Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-06-2023 16:30

General

  • Target

    cultivation.dll

  • Size

    608KB

  • MD5

    1158d283b86f29437b945dcbff15d271

  • SHA1

    d0ca7f3b857ba502282a82ae999f9cb16252221b

  • SHA256

    7e4d95082a010230aa024ac125e0adfffcfa914152219b2ef32b6893fe5ab9d7

  • SHA512

    6c69233ce82b1d9794cd995748b634060f2205ca16729f571cc997d35e4034ea6738d0169efec66248e3828a152356d66b27fd7dfe41a7e187ca63fd3b00d1e5

  • SSDEEP

    12288:zDxy+2MIBYYimb3oG11xfTUUk0uU7/GQ4vbnWj6:Pg+2MIBYkb4G11hTQ05bGM

Malware Config

Extracted

Family

qakbot

Version

404.1346

Botnet

BB30

Campaign

1685686808

C2

86.173.2.12:2222

92.9.45.20:2222

100.4.163.158:2222

213.64.33.92:2222

75.98.154.19:443

78.192.109.105:2222

88.126.94.4:50000

70.28.50.223:2083

92.154.17.149:2222

24.234.220.88:993

87.252.106.39:995

174.4.89.3:443

12.172.173.82:20

90.29.86.138:2222

70.160.67.203:443

223.166.13.95:995

184.181.75.148:443

95.45.50.93:2222

201.143.215.69:443

64.121.161.102:443

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Drops file in System32 directory 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 55 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\cultivation.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1400
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\cultivation.dll,#1
      2⤵
        PID:1436
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 600
          3⤵
          • Program crash
          PID:4332
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1436 -ip 1436
      1⤵
        PID:856
      • C:\Windows\System32\rundll32.exe
        C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
        1⤵
          PID:3564
        • C:\Windows\system32\WindowsPowerShell\v1.0\PowerShell.exe
          "PowerShell.exe" -noexit -command Set-Location -literalPath 'C:\Users\Admin\AppData\Local\Temp'
          1⤵
          • Drops file in System32 directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4848
          • C:\Windows\system32\rundll32.exe
            "C:\Windows\system32\rundll32.exe" .\cultivation.dll,next
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1416
            • C:\Windows\SysWOW64\rundll32.exe
              "C:\Windows\system32\rundll32.exe" .\cultivation.dll,next
              3⤵
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:4704
              • C:\Windows\SysWOW64\wermgr.exe
                C:\Windows\SysWOW64\wermgr.exe
                4⤵
                • Suspicious behavior: EnumeratesProcesses
                PID:4396
        • C:\Windows\system32\rundll32.exe
          "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
          1⤵
            PID:4976
          • C:\Windows\System32\svchost.exe
            C:\Windows\System32\svchost.exe -k UnistackSvcGroup
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:2796

          Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_njhu22it.klm.ps1

            Filesize

            60B

            MD5

            d17fe0a3f47be24a6453e9ef58c94641

            SHA1

            6ab83620379fc69f80c0242105ddffd7d98d5d9d

            SHA256

            96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

            SHA512

            5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

          • memory/1436-133-0x000000006AD80000-0x000000006AE22000-memory.dmp

            Filesize

            648KB

          • memory/2796-214-0x000001F0B8A40000-0x000001F0B8A41000-memory.dmp

            Filesize

            4KB

          • memory/2796-213-0x000001F0B8930000-0x000001F0B8931000-memory.dmp

            Filesize

            4KB

          • memory/2796-212-0x000001F0B8930000-0x000001F0B8931000-memory.dmp

            Filesize

            4KB

          • memory/2796-210-0x000001F0B8900000-0x000001F0B8901000-memory.dmp

            Filesize

            4KB

          • memory/2796-194-0x000001F0B0590000-0x000001F0B05A0000-memory.dmp

            Filesize

            64KB

          • memory/2796-178-0x000001F0B0490000-0x000001F0B04A0000-memory.dmp

            Filesize

            64KB

          • memory/4396-175-0x0000000000AA0000-0x0000000000AC4000-memory.dmp

            Filesize

            144KB

          • memory/4396-163-0x0000000000AD0000-0x0000000000AD2000-memory.dmp

            Filesize

            8KB

          • memory/4396-174-0x0000000000AA0000-0x0000000000AC4000-memory.dmp

            Filesize

            144KB

          • memory/4396-172-0x0000000000AA0000-0x0000000000AC4000-memory.dmp

            Filesize

            144KB

          • memory/4396-173-0x0000000000AA0000-0x0000000000AC4000-memory.dmp

            Filesize

            144KB

          • memory/4396-170-0x0000000000AA0000-0x0000000000AC4000-memory.dmp

            Filesize

            144KB

          • memory/4396-164-0x0000000000AA0000-0x0000000000AC4000-memory.dmp

            Filesize

            144KB

          • memory/4704-171-0x000000006AD80000-0x000000006AE22000-memory.dmp

            Filesize

            648KB

          • memory/4704-158-0x0000000010000000-0x0000000010024000-memory.dmp

            Filesize

            144KB

          • memory/4704-157-0x0000000002690000-0x0000000002693000-memory.dmp

            Filesize

            12KB

          • memory/4848-152-0x000002516A750000-0x000002516A760000-memory.dmp

            Filesize

            64KB

          • memory/4848-154-0x000002516ABA0000-0x000002516ABBE000-memory.dmp

            Filesize

            120KB

          • memory/4848-153-0x000002516A750000-0x000002516A760000-memory.dmp

            Filesize

            64KB

          • memory/4848-151-0x000002516A750000-0x000002516A760000-memory.dmp

            Filesize

            64KB

          • memory/4848-150-0x000002516ACC0000-0x000002516AD36000-memory.dmp

            Filesize

            472KB

          • memory/4848-149-0x000002516ABF0000-0x000002516AC34000-memory.dmp

            Filesize

            272KB

          • memory/4848-148-0x000002516A750000-0x000002516A760000-memory.dmp

            Filesize

            64KB

          • memory/4848-147-0x000002516A750000-0x000002516A760000-memory.dmp

            Filesize

            64KB

          • memory/4848-146-0x000002516A750000-0x000002516A760000-memory.dmp

            Filesize

            64KB

          • memory/4848-145-0x0000025152490000-0x00000251524B2000-memory.dmp

            Filesize

            136KB