Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2024 16:13

General

  • Target

    2c26de05d2903b97248cbce365edc1e90c40066ce26f8a8b4263129e5979387b.exe

  • Size

    5.8MB

  • MD5

    c3305288974f4c07c89901405701730c

  • SHA1

    711c12e57930f2d0777b2d87995d826817159d58

  • SHA256

    2c26de05d2903b97248cbce365edc1e90c40066ce26f8a8b4263129e5979387b

  • SHA512

    eac2a2beacf21523cd42685acec56c2ab148baa87653bc0a155dee916c8174c670d2461a44ad4124260cc8d5d5e3beedc375aebf810a3c1aef6e319e0c8271f6

  • SSDEEP

    98304:adE1MdE1MdE1MdE1GdE1MdE1MdE1MdE1UdE1MdE1MdE1MdE1GdE1MdE1MdE1MdEf:OWAWAWAWyWAWAWAWIWAWAWAWyWAWAWAs

Malware Config

Signatures

  • Blackmoon family
  • Blackmoon, KrBanker

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

  • Detect Blackmoon payload 3 IoCs
  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 4 IoCs
  • UPX packed file 5 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Modifies data under HKEY_USERS 8 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 42 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2c26de05d2903b97248cbce365edc1e90c40066ce26f8a8b4263129e5979387b.exe
    "C:\Users\Admin\AppData\Local\Temp\2c26de05d2903b97248cbce365edc1e90c40066ce26f8a8b4263129e5979387b.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5100
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ping 127.0.0.1 -n 5 & Start c:\windows\fonts\ybfxeudi\uqpfa.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:3380
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 5
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:4008
      • \??\c:\windows\fonts\ybfxeudi\uqpfa.exe
        c:\windows\fonts\ybfxeudi\uqpfa.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2208
  • \??\c:\windows\fonts\ybfxeudi\uqpfa.exe
    c:\windows\fonts\ybfxeudi\uqpfa.exe
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:2996
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2996 -s 1304
      2⤵
      • Program crash
      PID:5076
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2996 -ip 2996
    1⤵
      PID:4580

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\Fonts\ybfxeudi\uqpfa.exe

      Filesize

      5.9MB

      MD5

      1b586aad6c83badf4d2e59937aa149ce

      SHA1

      f7938d5f0ce2ef859e329b65f4e715ea706ef0fb

      SHA256

      600d74328e1693a52019707b336ce41402c761e80f10ad0590c6080197d781f2

      SHA512

      f11d097dccd697e075f6fc257f347a12393b60a8bfa625dc397bff72eec83994ac69768f21842544b0cec24b485113322c0373f46e00cafbac126f031556c6ff

    • memory/2208-9-0x0000000000400000-0x00000000004B0000-memory.dmp

      Filesize

      704KB

    • memory/2996-10-0x0000000000400000-0x00000000004B0000-memory.dmp

      Filesize

      704KB

    • memory/5100-0-0x0000000000400000-0x00000000004B0000-memory.dmp

      Filesize

      704KB

    • memory/5100-4-0x0000000000400000-0x00000000004B0000-memory.dmp

      Filesize

      704KB