Analysis

  • max time kernel
    143s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    25-01-2024 21:12

General

  • Target

    75879295ef6daf7f8cd035e9a04218d9.exe

  • Size

    211KB

  • MD5

    75879295ef6daf7f8cd035e9a04218d9

  • SHA1

    a3e286680c49365945092e00a1f7daf29f1d6876

  • SHA256

    796984b6441982bc882aa42f4eee533d01f7ee841039bdb0bc5c3526b3a16db6

  • SHA512

    76b43d039e6d45195df7b697bbb1df93c455de364409c5dc25f49ca73acae249b8d04b966a426a74bb5e92c58d44880de243d7fa55b6427acc565c7809ad1968

  • SSDEEP

    3072:DcgRimct5fFJ3EzhahRZ7LKT6JaWrr+RI+rgUk5CD/n:DcrzEg3VLu6JaQEI++5S/n

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Kills process with taskkill 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\75879295ef6daf7f8cd035e9a04218d9.exe
    "C:\Users\Admin\AppData\Local\Temp\75879295ef6daf7f8cd035e9a04218d9.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1680
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 1680 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\75879295ef6daf7f8cd035e9a04218d9.exe" & start C:\Users\Admin\AppData\Local\LWXKGO~1.EXE -f
      2⤵
      • Deletes itself
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:320
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /pid 1680
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2380
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 3 127.1
        3⤵
        • Runs ping.exe
        PID:2600
      • C:\Users\Admin\AppData\Local\lwxkgoudzl.exe
        C:\Users\Admin\AppData\Local\LWXKGO~1.EXE -f
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2860

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\lwxkgoudzl.exe

    Filesize

    211KB

    MD5

    75879295ef6daf7f8cd035e9a04218d9

    SHA1

    a3e286680c49365945092e00a1f7daf29f1d6876

    SHA256

    796984b6441982bc882aa42f4eee533d01f7ee841039bdb0bc5c3526b3a16db6

    SHA512

    76b43d039e6d45195df7b697bbb1df93c455de364409c5dc25f49ca73acae249b8d04b966a426a74bb5e92c58d44880de243d7fa55b6427acc565c7809ad1968

  • memory/1680-0-0x0000000001000000-0x00000000010D6000-memory.dmp

    Filesize

    856KB

  • memory/1680-1-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/1680-3-0x0000000001000000-0x00000000010D6000-memory.dmp

    Filesize

    856KB

  • memory/1680-4-0x0000000001000000-0x00000000010D6000-memory.dmp

    Filesize

    856KB

  • memory/1680-6-0x0000000001000000-0x00000000010D6000-memory.dmp

    Filesize

    856KB

  • memory/1680-7-0x00000000002E0000-0x00000000002E2000-memory.dmp

    Filesize

    8KB

  • memory/1680-8-0x0000000001000000-0x00000000010D6000-memory.dmp

    Filesize

    856KB

  • memory/2860-16-0x0000000001000000-0x00000000010D6000-memory.dmp

    Filesize

    856KB

  • memory/2860-18-0x0000000001000000-0x00000000010D6000-memory.dmp

    Filesize

    856KB

  • memory/2860-19-0x0000000000260000-0x0000000000262000-memory.dmp

    Filesize

    8KB

  • memory/2860-22-0x0000000001000000-0x00000000010D6000-memory.dmp

    Filesize

    856KB

  • memory/2860-23-0x0000000001000000-0x00000000010D6000-memory.dmp

    Filesize

    856KB

  • memory/2860-24-0x0000000001000000-0x00000000010D6000-memory.dmp

    Filesize

    856KB

  • memory/2860-26-0x0000000001000000-0x00000000010D6000-memory.dmp

    Filesize

    856KB

  • memory/2860-27-0x0000000001000000-0x00000000010D6000-memory.dmp

    Filesize

    856KB

  • memory/2860-28-0x0000000001000000-0x00000000010D6000-memory.dmp

    Filesize

    856KB

  • memory/2860-29-0x0000000001000000-0x00000000010D6000-memory.dmp

    Filesize

    856KB

  • memory/2860-30-0x0000000001000000-0x00000000010D6000-memory.dmp

    Filesize

    856KB