Resubmissions

15-10-2021 23:55

211015-3yd8csbfa6 10

Analysis

  • max time kernel
    289s
  • max time network
    122s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    15-10-2021 23:55

General

  • Target

    Celod.wac.dll

  • Size

    825KB

  • MD5

    7b1fcee11e42920b6922baaf43e48585

  • SHA1

    b2c3040aeff1b37771b6bf8633a42fb14af8a4fe

  • SHA256

    41af67ae35a6f1aa2361e3e35ed02c78f6995067359a94c417488304f2744a63

  • SHA512

    46fa6b323bf3a5a99680facbe4d93cd78e51aeb902559d1f624ee8d30daea247d78c885d702b1e654c039e8eb96d4d42c68cc5ffdd7a586c7a51168f878c3829

Malware Config

Extracted

Family

qakbot

Version

402.363

Botnet

obama111

Campaign

1633590450

C2

37.210.152.224:995

201.93.111.2:995

202.134.178.157:443

89.101.97.139:443

73.52.50.32:443

188.55.235.110:995

27.223.92.142:995

181.118.183.94:443

136.232.34.70:443

186.32.163.199:443

72.173.78.211:443

76.25.142.196:443

120.150.218.241:995

185.250.148.74:443

89.137.52.44:443

66.103.170.104:2222

188.50.169.158:443

174.54.193.186:443

103.148.120.144:443

140.82.49.12:443

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 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 4 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\Celod.wac.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2960
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\Celod.wac.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1120
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3536
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn tksftpsqjc /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\Celod.wac.dll\"" /SC ONCE /Z /ST 00:03 /ET 00:15
          4⤵
          • Creates scheduled task(s)
          PID:2708
  • \??\c:\windows\system32\regsvr32.exe
    regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\Celod.wac.dll"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1728
    • C:\Windows\SysWOW64\regsvr32.exe
      -s "C:\Users\Admin\AppData\Local\Temp\Celod.wac.dll"
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:3892
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Modifies data under HKEY_USERS
        • Suspicious use of WriteProcessMemory
        PID:3632
        • 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\Jakjkuyfxf" /d "0"
          4⤵
            PID:3808
          • 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\Kxehhq" /d "0"
            4⤵
              PID:3056

      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\Celod.wac.dll
        MD5

        7b1fcee11e42920b6922baaf43e48585

        SHA1

        b2c3040aeff1b37771b6bf8633a42fb14af8a4fe

        SHA256

        41af67ae35a6f1aa2361e3e35ed02c78f6995067359a94c417488304f2744a63

        SHA512

        46fa6b323bf3a5a99680facbe4d93cd78e51aeb902559d1f624ee8d30daea247d78c885d702b1e654c039e8eb96d4d42c68cc5ffdd7a586c7a51168f878c3829

      • \Users\Admin\AppData\Local\Temp\Celod.wac.dll
        MD5

        7b1fcee11e42920b6922baaf43e48585

        SHA1

        b2c3040aeff1b37771b6bf8633a42fb14af8a4fe

        SHA256

        41af67ae35a6f1aa2361e3e35ed02c78f6995067359a94c417488304f2744a63

        SHA512

        46fa6b323bf3a5a99680facbe4d93cd78e51aeb902559d1f624ee8d30daea247d78c885d702b1e654c039e8eb96d4d42c68cc5ffdd7a586c7a51168f878c3829

      • memory/1120-116-0x0000000073BB0000-0x0000000073D20000-memory.dmp
        Filesize

        1.4MB

      • memory/1120-118-0x0000000073BB0000-0x0000000073D20000-memory.dmp
        Filesize

        1.4MB

      • memory/1120-117-0x0000000073BB0000-0x0000000073BD1000-memory.dmp
        Filesize

        132KB

      • memory/1120-119-0x0000000002710000-0x000000000285A000-memory.dmp
        Filesize

        1.3MB

      • memory/1120-115-0x0000000000000000-mapping.dmp
      • memory/2708-121-0x0000000000000000-mapping.dmp
      • memory/3056-134-0x0000000000000000-mapping.dmp
      • memory/3536-120-0x0000000000000000-mapping.dmp
      • memory/3536-123-0x0000000000170000-0x0000000000171000-memory.dmp
        Filesize

        4KB

      • memory/3536-124-0x0000000000BB0000-0x0000000000BD1000-memory.dmp
        Filesize

        132KB

      • memory/3536-122-0x0000000000170000-0x0000000000171000-memory.dmp
        Filesize

        4KB

      • memory/3632-137-0x00000000003D0000-0x00000000003F1000-memory.dmp
        Filesize

        132KB

      • memory/3632-136-0x0000000000A80000-0x0000000000A81000-memory.dmp
        Filesize

        4KB

      • memory/3632-135-0x0000000000A80000-0x0000000000A81000-memory.dmp
        Filesize

        4KB

      • memory/3632-132-0x0000000000000000-mapping.dmp
      • memory/3808-133-0x0000000000000000-mapping.dmp
      • memory/3892-128-0x0000000072890000-0x0000000072A00000-memory.dmp
        Filesize

        1.4MB

      • memory/3892-131-0x0000000000950000-0x0000000000951000-memory.dmp
        Filesize

        4KB

      • memory/3892-130-0x0000000072890000-0x0000000072A00000-memory.dmp
        Filesize

        1.4MB

      • memory/3892-129-0x0000000072890000-0x00000000728B1000-memory.dmp
        Filesize

        132KB

      • memory/3892-126-0x0000000000000000-mapping.dmp