Analysis

  • max time kernel
    126s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    20/10/2020, 22:28

General

  • Target

    doc_pack-391820804.xls

  • Size

    62KB

  • MD5

    c2b8063cbf8d061cc0ab79136fdd415d

  • SHA1

    a1a3e59448f92df4ac1aeee2aa1cb570041e1c02

  • SHA256

    de192aff8b387f063c69f087e691d88e834d36e413c96d478edd31e10f573e3e

  • SHA512

    b5a31bfba4c4233714fa7eeb0f2f86cadc2da7ebcd9f99699cd4200493308bc63c4b8a042131c3bbab43d6bf467683c3386a9e6e4b1bd00a509148c07943ebbf

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-391820804.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1108
    • 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:1984
      • C:\Users\Admin\AppData\Roaming\Microsoft\Gazbsct\wssrhcss.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Gazbsct\wssrhcss.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:828
        • C:\Users\Admin\AppData\Roaming\Microsoft\Gazbsct\wssrhcss.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Gazbsct\wssrhcss.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:972
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1156
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn tajcufn /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I tajcufn" /SC ONCE /Z /ST 00:41 /ET 00:53
        3⤵
        • Creates scheduled task(s)
        PID:424
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {8B335E9C-0E79-4FED-8702-A305AB8ED3DC} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1092
    • C:\COsuv\Wegerb\szvMhegn.exe
      C:\COsuv\Wegerb\szvMhegn.exe /I tajcufn
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1496

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/828-22-0x00000000003B0000-0x00000000003E7000-memory.dmp

    Filesize

    220KB

  • memory/972-21-0x0000000002630000-0x0000000002641000-memory.dmp

    Filesize

    68KB

  • memory/1108-8-0x0000000004E80000-0x0000000004E84000-memory.dmp

    Filesize

    16KB

  • memory/1108-5-0x0000000005E80000-0x0000000005E84000-memory.dmp

    Filesize

    16KB

  • memory/1108-4-0x0000000006E80000-0x0000000006E84000-memory.dmp

    Filesize

    16KB

  • memory/1804-1-0x000007FEF7770000-0x000007FEF79EA000-memory.dmp

    Filesize

    2.5MB

  • memory/1984-12-0x0000000002470000-0x0000000002481000-memory.dmp

    Filesize

    68KB