Analysis

  • max time kernel
    8s
  • max time network
    159s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    24-05-2022 21:27

General

  • Target

    857305aac2852c804b0c37f237a098db3007cfded1fde6fd6dd5c4cb261d7bef.exe

  • Size

    4.2MB

  • MD5

    a4cb05cc6d5cdf278edbbed2c65ef0a9

  • SHA1

    6a7518bc87321192d598044db3036389cfb7420d

  • SHA256

    857305aac2852c804b0c37f237a098db3007cfded1fde6fd6dd5c4cb261d7bef

  • SHA512

    e086914151a7e238740d816ea63672804e7e5c587a4db231a1d40091d8e54db960463038efdee5aee0ab9aba187d17f70e5bc72ba1265b6a8c2ed467a793823a

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 4 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 5 IoCs
  • UPX packed file 2 IoCs

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

  • Loads dropped DLL 4 IoCs
  • Drops file in Program Files directory 20 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
  • Runs .reg file with regedit 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 47 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\857305aac2852c804b0c37f237a098db3007cfded1fde6fd6dd5c4cb261d7bef.exe
    "C:\Users\Admin\AppData\Local\Temp\857305aac2852c804b0c37f237a098db3007cfded1fde6fd6dd5c4cb261d7bef.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:780
    • C:\Program Files\fotowob dl9 4ainikoB.exe
      "C:\Program Files\fotowob dl9 4ainikoB.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:1808
  • C:\Windows\SysWOW64\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Program Files (x86)\install.vbs"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:804
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Program Files (x86)\install.bat" "
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1396
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im rfusclient.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1816
      • C:\Windows\SysWOW64\reg.exe
        reg delete "HKLM\SYSTEM\Remote Manipulator System" /f
        3⤵
          PID:1764
        • C:\Windows\SysWOW64\regedit.exe
          regedit /s "regedit.reg"
          3⤵
          • Runs .reg file with regedit
          PID:560
        • C:\Windows\SysWOW64\timeout.exe
          timeout 2
          3⤵
          • Delays execution with timeout.exe
          PID:612
        • C:\Program Files (x86)\rutserv.exe
          rutserv.exe /silentinstall
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1008
        • C:\Program Files (x86)\rutserv.exe
          rutserv.exe /firewall
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          PID:1368
        • C:\Program Files (x86)\rutserv.exe
          rutserv.exe /start
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1332
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /f /im rutserv.exe
      1⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:1804
    • C:\Program Files (x86)\rutserv.exe
      "C:\Program Files (x86)\rutserv.exe"
      1⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:576
      • C:\Program Files (x86)\rfusclient.exe
        "C:\Program Files (x86)\rfusclient.exe"
        2⤵
          PID:1388
          • C:\Program Files (x86)\rfusclient.exe
            "C:\Program Files (x86)\rfusclient.exe" /tray
            3⤵
              PID:1660
          • C:\Program Files (x86)\rfusclient.exe
            "C:\Program Files (x86)\rfusclient.exe" /tray
            2⤵
              PID:1752

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

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

            Filesize

            480B

            MD5

            99db27d776e103cad354b531ee1f20b9

            SHA1

            0b82d146df8528f66d1d14756f211fd3a8b1b91a

            SHA256

            240020a1a1941d1455135b5cb134e502a13b148be16cbb1552482aa03c29f8f3

            SHA512

            bc2ed33495c0a752397b2f1b9b7ba65f94ea5be82dde74c618342c83b68f1b92a4783b672cd427843533799e1af0875e0fd000b12236852e9e2fa93005d7ac69

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

            Filesize

            117B

            MD5

            65fc32766a238ff3e95984e325357dbb

            SHA1

            3ac16a2648410be8aa75f3e2817fbf69bb0e8922

            SHA256

            a7b067e9e4d44efe579c7cdb1e847d61af2323d3d73c6fffb22e178ae476f420

            SHA512

            621e81fc2d0f9dd92413481864638a140bee94c7dbd31f944826b21bd6ad6b8a59e63de9f7f0025cffc0efb7f9975dde77f523510ee23ada62c152a63a22f608

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

            Filesize

            11KB

            MD5

            34a03eb1fb7183626daa373a1eddce76

            SHA1

            c6ab3d85c53dd00dbc6de440ac6ec809df75a2af

            SHA256

            792330a349cab17bc0cb416315ee3bb640bb56effec3dfba8b9fd10594a33131

            SHA512

            3d0da1093491f7eb99188c634935e6f79947add11e4371eed36ef1c4d2e8228c5acd1c2912df2ea8de098b21b9e1dbaf6c518e2e88ebea00656c6fa56facd85d

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

            Filesize

            1.5MB

            MD5

            b8667a1e84567fcf7821bcefb6a444af

            SHA1

            9c1f91fe77ad357c8f81205d65c9067a270d61f0

            SHA256

            dc9d875e659421a51addd8e8a362c926369e84320ab0c5d8bbb1e4d12d372fc9

            SHA512

            ec6af663a3b41719d684f04504746f91196105ef6f8baa013b4bd02df6684eca49049d5517691f8e3a4ba6351fe35545a27f728b1d29d949e950d574a012f852

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

            Filesize

            1.7MB

            MD5

            37a8802017a212bb7f5255abc7857969

            SHA1

            cb10c0d343c54538d12db8ed664d0a1fa35b6109

            SHA256

            1699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6

            SHA512

            4e20141da8ea4499daf8be5cc41b664dc4229e9575765caf6dc5873d8d0a09f9e200988e1404e767d0415005876a4cf38d5737bd3e1b2c12c4a8fb28adb4f0a0

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

            Filesize

            1.7MB

            MD5

            37a8802017a212bb7f5255abc7857969

            SHA1

            cb10c0d343c54538d12db8ed664d0a1fa35b6109

            SHA256

            1699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6

            SHA512

            4e20141da8ea4499daf8be5cc41b664dc4229e9575765caf6dc5873d8d0a09f9e200988e1404e767d0415005876a4cf38d5737bd3e1b2c12c4a8fb28adb4f0a0

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

            Filesize

            155KB

            MD5

            88318158527985702f61d169434a4940

            SHA1

            3cc751ba256b5727eb0713aad6f554ff1e7bca57

            SHA256

            4c04d7968a9fe9d9258968d3a722263334bbf5f8af972f206a71f17fa293aa74

            SHA512

            5d88562b6c6d2a5b14390512712819238cd838914f7c48a27f017827cb9b825c24ff05a30333427acec93cd836e8f04158b86d17e6ac3dd62c55b2e2ff4e2aff

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

            Filesize

            593KB

            MD5

            6298c0af3d1d563834a218a9cc9f54bd

            SHA1

            0185cd591e454ed072e5a5077b25c612f6849dc9

            SHA256

            81af82019d9f45a697a8ca1788f2c5c0205af9892efd94879dedf4bc06db4172

            SHA512

            389d89053689537cdb582c0e8a7951a84549f0c36484db4346c31bdbe7cb93141f6a354069eb13e550297dc8ec35cd6899746e0c16abc876a0fe542cc450fffe

          • C:\Program Files\fotowob dl9 4ainikoB.exe

            Filesize

            3.4MB

            MD5

            f2a0daeaf787e45e2776f1eda7076e7b

            SHA1

            6b349491d40334b862924f035c2a27fd8a776224

            SHA256

            54e5e524978ffc52f4f91b81f5ee2cc788099713d804bde717092697b89dad97

            SHA512

            92eeeac08cf3099ebaa04d67411173ee2edeab7ffe0a1323cf996a3705ba3cafa2b0ba6b9a4c264ae2568235e00d965057387f8c9d028eecd03bd95dcfe430aa

          • C:\Program Files\fotowob dl9 4ainikoB.exe

            Filesize

            3.9MB

            MD5

            0bb039f8259bcc38deb8badd719fc1dd

            SHA1

            f83b103e04ed540bd3cebe41bbce946289587ef2

            SHA256

            bdf0176a1d78d7b2479cf459aa818aeef40a24b2c80bd9f2c44dd1b072499acd

            SHA512

            e2c8545fd4bc23a7f4a440732066cb5c0c350ea05d598ef0bb1c564af760119573ab10092935bfb342497727eb6d9ef66b83d4bf01575481664862df923aa559

          • \Program Files (x86)\rfusclient.exe

            Filesize

            1.5MB

            MD5

            b8667a1e84567fcf7821bcefb6a444af

            SHA1

            9c1f91fe77ad357c8f81205d65c9067a270d61f0

            SHA256

            dc9d875e659421a51addd8e8a362c926369e84320ab0c5d8bbb1e4d12d372fc9

            SHA512

            ec6af663a3b41719d684f04504746f91196105ef6f8baa013b4bd02df6684eca49049d5517691f8e3a4ba6351fe35545a27f728b1d29d949e950d574a012f852

          • \Program Files\fotowob dl9 4ainikoB.exe

            Filesize

            4.0MB

            MD5

            d86dbee37099458bdc3c3b9c4d8182f2

            SHA1

            80c4437e1291a7f0d9798c4f07512d8672455111

            SHA256

            0a9a12a52e024d1f7ee6b67b30183df5825646060d615ce54336dbc17c95ad24

            SHA512

            108b79bfc4b7291e09eff1a90115f8311e02ee26f002b6601c0a65c0f819424d5286daca55005dba0a40047f7ed45c3bd2341662de7590680dd4491cdf67bd09

          • \Program Files\fotowob dl9 4ainikoB.exe

            Filesize

            4.0MB

            MD5

            d86dbee37099458bdc3c3b9c4d8182f2

            SHA1

            80c4437e1291a7f0d9798c4f07512d8672455111

            SHA256

            0a9a12a52e024d1f7ee6b67b30183df5825646060d615ce54336dbc17c95ad24

            SHA512

            108b79bfc4b7291e09eff1a90115f8311e02ee26f002b6601c0a65c0f819424d5286daca55005dba0a40047f7ed45c3bd2341662de7590680dd4491cdf67bd09

          • \Program Files\fotowob dl9 4ainikoB.exe

            Filesize

            4.0MB

            MD5

            d86dbee37099458bdc3c3b9c4d8182f2

            SHA1

            80c4437e1291a7f0d9798c4f07512d8672455111

            SHA256

            0a9a12a52e024d1f7ee6b67b30183df5825646060d615ce54336dbc17c95ad24

            SHA512

            108b79bfc4b7291e09eff1a90115f8311e02ee26f002b6601c0a65c0f819424d5286daca55005dba0a40047f7ed45c3bd2341662de7590680dd4491cdf67bd09

          • memory/576-104-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/576-107-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/576-108-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/576-105-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/576-106-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/780-54-0x0000000076531000-0x0000000076533000-memory.dmp

            Filesize

            8KB

          • memory/1008-82-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/1008-79-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/1008-84-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/1008-83-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/1008-81-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/1008-80-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/1332-98-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/1332-120-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/1332-101-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/1332-100-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/1332-97-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/1332-99-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/1368-91-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/1368-93-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/1368-90-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/1368-89-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/1368-88-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/1368-92-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/1388-123-0x0000000000400000-0x00000000009B6000-memory.dmp

            Filesize

            5.7MB

          • memory/1388-125-0x0000000000400000-0x00000000009B6000-memory.dmp

            Filesize

            5.7MB

          • memory/1388-127-0x0000000000400000-0x00000000009B6000-memory.dmp

            Filesize

            5.7MB

          • memory/1388-128-0x0000000000400000-0x00000000009B6000-memory.dmp

            Filesize

            5.7MB

          • memory/1388-122-0x0000000000400000-0x00000000009B6000-memory.dmp

            Filesize

            5.7MB

          • memory/1660-139-0x0000000000400000-0x00000000009B6000-memory.dmp

            Filesize

            5.7MB

          • memory/1660-137-0x0000000000400000-0x00000000009B6000-memory.dmp

            Filesize

            5.7MB

          • memory/1660-135-0x0000000000400000-0x00000000009B6000-memory.dmp

            Filesize

            5.7MB

          • memory/1660-136-0x0000000000400000-0x00000000009B6000-memory.dmp

            Filesize

            5.7MB

          • memory/1660-134-0x0000000000400000-0x00000000009B6000-memory.dmp

            Filesize

            5.7MB

          • memory/1660-138-0x0000000000400000-0x00000000009B6000-memory.dmp

            Filesize

            5.7MB

          • memory/1752-129-0x0000000000400000-0x00000000009B6000-memory.dmp

            Filesize

            5.7MB

          • memory/1752-130-0x0000000000400000-0x00000000009B6000-memory.dmp

            Filesize

            5.7MB

          • memory/1752-126-0x0000000000400000-0x00000000009B6000-memory.dmp

            Filesize

            5.7MB

          • memory/1752-124-0x0000000000400000-0x00000000009B6000-memory.dmp

            Filesize

            5.7MB

          • memory/1752-121-0x0000000000400000-0x00000000009B6000-memory.dmp

            Filesize

            5.7MB