Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30-10-2024 23:45

General

  • Target

    a3779fc0e5cc0845faab56b3bd00bcc4dfbc289ba8f645d4d4fc4ae6834248fcN.exe

  • Size

    3.8MB

  • MD5

    606b97ece0952eaa2da4cffa96e1fab0

  • SHA1

    12054550a8c1fc0bd9458d82abc2a0d93286fd5e

  • SHA256

    a3779fc0e5cc0845faab56b3bd00bcc4dfbc289ba8f645d4d4fc4ae6834248fc

  • SHA512

    13c271574f6c647eb9065b2ab20290aa60fb76f61b0c12162ffecf9eb784e6c65d48d6d2a573c8de981b27dd692ee8ce5c8e5d072b6c8d76501bad7f3ca43b01

  • SSDEEP

    49152:IsCOfN6X5tLLQTg20ITS/PPs/1kS4eKRL/SRsj0Zuur1T75YqVUrmNF98F:76XLq/qPPslzKx/dJg1ErmNC

Malware Config

Signatures

  • Blackmoon family
  • Blackmoon, KrBanker

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

  • Detect Blackmoon payload 4 IoCs
  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Executes dropped EXE 1 IoCs
  • UPX packed file 4 IoCs

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

  • Program crash 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.

  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a3779fc0e5cc0845faab56b3bd00bcc4dfbc289ba8f645d4d4fc4ae6834248fcN.exe
    "C:\Users\Admin\AppData\Local\Temp\a3779fc0e5cc0845faab56b3bd00bcc4dfbc289ba8f645d4d4fc4ae6834248fcN.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2888
    • \??\c:\rlrxlrx.exe
      c:\rlrxlrx.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1720
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1720 -s 36
        3⤵
        • Program crash
        PID:2348

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\rlrxlrx.exe

    Filesize

    3.8MB

    MD5

    0f742ae47c8aa44ed0781fe4305f3154

    SHA1

    bcd3b59a305d2cc7dd42cfb1c03a6527c70f8966

    SHA256

    c3dafcaab62b8795c63f43bcc5e206f21ef3098855665731529dd40ff5da5aad

    SHA512

    98a1ff7f77d85fe65108fafc75d498faf97b839d7a5efdd0ed6b94ae6b32e1607d09f46d87d4f53e2fb2b21502c94590810e47b412c4887b3f10b567ebb3ae7a

  • memory/2888-0-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/2888-3-0x0000000000220000-0x0000000000248000-memory.dmp

    Filesize

    160KB

  • memory/2888-8-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB