Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01-10-2024 17:27

General

  • Target

    3ad5eda009261333870f4bf241ac556b8bcc7e7d2e0395b204256c8ea2402775N.dll

  • Size

    437KB

  • MD5

    f111d4370e3267a0a91dfeab083756f0

  • SHA1

    c4660bd2a09217e8db5bca929ecc0e840e3b9650

  • SHA256

    3ad5eda009261333870f4bf241ac556b8bcc7e7d2e0395b204256c8ea2402775

  • SHA512

    917e70333aff3e5b76c1582326618670bc6a6ea473bba690628cfcf12358dde7399b3706f1c8f7bf8a95dbe6315cd1f0bde1795059c98edbb49300b09bc5eadd

  • SSDEEP

    6144:bas0ZLc/IJvCklIqA8mvHwgnHJp9OWqw7zsK0bencTpX4KtjY5Jt/lt0zwzOu6Wl:gBFJqk2q1g5ppemr0bAKoNfnQCSWpoS/

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
  • 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
  • UPX packed file 10 IoCs

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

  • 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:428
      • 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:2380
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3ad5eda009261333870f4bf241ac556b8bcc7e7d2e0395b204256c8ea2402775N.dll,#1
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:1076
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\3ad5eda009261333870f4bf241ac556b8bcc7e7d2e0395b204256c8ea2402775N.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:2572

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2380-17-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/2380-18-0x0000000010000000-0x00000000101A0000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-21-0x0000000010000000-0x00000000101A0000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-9-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/2380-4-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/2380-5-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/2380-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2380-19-0x000000007770E000-0x000000007770F000-memory.dmp

      Filesize

      4KB

    • memory/2380-7-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/2380-15-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/2380-16-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/2572-0-0x0000000010000000-0x00000000100A6000-memory.dmp

      Filesize

      664KB

    • memory/2572-1-0x0000000010000000-0x00000000100A6000-memory.dmp

      Filesize

      664KB

    • memory/2572-2-0x0000000010000000-0x00000000100A6000-memory.dmp

      Filesize

      664KB

    • memory/2572-3-0x0000000010000000-0x00000000100A6000-memory.dmp

      Filesize

      664KB