Analysis

  • max time kernel
    185s
  • max time network
    205s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-07-2022 03:53

General

  • Target

    fc3c4a1a84f274189cf22b84a31885f4bab983967776811ffe822c11407d46fd.exe

  • Size

    4.5MB

  • MD5

    8e8c75e5772888d100c514691835a197

  • SHA1

    4aae7021cb6a4fd67831f9c27a78abde7cc73829

  • SHA256

    fc3c4a1a84f274189cf22b84a31885f4bab983967776811ffe822c11407d46fd

  • SHA512

    b38c48629c824e52b3d2997dee32a35a44169fb6d508bbbe24b308ba7b5b2eba7bbe383642f4ffdb8ce4241633b5a78dfdebc685ebf652ccf1315362fabb1d87

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 9 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 7 IoCs
  • Sets file to hidden 1 TTPs 2 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • UPX packed file 2 IoCs

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

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Drops file in Program Files directory 28 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). Likely ransomware behaviour.

  • Delays execution with timeout.exe 2 IoCs
  • Kills process with taskkill 4 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 9 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 63 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fc3c4a1a84f274189cf22b84a31885f4bab983967776811ffe822c11407d46fd.exe
    "C:\Users\Admin\AppData\Local\Temp\fc3c4a1a84f274189cf22b84a31885f4bab983967776811ffe822c11407d46fd.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1232
    • 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:840
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Program Files (x86)\System\install.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4252
        • 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:2704
        • 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:4772
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill /f /im rutserv.exe
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:3048
        • C:\Windows\SysWOW64\taskkill.exe
          Taskkill /f /im rutserv.exe
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:1792
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill /f /im rfusclient.exe
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:4924
        • C:\Windows\SysWOW64\taskkill.exe
          Taskkill /f /im rfusclient.exe
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:4028
        • C:\Windows\SysWOW64\reg.exe
          reg delete "HKLM\SYSTEM\Remote Manipulator System" /f
          4⤵
            PID:4612
          • C:\Windows\SysWOW64\regedit.exe
            regedit /s "regedit.reg"
            4⤵
            • Runs .reg file with regedit
            PID:2092
          • C:\Windows\SysWOW64\timeout.exe
            timeout 2
            4⤵
            • Delays execution with timeout.exe
            PID:3472
          • 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:4884
          • C:\Program Files (x86)\System\rutserv.exe
            rutserv.exe /firewall
            4⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of SetWindowsHookEx
            PID:2900
          • 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:2708
          • C:\Windows\SysWOW64\sc.exe
            sc failure RManService reset= 0 actions= restart/1000/restart/1000/restart/1000
            4⤵
            • Launches sc.exe
            PID:3204
          • C:\Windows\SysWOW64\sc.exe
            sc config RManService obj= LocalSystem type= interact type= own
            4⤵
            • Launches sc.exe
            PID:1724
          • C:\Windows\SysWOW64\sc.exe
            sc config RManService DisplayName= "Windows_Defender v6.3"
            4⤵
            • Launches sc.exe
            PID:1920
          • C:\Windows\SysWOW64\timeout.exe
            timeout 120
            4⤵
            • Delays execution with timeout.exe
            PID:400
    • 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:4228
      • C:\Program Files (x86)\System\rfusclient.exe
        "C:\Program Files (x86)\System\rfusclient.exe" /tray
        2⤵
        • Executes dropped EXE
        PID:560
      • 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:5032
        • C:\Program Files (x86)\System\rfusclient.exe
          "C:\Program Files (x86)\System\rfusclient.exe" /tray
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: SetClipboardViewer
          PID:3508

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      Filesize

      1KB

      MD5

      b7519e0676d90e9c896ea697747fbc0a

      SHA1

      2ecc46df4005d4f59dd14e0e295048c21627368e

      SHA256

      832c6ea94d1917802dd336f63e4bdc2bf479e383b8cb61db64dbd767c60df392

      SHA512

      8fdf85c236645100a2c1e219c20948d5d428a3ad4ae93bdcae4f12e2a5d5e7fddba4bde3afa87c42f82479eb00c4a45252e52e8821863193e87c77692c463eaa

    • 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\rfusclient.exe

      Filesize

      1.5MB

      MD5

      b8667a1e84567fcf7821bcefb6a444af

      SHA1

      9c1f91fe77ad357c8f81205d65c9067a270d61f0

      SHA256

      dc9d875e659421a51addd8e8a362c926369e84320ab0c5d8bbb1e4d12d372fc9

      SHA512

      ec6af663a3b41719d684f04504746f91196105ef6f8baa013b4bd02df6684eca49049d5517691f8e3a4ba6351fe35545a27f728b1d29d949e950d574a012f852

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

      Filesize

      1.5MB

      MD5

      b8667a1e84567fcf7821bcefb6a444af

      SHA1

      9c1f91fe77ad357c8f81205d65c9067a270d61f0

      SHA256

      dc9d875e659421a51addd8e8a362c926369e84320ab0c5d8bbb1e4d12d372fc9

      SHA512

      ec6af663a3b41719d684f04504746f91196105ef6f8baa013b4bd02df6684eca49049d5517691f8e3a4ba6351fe35545a27f728b1d29d949e950d574a012f852

    • 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\rutserv.exe

      Filesize

      1.7MB

      MD5

      37a8802017a212bb7f5255abc7857969

      SHA1

      cb10c0d343c54538d12db8ed664d0a1fa35b6109

      SHA256

      1699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6

      SHA512

      4e20141da8ea4499daf8be5cc41b664dc4229e9575765caf6dc5873d8d0a09f9e200988e1404e767d0415005876a4cf38d5737bd3e1b2c12c4a8fb28adb4f0a0

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

      Filesize

      1.7MB

      MD5

      37a8802017a212bb7f5255abc7857969

      SHA1

      cb10c0d343c54538d12db8ed664d0a1fa35b6109

      SHA256

      1699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6

      SHA512

      4e20141da8ea4499daf8be5cc41b664dc4229e9575765caf6dc5873d8d0a09f9e200988e1404e767d0415005876a4cf38d5737bd3e1b2c12c4a8fb28adb4f0a0

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

      Filesize

      1.7MB

      MD5

      37a8802017a212bb7f5255abc7857969

      SHA1

      cb10c0d343c54538d12db8ed664d0a1fa35b6109

      SHA256

      1699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6

      SHA512

      4e20141da8ea4499daf8be5cc41b664dc4229e9575765caf6dc5873d8d0a09f9e200988e1404e767d0415005876a4cf38d5737bd3e1b2c12c4a8fb28adb4f0a0

    • 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/560-195-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/560-194-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/560-192-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/560-187-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/560-185-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/2708-168-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/2708-189-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/2708-172-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/2708-171-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/2708-170-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/2708-169-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/2900-165-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/2900-164-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/2900-163-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/2900-162-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/2900-161-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/2900-160-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/3508-206-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/3508-202-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/3508-204-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/3508-207-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/3508-203-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/3508-205-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/4228-183-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/4228-177-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/4228-174-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/4228-176-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/4228-175-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/4228-178-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/4884-154-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/4884-152-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/4884-155-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/4884-156-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/4884-157-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/4884-151-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/4884-153-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/5032-188-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/5032-193-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/5032-191-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/5032-190-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/5032-186-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB