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Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/03/2025, 21:41

General

  • Target

    JaffaCakes118_8829cb426dee54d1cf2339b8b21baad6.exe

  • Size

    1.0MB

  • MD5

    8829cb426dee54d1cf2339b8b21baad6

  • SHA1

    a611b6df88d336a954771a1e11d64804cbc7b462

  • SHA256

    9c042c16846ff1758640e91f8330ade0ff9ecdb5986729fd4dbe2e675c60b0e8

  • SHA512

    2e7aa42fc4dd705063cccf486aff793d24855fc4b6c98adcff3815201513a9cb906e3d9b6da240d035c6f6e030268c5d47da88d3cf595575d3b5438e20734a1d

  • SSDEEP

    24576:5q1PfooX+m8nd/bIqwMgtZhp8D93K7XQJPN7q3gnL:IYdgvR/0RNCu

Malware Config

Signatures

  • Blackshades

    Blackshades is a remote access trojan with various capabilities.

  • Blackshades family
  • Blackshades payload 12 IoCs
  • ISR Stealer

    ISR Stealer is a modified version of Hackhound Stealer written in visual basic.

  • ISR Stealer payload 1 IoCs
  • Isrstealer family
  • Modifies firewall policy service 3 TTPs 10 IoCs
  • Detected Nirsoft tools 3 IoCs

    Free utilities often used by attackers which can steal passwords, product keys, etc.

  • NirSoft WebBrowserPassView 3 IoCs

    Password recovery tool for various web browsers

  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Adds Run key to start application 2 TTPs 3 IoCs
  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 13 IoCs

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

  • Modifies registry class 3 IoCs
  • Modifies registry key 1 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 53 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8829cb426dee54d1cf2339b8b21baad6.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8829cb426dee54d1cf2339b8b21baad6.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Drops autorun.inf file
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3756
    • C:\Users\Admin\AppData\Local\Temp\plugtmp\Windows.exe
      C:\Users\Admin\AppData\Local\Temp\\plugtmp\Windows.exe
      2⤵
      • Adds policy Run key to start application
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3472
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4912
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:1660
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\plugtmp\Windows.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\plugtmp\Windows.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4032
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\plugtmp\Windows.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\plugtmp\Windows.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:1008
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5040
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:4516
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\BlackShades.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\BlackShades.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1460
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\BlackShades.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\BlackShades.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:4752
    • C:\Users\Admin\AppData\Local\Temp\Server.exe
      "C:\Users\Admin\AppData\Local\Temp\Server.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1248
      • C:\Users\Admin\AppData\Local\Temp\Server.exe
        "C:\Users\Admin\AppData\Local\Temp\Server.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1296
        • C:\Users\Admin\AppData\Local\Temp\Server.exe
          "C:\Users\Admin\AppData\Local\Temp\Server.exe" /scomma C:\Users\Admin\AppData\Local\Temp\data.dmp
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:4904

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Server.exe

    Filesize

    320KB

    MD5

    a05432afae58619c13eb0f655930ee9b

    SHA1

    e58b2de5c7e662d28d556a45e2c3078b0381c7de

    SHA256

    25300e4e9dfdd23eec67b33e9f83097d3d977203c28b425027acdb61ebec16c7

    SHA512

    d6cccaaa0ea86a0c9c4494b338dd490b3d61e78984fab2d7c23ce497eae01ac512bfef3b023b785624d8b4b8154e0c48d1bd2c76c8cc9470c1c9dddde9b2b564

  • C:\Users\Admin\AppData\Local\Temp\plugtmp\Windows.exe

    Filesize

    1.1MB

    MD5

    d881de17aa8f2e2c08cbb7b265f928f9

    SHA1

    08936aebc87decf0af6e8eada191062b5e65ac2a

    SHA256

    b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

    SHA512

    5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

  • memory/1296-34-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/1296-32-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/1296-30-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/3472-52-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/3472-58-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/3472-7-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/3472-66-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/3472-63-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/3472-61-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/3472-60-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/3472-59-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/3472-11-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/3472-55-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/3472-54-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/3472-49-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/3756-51-0x0000000001390000-0x00000000013A0000-memory.dmp

    Filesize

    64KB

  • memory/3756-0-0x0000000075532000-0x0000000075533000-memory.dmp

    Filesize

    4KB

  • memory/3756-48-0x0000000075530000-0x0000000075AE1000-memory.dmp

    Filesize

    5.7MB

  • memory/3756-47-0x0000000075532000-0x0000000075533000-memory.dmp

    Filesize

    4KB

  • memory/3756-46-0x0000000001390000-0x00000000013A0000-memory.dmp

    Filesize

    64KB

  • memory/3756-1-0x0000000075530000-0x0000000075AE1000-memory.dmp

    Filesize

    5.7MB

  • memory/3756-2-0x0000000075530000-0x0000000075AE1000-memory.dmp

    Filesize

    5.7MB

  • memory/4904-33-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/4904-39-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/4904-37-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB