Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/12/2022, 15:23

General

  • Target
    file.exe
  • Size 312KB
  • Sample221213-ssgfeshf2x
  • SHA256 1ec2de74e633b9a96a7cb6b2719d52c44b2d302e5960e72e4973e8f310c73079
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Danabot

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

  • Detects Smokeloader packer 1 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Blocklisted process makes network request 2 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • 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 10 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Checks processor information in registry 2 TTPs 21 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Modifies registry class 30 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 16 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1232
  • C:\Users\Admin\AppData\Local\Temp\DD84.exe
    C:\Users\Admin\AppData\Local\Temp\DD84.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:1708
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\Eqthrherrihstdq.tmp",Tdaudwtuaafee
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Drops file in Program Files directory
      • Checks processor information in registry
      • Suspicious use of WriteProcessMemory
      PID:3108
      • C:\Windows\system32\rundll32.exe
        "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 24214
        3⤵
        • Modifies registry class
        • Suspicious use of FindShellTrayWindow
        PID:4880
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1708 -s 536
      2⤵
      • Program crash
      PID:4188
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1708 -ip 1708
    1⤵
      PID:3856
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:4292
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\SysWOW64\svchost.exe -k LocalService
        1⤵
          PID:4820
          • C:\Windows\SysWOW64\rundll32.exe
            "C:\Windows\system32\rundll32.exe" "c:\program files (x86)\windowspowershell\modules\cpdf_full..dll",ZkMjUQ==
            2⤵
              PID:1512

          Network

                MITRE ATT&CK Enterprise v6

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                CPDF_Full..dll

                • Path C:\Program Files (x86)\WindowsPowerShell\Modules\CPDF_Full..dll
                • Size 774KB
                • SHA256 7d181871ee25cc70a50722b9c26e8b2945b098ffc3155d2525e0cfe8f9b24c02
                • MD5 SHA1 SHA512 SSDEEP

                Darqfppusiiuf.tmp

                • Path C:\ProgramData\{D5940A6A-0914-F446-CA91-9023498DBE86}\Darqfppusiiuf.tmp
                • Size 2.3MB
                • SHA256 58b90158e4540af019f9cd5e6c9c25877af777ff3ed332638b0c0477c60fba19
                • MD5 SHA1 SHA512 SSDEEP

                Darqfppusiiuf.tmp

                • Path C:\ProgramData\{D5940A6A-0914-F446-CA91-9023498DBE86}\Darqfppusiiuf.tmp
                • Size 64KB
                • SHA256 d65015788db726fa854a15d774b6c3fac58cda44a329bce790f3be1e268fdf43
                • MD5 SHA1 SHA512 SSDEEP

                Microsoft.549981C3F5F10_1.1911.21713.0_neutral_~_8wekyb3d8bbwe.xml

                • Path C:\ProgramData\{D5940A6A-0914-F446-CA91-9023498DBE86}\Microsoft.549981C3F5F10_1.1911.21713.0_neutral_~_8wekyb3d8bbwe.xml
                • Size 1KB
                • SHA256 52b30a2b9d6a5c18dd585e3efe81688611b45f649e4e4e2c0543eaaf473f5285
                • MD5 SHA1 SHA512

                edb.chk

                • Path C:\ProgramData\{D5940A6A-0914-F446-CA91-9023498DBE86}\edb.chk
                • Size 8KB
                • SHA256 c2d1911fde2edfe2bb18c5fbe03526216d071171ebc9a6f47c55b6a54c6ee8ae
                • MD5 SHA1 SHA512 SSDEEP

                DD84.exe

                • Path C:\Users\Admin\AppData\Local\Temp\DD84.exe
                • Size 1.1MB
                • SHA256 fe9f70baaf4cd64f874e265cc47c6b7978db010c75e53cf323f86a7a8562832b
                • MD5 SHA1 SHA512 SSDEEP

                DD84.exe

                • Path C:\Users\Admin\AppData\Local\Temp\DD84.exe
                • Size 1.1MB
                • SHA256 fe9f70baaf4cd64f874e265cc47c6b7978db010c75e53cf323f86a7a8562832b
                • MD5 SHA1 SHA512 SSDEEP

                Eqthrherrihstdq.tmp

                • Path C:\Users\Admin\AppData\Local\Temp\Eqthrherrihstdq.tmp
                • Size 774KB
                • SHA256 2f30b002eac9a0550ae2f426dc85034ca54bfe8ee06f325323ce3b62c88abc68
                • MD5 SHA1 SHA512 SSDEEP

                Eqthrherrihstdq.tmp

                • Path C:\Users\Admin\AppData\Local\Temp\Eqthrherrihstdq.tmp
                • Size 774KB
                • SHA256 2f30b002eac9a0550ae2f426dc85034ca54bfe8ee06f325323ce3b62c88abc68
                • MD5 SHA1 SHA512 SSDEEP

                cpdf_full..dll

                • Path \??\c:\program files (x86)\windowspowershell\modules\cpdf_full..dll
                • Size 774KB
                • SHA256 7d181871ee25cc70a50722b9c26e8b2945b098ffc3155d2525e0cfe8f9b24c02
                • MD5 SHA1 SHA512 SSDEEP

                memory/1232-135-0x0000000000400000-0x0000000000454000-memory.dmp

                memory/1232-132-0x00000000006FF000-0x0000000000715000-memory.dmp

                memory/1232-134-0x0000000000400000-0x0000000000454000-memory.dmp

                memory/1232-133-0x00000000006B0000-0x00000000006B9000-memory.dmp

                memory/1708-144-0x0000000000400000-0x000000000052C000-memory.dmp

                memory/1708-143-0x0000000002330000-0x000000000245A000-memory.dmp

                memory/1708-142-0x00000000020FE000-0x00000000021E6000-memory.dmp

                memory/3108-148-0x0000000004840000-0x0000000004980000-memory.dmp

                memory/3108-147-0x0000000004840000-0x0000000004980000-memory.dmp

                memory/3108-145-0x0000000005AF0000-0x0000000006215000-memory.dmp

                memory/3108-151-0x0000000004840000-0x0000000004980000-memory.dmp

                memory/3108-155-0x00000000048B9000-0x00000000048BB000-memory.dmp

                memory/3108-146-0x0000000004840000-0x0000000004980000-memory.dmp

                memory/3108-158-0x0000000005AF0000-0x0000000006215000-memory.dmp

                memory/3108-150-0x0000000004840000-0x0000000004980000-memory.dmp

                memory/3108-149-0x0000000004840000-0x0000000004980000-memory.dmp

                memory/4820-162-0x0000000003D60000-0x0000000004485000-memory.dmp

                memory/4880-154-0x000001DB9FAE0000-0x000001DB9FC20000-memory.dmp

                memory/4880-157-0x000001DB9E100000-0x000001DB9E32A000-memory.dmp

                memory/4880-156-0x0000000000E60000-0x0000000001078000-memory.dmp

                memory/4880-153-0x000001DB9FAE0000-0x000001DB9FC20000-memory.dmp