Analysis

  • max time kernel
    151s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-05-2024 13:19

General

  • Target

    80df2f0d4da5e61f4341c4d971170395_JaffaCakes118.exe

  • Size

    3.9MB

  • MD5

    80df2f0d4da5e61f4341c4d971170395

  • SHA1

    4246048db2e697a05f8dc252e3cb60f7ce83832a

  • SHA256

    915738e4e4df8462f006d169a1cdebc3f311f7250b794281f78fa24d90586e4b

  • SHA512

    8a78824845d3b5f235028dd19107a6a9469f5f1bb4b18d7e41e54e6aff1d76157e0866c1cdb6d0d46029bca4307afc501a50f04d03926902ff96d8ca44acf069

  • SSDEEP

    98304:b2tpzpptdlPk/vq1FXRF7LOmt64dcn1mx71J/T+BXuBFBrEy:b8tdcq1FXRxZtcnAJ1REXsBIy

Malware Config

Signatures

  • RMS

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

  • 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 7 IoCs
  • UPX packed file 4 IoCs

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

  • Drops file in Program Files directory 16 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Delays execution with timeout.exe 1 IoCs
  • Kills process with taskkill 2 IoCs
  • Modifies registry class 1 IoCs
  • Runs .reg file with regedit 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious behavior: SetClipboardViewer 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\80df2f0d4da5e61f4341c4d971170395_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\80df2f0d4da5e61f4341c4d971170395_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4656
    • 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:2160
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Program Files (x86)\System\install.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:224
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill /f /im rutserv.exe
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:4936
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill /f /im rfusclient.exe
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:696
        • C:\Windows\SysWOW64\reg.exe
          reg delete "HKLM\SYSTEM\Remote Manipulator System" /f
          4⤵
            PID:4324
          • C:\Windows\SysWOW64\regedit.exe
            regedit /s "regedit.reg"
            4⤵
            • Runs .reg file with regedit
            PID:1612
          • C:\Windows\SysWOW64\timeout.exe
            timeout 2
            4⤵
            • Delays execution with timeout.exe
            PID:1492
          • 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:1252
          • C:\Program Files (x86)\System\rutserv.exe
            rutserv.exe /firewall
            4⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of SetWindowsHookEx
            PID:2128
          • 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:4000
    • 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:3348
      • 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:1248
        • C:\Program Files (x86)\System\rfusclient.exe
          "C:\Program Files (x86)\System\rfusclient.exe" /tray
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: SetClipboardViewer
          PID:1456
      • C:\Program Files (x86)\System\rfusclient.exe
        "C:\Program Files (x86)\System\rfusclient.exe" /tray
        2⤵
        • Executes dropped EXE
        PID:664
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1268 --field-trial-handle=2280,i,4114443225282860369,4764091921472631035,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:1388

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        480B

        MD5

        99db27d776e103cad354b531ee1f20b9

        SHA1

        0b82d146df8528f66d1d14756f211fd3a8b1b91a

        SHA256

        240020a1a1941d1455135b5cb134e502a13b148be16cbb1552482aa03c29f8f3

        SHA512

        bc2ed33495c0a752397b2f1b9b7ba65f94ea5be82dde74c618342c83b68f1b92a4783b672cd427843533799e1af0875e0fd000b12236852e9e2fa93005d7ac69

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

        Filesize

        117B

        MD5

        65fc32766a238ff3e95984e325357dbb

        SHA1

        3ac16a2648410be8aa75f3e2817fbf69bb0e8922

        SHA256

        a7b067e9e4d44efe579c7cdb1e847d61af2323d3d73c6fffb22e178ae476f420

        SHA512

        621e81fc2d0f9dd92413481864638a140bee94c7dbd31f944826b21bd6ad6b8a59e63de9f7f0025cffc0efb7f9975dde77f523510ee23ada62c152a63a22f608

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

        Filesize

        11KB

        MD5

        e07d9ed7f410a5b1ee9b9d790c21dccd

        SHA1

        bf6b1a88220c78f6502399c6ddbcc30fa21a880c

        SHA256

        84bb424fe3412a9bff5284101e7dd0ee615a33094c4f404062e25f97fbac5d26

        SHA512

        699eafb0cffa275b4d72a3356bd2c163e418ad961f5448b91deb809eb147691be29d4d468b295cbb08f0ca21e8c9999fa185ffe2682c5b35317ab7827f8a083c

      • 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

      • memory/664-104-0x0000000000400000-0x00000000009B6000-memory.dmp

        Filesize

        5.7MB

      • memory/664-72-0x0000000000400000-0x00000000009B6000-memory.dmp

        Filesize

        5.7MB

      • memory/664-65-0x0000000000400000-0x00000000009B6000-memory.dmp

        Filesize

        5.7MB

      • memory/664-66-0x0000000000400000-0x00000000009B6000-memory.dmp

        Filesize

        5.7MB

      • memory/664-67-0x0000000000400000-0x00000000009B6000-memory.dmp

        Filesize

        5.7MB

      • memory/664-68-0x0000000000400000-0x00000000009B6000-memory.dmp

        Filesize

        5.7MB

      • memory/664-95-0x0000000000400000-0x00000000009B6000-memory.dmp

        Filesize

        5.7MB

      • memory/664-88-0x0000000000400000-0x00000000009B6000-memory.dmp

        Filesize

        5.7MB

      • memory/664-83-0x0000000000400000-0x00000000009B6000-memory.dmp

        Filesize

        5.7MB

      • memory/664-64-0x0000000000400000-0x00000000009B6000-memory.dmp

        Filesize

        5.7MB

      • memory/1248-82-0x0000000000400000-0x00000000009B6000-memory.dmp

        Filesize

        5.7MB

      • memory/1248-60-0x0000000000400000-0x00000000009B6000-memory.dmp

        Filesize

        5.7MB

      • memory/1248-58-0x0000000000400000-0x00000000009B6000-memory.dmp

        Filesize

        5.7MB

      • memory/1248-57-0x0000000000400000-0x00000000009B6000-memory.dmp

        Filesize

        5.7MB

      • memory/1248-59-0x0000000000400000-0x00000000009B6000-memory.dmp

        Filesize

        5.7MB

      • memory/1248-56-0x0000000000400000-0x00000000009B6000-memory.dmp

        Filesize

        5.7MB

      • memory/1248-71-0x0000000000400000-0x00000000009B6000-memory.dmp

        Filesize

        5.7MB

      • memory/1248-61-0x0000000000400000-0x00000000009B6000-memory.dmp

        Filesize

        5.7MB

      • memory/1252-28-0x0000000000400000-0x0000000000AB9000-memory.dmp

        Filesize

        6.7MB

      • memory/1252-26-0x0000000000400000-0x0000000000AB9000-memory.dmp

        Filesize

        6.7MB

      • memory/1252-29-0x0000000000400000-0x0000000000AB9000-memory.dmp

        Filesize

        6.7MB

      • memory/1252-27-0x0000000000400000-0x0000000000AB9000-memory.dmp

        Filesize

        6.7MB

      • memory/1252-25-0x0000000000400000-0x0000000000AB9000-memory.dmp

        Filesize

        6.7MB

      • memory/1252-24-0x0000000000400000-0x0000000000AB9000-memory.dmp

        Filesize

        6.7MB

      • memory/1252-30-0x0000000000400000-0x0000000000AB9000-memory.dmp

        Filesize

        6.7MB

      • memory/1456-74-0x0000000000400000-0x00000000009B6000-memory.dmp

        Filesize

        5.7MB

      • memory/1456-78-0x0000000000400000-0x00000000009B6000-memory.dmp

        Filesize

        5.7MB

      • memory/1456-80-0x0000000000400000-0x00000000009B6000-memory.dmp

        Filesize

        5.7MB

      • memory/1456-79-0x0000000000400000-0x00000000009B6000-memory.dmp

        Filesize

        5.7MB

      • memory/1456-75-0x0000000000400000-0x00000000009B6000-memory.dmp

        Filesize

        5.7MB

      • memory/1456-76-0x0000000000400000-0x00000000009B6000-memory.dmp

        Filesize

        5.7MB

      • memory/1456-77-0x0000000000400000-0x00000000009B6000-memory.dmp

        Filesize

        5.7MB

      • memory/2128-35-0x0000000000400000-0x0000000000AB9000-memory.dmp

        Filesize

        6.7MB

      • memory/2128-37-0x0000000000400000-0x0000000000AB9000-memory.dmp

        Filesize

        6.7MB

      • memory/2128-34-0x0000000000400000-0x0000000000AB9000-memory.dmp

        Filesize

        6.7MB

      • memory/2128-36-0x0000000000400000-0x0000000000AB9000-memory.dmp

        Filesize

        6.7MB

      • memory/2128-33-0x0000000000400000-0x0000000000AB9000-memory.dmp

        Filesize

        6.7MB

      • memory/2128-32-0x0000000000400000-0x0000000000AB9000-memory.dmp

        Filesize

        6.7MB

      • memory/3348-70-0x0000000000400000-0x0000000000AB9000-memory.dmp

        Filesize

        6.7MB

      • memory/3348-45-0x0000000000400000-0x0000000000AB9000-memory.dmp

        Filesize

        6.7MB

      • memory/3348-105-0x0000000000400000-0x0000000000AB9000-memory.dmp

        Filesize

        6.7MB

      • memory/3348-101-0x0000000000400000-0x0000000000AB9000-memory.dmp

        Filesize

        6.7MB

      • memory/3348-93-0x0000000000400000-0x0000000000AB9000-memory.dmp

        Filesize

        6.7MB

      • memory/3348-50-0x0000000000400000-0x0000000000AB9000-memory.dmp

        Filesize

        6.7MB

      • memory/3348-49-0x0000000000400000-0x0000000000AB9000-memory.dmp

        Filesize

        6.7MB

      • memory/3348-48-0x0000000000400000-0x0000000000AB9000-memory.dmp

        Filesize

        6.7MB

      • memory/3348-46-0x0000000000400000-0x0000000000AB9000-memory.dmp

        Filesize

        6.7MB

      • memory/3348-89-0x0000000000400000-0x0000000000AB9000-memory.dmp

        Filesize

        6.7MB

      • memory/3348-81-0x0000000000400000-0x0000000000AB9000-memory.dmp

        Filesize

        6.7MB

      • memory/3348-47-0x0000000000400000-0x0000000000AB9000-memory.dmp

        Filesize

        6.7MB

      • memory/4000-42-0x0000000000400000-0x0000000000AB9000-memory.dmp

        Filesize

        6.7MB

      • memory/4000-63-0x0000000000400000-0x0000000000AB9000-memory.dmp

        Filesize

        6.7MB

      • memory/4000-39-0x0000000000400000-0x0000000000AB9000-memory.dmp

        Filesize

        6.7MB

      • memory/4000-40-0x0000000000400000-0x0000000000AB9000-memory.dmp

        Filesize

        6.7MB

      • memory/4000-43-0x0000000000400000-0x0000000000AB9000-memory.dmp

        Filesize

        6.7MB

      • memory/4000-41-0x0000000000400000-0x0000000000AB9000-memory.dmp

        Filesize

        6.7MB

      • memory/4656-0-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/4656-19-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB