Analysis

  • max time kernel
    595s
  • max time network
    617s
  • platform
    windows7_x64
  • resource
    win7-20240729-es
  • resource tags

    arch:x64arch:x86image:win7-20240729-eslocale:es-esos:windows7-x64systemwindows
  • submitted
    12/08/2024, 12:29

General

  • Target
    FileApp.exe
  • Size 720.8MB
  • Sample240812-ppalxsvfre
  • SHA256 847bb424d852a1443fb522145959a7b35aca8ece5497a8e53a6b4e2cc0284974
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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.

  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FileApp.exe
    "C:\Users\Admin\AppData\Local\Temp\FileApp.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2228
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /k move Gangbang Gangbang.cmd && Gangbang.cmd && exit
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2720
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2604
      • C:\Windows\SysWOW64\findstr.exe
        findstr /I "wrsa.exe opssvc.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2248
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2828
      • C:\Windows\SysWOW64\findstr.exe
        findstr /I "avastui.exe avgui.exe bdservicehost.exe ekrn.exe nswscsvc.exe sophoshealth.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2768
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c md 837180
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2600
      • C:\Windows\SysWOW64\findstr.exe
        findstr /V "impossibleobservercastchess" Lab
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2224
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c copy /b ..\Profile + ..\Workshops + ..\Shorter + ..\Dj + ..\Hundred + ..\Road + ..\Thumbnail + ..\Saying + ..\Discretion + ..\Subtle + ..\Construction + ..\Pour + ..\Promoted H
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1180
      • C:\Users\Admin\AppData\Local\Temp\837180\Hammer.pif
        Hammer.pif H
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:436
      • C:\Windows\SysWOW64\choice.exe
        choice /d y /t 5
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2540

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        H

        • Path C:\Users\Admin\AppData\Local\Temp\837180\H
        • Size 961KB
        • SHA256 a4527738f8023f4ad52b373ec75fa1e2c3e9335acf3a27e888197cd589d9f1ad
        • MD5 SHA1 SHA512 SSDEEP

        Hammer.pif

        • Path C:\Users\Admin\AppData\Local\Temp\837180\Hammer.pif
        • Size 872KB
        • SHA256 237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d
        • MD5 SHA1 SHA512 SSDEEP

        Construction

        • Path C:\Users\Admin\AppData\Local\Temp\Construction
        • Size 64KB
        • SHA256 426be0ca5792350680049d970f334dc1fbbdaf66114d24e09fa80906ec34b776
        • MD5 SHA1 SHA512 SSDEEP

        Discretion

        • Path C:\Users\Admin\AppData\Local\Temp\Discretion
        • Size 68KB
        • SHA256 2ba9d55815b75a3be300ca0890a53e7c2ee16b3f1f838330a54d69d36f0a16b7
        • MD5 SHA1 SHA512 SSDEEP

        Dj

        • Path C:\Users\Admin\AppData\Local\Temp\Dj
        • Size 57KB
        • SHA256 4a2b039829f85a86c707f74a41a7beb37538d2b454fac710b0809c54148b3807
        • MD5 SHA1 SHA512 SSDEEP

        Gangbang

        • Path C:\Users\Admin\AppData\Local\Temp\Gangbang
        • Size 10KB
        • SHA256 83987053484edb2fc303a5193f28ece6a04f6acd565982e741e6d762a612c503
        • MD5 SHA1 SHA512 SSDEEP

        Hundred

        • Path C:\Users\Admin\AppData\Local\Temp\Hundred
        • Size 84KB
        • SHA256 f8686358fbc1aaaffadd9ea6986bef68bd929bcf73fb37f532c011a68857a2a2
        • MD5 SHA1 SHA512 SSDEEP

        Lab

        • Path C:\Users\Admin\AppData\Local\Temp\Lab
        • Size 246B
        • SHA256 88f14ad9388326b6e394a08dc148a2cad54138045425d29d96aced194ef3971c
        • MD5 SHA1 SHA512

        Pour

        • Path C:\Users\Admin\AppData\Local\Temp\Pour
        • Size 68KB
        • SHA256 94903a5d7ac0e84fa19bbdd0d602c80441c8f4d23423097b01949c77178c6728
        • MD5 SHA1 SHA512 SSDEEP

        Profile

        • Path C:\Users\Admin\AppData\Local\Temp\Profile
        • Size 94KB
        • SHA256 e5132a088632c91c887d41ca8b8d1ba1fea7b5aa53825ff7573f944e0e62d8ed
        • MD5 SHA1 SHA512 SSDEEP

        Promoted

        • Path C:\Users\Admin\AppData\Local\Temp\Promoted
        • Size 30KB
        • SHA256 56b38de77277a818e9dddb8307434fee6beed8a26faf4ebb80e311991bf424a7
        • MD5 SHA1 SHA512 SSDEEP

        Road

        • Path C:\Users\Admin\AppData\Local\Temp\Road
        • Size 95KB
        • SHA256 7947fbebaf67fcc58a8bb63fed61e58438417bfac1fa96dea17074a9dc9be517
        • MD5 SHA1 SHA512 SSDEEP

        Saying

        • Path C:\Users\Admin\AppData\Local\Temp\Saying
        • Size 61KB
        • SHA256 af5d9928830d143a6ebe2acfd80b2b72069014cb837c31a49bdd4f9787c37478
        • MD5 SHA1 SHA512 SSDEEP

        Shorter

        • Path C:\Users\Admin\AppData\Local\Temp\Shorter
        • Size 61KB
        • SHA256 de37514375e9381e37106d01d14cc5373d095c39e052ee3188d6c116c71d0f05
        • MD5 SHA1 SHA512 SSDEEP

        Subtle

        • Path C:\Users\Admin\AppData\Local\Temp\Subtle
        • Size 87KB
        • SHA256 eaf4752558ab39b7a4a4b7d0d7203b74504f021ccd194699b76c2a9b9a05f920
        • MD5 SHA1 SHA512 SSDEEP

        Thumbnail

        • Path C:\Users\Admin\AppData\Local\Temp\Thumbnail
        • Size 94KB
        • SHA256 5482b87c25a05c32d77893bbcbb1b1817199322a8f8613b1049f5d5ab8704596
        • MD5 SHA1 SHA512 SSDEEP

        Voted

        • Path C:\Users\Admin\AppData\Local\Temp\Voted
        • Size 872KB
        • SHA256 9d03f13e829dbecb8b059bd970a097c90c47123385d1e1da70848b5201916cfc
        • MD5 SHA1 SHA512 SSDEEP

        Workshops

        • Path C:\Users\Admin\AppData\Local\Temp\Workshops
        • Size 98KB
        • SHA256 6c38a581bd72888557074ac4dc0172d2d4c8a3cc38f5f6f12fcf49ec9e69ff59
        • MD5 SHA1 SHA512 SSDEEP

        memory/436-41-0x0000000003D00000-0x0000000003DC5000-memory.dmp

        memory/436-43-0x0000000003D00000-0x0000000003DC5000-memory.dmp

        memory/436-42-0x0000000003D00000-0x0000000003DC5000-memory.dmp

        memory/436-46-0x0000000003D00000-0x0000000003DC5000-memory.dmp

        memory/436-45-0x0000000003D00000-0x0000000003DC5000-memory.dmp

        memory/436-44-0x0000000003D00000-0x0000000003DC5000-memory.dmp

        memory/436-47-0x0000000003D00000-0x0000000003DC5000-memory.dmp