Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    29-10-2024 11:28

General

  • Target

    7c15fb3e213e1071e2f4fe2656ff8c72_JaffaCakes118.exe

  • Size

    3.2MB

  • MD5

    7c15fb3e213e1071e2f4fe2656ff8c72

  • SHA1

    3f1a13661076f7ef318dc6e23a9299481a1176e5

  • SHA256

    ba195a7c0affd458a7ecd4cdb1d04638a4d3f6c36b45e994bc055df1b59351df

  • SHA512

    17f9d42e18d1d559d2852734eadfc70e1882e9a9c49913f3a01a01048c173d8a48c2aa9126675a035b6ea5bcbd78ebf613bc3636a7972d8417dbe5a0760bb3fb

  • SSDEEP

    49152:m32jqCCU1B51m84CU+sen2MGm2Dr5vdezjjygGTcE:

Malware Config

Signatures

  • Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

  • Darkcomet family
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies firewall policy service 3 TTPs 3 IoCs
  • Modifies security service 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 2 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 8 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Windows security modification 2 TTPs 2 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • UPX packed file 19 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 15 IoCs

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

  • Checks processor information in registry 2 TTPs 8 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry key 1 TTPs 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 47 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 56 IoCs
  • System policy modification 1 TTPs 3 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7c15fb3e213e1071e2f4fe2656ff8c72_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\7c15fb3e213e1071e2f4fe2656ff8c72_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1692
    • C:\ProgramData\ZVgjyUVfojNc\vQidSyHIGLvpwan\4.14.38.7752\msnmsgr.exe
      "C:\ProgramData\ZVgjyUVfojNc\vQidSyHIGLvpwan\4.14.38.7752\msnmsgr.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2808
      • C:\Users\Admin\AppData\Roaming\UttVdqSmRpHhIT\btczjtzvIYnuwG\3.10.28.5527\Server-UNIQUE.exe
        "C:\Users\Admin\AppData\Roaming\UttVdqSmRpHhIT\btczjtzvIYnuwG\3.10.28.5527\Server-UNIQUE.exe"
        3⤵
        • Modifies WinLogon for persistence
        • Checks BIOS information in registry
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2856
        • C:\Users\Admin\Documents\Adobe\Flash.exe
          "C:\Users\Admin\Documents\Adobe\Flash.exe"
          4⤵
          • Modifies firewall policy service
          • Modifies security service
          • Windows security bypass
          • Disables RegEdit via registry modification
          • Checks BIOS information in registry
          • Executes dropped EXE
          • Windows security modification
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Enumerates system info in registry
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • System policy modification
          PID:2836
      • C:\Users\Admin\AppData\Roaming\UttVdqSmRpHhIT\btczjtzvIYnuwG\3.10.28.5527\Server.exe
        "C:\Users\Admin\AppData\Roaming\UttVdqSmRpHhIT\btczjtzvIYnuwG\3.10.28.5527\Server.exe"
        3⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook profiles
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        • outlook_win_path
        PID:2596
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\System32\cmd.exe /k %windir%\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:788
          • C:\Windows\SysWOW64\reg.exe
            C:\Windows\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
            5⤵
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:2896
        • C:\Windows\SysWOW64\REG.exe
          REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoRun /t REG_DWORD /d 1 /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:2052
        • C:\Windows\SysWOW64\REG.exe
          REG add HKCU\Software\Policies\Microsoft\Windows\System /v DisableCMD /t REG_DWORD /d 1 /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:2164
        • C:\Windows\SysWOW64\REG.exe
          REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableRegistryTools /t REG_DWORD /d 1 /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:1892
        • C:\Windows\SysWOW64\REG.exe
          REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoViewContextMenu /t REG_DWORD /d 1 /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:2056
        • C:\Windows\SysWOW64\REG.exe
          REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoFolderInfo /t REG_DWORD /d 1 /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:1820
        • C:\Windows\SysWOW64\REG.exe
          REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:1004
        • C:\Windows\SysWOW64\REG.exe
          REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoControlPanel /t REG_DWORD /d 1 /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:1768
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
        dw20.exe -x -s 676
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2392

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\5GWW47WY\errorPageStrings[1]

    Filesize

    2KB

    MD5

    e3e4a98353f119b80b323302f26b78fa

    SHA1

    20ee35a370cdd3a8a7d04b506410300fd0a6a864

    SHA256

    9466d620dc57835a2475f8f71e304f54aee7160e134ba160baae0f19e5e71e66

    SHA512

    d8e4d73c76804a5abebd5dbc3a86dcdb6e73107b873175a8de67332c113fb7c4899890bf7972e467866fa4cd100a7e2a10a770e5a9c41cbf23b54351b771dcee

  • C:\Users\Admin\AppData\Roaming\UttVdqSmRpHhIT\btczjtzvIYnuwG\3.10.28.5527\Server-UNIQUE.exe

    Filesize

    271KB

    MD5

    1509998b2d393d06ed8b5a9c030a7eaa

    SHA1

    33ea1459094553f8eb00a1e7ae3cd7b11ca5bf92

    SHA256

    4d8dba29ee46718c9dfcaef8b91034e206e4a43074fd4244640e956d2adf2ac9

    SHA512

    4bc6d26c1b091c54caa0ec53138bbbc631d55dae3c90ae7aa5da9f3ef7ecc8706fae826a01bcaacea31639229fd4b510080f8fd3cc6f6295a0f62a3b05e1c597

  • \ProgramData\ZVgjyUVfojNc\vQidSyHIGLvpwan\4.14.38.7752\msnmsgr.exe

    Filesize

    2.4MB

    MD5

    e0f967a6368335d5760a6bf12cae6c97

    SHA1

    e247932bc6fb0a44269dbe19c988002293e5fbd8

    SHA256

    05fac676893fb3a710c844c18c43ed7919c51ed89082f1cd59a2204f778f9ead

    SHA512

    f3b3c25c2d881a21e4d49972cf01588dee48c99f949b15175c1f7bf1b658d2a5694740a7d33c464854ad206d17170d85aba32674ded168ed253d07536bde2548

  • \Users\Admin\AppData\Roaming\UttVdqSmRpHhIT\btczjtzvIYnuwG\3.10.28.5527\Server.exe

    Filesize

    354KB

    MD5

    c5589cd80095e8b4b94b2f07b4b964f4

    SHA1

    a0fc4779e2ccd83424a5bf91f65bf3ffaf3cc4b0

    SHA256

    e70537a0143fcc58dab732ffd40c653d8dd78e443be2d11fa07161938185ab96

    SHA512

    d5e2cf6b68f5979d2076b77011dd56160cba57b47bcc74b7f57085938075da48313bca458d200faf4026198ac58bb6cfc187f57be9770b5fdd8bc138b2628525

  • memory/1692-16-0x0000000074550000-0x0000000074AFB000-memory.dmp

    Filesize

    5.7MB

  • memory/1692-0-0x0000000074551000-0x0000000074552000-memory.dmp

    Filesize

    4KB

  • memory/1692-2-0x0000000074550000-0x0000000074AFB000-memory.dmp

    Filesize

    5.7MB

  • memory/1692-1-0x0000000074550000-0x0000000074AFB000-memory.dmp

    Filesize

    5.7MB

  • memory/2808-14-0x0000000074550000-0x0000000074AFB000-memory.dmp

    Filesize

    5.7MB

  • memory/2808-52-0x0000000074550000-0x0000000074AFB000-memory.dmp

    Filesize

    5.7MB

  • memory/2808-15-0x0000000074550000-0x0000000074AFB000-memory.dmp

    Filesize

    5.7MB

  • memory/2808-29-0x00000000050B0000-0x0000000005177000-memory.dmp

    Filesize

    796KB

  • memory/2808-28-0x00000000050B0000-0x0000000005177000-memory.dmp

    Filesize

    796KB

  • memory/2808-53-0x0000000074550000-0x0000000074AFB000-memory.dmp

    Filesize

    5.7MB

  • memory/2836-94-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/2836-93-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/2836-51-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/2836-54-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/2836-55-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/2836-56-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/2836-71-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/2836-102-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/2836-92-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/2836-101-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/2836-100-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/2836-95-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/2836-96-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/2836-97-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/2836-98-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/2836-99-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/2856-30-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/2856-50-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/2856-47-0x00000000056A0000-0x0000000005767000-memory.dmp

    Filesize

    796KB