Resubmissions

30/07/2024, 21:22

240730-z732astepd 10

30/07/2024, 21:18

240730-z5vl5szalj 10

30/07/2024, 21:06

240730-zx8h2atala 10

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/07/2024, 21:22

General

  • Target

    Injectorka.exe

  • Size

    93KB

  • MD5

    c40c09bf0ce0defbe50f123e8d6a6174

  • SHA1

    d39b7893f4ec53f38e3d05051097fb6cfee2ff7f

  • SHA256

    272f68e5e473b2b091e97ee249a7a95aedef51070dcaf94211e573771477a672

  • SHA512

    8f5a3b47ae47e0be43ad2925adc36b661c75f64bec2b3e797fc744925cdc186a1dda85ba2907e5a621f0c61a47662e1d3874ee8b3f7c8b31d79ba6ed3af069c4

  • SSDEEP

    768:RY3PI530YTXspgM0m2zGjpyDtdXWuDtXYLWhyXxrjEtCdnl2pi1Rz4Rk3zsGdpD3:8IZ0AA0mT1mrWnL5jEwzGi1dD/DDgS

Malware Config

Signatures

  • Disables Task Manager via registry modification
  • Modifies Windows Firewall 2 TTPs 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 6 IoCs
  • Executes dropped EXE 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 9 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Injectorka.exe
    "C:\Users\Admin\AppData\Local\Temp\Injectorka.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3580
    • C:\Users\Admin\AppData\Roaming\server.exe
      "C:\Users\Admin\AppData\Roaming\server.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3204
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:376
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe"
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:3500
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:3796

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\app

    Filesize

    5B

    MD5

    b66e20886f9675fe4dbf430ea2d0bf8d

    SHA1

    2e676da72201e6e4482e00b300511900c6aee5a0

    SHA256

    899a421c56c18058cbdd16dd7fb313a57d36c1189ca0f442070ed01d17241414

    SHA512

    f431616522f775de27ccde420f0de6f8b3477fbe97cfd8001864b8289a570916a6dd32c84fcf8af6083d8c1b47c61aa5c73ed1e7cc75213d3f24bd94a93cb870

  • C:\Users\Admin\AppData\Roaming\server.exe

    Filesize

    93KB

    MD5

    c40c09bf0ce0defbe50f123e8d6a6174

    SHA1

    d39b7893f4ec53f38e3d05051097fb6cfee2ff7f

    SHA256

    272f68e5e473b2b091e97ee249a7a95aedef51070dcaf94211e573771477a672

    SHA512

    8f5a3b47ae47e0be43ad2925adc36b661c75f64bec2b3e797fc744925cdc186a1dda85ba2907e5a621f0c61a47662e1d3874ee8b3f7c8b31d79ba6ed3af069c4

  • memory/3204-14-0x0000000074FD0000-0x0000000075581000-memory.dmp

    Filesize

    5.7MB

  • memory/3204-15-0x0000000074FD0000-0x0000000075581000-memory.dmp

    Filesize

    5.7MB

  • memory/3204-42-0x0000000074FD0000-0x0000000075581000-memory.dmp

    Filesize

    5.7MB

  • memory/3580-0-0x0000000074FD2000-0x0000000074FD3000-memory.dmp

    Filesize

    4KB

  • memory/3580-1-0x0000000074FD0000-0x0000000075581000-memory.dmp

    Filesize

    5.7MB

  • memory/3580-2-0x0000000074FD0000-0x0000000075581000-memory.dmp

    Filesize

    5.7MB

  • memory/3580-13-0x0000000074FD0000-0x0000000075581000-memory.dmp

    Filesize

    5.7MB