Analysis

  • max time kernel
    143s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    07-11-2021 08:01

General

  • Target

    b4abdad039b0eea9b5dae6f28c9945cb18d3603282866fb15c37697d14fff529.dll

  • Size

    1.6MB

  • MD5

    4f7a4448b2e7d0618b86ee1eb62469e9

  • SHA1

    c5854232e23a72caa5a719dfb1badb58a98cac3a

  • SHA256

    b4abdad039b0eea9b5dae6f28c9945cb18d3603282866fb15c37697d14fff529

  • SHA512

    40ca8de592e8cb4ff50e3fd5a82dc1a6695cc137efee27883e20f560dd47ed0b59c2fdb7a5c6fe71f94088abce3c69760b17bba9f480aa3b5fac44bdba6d49fc

Malware Config

Extracted

Family

qakbot

Version

402.363

Botnet

tr

Campaign

1634541613

C2

120.150.218.241:995

24.119.214.7:443

103.143.8.71:443

81.241.252.59:2078

81.250.153.227:2222

174.54.193.186:443

73.52.50.32:443

39.49.122.240:995

86.220.112.26:2222

103.82.211.39:465

78.191.38.33:995

216.201.162.158:443

181.118.183.94:443

66.177.215.152:0

208.78.220.143:443

94.200.181.154:443

136.232.34.70:443

136.143.11.232:443

81.213.59.22:443

103.82.211.39:990

Attributes
  • salt

    jHxastDcds)oMc=jvh7wdUhxcsdt2

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Windows security bypass 2 TTPs
  • 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.

  • Modifies data under HKEY_USERS 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b4abdad039b0eea9b5dae6f28c9945cb18d3603282866fb15c37697d14fff529.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1096
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b4abdad039b0eea9b5dae6f28c9945cb18d3603282866fb15c37697d14fff529.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:552
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:572
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn rrghbqaah /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\b4abdad039b0eea9b5dae6f28c9945cb18d3603282866fb15c37697d14fff529.dll\"" /SC ONCE /Z /ST 09:07 /ET 09:19
          4⤵
          • Creates scheduled task(s)
          PID:1908
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {74FCE60B-A4BB-4B3B-B95C-354A6B1CEBC8} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:592
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\b4abdad039b0eea9b5dae6f28c9945cb18d3603282866fb15c37697d14fff529.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1336
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\b4abdad039b0eea9b5dae6f28c9945cb18d3603282866fb15c37697d14fff529.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1384
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Modifies data under HKEY_USERS
          • Suspicious use of WriteProcessMemory
          PID:1316
          • C:\Windows\system32\reg.exe
            C:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /f /t REG_DWORD /v "C:\ProgramData\Microsoft\Bpuwdix" /d "0"
            5⤵
              PID:1836
            • C:\Windows\system32\reg.exe
              C:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /f /t REG_DWORD /v "C:\Users\Admin\AppData\Roaming\Microsoft\Yitvpqn" /d "0"
              5⤵
                PID:1268

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\b4abdad039b0eea9b5dae6f28c9945cb18d3603282866fb15c37697d14fff529.dll
        MD5

        4f7a4448b2e7d0618b86ee1eb62469e9

        SHA1

        c5854232e23a72caa5a719dfb1badb58a98cac3a

        SHA256

        b4abdad039b0eea9b5dae6f28c9945cb18d3603282866fb15c37697d14fff529

        SHA512

        40ca8de592e8cb4ff50e3fd5a82dc1a6695cc137efee27883e20f560dd47ed0b59c2fdb7a5c6fe71f94088abce3c69760b17bba9f480aa3b5fac44bdba6d49fc

      • \Users\Admin\AppData\Local\Temp\b4abdad039b0eea9b5dae6f28c9945cb18d3603282866fb15c37697d14fff529.dll
        MD5

        4f7a4448b2e7d0618b86ee1eb62469e9

        SHA1

        c5854232e23a72caa5a719dfb1badb58a98cac3a

        SHA256

        b4abdad039b0eea9b5dae6f28c9945cb18d3603282866fb15c37697d14fff529

        SHA512

        40ca8de592e8cb4ff50e3fd5a82dc1a6695cc137efee27883e20f560dd47ed0b59c2fdb7a5c6fe71f94088abce3c69760b17bba9f480aa3b5fac44bdba6d49fc

      • memory/552-55-0x0000000000000000-mapping.dmp
      • memory/552-56-0x0000000076431000-0x0000000076433000-memory.dmp
        Filesize

        8KB

      • memory/552-57-0x0000000074660000-0x000000007480B000-memory.dmp
        Filesize

        1.7MB

      • memory/552-58-0x0000000000170000-0x0000000000171000-memory.dmp
        Filesize

        4KB

      • memory/552-59-0x0000000074660000-0x0000000074681000-memory.dmp
        Filesize

        132KB

      • memory/552-60-0x0000000074660000-0x000000007480B000-memory.dmp
        Filesize

        1.7MB

      • memory/572-61-0x00000000000B0000-0x00000000000B2000-memory.dmp
        Filesize

        8KB

      • memory/572-66-0x0000000000080000-0x00000000000A1000-memory.dmp
        Filesize

        132KB

      • memory/572-64-0x0000000074851000-0x0000000074853000-memory.dmp
        Filesize

        8KB

      • memory/572-62-0x0000000000000000-mapping.dmp
      • memory/1268-83-0x0000000000000000-mapping.dmp
      • memory/1316-81-0x00000000000E0000-0x0000000000101000-memory.dmp
        Filesize

        132KB

      • memory/1316-78-0x0000000000000000-mapping.dmp
      • memory/1336-68-0x000007FEFBB21000-0x000007FEFBB23000-memory.dmp
        Filesize

        8KB

      • memory/1336-67-0x0000000000000000-mapping.dmp
      • memory/1384-73-0x0000000073F10000-0x00000000740BB000-memory.dmp
        Filesize

        1.7MB

      • memory/1384-75-0x0000000073F10000-0x00000000740BB000-memory.dmp
        Filesize

        1.7MB

      • memory/1384-74-0x0000000073F10000-0x0000000073F31000-memory.dmp
        Filesize

        132KB

      • memory/1384-76-0x0000000000170000-0x0000000000171000-memory.dmp
        Filesize

        4KB

      • memory/1384-70-0x0000000000000000-mapping.dmp
      • memory/1836-82-0x0000000000000000-mapping.dmp
      • memory/1908-65-0x0000000000000000-mapping.dmp