Resubmissions

13-01-2022 09:19

220113-laarlahafl 10

11-01-2022 07:00

220111-hszlwsfae5 10

04-01-2022 11:08

220104-m8skqsagcq 10

Analysis

  • max time kernel
    1800s
  • max time network
    1800s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    13-01-2022 09:19

General

  • Target

    d302a473d8f19884d38147d13ce87f54b897dad51fdc6490467bca62cc7ae937.exe.dll

  • Size

    945KB

  • MD5

    bb17bf13123596ba3065efc74d625a3c

  • SHA1

    b589b0dee84e30e205f242a8d429b1e231b5ec5b

  • SHA256

    d302a473d8f19884d38147d13ce87f54b897dad51fdc6490467bca62cc7ae937

  • SHA512

    40d6bb5bb741b43a03969c40acafbc621281ad9f4fa23d3a90f07e30b01eda95227af6b96a20d48712f08b2252069e711842d71d3f1e95374db44fb7845ab427

Malware Config

Extracted

Family

qakbot

Version

403.10

Botnet

cullinan

Campaign

1639333530

C2

65.100.174.110:443

173.21.10.71:2222

140.82.49.12:443

190.73.3.148:2222

76.25.142.196:443

71.74.12.34:443

31.215.98.160:443

93.48.80.198:995

45.9.20.200:2211

41.228.22.180:443

109.12.111.14:443

63.143.92.99:995

120.150.218.241:995

94.60.254.81:443

86.148.6.51:443

218.101.110.3:995

216.238.71.31:443

207.246.112.221:443

216.238.72.121:443

216.238.71.31:995

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
  • Drops file in System32 directory 6 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 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of WriteProcessMemory 55 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\d302a473d8f19884d38147d13ce87f54b897dad51fdc6490467bca62cc7ae937.exe.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:836
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\d302a473d8f19884d38147d13ce87f54b897dad51fdc6490467bca62cc7ae937.exe.dll
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1284
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:516
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn wfeabhiobd /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\d302a473d8f19884d38147d13ce87f54b897dad51fdc6490467bca62cc7ae937.exe.dll\"" /SC ONCE /Z /ST 10:21 /ET 10:33
          4⤵
          • Creates scheduled task(s)
          PID:560
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {CCB268A1-D7A3-46CB-AFE2-5B1DF52AFCFF} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1100
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\d302a473d8f19884d38147d13ce87f54b897dad51fdc6490467bca62cc7ae937.exe.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:732
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\d302a473d8f19884d38147d13ce87f54b897dad51fdc6490467bca62cc7ae937.exe.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1744
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Drops file in System32 directory
          • Modifies data under HKEY_USERS
          • Suspicious use of WriteProcessMemory
          PID:1048
          • 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\Peasyh" /d "0"
            5⤵
              PID:1748
            • 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\Eazjjvwehs" /d "0"
              5⤵
                PID:1760
      • C:\Windows\system32\taskeng.exe
        taskeng.exe {DE4575C0-EC64-4C23-B0E5-2161E674596E} S-1-5-18:NT AUTHORITY\System:Service:
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:776
        • C:\Windows\system32\regsvr32.exe
          regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\d302a473d8f19884d38147d13ce87f54b897dad51fdc6490467bca62cc7ae937.exe.dll"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1952
          • C:\Windows\SysWOW64\regsvr32.exe
            -s "C:\Users\Admin\AppData\Local\Temp\d302a473d8f19884d38147d13ce87f54b897dad51fdc6490467bca62cc7ae937.exe.dll"
            3⤵
              PID:1156

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Execution

        Scheduled Task

        1
        T1053

        Persistence

        Scheduled Task

        1
        T1053

        Privilege Escalation

        Scheduled Task

        1
        T1053

        Defense Evasion

        Disabling Security Tools

        1
        T1089

        Modify Registry

        1
        T1112

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\d302a473d8f19884d38147d13ce87f54b897dad51fdc6490467bca62cc7ae937.exe.dll
          MD5

          bb17bf13123596ba3065efc74d625a3c

          SHA1

          b589b0dee84e30e205f242a8d429b1e231b5ec5b

          SHA256

          d302a473d8f19884d38147d13ce87f54b897dad51fdc6490467bca62cc7ae937

          SHA512

          40d6bb5bb741b43a03969c40acafbc621281ad9f4fa23d3a90f07e30b01eda95227af6b96a20d48712f08b2252069e711842d71d3f1e95374db44fb7845ab427

        • C:\Users\Admin\AppData\Local\Temp\d302a473d8f19884d38147d13ce87f54b897dad51fdc6490467bca62cc7ae937.exe.dll
          MD5

          f58a6fb126ea3c17a02fc8e8f453e859

          SHA1

          467f934d6a2306f193078aef9a8fc915d36a9f83

          SHA256

          413ad2a405327006a8e7cea99b48ed26d6880482f53124b894ae21d24e05a245

          SHA512

          1af40b449dd1e3f9b0f3833df9bf8f0e7494d11493ac3ed3911eace75d3009e4fdede9b4fecf078e8e59ba48cb1d3338d73bfba4234e874f9d627566a3db5754

        • \Users\Admin\AppData\Local\Temp\d302a473d8f19884d38147d13ce87f54b897dad51fdc6490467bca62cc7ae937.exe.dll
          MD5

          bb17bf13123596ba3065efc74d625a3c

          SHA1

          b589b0dee84e30e205f242a8d429b1e231b5ec5b

          SHA256

          d302a473d8f19884d38147d13ce87f54b897dad51fdc6490467bca62cc7ae937

          SHA512

          40d6bb5bb741b43a03969c40acafbc621281ad9f4fa23d3a90f07e30b01eda95227af6b96a20d48712f08b2252069e711842d71d3f1e95374db44fb7845ab427

        • memory/516-65-0x0000000000080000-0x00000000000A1000-memory.dmp
          Filesize

          132KB

        • memory/516-60-0x00000000000B0000-0x00000000000B2000-memory.dmp
          Filesize

          8KB

        • memory/516-61-0x0000000000000000-mapping.dmp
        • memory/516-63-0x0000000074561000-0x0000000074563000-memory.dmp
          Filesize

          8KB

        • memory/560-64-0x0000000000000000-mapping.dmp
        • memory/732-66-0x0000000000000000-mapping.dmp
        • memory/836-55-0x000007FEFBD21000-0x000007FEFBD23000-memory.dmp
          Filesize

          8KB

        • memory/1048-73-0x0000000000000000-mapping.dmp
        • memory/1048-78-0x0000000000080000-0x00000000000A1000-memory.dmp
          Filesize

          132KB

        • memory/1156-82-0x0000000000000000-mapping.dmp
        • memory/1284-58-0x0000000000360000-0x0000000000361000-memory.dmp
          Filesize

          4KB

        • memory/1284-59-0x0000000010000000-0x00000000100F5000-memory.dmp
          Filesize

          980KB

        • memory/1284-57-0x0000000075F91000-0x0000000075F93000-memory.dmp
          Filesize

          8KB

        • memory/1284-56-0x0000000000000000-mapping.dmp
        • memory/1744-69-0x0000000000000000-mapping.dmp
        • memory/1748-76-0x0000000000000000-mapping.dmp
        • memory/1760-77-0x0000000000000000-mapping.dmp
        • memory/1952-79-0x0000000000000000-mapping.dmp