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Analysis

  • max time kernel
    148s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    24/05/2022, 13:59

General

  • Target

    4075d90a29837ef0ee744c2d46f1564465531ab85e364215a8ebf6e7a42d466f.exe

  • Size

    4.2MB

  • MD5

    c8bab7efcb4909475ff4679da10dd7af

  • SHA1

    cd452cc559b2fb8adb47a8245d74487528b6ee23

  • SHA256

    4075d90a29837ef0ee744c2d46f1564465531ab85e364215a8ebf6e7a42d466f

  • SHA512

    5bd81d4282259d0652039d3eae3c361b66427fa9bbb6591a3df00a8b483e785ecf89f2a571f0e78429d805dfe839ca8af4d9cbf986e76878ba8166d431c4242c

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 8 IoCs
  • UPX packed file 2 IoCs

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

  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Drops file in Program Files directory 8 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 45 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4075d90a29837ef0ee744c2d46f1564465531ab85e364215a8ebf6e7a42d466f.exe
    "C:\Users\Admin\AppData\Local\Temp\4075d90a29837ef0ee744c2d46f1564465531ab85e364215a8ebf6e7a42d466f.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:776
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\program files\ gage\1.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4948
      • \??\c:\program files\ gage\zver.exe
        zver.exe -p123 -dc:\
        3⤵
        • Executes dropped EXE
        • Checks computer location settings
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:4836
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\install.vbs"
          4⤵
          • Checks computer location settings
          • Suspicious use of WriteProcessMemory
          PID:3064
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\install.bat" "
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:4404
            • C:\Windows\SysWOW64\taskkill.exe
              taskkill /f /im rutserv.exe
              6⤵
              • Kills process with taskkill
              • Suspicious use of AdjustPrivilegeToken
              PID:4352
            • C:\Windows\SysWOW64\taskkill.exe
              taskkill /f /im rfusclient.exe
              6⤵
              • Kills process with taskkill
              • Suspicious use of AdjustPrivilegeToken
              PID:1064
            • C:\Windows\SysWOW64\reg.exe
              reg delete "HKLM\SYSTEM\Remote Manipulator System" /f
              6⤵
                PID:3508
              • C:\Windows\SysWOW64\regedit.exe
                regedit /s "regedit.reg"
                6⤵
                • Runs .reg file with regedit
                PID:1676
              • C:\Windows\SysWOW64\timeout.exe
                timeout 2
                6⤵
                • Delays execution with timeout.exe
                PID:4752
              • \??\c:\rutserv.exe
                rutserv.exe /silentinstall
                6⤵
                • Executes dropped EXE
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of SetWindowsHookEx
                PID:1692
              • \??\c:\rutserv.exe
                rutserv.exe /firewall
                6⤵
                • Executes dropped EXE
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of SetWindowsHookEx
                PID:3532
              • \??\c:\rutserv.exe
                rutserv.exe /start
                6⤵
                • Executes dropped EXE
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of SetWindowsHookEx
                PID:1872
    • \??\c:\rutserv.exe
      c:\rutserv.exe
      1⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4840
      • \??\c:\rfusclient.exe
        c:\rfusclient.exe /tray
        2⤵
        • Executes dropped EXE
        PID:3256
      • \??\c:\rfusclient.exe
        c:\rfusclient.exe
        2⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4864
        • \??\c:\rfusclient.exe
          c:\rfusclient.exe /tray
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: SetClipboardViewer
          PID:1244

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Program Files\ gage\zver.exe

      Filesize

      4.1MB

      MD5

      5fb9e7b8488d2371d19cc23dc8a5773d

      SHA1

      fa908ea90cd99bea6290a62ebf4c53140e43fbf0

      SHA256

      0aac63a17439f31adb411a8d7de0cf2b1316fc2d9a5e3166fb74dc1053c805fc

      SHA512

      c6a9785f151267eeba0276c06019ea2adc18fe6fa4d9bd7ed3cb1072c793ecb7f08aad68c5d2ba7b75cb9c30c625169c5fe7522d52c22ff150a9b889a2f1b6dd

    • C:\install.bat

      Filesize

      292B

      MD5

      f7a8ec8ddddc852bf957097e73fc6ed2

      SHA1

      242ffef63ca3d801e9f1e1715bc65fbfb42d9808

      SHA256

      c41bf886f231850c85933f78fb7788d3b966015a5f91d628d1722abe5fcebd34

      SHA512

      a4033b64b8e41ab92a70810d5e4f344e6c192b560be2765823b90f08fd9c0a0336340b8f88e84f79bede47803b410a5200cb55c39612b679f119074f2e0add98

    • C:\install.vbs

      Filesize

      117B

      MD5

      65fc32766a238ff3e95984e325357dbb

      SHA1

      3ac16a2648410be8aa75f3e2817fbf69bb0e8922

      SHA256

      a7b067e9e4d44efe579c7cdb1e847d61af2323d3d73c6fffb22e178ae476f420

      SHA512

      621e81fc2d0f9dd92413481864638a140bee94c7dbd31f944826b21bd6ad6b8a59e63de9f7f0025cffc0efb7f9975dde77f523510ee23ada62c152a63a22f608

    • C:\program files\ gage\1.bat

      Filesize

      20B

      MD5

      459837ec2ed7bd214cca7fbedad2b25b

      SHA1

      a21ee51ed9385ce2f326a452a54813fcd5041a07

      SHA256

      d1f58abde0d436411a5209c0f94af77b23b66fbb84102e4eccb6d0e2cdd58b44

      SHA512

      ea87f62701df253eee2c2f9759e7d22cfe726bb82903de88e7f587603ec3b763a7aba15b5200265fd10db89361ad4e6a9ae6a5707ebfa8e245027d12b9660860

    • C:\rfusclient.exe

      Filesize

      1.5MB

      MD5

      b8667a1e84567fcf7821bcefb6a444af

      SHA1

      9c1f91fe77ad357c8f81205d65c9067a270d61f0

      SHA256

      dc9d875e659421a51addd8e8a362c926369e84320ab0c5d8bbb1e4d12d372fc9

      SHA512

      ec6af663a3b41719d684f04504746f91196105ef6f8baa013b4bd02df6684eca49049d5517691f8e3a4ba6351fe35545a27f728b1d29d949e950d574a012f852

    • C:\rfusclient.exe

      Filesize

      1.5MB

      MD5

      b8667a1e84567fcf7821bcefb6a444af

      SHA1

      9c1f91fe77ad357c8f81205d65c9067a270d61f0

      SHA256

      dc9d875e659421a51addd8e8a362c926369e84320ab0c5d8bbb1e4d12d372fc9

      SHA512

      ec6af663a3b41719d684f04504746f91196105ef6f8baa013b4bd02df6684eca49049d5517691f8e3a4ba6351fe35545a27f728b1d29d949e950d574a012f852

    • C:\rfusclient.exe

      Filesize

      1.5MB

      MD5

      b8667a1e84567fcf7821bcefb6a444af

      SHA1

      9c1f91fe77ad357c8f81205d65c9067a270d61f0

      SHA256

      dc9d875e659421a51addd8e8a362c926369e84320ab0c5d8bbb1e4d12d372fc9

      SHA512

      ec6af663a3b41719d684f04504746f91196105ef6f8baa013b4bd02df6684eca49049d5517691f8e3a4ba6351fe35545a27f728b1d29d949e950d574a012f852

    • C:\rutserv.exe

      Filesize

      1.7MB

      MD5

      37a8802017a212bb7f5255abc7857969

      SHA1

      cb10c0d343c54538d12db8ed664d0a1fa35b6109

      SHA256

      1699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6

      SHA512

      4e20141da8ea4499daf8be5cc41b664dc4229e9575765caf6dc5873d8d0a09f9e200988e1404e767d0415005876a4cf38d5737bd3e1b2c12c4a8fb28adb4f0a0

    • C:\rutserv.exe

      Filesize

      1.7MB

      MD5

      37a8802017a212bb7f5255abc7857969

      SHA1

      cb10c0d343c54538d12db8ed664d0a1fa35b6109

      SHA256

      1699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6

      SHA512

      4e20141da8ea4499daf8be5cc41b664dc4229e9575765caf6dc5873d8d0a09f9e200988e1404e767d0415005876a4cf38d5737bd3e1b2c12c4a8fb28adb4f0a0

    • C:\rutserv.exe

      Filesize

      1.7MB

      MD5

      37a8802017a212bb7f5255abc7857969

      SHA1

      cb10c0d343c54538d12db8ed664d0a1fa35b6109

      SHA256

      1699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6

      SHA512

      4e20141da8ea4499daf8be5cc41b664dc4229e9575765caf6dc5873d8d0a09f9e200988e1404e767d0415005876a4cf38d5737bd3e1b2c12c4a8fb28adb4f0a0

    • C:\rutserv.exe

      Filesize

      1.7MB

      MD5

      37a8802017a212bb7f5255abc7857969

      SHA1

      cb10c0d343c54538d12db8ed664d0a1fa35b6109

      SHA256

      1699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6

      SHA512

      4e20141da8ea4499daf8be5cc41b664dc4229e9575765caf6dc5873d8d0a09f9e200988e1404e767d0415005876a4cf38d5737bd3e1b2c12c4a8fb28adb4f0a0

    • \??\c:\program files\ gage\zver.exe

      Filesize

      4.1MB

      MD5

      5fb9e7b8488d2371d19cc23dc8a5773d

      SHA1

      fa908ea90cd99bea6290a62ebf4c53140e43fbf0

      SHA256

      0aac63a17439f31adb411a8d7de0cf2b1316fc2d9a5e3166fb74dc1053c805fc

      SHA512

      c6a9785f151267eeba0276c06019ea2adc18fe6fa4d9bd7ed3cb1072c793ecb7f08aad68c5d2ba7b75cb9c30c625169c5fe7522d52c22ff150a9b889a2f1b6dd

    • \??\c:\regedit.reg

      Filesize

      11KB

      MD5

      ea6dcdc7e952c392b407f7a2d447d3bf

      SHA1

      76655bf9d5e158a18f8c8c69887134605592e708

      SHA256

      daf75b59058b4851401e4bf6091b99ec8865061280863db18c68f324e8d510a8

      SHA512

      2ebca990a6f30d1dd4e5d2623890c6bfa361e21fb156d39ef6a01768cd2d1afefe8d134a6f05928e8aae2c53ef04a87d8df33555c00ccdbbe744930dbf253ccd

    • \??\c:\rfusclient.exe

      Filesize

      1.5MB

      MD5

      b8667a1e84567fcf7821bcefb6a444af

      SHA1

      9c1f91fe77ad357c8f81205d65c9067a270d61f0

      SHA256

      dc9d875e659421a51addd8e8a362c926369e84320ab0c5d8bbb1e4d12d372fc9

      SHA512

      ec6af663a3b41719d684f04504746f91196105ef6f8baa013b4bd02df6684eca49049d5517691f8e3a4ba6351fe35545a27f728b1d29d949e950d574a012f852

    • \??\c:\rutserv.exe

      Filesize

      1.7MB

      MD5

      37a8802017a212bb7f5255abc7857969

      SHA1

      cb10c0d343c54538d12db8ed664d0a1fa35b6109

      SHA256

      1699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6

      SHA512

      4e20141da8ea4499daf8be5cc41b664dc4229e9575765caf6dc5873d8d0a09f9e200988e1404e767d0415005876a4cf38d5737bd3e1b2c12c4a8fb28adb4f0a0

    • \??\c:\vp8decoder.dll

      Filesize

      155KB

      MD5

      88318158527985702f61d169434a4940

      SHA1

      3cc751ba256b5727eb0713aad6f554ff1e7bca57

      SHA256

      4c04d7968a9fe9d9258968d3a722263334bbf5f8af972f206a71f17fa293aa74

      SHA512

      5d88562b6c6d2a5b14390512712819238cd838914f7c48a27f017827cb9b825c24ff05a30333427acec93cd836e8f04158b86d17e6ac3dd62c55b2e2ff4e2aff

    • \??\c:\vp8encoder.dll

      Filesize

      593KB

      MD5

      6298c0af3d1d563834a218a9cc9f54bd

      SHA1

      0185cd591e454ed072e5a5077b25c612f6849dc9

      SHA256

      81af82019d9f45a697a8ca1788f2c5c0205af9892efd94879dedf4bc06db4172

      SHA512

      389d89053689537cdb582c0e8a7951a84549f0c36484db4346c31bdbe7cb93141f6a354069eb13e550297dc8ec35cd6899746e0c16abc876a0fe542cc450fffe

    • memory/1244-197-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/1244-198-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/1244-195-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/1244-200-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/1244-196-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/1244-199-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/1692-153-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/1692-152-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/1692-151-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/1692-150-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/1692-149-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/1692-148-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/1872-166-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/1872-164-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/1872-165-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/1872-182-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/1872-167-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/1872-168-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/3256-190-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/3256-184-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/3256-188-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/3256-192-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/3256-186-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/3532-161-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/3532-158-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/3532-157-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/3532-159-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/3532-156-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/3532-160-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/4840-173-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/4840-174-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/4840-172-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/4840-171-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/4840-170-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/4840-201-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/4864-189-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/4864-191-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/4864-187-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/4864-185-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/4864-183-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB