Analysis

  • max time kernel
    145s
  • max time network
    148s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    07/10/2021, 16:41

General

  • Target
    b4c8d7faaec043f8fd767a9c8c648533.exe
  • Size 1.1MB
  • Sample211007-t64njschfr
  • SHA256 42e22bf3a9630d312d795db190f16cb7f0d3b51b9903695ed678dfc190240345
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • danabot

C2
  • 142.11.242.31:443

  • 192.119.110.73:443

  • 192.210.222.88:443

Attributes
  • embedded_hash

    F4711E27D559B4AEB1A081A1EB0AC465

  • type

    loader

rsa_pubkey.plain
rsa_privkey.plain

Extracted

Family
  • danabot

Version
  • 2052

Botnet
  • 4

C2
  • 142.11.242.31:443

  • 192.119.110.73:443

  • 192.210.222.88:443

Attributes
  • embedded_hash

    F4711E27D559B4AEB1A081A1EB0AC465

  • type

    main

rsa_privkey.plain
rsa_pubkey.plain

Signatures

  • Danabot

    Danabot is a modular banking Trojan that has been linked with other malware.

  • Danabot Loader Component 6 IoCs
  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • Blocklisted process makes network request 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 41 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 32 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b4c8d7faaec043f8fd767a9c8c648533.exe
    "C:\Users\Admin\AppData\Local\Temp\b4c8d7faaec043f8fd767a9c8c648533.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2160
    • C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\B4C8D7~1.DLL,s C:\Users\Admin\AppData\Local\Temp\B4C8D7~1.EXE
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:1932
      • C:\Windows\SysWOW64\RUNDLL32.EXE
        C:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\B4C8D7~1.DLL,kj5UdUQ5Nkg=
        3⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        • Checks processor information in registry
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:3648
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath C:\Users\Admin\AppData\Local\Temp\B4C8D7~1.DLL
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:944
        • C:\Windows\SysWOW64\RUNDLL32.EXE
          C:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\B4C8D7~1.DLL,RD8EcWNxS1hP
          4⤵
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1360
          • C:\Windows\system32\rundll32.exe
            C:\Windows\system32\rundll32.exe C:\Windows\system32\shell32.dll,#61 19638
            5⤵
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of WriteProcessMemory
            PID:2080
            • C:\Windows\system32\ctfmon.exe
              ctfmon.exe
              6⤵
                PID:2932
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Executionpolicy bypass -File "C:\Users\Admin\AppData\Local\Temp\tmpEF1F.tmp.ps1"
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:388
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Executionpolicy bypass -File "C:\Users\Admin\AppData\Local\Temp\tmp1C0D.tmp.ps1"
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1740
            • C:\Windows\SysWOW64\nslookup.exe
              "C:\Windows\system32\nslookup.exe" -type=any localhost
              5⤵
                PID:3104
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /End /tn \Microsoft\Windows\Wininet\CacheTask
              4⤵
                PID:3744
              • C:\Windows\SysWOW64\schtasks.exe
                schtasks /Run /tn \Microsoft\Windows\Wininet\CacheTask
                4⤵
                  PID:3876
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1932 -s 812
                3⤵
                • Suspicious use of NtCreateProcessExOtherParentProcess
                • Program crash
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:2872

          Network

                MITRE ATT&CK Enterprise v6

                Replay Monitor

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                Downloads

                memory/388-283-0x0000000007303000-0x0000000007304000-memory.dmp

                memory/388-186-0x0000000007300000-0x0000000007301000-memory.dmp

                memory/388-188-0x0000000007302000-0x0000000007303000-memory.dmp

                memory/388-168-0x0000000004DA0000-0x0000000004DA1000-memory.dmp

                memory/388-169-0x0000000004DA0000-0x0000000004DA1000-memory.dmp

                memory/944-132-0x0000000007AE0000-0x0000000007AE1000-memory.dmp

                memory/944-146-0x0000000008630000-0x0000000008631000-memory.dmp

                memory/944-202-0x0000000005153000-0x0000000005154000-memory.dmp

                memory/944-138-0x0000000007790000-0x0000000007791000-memory.dmp

                memory/944-139-0x0000000005150000-0x0000000005151000-memory.dmp

                memory/944-140-0x0000000005152000-0x0000000005153000-memory.dmp

                memory/944-141-0x0000000008180000-0x0000000008181000-memory.dmp

                memory/944-142-0x0000000008110000-0x0000000008111000-memory.dmp

                memory/944-143-0x0000000008280000-0x0000000008281000-memory.dmp

                memory/944-199-0x0000000009C70000-0x0000000009C71000-memory.dmp

                memory/944-196-0x0000000009A60000-0x0000000009A61000-memory.dmp

                memory/944-158-0x0000000008960000-0x0000000008961000-memory.dmp

                memory/944-147-0x0000000008A90000-0x0000000008A91000-memory.dmp

                memory/944-191-0x00000000098F0000-0x00000000098F1000-memory.dmp

                memory/944-190-0x000000007E650000-0x000000007E651000-memory.dmp

                memory/944-130-0x00000000033E0000-0x00000000033E1000-memory.dmp

                memory/944-181-0x0000000009930000-0x0000000009963000-memory.dmp

                memory/944-129-0x00000000033E0000-0x00000000033E1000-memory.dmp

                memory/944-131-0x0000000004E20000-0x0000000004E21000-memory.dmp

                memory/944-165-0x00000000033E0000-0x00000000033E1000-memory.dmp

                memory/1360-145-0x0000000005C20000-0x0000000005C21000-memory.dmp

                memory/1360-155-0x0000000005AC0000-0x0000000005C00000-memory.dmp

                memory/1360-144-0x0000000004A01000-0x00000000059E5000-memory.dmp

                memory/1360-148-0x0000000005C40000-0x0000000005C41000-memory.dmp

                memory/1360-136-0x00000000042A0000-0x0000000004401000-memory.dmp

                memory/1360-149-0x0000000005AC0000-0x0000000005C00000-memory.dmp

                memory/1360-156-0x0000000005AC0000-0x0000000005C00000-memory.dmp

                memory/1360-150-0x0000000005AC0000-0x0000000005C00000-memory.dmp

                memory/1360-152-0x0000000005AC0000-0x0000000005C00000-memory.dmp

                memory/1360-154-0x0000000005C50000-0x0000000005C51000-memory.dmp

                memory/1360-153-0x0000000005AC0000-0x0000000005C00000-memory.dmp

                memory/1740-455-0x0000000006753000-0x0000000006754000-memory.dmp

                memory/1740-412-0x0000000006750000-0x0000000006751000-memory.dmp

                memory/1740-413-0x0000000006752000-0x0000000006753000-memory.dmp

                memory/1932-122-0x0000000000570000-0x0000000000571000-memory.dmp

                memory/1932-121-0x0000000004F21000-0x0000000005F05000-memory.dmp

                memory/2080-163-0x0000000000840000-0x00000000009E0000-memory.dmp

                memory/2080-164-0x000001A9EEC90000-0x000001A9EEE42000-memory.dmp

                memory/2080-161-0x000001A9EE9C0000-0x000001A9EE9C2000-memory.dmp

                memory/2080-160-0x000001A9EE9C0000-0x000001A9EE9C2000-memory.dmp

                memory/2160-115-0x0000000004CC7000-0x0000000004DB5000-memory.dmp

                memory/2160-117-0x0000000000400000-0x0000000002E7A000-memory.dmp

                memory/2160-116-0x0000000004DC0000-0x0000000004EC5000-memory.dmp

                memory/3648-126-0x0000000004EE1000-0x0000000005EC5000-memory.dmp

                memory/3648-127-0x0000000000570000-0x0000000000571000-memory.dmp