Overview

overview

8

Static

static

3

be17ed22db...96.exe

windows7-x64

8

be17ed22db...96.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-05-2024 05:37

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General

  • Target

    be17ed22dbc7afaf283dcdd1235556fe9422635211f1e877654ba5fdac6cb196.exe

  • Size

    405KB

  • MD5

    7f0b1e2d00c4d53d30d18523137f6284

  • SHA1

    dc80c43d7ef3cf5964e9fc7fe07ae5a992fec439

  • SHA256

    be17ed22dbc7afaf283dcdd1235556fe9422635211f1e877654ba5fdac6cb196

  • SHA512

    bbde7c475223c70942aba0c1622cd473ae7d370781f3a9885400b66237f43fc79640bf26ae1e3d32ff1d328243cdf997536f1f8534b1503a3ccf5b727e4afa0c

  • SSDEEP

    6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4:gtRfJcNYFNm8UhlZGse

Score
8/10
bootkitpersistencespywarestealer

Malware Config

Signatures

  • Blocklisted process makes network request 8 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\be17ed22dbc7afaf283dcdd1235556fe9422635211f1e877654ba5fdac6cb196.exe
    "C:\Users\Admin\AppData\Local\Temp\be17ed22dbc7afaf283dcdd1235556fe9422635211f1e877654ba5fdac6cb196.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2492
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\vxemjxfnx.exe "C:\Users\Admin\AppData\Local\Temp\be17ed22dbc7afaf283dcdd1235556fe9422635211f1e877654ba5fdac6cb196.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4004
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • Runs ping.exe
        PID:2956
      • C:\Users\Admin\AppData\Local\Temp\vxemjxfnx.exe
        C:\Users\Admin\AppData\Local\Temp\\vxemjxfnx.exe "C:\Users\Admin\AppData\Local\Temp\be17ed22dbc7afaf283dcdd1235556fe9422635211f1e877654ba5fdac6cb196.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2380
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\Program Files\pcgbu\tcgfs.dll",Verify C:\Users\Admin\AppData\Local\Temp\vxemjxfnx.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:1908

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\vxemjxfnx.exe
    Filesize

    405KB

    MD5

    19a9b94825303a3df02c6ebd1419149f

    SHA1

    3bba918b76ab2e40e4b2ff27a9d016f90b5c88c7

    SHA256

    b24c61fb2f8256ad1ae52931590601ceba3cfaa3308d5be1550d34ec75ef8cce

    SHA512

    bbcc0a10c0c9fe8ef4c742af7333cacc02a58c040a40c04a4d126a73c1e93c999b0a264b331f50ec23dda9df3e3c501b20f224d7653c410fe7004c6e53418be6

    Download Submit

  • \??\c:\Program Files\pcgbu\tcgfs.dll
    Filesize

    228KB

    MD5

    0b8e7bbd06b7621cfb7dc4e13cbd07f9

    SHA1

    4b787c15861d1dca1b4aa8826781b61420fd9b13

    SHA256

    d665e9bbb48abb154a7948d13ca7a3a985b5f6d3ab4e40fd5f9d28d12396688e

    SHA512

    0f738ba34ac3f2133fe9dfeef1b8132e1407d93878019227816cef455be19d886fb979c0889ce9b661a2bebdadeef1b516a90ede93b4920d364d43c85f705892

    Download Submit

  • memory/1908-10-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

    Download

  • memory/1908-11-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

    Download

  • memory/1908-13-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

    Download

  • memory/2380-7-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

    Download

  • memory/2492-0-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

    Download

  • memory/2492-2-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

    Download