize

    16KB

  • memory/1424-6-0x0000000006090000-0x0000000006094000-memory.dmp

    Filesize

    16KB

  • memory/1424-7-0x0000000002EB0000-0x0000000002EB1000-memory.dmp

    Filesize

    4KB

  • memory/1424-5-0x0000000007090000-0x0000000007094000-memory.dmp

    Filesize

    16KB

  • memory/1672-15-0x0000000002540000-0x0000000002551000-memory.dmp

    Filesize

    68KB

  • memory/1768-2-0x000007FEF80C0000-0x000007FEF833A000-memory.dmp

    Filesize

    2.5MB