Analysis

  • max time kernel
    105s
  • max time network
    116s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    18-08-2024 14:05

General

  • Target

    19e4e3709e119a2fbc133ed33d5ca870N.dll

  • Size

    431KB

  • MD5

    19e4e3709e119a2fbc133ed33d5ca870

  • SHA1

    bc1da98274e84d5dbf43b0679d2d78e7e2f6e793

  • SHA256

    866357e962c7516d795535877166011be9cd8e5ff16fba354b7f9cdf44c2cc9a

  • SHA512

    5883ae539d134c8d606f11f40af13cce6ee8fdfee6346867cd2ffa8678217d9ea14416ef737ec82230cb35bdbcfc701211f59b7c8a6e9693aeed93c950e21162

  • SSDEEP

    12288:IXi0ig1VCpPgYO+TqxeqFcOH72olHki9r:IXivg1VCpZOCqxkOH7TB9

Malware Config

Signatures

  • Blackmoon, KrBanker

    Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.

  • Detect Blackmoon payload 1 IoCs
  • Detect PurpleFox Rootkit 2 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 2 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • PurpleFox

    PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • UPX packed file 7 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies data under HKEY_USERS 12 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:432
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted
        2⤵
        • Enumerates connected drives
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2952
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\19e4e3709e119a2fbc133ed33d5ca870N.dll,#1
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:2756
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\19e4e3709e119a2fbc133ed33d5ca870N.dll,#1
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2768

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2768-1-0x0000000010000000-0x0000000010088000-memory.dmp

      Filesize

      544KB

    • memory/2768-0-0x0000000010000000-0x0000000010088000-memory.dmp

      Filesize

      544KB

    • memory/2952-16-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/2952-17-0x0000000010000000-0x00000000101A0000-memory.dmp

      Filesize

      1.6MB

    • memory/2952-15-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/2952-14-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/2952-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2952-6-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/2952-3-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/2952-2-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/2952-18-0x000000007574E000-0x000000007574F000-memory.dmp

      Filesize

      4KB

    • memory/2952-8-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/2952-19-0x0000000010000000-0x00000000101A0000-memory.dmp

      Filesize

      1.6MB