Analysis

  • max time kernel
    149s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    03/03/2024, 11:10

General

  • Target
    virussign.com_b9b24219000f75286cbdb7c8e600061c.exe
  • Size 3.1MB
  • Sample240303-m91yhahf21
  • SHA256 a57a795d21b41f196e05995a2793aee9875061e835ecaab4f0a9dd17c1319c9c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Drops startup file 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\virussign.com_b9b24219000f75286cbdb7c8e600061c.exe
    "C:\Users\Admin\AppData\Local\Temp\virussign.com_b9b24219000f75286cbdb7c8e600061c.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2248
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sysdevdob.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sysdevdob.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:2732
    • C:\SysDrv4F\devbodec.exe
      C:\SysDrv4F\devbodec.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:2524

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        bodxloc.exe

        • Path C:\Galax2F\bodxloc.exe
        • Size 513KB
        • SHA256 bbd562374c944042649a15d3d58ed54e166e54dc6fa92b15b60d18e0ec37527f
        • MD5 SHA1 SHA512 SSDEEP

        bodxloc.exe

        • Path C:\Galax2F\bodxloc.exe
        • Size 1.1MB
        • SHA256 c2a07c7b15b910c653d42aedcb5d476c16072d9463c3f358482e1a4485b4ae72
        • MD5 SHA1 SHA512 SSDEEP

        devbodec.exe

        • Path C:\SysDrv4F\devbodec.exe
        • Size 709KB
        • SHA256 800eebeeeb65f02f0fdcb548cea03b399ca70f6cd8b8460268f5635a2381a42e
        • MD5 SHA1 SHA512 SSDEEP

        devbodec.exe

        • Path C:\SysDrv4F\devbodec.exe
        • Size 4KB
        • SHA256 bfdcd2c42a3d489e44a0b5657fecb7ffc22d8181a10f4caa3ccc824bb09e0960
        • MD5 SHA1 SHA512 SSDEEP

        devbodec.exe

        • Path C:\SysDrv4F\devbodec.exe
        • Size 7KB
        • SHA256 b686b642556e0715a8e375b78517a863e25728749bc9e6584d67bc11ae899474
        • MD5 SHA1 SHA512 SSDEEP

        253086396416_6.1_Admin.ini

        • Path C:\Users\Admin\253086396416_6.1_Admin.ini
        • Size 173B
        • SHA256 c5585c62d5622f6a9d7a07f6f4d0ed76524edf8d6de0b5e7d291169907971243
        • MD5 SHA1 SHA512

        253086396416_6.1_Admin.ini

        • Path C:\Users\Admin\253086396416_6.1_Admin.ini
        • Size 205B
        • SHA256 4ca0cfe0a9bea3c0588d6de89d67278514413fdc89529b9dec0d38f25ad44ff8
        • MD5 SHA1 SHA512

        sysdevdob.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sysdevdob.exe
        • Size 637KB
        • SHA256 b582c35e22b4fb4577d6ede6f8e7bcdab9954dc4a8454a079fb19d753626460b
        • MD5 SHA1 SHA512 SSDEEP

        sysdevdob.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sysdevdob.exe
        • Size 1.5MB
        • SHA256 5ace50d2f4ed3171dd43fec616d4ffc2d87ef00dc4ed735fa8e1360268983ab0
        • MD5 SHA1 SHA512 SSDEEP

        sysdevdob.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sysdevdob.exe
        • Size 1.3MB
        • SHA256 471addf6c9dd9785066ba99d56c600c5b16dd687222ac2e1fe9f2ee8709932f5
        • MD5 SHA1 SHA512 SSDEEP

        devbodec.exe

        • Path \SysDrv4F\devbodec.exe
        • Size 65KB
        • SHA256 4e2a46a374400fc21540c91eb3e5ab1502f3b6f02768003fc64292e8be038db7
        • MD5 SHA1 SHA512 SSDEEP

        sysdevdob.exe

        • Path \Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sysdevdob.exe
        • Size 1.0MB
        • SHA256 990a993bf933949746cae6d22d34281a3e3df91fe5895f914d58d1f448eb4973
        • MD5 SHA1 SHA512 SSDEEP