Analysis

  • max time kernel
    142s
  • max time network
    144s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • 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
  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • 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 18 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\file.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3656
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\file.dll
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:500
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3832
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn fsreaqs /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:768
  • \??\c:\windows\system32\regsvr32.exe
    regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3348
    • C:\Windows\SysWOW64\regsvr32.exe
      -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
      2⤵
      • Loads dropped DLL
      PID:3812
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3812 -s 596
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3728

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/500-114-0x0000000000000000-mapping.dmp

  • memory/500-115-0x00000000050C0000-0x0000000005127000-memory.dmp

    Filesize

    412KB

  • memory/500-116-0x0000000010000000-0x0000000010067000-memory.dmp

    Filesize

    412KB

  • memory/768-118-0x0000000000000000-mapping.dmp

  • memory/3812-123-0x0000000000000000-mapping.dmp

  • memory/3832-117-0x0000000000000000-mapping.dmp

  • memory/3832-121-0x00000000030A0000-0x00000000030D5000-memory.dmp

    Filesize

    212KB