Overview

overview

8

Static

static

3

ef92f02b5c...15.exe

windows7-x64

8

ef92f02b5c...15.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    24-05-2024 23:32

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General

  • Target

    ef92f02b5c71d5abead3fad1a9e1fe2a782ece30622b2306644cf782157dac15.exe

  • Size

    406KB

  • MD5

    015ea1f851c0407e57b402e844b2c7cd

  • SHA1

    7ca5233ab585effdce0bf30b6e293c75f7f5574f

  • SHA256

    ef92f02b5c71d5abead3fad1a9e1fe2a782ece30622b2306644cf782157dac15

  • SHA512

    7d3e4e4bb53c2d784c83ed2468daec0889b1f74567238afc2e766f034188f1b764c81c39a3ea4fd8d5b15e5db9bb053c135961a1160b4db08b030b51e2956ff9

  • SSDEEP

    6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4b:gtRfJcNYFNm8UhlZGseb

Score
8/10
bootkitpersistencespywarestealer

Malware Config

Signatures

  • Blocklisted process makes network request 10 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ef92f02b5c71d5abead3fad1a9e1fe2a782ece30622b2306644cf782157dac15.exe
    "C:\Users\Admin\AppData\Local\Temp\ef92f02b5c71d5abead3fad1a9e1fe2a782ece30622b2306644cf782157dac15.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1860
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\xuesnogc.exe "C:\Users\Admin\AppData\Local\Temp\ef92f02b5c71d5abead3fad1a9e1fe2a782ece30622b2306644cf782157dac15.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2864
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • Runs ping.exe
        PID:3008
      • C:\Users\Admin\AppData\Local\Temp\xuesnogc.exe
        C:\Users\Admin\AppData\Local\Temp\\xuesnogc.exe "C:\Users\Admin\AppData\Local\Temp\ef92f02b5c71d5abead3fad1a9e1fe2a782ece30622b2306644cf782157dac15.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2612
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\Program Files\rlsor\shinak.dll",Verify C:\Users\Admin\AppData\Local\Temp\xuesnogc.exe
          4⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2404

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Program Files\rlsor\shinak.dll
    Filesize

    228KB

    MD5

    ca3c331553e25d3a7c745ba1e8b017df

    SHA1

    eca06e125139ba79cc44e49d8a5f8a5cf57bdc42

    SHA256

    3008925924329e8f0ae90d6aef114e9776525149830591fcbda86664198bb4d5

    SHA512

    364b675a91d812a7ba66af93c6d0763a28e01c8475424ce0a4747115368d68d80327af67406fe85cb10acaf5d73463850c587ab7b16846470e1a800885d427ce

    Download Submit

  • \Users\Admin\AppData\Local\Temp\xuesnogc.exe
    Filesize

    406KB

    MD5

    2eadd98a419a5c9928884a048717c651

    SHA1

    b449a0e3a59fc31d036094d48da0fff366237a33

    SHA256

    ea533562d2ac6e57c73b1006ed74cffd8a19837dcce63afbdca60412cdb6b45d

    SHA512

    569347f6b15799751e1a681b4871b21959024dbb5e0addb9e8ee0eb7a864e60dd293001a14f534ee055b5daa8c9f023a6910caadf89a7bbebf0ab687ca52ff0e

    Download Submit

  • memory/1860-0-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

    Download

  • memory/1860-2-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

    Download

  • memory/2404-15-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

    Download

  • memory/2404-16-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

    Download

  • memory/2404-18-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

    Download

  • memory/2612-9-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

    Download

  • memory/2864-4-0x0000000000170000-0x00000000001D4000-memory.dmp

    Filesize

    400KB

    Download