Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09-10-2024 18:20

General

  • Target

    EMANNN.exe

  • Size

    55KB

  • MD5

    6bc49cb82d9f92f4a70cf4c84265c26f

  • SHA1

    87f69c48c84f9a701b6800762c69c95dfd181273

  • SHA256

    925364c585429e6ae064c4db9c7bf30db036debed7b1f403efc60ea6990da4bf

  • SHA512

    3d1f055ec378e244c239debc9832bbd6f56a1b3cb27fa009380a728e769ad870272d90cc940d269a3f985c333380b43eedb4c5d1fbe8be57bd67749bc9419d0c

  • SSDEEP

    1536:k+mIDn/NOryWhI0DtwsNMDmXExI3pmjm:SIDnE+v0DtwsNMDmXExI3pm

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 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.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\EMANNN.exe
    "C:\Users\Admin\AppData\Local\Temp\EMANNN.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1828
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /delete /tn CleanSweepCheck /f
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2276
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 0 -n 2 & del "C:\Users\Admin\AppData\Local\Temp\EMANNN.exe"
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2852
      • C:\Windows\SysWOW64\PING.EXE
        ping 0 -n 2
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2844

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1828-0-0x00000000741C1000-0x00000000741C2000-memory.dmp

    Filesize

    4KB

  • memory/1828-1-0x00000000741C0000-0x000000007476B000-memory.dmp

    Filesize

    5.7MB

  • memory/1828-2-0x00000000741C0000-0x000000007476B000-memory.dmp

    Filesize

    5.7MB

  • memory/1828-4-0x00000000741C0000-0x000000007476B000-memory.dmp

    Filesize

    5.7MB

  • memory/1828-5-0x00000000741C0000-0x000000007476B000-memory.dmp

    Filesize

    5.7MB

  • memory/1828-6-0x00000000741C0000-0x000000007476B000-memory.dmp

    Filesize

    5.7MB

  • memory/1828-9-0x00000000741C0000-0x000000007476B000-memory.dmp

    Filesize

    5.7MB