Resubmissions

01-11-2021 12:31

211101-pp5r3ahha4 10

31-10-2021 09:03

211031-k1bwxacfaq 10

14-10-2021 01:44

211014-b6aflafeg4 10

Analysis

  • max time kernel
    3831s
  • max time network
    3839s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    31-10-2021 09:03

General

  • Target

    a34cb4049eb43d455d8619607cc6e1a8c380e9d8507306e9c5bc17eaed6459c4.dll

  • Size

    833KB

  • MD5

    5f00035c9fb5b740abaee795979b82ed

  • SHA1

    6c980a4d7cc1461645acd4c763a86b9c4e896707

  • SHA256

    a34cb4049eb43d455d8619607cc6e1a8c380e9d8507306e9c5bc17eaed6459c4

  • SHA512

    92f917f67ae59140909c9e6f42821c6b6396ad10e8a51b3bdfcdb86051d0967c95fe5886ae67be6cfbeef970ea8a75e6ec3f5aa56661334e6de843ed353dd46f

Malware Config

Extracted

Family

qakbot

Version

402.363

Botnet

tr

Campaign

1633597626

C2

120.150.218.241:995

185.250.148.74:443

89.137.52.44:443

66.103.170.104:2222

86.8.177.143:443

216.201.162.158:443

174.54.193.186:443

103.148.120.144:443

188.50.169.158:443

124.123.42.115:2222

140.82.49.12:443

199.27.127.129:443

81.241.252.59:2078

209.142.97.161:995

209.50.20.255:443

73.230.205.91:443

200.232.214.222:995

103.142.10.177:443

2.222.167.138:443

41.228.22.180:443

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 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 6 IoCs
  • Creates scheduled task(s) 1 TTPs 3 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 8 IoCs
  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious use of WriteProcessMemory 54 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\a34cb4049eb43d455d8619607cc6e1a8c380e9d8507306e9c5bc17eaed6459c4.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2892
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\a34cb4049eb43d455d8619607cc6e1a8c380e9d8507306e9c5bc17eaed6459c4.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:3828
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:892
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn zdebjizaw /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\a34cb4049eb43d455d8619607cc6e1a8c380e9d8507306e9c5bc17eaed6459c4.dll\"" /SC ONCE /Z /ST 02:05 /ET 02:17
          4⤵
          • Creates scheduled task(s)
          PID:1144
        • C:\Windows\SysWOW64\regsvr32.exe
          regsvr32.exe -s "C:\Users\Admin\AppData\Roaming\Microsoft\Qxejgzftttyl\gpyboptheqas.dll"
          4⤵
          • Loads dropped DLL
          PID:1484
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:3732
            • C:\Windows\SysWOW64\schtasks.exe
              "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn mfesgrwbu /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Roaming\Microsoft\Qxejgzftttyl\gpyboptheqas.dll\"" /SC ONCE /Z /ST 10:07 /ET 10:19
              6⤵
              • Creates scheduled task(s)
              PID:948
  • \??\c:\windows\system32\regsvr32.exe
    regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\a34cb4049eb43d455d8619607cc6e1a8c380e9d8507306e9c5bc17eaed6459c4.dll"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1992
    • C:\Windows\SysWOW64\regsvr32.exe
      -s "C:\Users\Admin\AppData\Local\Temp\a34cb4049eb43d455d8619607cc6e1a8c380e9d8507306e9c5bc17eaed6459c4.dll"
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1512
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Drops file in System32 directory
        • Modifies data under HKEY_USERS
        • Suspicious use of WriteProcessMemory
        PID:1796
        • 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\Uotnuabg" /d "0"
          4⤵
            PID:1784
          • 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\Qxejgzftttyl" /d "0"
            4⤵
              PID:2012
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks.exe /Create /RU "NT AUTHORITY\SYSTEM" /SC ONSTART /TN 2415919104 /TR "regsvr32.exe -s "C:\ProgramData\Microsoft\Uotnuabg\xfylwslksvzslla.dll"" /NP /F
              4⤵
              • Creates scheduled task(s)
              PID:3236
            • C:\Windows\SysWOW64\regsvr32.exe
              regsvr32.exe -s "C:\ProgramData\Microsoft\Uotnuabg\xfylwslksvzslla.dll"
              4⤵
              • Loads dropped DLL
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious behavior: MapViewOfSection
              • Suspicious use of WriteProcessMemory
              PID:2276
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                5⤵
                • Modifies data under HKEY_USERS
                • Suspicious use of WriteProcessMemory
                PID:3792
                • C:\Windows\SysWOW64\schtasks.exe
                  schtasks.exe /Delete /F /TN 2415919104
                  6⤵
                    PID:1212
        • \??\c:\windows\system32\regsvr32.exe
          regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\a34cb4049eb43d455d8619607cc6e1a8c380e9d8507306e9c5bc17eaed6459c4.dll"
          1⤵
          • Suspicious use of WriteProcessMemory
          PID:3656
          • C:\Windows\SysWOW64\regsvr32.exe
            -s "C:\Users\Admin\AppData\Local\Temp\a34cb4049eb43d455d8619607cc6e1a8c380e9d8507306e9c5bc17eaed6459c4.dll"
            2⤵
              PID:3232
          • \??\c:\windows\system32\regsvr32.exe
            regsvr32.exe -s "C:\Users\Admin\AppData\Roaming\Microsoft\Qxejgzftttyl\gpyboptheqas.dll"
            1⤵
            • Suspicious use of WriteProcessMemory
            PID:1708
            • C:\Windows\SysWOW64\regsvr32.exe
              -s "C:\Users\Admin\AppData\Roaming\Microsoft\Qxejgzftttyl\gpyboptheqas.dll"
              2⤵
              • Loads dropped DLL
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious behavior: MapViewOfSection
              • Suspicious use of WriteProcessMemory
              PID:3652
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                3⤵
                  PID:1952

            Network

            MITRE ATT&CK Matrix ATT&CK v6

            Execution

            Scheduled Task

            1
            T1053

            Persistence

            Registry Run Keys / Startup Folder

            1
            T1060

            Scheduled Task

            1
            T1053

            Privilege Escalation

            Scheduled Task

            1
            T1053

            Defense Evasion

            Disabling Security Tools

            1
            T1089

            Modify Registry

            2
            T1112

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\ProgramData\Microsoft\Uotnuabg\xfylwslksvzslla.dll
              MD5

              5f00035c9fb5b740abaee795979b82ed

              SHA1

              6c980a4d7cc1461645acd4c763a86b9c4e896707

              SHA256

              a34cb4049eb43d455d8619607cc6e1a8c380e9d8507306e9c5bc17eaed6459c4

              SHA512

              92f917f67ae59140909c9e6f42821c6b6396ad10e8a51b3bdfcdb86051d0967c95fe5886ae67be6cfbeef970ea8a75e6ec3f5aa56661334e6de843ed353dd46f

            • C:\Users\Admin\AppData\Local\Temp\a34cb4049eb43d455d8619607cc6e1a8c380e9d8507306e9c5bc17eaed6459c4.dll
              MD5

              5f00035c9fb5b740abaee795979b82ed

              SHA1

              6c980a4d7cc1461645acd4c763a86b9c4e896707

              SHA256

              a34cb4049eb43d455d8619607cc6e1a8c380e9d8507306e9c5bc17eaed6459c4

              SHA512

              92f917f67ae59140909c9e6f42821c6b6396ad10e8a51b3bdfcdb86051d0967c95fe5886ae67be6cfbeef970ea8a75e6ec3f5aa56661334e6de843ed353dd46f

            • C:\Users\Admin\AppData\Local\Temp\a34cb4049eb43d455d8619607cc6e1a8c380e9d8507306e9c5bc17eaed6459c4.dll
              MD5

              6ebeb38673e450f52b193ee9869eab57

              SHA1

              a254c9b349cdc83b5db8a6e32b90e65c27595043

              SHA256

              9b85041efff94d82356a34560c828af70565dad52037301dd7f7a1f93fc81e72

              SHA512

              9c918ab9e6373d6a5ac7530c42571af492b01c30fffde476eb6b5292fc93f301f8216d7a8b6b61f1cb6d01f4ef4f24256346c95d3499605d18266fb206cffe46

            • C:\Users\Admin\AppData\Roaming\Microsoft\Qxejgzftttyl\gpyboptheqas.dll
              MD5

              1e7e16b8cb7b27f07b632bbc0e367e5c

              SHA1

              913ddc9d687a121257cfd2216d2da0307771d57d

              SHA256

              190fcacda3bb2e1272b864aca0ff5a34f8c66540db9f088ef3038e053e6d2805

              SHA512

              c61ceef8d258ed96571a474150f244029ca0b105df16e56e209e24382ca8b997c6afae5a698d587e8b08ce49006f8af73e19329535a8baeb6ddda2c24457a3ed

            • C:\Users\Admin\AppData\Roaming\Microsoft\Qxejgzftttyl\gpyboptheqas.dll
              MD5

              5f00035c9fb5b740abaee795979b82ed

              SHA1

              6c980a4d7cc1461645acd4c763a86b9c4e896707

              SHA256

              a34cb4049eb43d455d8619607cc6e1a8c380e9d8507306e9c5bc17eaed6459c4

              SHA512

              92f917f67ae59140909c9e6f42821c6b6396ad10e8a51b3bdfcdb86051d0967c95fe5886ae67be6cfbeef970ea8a75e6ec3f5aa56661334e6de843ed353dd46f

            • \??\PIPE\wkssvc
              MD5

              d41d8cd98f00b204e9800998ecf8427e

              SHA1

              da39a3ee5e6b4b0d3255bfef95601890afd80709

              SHA256

              e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

              SHA512

              cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

            • \??\PIPE\wkssvc
              MD5

              d41d8cd98f00b204e9800998ecf8427e

              SHA1

              da39a3ee5e6b4b0d3255bfef95601890afd80709

              SHA256

              e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

              SHA512

              cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

            • \ProgramData\Microsoft\Uotnuabg\xfylwslksvzslla.dll
              MD5

              5f00035c9fb5b740abaee795979b82ed

              SHA1

              6c980a4d7cc1461645acd4c763a86b9c4e896707

              SHA256

              a34cb4049eb43d455d8619607cc6e1a8c380e9d8507306e9c5bc17eaed6459c4

              SHA512

              92f917f67ae59140909c9e6f42821c6b6396ad10e8a51b3bdfcdb86051d0967c95fe5886ae67be6cfbeef970ea8a75e6ec3f5aa56661334e6de843ed353dd46f

            • \Users\Admin\AppData\Local\Temp\a34cb4049eb43d455d8619607cc6e1a8c380e9d8507306e9c5bc17eaed6459c4.dll
              MD5

              5f00035c9fb5b740abaee795979b82ed

              SHA1

              6c980a4d7cc1461645acd4c763a86b9c4e896707

              SHA256

              a34cb4049eb43d455d8619607cc6e1a8c380e9d8507306e9c5bc17eaed6459c4

              SHA512

              92f917f67ae59140909c9e6f42821c6b6396ad10e8a51b3bdfcdb86051d0967c95fe5886ae67be6cfbeef970ea8a75e6ec3f5aa56661334e6de843ed353dd46f

            • \Users\Admin\AppData\Roaming\Microsoft\Qxejgzftttyl\gpyboptheqas.dll
              MD5

              5f00035c9fb5b740abaee795979b82ed

              SHA1

              6c980a4d7cc1461645acd4c763a86b9c4e896707

              SHA256

              a34cb4049eb43d455d8619607cc6e1a8c380e9d8507306e9c5bc17eaed6459c4

              SHA512

              92f917f67ae59140909c9e6f42821c6b6396ad10e8a51b3bdfcdb86051d0967c95fe5886ae67be6cfbeef970ea8a75e6ec3f5aa56661334e6de843ed353dd46f

            • \Users\Admin\AppData\Roaming\Microsoft\Qxejgzftttyl\gpyboptheqas.dll
              MD5

              5f00035c9fb5b740abaee795979b82ed

              SHA1

              6c980a4d7cc1461645acd4c763a86b9c4e896707

              SHA256

              a34cb4049eb43d455d8619607cc6e1a8c380e9d8507306e9c5bc17eaed6459c4

              SHA512

              92f917f67ae59140909c9e6f42821c6b6396ad10e8a51b3bdfcdb86051d0967c95fe5886ae67be6cfbeef970ea8a75e6ec3f5aa56661334e6de843ed353dd46f

            • memory/892-124-0x0000000000A60000-0x0000000000A61000-memory.dmp
              Filesize

              4KB

            • memory/892-123-0x0000000000A60000-0x0000000000A61000-memory.dmp
              Filesize

              4KB

            • memory/892-121-0x0000000000530000-0x0000000000551000-memory.dmp
              Filesize

              132KB

            • memory/892-120-0x0000000000000000-mapping.dmp
            • memory/892-145-0x0000000000A60000-0x0000000000A61000-memory.dmp
              Filesize

              4KB

            • memory/948-160-0x0000000000000000-mapping.dmp
            • memory/1144-122-0x0000000000000000-mapping.dmp
            • memory/1212-155-0x0000000000000000-mapping.dmp
            • memory/1484-146-0x0000000000000000-mapping.dmp
            • memory/1512-129-0x0000000072EF0000-0x0000000072F11000-memory.dmp
              Filesize

              132KB

            • memory/1512-126-0x0000000000000000-mapping.dmp
            • memory/1512-128-0x0000000072EF0000-0x0000000073061000-memory.dmp
              Filesize

              1.4MB

            • memory/1512-130-0x0000000072EF0000-0x0000000073061000-memory.dmp
              Filesize

              1.4MB

            • memory/1512-131-0x0000000002690000-0x000000000273E000-memory.dmp
              Filesize

              696KB

            • memory/1784-133-0x0000000000000000-mapping.dmp
            • memory/1796-132-0x0000000000000000-mapping.dmp
            • memory/1796-135-0x00000000035A0000-0x00000000035A1000-memory.dmp
              Filesize

              4KB

            • memory/1796-136-0x00000000035A0000-0x00000000035A1000-memory.dmp
              Filesize

              4KB

            • memory/1796-140-0x00000000035A0000-0x00000000035A1000-memory.dmp
              Filesize

              4KB

            • memory/1796-137-0x0000000002FB0000-0x0000000002FD1000-memory.dmp
              Filesize

              132KB

            • memory/1952-171-0x0000000000170000-0x0000000000191000-memory.dmp
              Filesize

              132KB

            • memory/1952-170-0x0000000000000000-mapping.dmp
            • memory/2012-134-0x0000000000000000-mapping.dmp
            • memory/2276-142-0x0000000000000000-mapping.dmp
            • memory/2276-148-0x0000000072960000-0x0000000072AD1000-memory.dmp
              Filesize

              1.4MB

            • memory/2276-149-0x0000000072960000-0x0000000072981000-memory.dmp
              Filesize

              132KB

            • memory/2276-150-0x0000000072960000-0x0000000072AD1000-memory.dmp
              Filesize

              1.4MB

            • memory/2276-152-0x00000000023F0000-0x00000000023F1000-memory.dmp
              Filesize

              4KB

            • memory/3232-139-0x0000000000000000-mapping.dmp
            • memory/3236-141-0x0000000000000000-mapping.dmp
            • memory/3652-164-0x0000000000000000-mapping.dmp
            • memory/3652-169-0x00000000021F0000-0x00000000021F1000-memory.dmp
              Filesize

              4KB

            • memory/3652-168-0x0000000072A10000-0x0000000072B81000-memory.dmp
              Filesize

              1.4MB

            • memory/3652-167-0x0000000072A10000-0x0000000072A31000-memory.dmp
              Filesize

              132KB

            • memory/3652-166-0x0000000072A10000-0x0000000072B81000-memory.dmp
              Filesize

              1.4MB

            • memory/3732-161-0x0000000000880000-0x0000000000881000-memory.dmp
              Filesize

              4KB

            • memory/3732-162-0x0000000000880000-0x0000000000881000-memory.dmp
              Filesize

              4KB

            • memory/3792-156-0x0000000003A60000-0x0000000003A61000-memory.dmp
              Filesize

              4KB

            • memory/3792-158-0x0000000002FB0000-0x0000000002FD1000-memory.dmp
              Filesize

              132KB

            • memory/3792-157-0x0000000003A60000-0x0000000003A61000-memory.dmp
              Filesize

              4KB

            • memory/3792-153-0x0000000000000000-mapping.dmp
            • memory/3828-118-0x0000000074190000-0x0000000074301000-memory.dmp
              Filesize

              1.4MB

            • memory/3828-116-0x0000000074190000-0x0000000074301000-memory.dmp
              Filesize

              1.4MB

            • memory/3828-117-0x0000000074190000-0x00000000741B1000-memory.dmp
              Filesize

              132KB

            • memory/3828-119-0x0000000003170000-0x0000000003171000-memory.dmp
              Filesize

              4KB

            • memory/3828-115-0x0000000000000000-mapping.dmp