Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    08-12-2024 10:48

General

  • Target

    2024-12-08_d55fe7738b03967957161f97b24c900b_karagany_mafia.exe

  • Size

    6.0MB

  • MD5

    d55fe7738b03967957161f97b24c900b

  • SHA1

    9a6039d4c2117345b2a6af1a088c7c7b4b6aa236

  • SHA256

    317e36772fc378f6d3e38a5841286709e38f8ac967811d9cb98619137ccd4b67

  • SHA512

    751c466626e70cfdc5c82645f99f60f3268dc182c52ad0e7f8464c4f5709669c7d88a9e0de9de96cc6255f89d5d5411bfcf963010d1bf99839d37304473c856d

  • SSDEEP

    98304:7XJ2XjVKNkXiShwXPD6L+r3ZU2B1KQI58F8/aMkDr05QaUj1FX8T55dCL3QrJrMX:nShoPD6yr5BUz82/GEQBX8rAL3a

Malware Config

Signatures

  • Glupteba

    Glupteba is a modular loader written in Golang with various components.

  • Glupteba family
  • Glupteba payload 16 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Windows security modification 2 TTPs 12 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs

    Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

  • Drops file in Windows directory 3 IoCs
  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 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 3 IoCs

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

  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-12-08_d55fe7738b03967957161f97b24c900b_karagany_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-08_d55fe7738b03967957161f97b24c900b_karagany_mafia.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2580
    • C:\Users\Admin\AppData\Local\Temp\2024-12-08_d55fe7738b03967957161f97b24c900b_karagany_mafia.exe
      "C:\Users\Admin\AppData\Local\Temp\2024-12-08_d55fe7738b03967957161f97b24c900b_karagany_mafia.exe"
      2⤵
      • Windows security bypass
      • Loads dropped DLL
      • Windows security modification
      • Adds Run key to start application
      • Checks for VirtualBox DLLs, possible anti-VM trick
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2516
      • C:\Windows\system32\cmd.exe
        C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2880
        • C:\Windows\system32\netsh.exe
          netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          • Modifies data under HKEY_USERS
          PID:2704
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe /6-mafia
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Modifies data under HKEY_USERS
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        PID:2728
  • C:\Windows\system32\makecab.exe
    "C:\Windows\system32\makecab.exe" C:\Windows\Logs\CBS\CbsPersist_20241208104814.log C:\Windows\Logs\CBS\CbsPersist_20241208104814.cab
    1⤵
    • Drops file in Windows directory
    PID:2228

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Windows\rss\csrss.exe

    Filesize

    6.0MB

    MD5

    d55fe7738b03967957161f97b24c900b

    SHA1

    9a6039d4c2117345b2a6af1a088c7c7b4b6aa236

    SHA256

    317e36772fc378f6d3e38a5841286709e38f8ac967811d9cb98619137ccd4b67

    SHA512

    751c466626e70cfdc5c82645f99f60f3268dc182c52ad0e7f8464c4f5709669c7d88a9e0de9de96cc6255f89d5d5411bfcf963010d1bf99839d37304473c856d

  • memory/2516-7-0x0000000006040000-0x0000000006509000-memory.dmp

    Filesize

    4.8MB

  • memory/2516-16-0x0000000000400000-0x000000000427C000-memory.dmp

    Filesize

    62.5MB

  • memory/2580-0-0x0000000006180000-0x0000000006649000-memory.dmp

    Filesize

    4.8MB

  • memory/2580-1-0x0000000006180000-0x0000000006649000-memory.dmp

    Filesize

    4.8MB

  • memory/2580-2-0x0000000006650000-0x0000000006D20000-memory.dmp

    Filesize

    6.8MB

  • memory/2580-3-0x0000000000400000-0x0000000000AEB000-memory.dmp

    Filesize

    6.9MB

  • memory/2580-6-0x0000000000400000-0x0000000000AEB000-memory.dmp

    Filesize

    6.9MB

  • memory/2580-4-0x0000000000400000-0x000000000427C000-memory.dmp

    Filesize

    62.5MB

  • memory/2580-5-0x0000000006650000-0x0000000006D20000-memory.dmp

    Filesize

    6.8MB

  • memory/2728-17-0x0000000006180000-0x0000000006649000-memory.dmp

    Filesize

    4.8MB

  • memory/2728-18-0x0000000000400000-0x000000000427C000-memory.dmp

    Filesize

    62.5MB

  • memory/2728-31-0x0000000000400000-0x000000000427C000-memory.dmp

    Filesize

    62.5MB

  • memory/2728-32-0x0000000000400000-0x000000000427C000-memory.dmp

    Filesize

    62.5MB

  • memory/2728-34-0x0000000000400000-0x000000000427C000-memory.dmp

    Filesize

    62.5MB

  • memory/2728-35-0x0000000000400000-0x000000000427C000-memory.dmp

    Filesize

    62.5MB

  • memory/2728-37-0x0000000000400000-0x000000000427C000-memory.dmp

    Filesize

    62.5MB

  • memory/2728-38-0x0000000000400000-0x000000000427C000-memory.dmp

    Filesize

    62.5MB

  • memory/2728-40-0x0000000000400000-0x000000000427C000-memory.dmp

    Filesize

    62.5MB

  • memory/2728-41-0x0000000000400000-0x000000000427C000-memory.dmp

    Filesize

    62.5MB

  • memory/2728-42-0x0000000000400000-0x000000000427C000-memory.dmp

    Filesize

    62.5MB