Analysis

  • max time kernel
    128s
  • max time network
    12s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    28-04-2021 23:32

General

  • Target

    file.dll

  • Size

    407KB

  • MD5

    d429130fd40227b1d5eb79ecde97490c

  • SHA1

    efb9d2f801cb2c4dda7c04869c79986e09c7d41c

  • SHA256

    ded5607f51fcecac93f3e516dc081d24249c5daddb4a5c57e835c8d01644a08e

  • SHA512

    b2bbcf76c10fb871a063698bcaab6b5c53b44d2afb918bc17465743ae0753dba40fe4f6f72f74367ccef01fee0e321b6c711bef5acb448de41b93448bad8698d

Malware Config

Extracted

Family

qakbot

Version

401.138

Botnet

obama05

Campaign

1613729859

C2

86.160.137.132:443

172.87.157.235:3389

106.51.85.162:443

108.31.15.10:995

38.92.225.121:443

173.184.119.153:995

81.150.181.168:2222

71.187.170.235:443

188.25.63.105:443

71.117.132.169:443

193.248.221.184:2222

85.52.72.32:2222

87.202.87.210:2222

78.185.59.190:443

2.7.116.188:2222

81.97.154.100:443

24.50.118.93:443

98.121.187.78:443

108.29.32.251:443

24.152.219.253:995

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Loads dropped DLL 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\file.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1420
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\file.dll
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1208
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1704
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn fyixczwnzz /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\file.dll\"" /SC ONCE /Z /ST 01:17 /ET 01:29
          4⤵
          • Creates scheduled task(s)
          PID:1688
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {9655E0E2-3E1E-4A49-8978-B420ACF516FD} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1496
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1924
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
        3⤵
        • Loads dropped DLL
        PID:868

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\file.dll
    MD5

    ae52f4b3af5039b932d637ee0392b3a6

    SHA1

    1412c6bdefe9ae7e818b2a211a96a87280eb853d

    SHA256

    198c04e65132ca6011f02134bef4050eb63408145eb513e7169b7d6a597a7658

    SHA512

    7751997969d003f2f2d2e6e2a9e25e3598cd73682542d9d7f7eba19ba1205e6366f80bb5e206744d0ada978ce74df4ca386c26a67867c4d83794e24734e77d75

  • \Users\Admin\AppData\Local\Temp\file.dll
    MD5

    ae52f4b3af5039b932d637ee0392b3a6

    SHA1

    1412c6bdefe9ae7e818b2a211a96a87280eb853d

    SHA256

    198c04e65132ca6011f02134bef4050eb63408145eb513e7169b7d6a597a7658

    SHA512

    7751997969d003f2f2d2e6e2a9e25e3598cd73682542d9d7f7eba19ba1205e6366f80bb5e206744d0ada978ce74df4ca386c26a67867c4d83794e24734e77d75

  • memory/868-73-0x0000000000000000-mapping.dmp
  • memory/1208-61-0x0000000000000000-mapping.dmp
  • memory/1208-62-0x0000000074FB1000-0x0000000074FB3000-memory.dmp
    Filesize

    8KB

  • memory/1208-63-0x00000000001E0000-0x0000000000260000-memory.dmp
    Filesize

    512KB

  • memory/1208-64-0x0000000010000000-0x0000000010067000-memory.dmp
    Filesize

    412KB

  • memory/1420-60-0x000007FEFB741000-0x000007FEFB743000-memory.dmp
    Filesize

    8KB

  • memory/1688-68-0x0000000000000000-mapping.dmp
  • memory/1704-67-0x0000000073F61000-0x0000000073F63000-memory.dmp
    Filesize

    8KB

  • memory/1704-69-0x00000000000C0000-0x00000000000F5000-memory.dmp
    Filesize

    212KB

  • memory/1704-65-0x0000000000000000-mapping.dmp
  • memory/1924-70-0x0000000000000000-mapping.dmp