Analysis

  • max time kernel
    120s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    26-08-2024 12:31

General

  • Target

    d2fb65c1e1f69030da8de2d201cde600N.dll

  • Size

    542KB

  • MD5

    d2fb65c1e1f69030da8de2d201cde600

  • SHA1

    6f8d8d35606ff58e8054eea2b2c64939d8907f96

  • SHA256

    e60bd0a538b4d7f2016c5b9c2e083527f9ac7189cf9711efc1d359e573ac9a43

  • SHA512

    232c6092423111bcb1b71d746677aa731ea0e45972a0fd1b0798d8da68ff6de77456d316e6892b28556d365332ffd2ae72df76ebb3766c162fdfb5374aeda3c9

  • SSDEEP

    12288:f3DQLNkJyNkiJWGvGVnXpb+U2R3uo98pAOheajW:f3DQLN/NwymnXpb+UEeo9InhtjW

Malware Config

Signatures

  • Blackmoon, KrBanker

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

  • Detect Blackmoon payload 2 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 8 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 11 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:1508
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d2fb65c1e1f69030da8de2d201cde600N.dll,#1
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:1456
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\d2fb65c1e1f69030da8de2d201cde600N.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:1660

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1508-8-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/1508-1-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/1508-3-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/1508-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/1508-6-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/1508-16-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/1508-15-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/1508-14-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/1508-17-0x0000000010000000-0x00000000101A0000-memory.dmp

      Filesize

      1.6MB

    • memory/1508-18-0x000000007544E000-0x000000007544F000-memory.dmp

      Filesize

      4KB

    • memory/1508-19-0x0000000010000000-0x00000000101A0000-memory.dmp

      Filesize

      1.6MB

    • memory/1660-4-0x0000000010000000-0x000000001008A000-memory.dmp

      Filesize

      552KB

    • memory/1660-0-0x0000000010000000-0x000000001008A000-memory.dmp

      Filesize

      552KB