Analysis

  • max time kernel
    110s
  • max time network
    10s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    20/10/2020, 22:25

General

  • Target

    doc_pack-337889751.xls

  • Size

    62KB

  • MD5

    e3e76f277ba97aa1d353eebfeef2cf26

  • SHA1

    2b450f30396f4a85dedb65b39637697c1a1956c7

  • SHA256

    d5b4d040dc953063157e27475f76cee9995f3baf362146531bbcc95ef4a68cfa

  • SHA512

    0e5f077ef4dc4586211b7f457e17eeef9f6ef067b65b1a2c93430270f97bf3933a76af479022c6c898edb7aceb4b89543c721bc106f548407cb587bc272a7d10

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-337889751.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1204
    • 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:1928
      • C:\COsuv\Wegerb\szvMhegn.exe
        C:\COsuv\Wegerb\szvMhegn.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:436
      • C:\Users\Admin\AppData\Roaming\Microsoft\Rgftbfemy\ezzcceeu.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Rgftbfemy\ezzcceeu.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:788
        • C:\Users\Admin\AppData\Roaming\Microsoft\Rgftbfemy\ezzcceeu.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Rgftbfemy\ezzcceeu.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1396
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:528
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn fuaxcfwg /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I fuaxcfwg" /SC ONCE /Z /ST 22:31 /ET 22:43
        3⤵
        • Creates scheduled task(s)
        PID:580
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {AB51554D-6F39-4C53-96A2-57F19BF9A76D} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1484
    • C:\COsuv\Wegerb\szvMhegn.exe
      C:\COsuv\Wegerb\szvMhegn.exe /I fuaxcfwg
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1932

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/436-15-0x0000000002550000-0x0000000002561000-memory.dmp

    Filesize

    68KB

  • memory/788-25-0x0000000000550000-0x0000000000587000-memory.dmp

    Filesize

    220KB

  • memory/1204-7-0x00000000024F0000-0x00000000024F1000-memory.dmp

    Filesize

    4KB

  • memory/1204-11-0x0000000004D80000-0x0000000004D84000-memory.dmp

    Filesize

    16KB

  • memory/1204-0-0x000000000051D000-0x0000000000521000-memory.dmp

    Filesize

    16KB

  • memory/1204-6-0x0000000005FA0000-0x0000000005FA4000-memory.dmp

    Filesize

    16KB

  • memory/1204-5-0x0000000004C00000-0x0000000004C04000-memory.dmp

    Filesize

    16KB

  • memory/1396-24-0x0000000002500000-0x0000000002511000-memory.dmp

    Filesize

    68KB

  • memory/1792-2-0x000007FEF6980000-0x000007FEF6BFA000-memory.dmp

    Filesize

    2.5MB