Analysis

  • max time kernel
    140s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    22-03-2024 09:52

General

  • Target

    aut7C05.exe

  • Size

    4.5MB

  • MD5

    f9a9b17c831721033458d59bf69f45b6

  • SHA1

    472313a8a15aca343cf669cfc61a9ae65279e06b

  • SHA256

    9276d1bb2cd48fdf46161deaf7ad4b0dbcef9655d462584e104bd3f2a8c944ce

  • SHA512

    653a5c77ada9c4b80b64ae5183bc43102b32db75272d84be9201150af7f80d96a96ab68042a17f68551f60a39053f529bee0ec527e20ab5c1d6c100a504feda8

  • SSDEEP

    98304:V5xj2G4KJi7pqIx/nysBa5VOGnSL0QitFbfFcDluO4OP4kGHd9seAAo80CWhe:VmzKQ7pLnysBawAbGtuN0CW8

Malware Config

Signatures

  • RMS

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

  • UAC bypass 3 TTPs 3 IoCs
  • Windows security bypass 2 TTPs 1 IoCs
  • ACProtect 1.3x - 1.4x DLL software 2 IoCs

    Detects file using ACProtect software.

  • ASPack v2.12-2.42 10 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 8 IoCs
  • Loads dropped DLL 6 IoCs
  • UPX packed file 2 IoCs

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

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • 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).

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 2 IoCs
  • Modifies registry class 3 IoCs
  • Runs .reg file with regedit 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 39 IoCs
  • Suspicious behavior: SetClipboardViewer 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aut7C05.exe
    "C:\Users\Admin\AppData\Local\Temp\aut7C05.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:3012
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\ProgramData\Windows\install.vbs"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2432
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Programdata\Windows\install.bat" "
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:3024
        • C:\Windows\SysWOW64\regedit.exe
          regedit /s "reg1.reg"
          4⤵
          • UAC bypass
          • Windows security bypass
          • Runs .reg file with regedit
          PID:2880
        • C:\Windows\SysWOW64\regedit.exe
          regedit /s "reg2.reg"
          4⤵
          • Runs .reg file with regedit
          PID:576
        • C:\Windows\SysWOW64\timeout.exe
          timeout 2
          4⤵
          • Delays execution with timeout.exe
          PID:676
        • C:\ProgramData\Windows\rutserv.exe
          rutserv.exe /silentinstall
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:468
        • C:\ProgramData\Windows\rutserv.exe
          rutserv.exe /firewall
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          PID:2700
        • C:\ProgramData\Windows\rutserv.exe
          rutserv.exe /start
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2868
        • C:\Windows\SysWOW64\attrib.exe
          ATTRIB +H +S C:\Programdata\Windows\*.*
          4⤵
          • Views/modifies file attributes
          PID:2672
        • C:\Windows\SysWOW64\attrib.exe
          ATTRIB +H +S C:\Programdata\Windows
          4⤵
          • Views/modifies file attributes
          PID:1860
        • C:\Windows\SysWOW64\sc.exe
          sc failure RManService reset= 0 actions= restart/1000/restart/1000/restart/1000
          4⤵
          • Launches sc.exe
          PID:2348
        • C:\Windows\SysWOW64\sc.exe
          sc config RManService obj= LocalSystem type= interact type= own
          4⤵
          • Launches sc.exe
          PID:1088
        • C:\Windows\SysWOW64\sc.exe
          sc config RManService DisplayName= "Microsoft Framework"
          4⤵
          • Launches sc.exe
          PID:1108
    • C:\ProgramData\Windows\winit.exe
      "C:\ProgramData\Windows\winit.exe"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      PID:2000
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c C:\Programdata\Install\del.bat
        3⤵
          PID:1328
          • C:\Windows\SysWOW64\timeout.exe
            timeout 5
            4⤵
            • Delays execution with timeout.exe
            PID:2960
    • C:\ProgramData\Windows\rutserv.exe
      C:\ProgramData\Windows\rutserv.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2076
      • C:\ProgramData\Windows\rfusclient.exe
        C:\ProgramData\Windows\rfusclient.exe
        2⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:1852
        • C:\ProgramData\Windows\rfusclient.exe
          C:\ProgramData\Windows\rfusclient.exe /tray
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: SetClipboardViewer
          PID:856
      • C:\ProgramData\Windows\rfusclient.exe
        C:\ProgramData\Windows\rfusclient.exe /tray
        2⤵
        • Executes dropped EXE
        PID:1868

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\ProgramData\Install\del.bat

      Filesize

      61B

      MD5

      398a9ce9f398761d4fe45928111a9e18

      SHA1

      caa84e9626433fec567089a17f9bcca9f8380e62

      SHA256

      e376f2a9dda89354311b1064ea4559e720739d526ef7da0518ebfd413cd19fc1

      SHA512

      45255ffea86db71fcfcde1325b54d604a19276b462c8cca92cf5233a630510484a0ecb4d3e9f66733e2127c30c869c23171249cfac3bb39ff4e467830cd4b26b

    • C:\ProgramData\Windows\install.vbs

      Filesize

      140B

      MD5

      5e36713ab310d29f2bdd1c93f2f0cad2

      SHA1

      7e768cca6bce132e4e9132e8a00a1786e6351178

      SHA256

      cd8df8b0c43c36aabb0a960e4444b000a04eb513f0b34e12dbfd098944e40931

      SHA512

      8e5cf90470163143aee75b593e52fcc39e6477cd69a522ee77fa2589ea22b8a3a1c23614d3a677c8017fba0bf4b320a4e47c56a9a7f176dbf51db88d9d8e52c1

    • C:\ProgramData\Windows\reg1.reg

      Filesize

      12KB

      MD5

      806734f8bff06b21e470515e314cfa0d

      SHA1

      d4ef2552f6e04620f7f3d05f156c64888c9c97ee

      SHA256

      7ae7e4c0155f559f3c31be25d9e129672a88b445af5847746fe0a9aab3e79544

      SHA512

      007a79f0023a792057b81483f7428956ab99896dd1c8053cac299de5834ac25da2f6f77b63f6c7d46c51ed7a91b8eccb1c082043028326bfa0bfcb47f2b0d207

    • C:\ProgramData\Windows\reg2.reg

      Filesize

      1KB

      MD5

      6a5d2192b8ad9e96a2736c8b0bdbd06e

      SHA1

      235a78495192fc33f13af3710d0fe44e86a771c9

      SHA256

      4ae04a85412ec3daa0fb33f21ed4eb3c4864c3668b95712be9ec36ef7658422a

      SHA512

      411204a0a1cdbe610830fb0be09fd86c579bb5cccf46e2e74d075a5693fe7924e1e2ba121aa824af66c7521fcc452088b2301321d9d7eb163bee322f2f58640d

    • C:\ProgramData\Windows\rfusclient.exe

      Filesize

      1.3MB

      MD5

      265e321b81dd1b4012885f7187c17134

      SHA1

      ac318ca9f61e60b9d2552374978c1f24a1ef3373

      SHA256

      6e1027be84195ee12e37147cd43bbb74c4e019a3292894c1566697fc296f450f

      SHA512

      2e0f339a7470cdc433680336983ade513993a6493de9777ecc2af9695c45f4cd973971dad514cca5bae1f2136f271dc427904ba8d95b32486a8fdecb4a4cd25e

    • C:\ProgramData\Windows\rfusclient.exe

      Filesize

      22KB

      MD5

      20cc481def5e0b4cf08b259aeda470ab

      SHA1

      718c2776cac976464448147c000dca05f3e4ce07

      SHA256

      7fc73bb8291e91222c3aaf9370391b910ae423af6eb835212da24f070c35d6e5

      SHA512

      6b40dba41a46d13cf01d2bd29606fb9eb0cf877c7dc8425d57592550a8adf784b0fba5bd380cefc38db2bf8dc9b7559b5ae83d3ec2b60227fd9237c682a84378

    • C:\ProgramData\Windows\rfusclient.exe

      Filesize

      1.5MB

      MD5

      b8667a1e84567fcf7821bcefb6a444af

      SHA1

      9c1f91fe77ad357c8f81205d65c9067a270d61f0

      SHA256

      dc9d875e659421a51addd8e8a362c926369e84320ab0c5d8bbb1e4d12d372fc9

      SHA512

      ec6af663a3b41719d684f04504746f91196105ef6f8baa013b4bd02df6684eca49049d5517691f8e3a4ba6351fe35545a27f728b1d29d949e950d574a012f852

    • C:\ProgramData\Windows\rfusclient.exe

      Filesize

      630KB

      MD5

      9f987478bbe0153eee82ac2eb1fa2c7c

      SHA1

      3a3a2ec55431d2101b097c696efc3896d2ea7924

      SHA256

      245f291e2edc366bba662d5c7acf54fc5edca1784a8438e8ab02efea86bc4039

      SHA512

      41c638f32ac33a84032883156b8eb4114221a5250406dde24c5532f4ab932a00c8819ab049cd8a21baff2dce5e97c4c05927ae1560a7e217026893c06aabdcf4

    • C:\ProgramData\Windows\rutserv.exe

      Filesize

      64KB

      MD5

      a93ffb21131ea4dc0f1a18f023a93e68

      SHA1

      ca8c389c79a9ca442920d93c4612451f50110f3a

      SHA256

      67f5a3110dc58b25f1ee7f0fc555f8ec1161b3c0d1ca8dee20db873db7a75e8c

      SHA512

      be939ea48eea8211b1089378db154fd47bb268e2f1de84d72798db79c7e89a7e4aa01cf3ddc7962cb2333db7a1f1484064a2b65218e2715f868c76d52ea319fe

    • C:\ProgramData\Windows\rutserv.exe

      Filesize

      1.7MB

      MD5

      37a8802017a212bb7f5255abc7857969

      SHA1

      cb10c0d343c54538d12db8ed664d0a1fa35b6109

      SHA256

      1699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6

      SHA512

      4e20141da8ea4499daf8be5cc41b664dc4229e9575765caf6dc5873d8d0a09f9e200988e1404e767d0415005876a4cf38d5737bd3e1b2c12c4a8fb28adb4f0a0

    • C:\ProgramData\Windows\rutserv.exe

      Filesize

      15KB

      MD5

      000deaa095e9363d382ff2ef41bdb759

      SHA1

      af7869c8eebaffd01135097d6618bd275641002b

      SHA256

      3bedb54fed64bab323954d50339f66a8742c45ad32b4f119586bab0c3c807f77

      SHA512

      39672b9bebbf477de9797a584ec8315038719df37f2cc1f891278109d374202190f98976f0c1aef2c7104cbbbe355c70cf7cc34ca9b9308ca928e75c9b0cc7fb

    • C:\ProgramData\Windows\rutserv.exe

      Filesize

      1.1MB

      MD5

      f1d690f5343e1759562963556bfb8368

      SHA1

      76061ba2571de9c1bd493f42b6ac2448da5e99ea

      SHA256

      8b773134c2c6c1c55a126c3cf84f1f0e80fe3275bc4417f89da1e955a493d25e

      SHA512

      68ce5bb1493eabc6e77e62bb27f1c7bd424479a959158b6d635d158be3790a2158d42f76e5bf653ac6a76311d9150f7c6f8048c42a8c519aa0f1145d1173c80a

    • C:\ProgramData\Windows\rutserv.exe

      Filesize

      99KB

      MD5

      65c5009178e8c0d2bfa031fbb8efe23e

      SHA1

      9a4929ad43cda086b435596152c3629e0161de2e

      SHA256

      d0db5a7cf5c5c5c07ec542d94b4533a704592757a9486440f39d0a3a9afefb65

      SHA512

      74fbc711d12dd545cadd4d53afa51527167f0390da3867f2d333a249a1ca79f392c8f39898a4ae98709edb31576872fa23e77d84718793567bb14c28e62abae0

    • C:\ProgramData\Windows\vp8decoder.dll

      Filesize

      155KB

      MD5

      88318158527985702f61d169434a4940

      SHA1

      3cc751ba256b5727eb0713aad6f554ff1e7bca57

      SHA256

      4c04d7968a9fe9d9258968d3a722263334bbf5f8af972f206a71f17fa293aa74

      SHA512

      5d88562b6c6d2a5b14390512712819238cd838914f7c48a27f017827cb9b825c24ff05a30333427acec93cd836e8f04158b86d17e6ac3dd62c55b2e2ff4e2aff

    • C:\ProgramData\Windows\vp8encoder.dll

      Filesize

      48KB

      MD5

      3889bd6ee4134d3fc1a78e480c6a5186

      SHA1

      21834f44f2eb5395e57872cd2a388a1e4d77f2a9

      SHA256

      ca3bfe63a09bb7a1f8d1cbba0e68523b9dd84dbf9af0ee903223fbe3eb52f793

      SHA512

      14d62c3d169bdc3aff85f3dd96de16ef0895a280af07eb64319eb5e7c3f5d4763e0ae6aabad0ed00ff1b4ac89d2d7629d715246b8790037db49ec26ab45f0024

    • C:\Programdata\Windows\install.bat

      Filesize

      418B

      MD5

      db76c882184e8d2bac56865c8e88f8fd

      SHA1

      fc6324751da75b665f82a3ad0dcc36bf4b91dfac

      SHA256

      e3db831cdb021d6221be26a36800844e9af13811bac9e4961ac21671dff9207a

      SHA512

      da3ca7a3429bb9250cc8b6e33f25b5335a5383d440b16940e4b6e6aca82f2b673d8a01419606746a8171106f31c37bfcdb5c8e33e57fce44c8edb475779aea92

    • \ProgramData\Windows\rfusclient.exe

      Filesize

      879KB

      MD5

      9200b6435dc36152bab62369797a02b7

      SHA1

      bdc68b273d96053122c2344be69953864acf68e7

      SHA256

      b612817a019b5f1b74f30bc2a4bcb235281fac54e0f339961f71138f9c54f235

      SHA512

      c3216472c2634eea8fa56d309603ce4e847cfc9fac0385d30e85a663e9379625f64baeb5ac4a7195ee225e8be9f7e3e06402cd3d5f2420eaaa075f4055f9f41b

    • \ProgramData\Windows\winit.exe

      Filesize

      961KB

      MD5

      03a781bb33a21a742be31deb053221f3

      SHA1

      3951c17d7cadfc4450c40b05adeeb9df8d4fb578

      SHA256

      e95fc3e7ed9ec61ba7214cc3fe5d869e2ee22abbeac3052501813bb2b6dde210

      SHA512

      010a599491a8819be6bd6e8ba3f2198d8f8d668b6f18edda4408a890a2769e251b3515d510926a1479cc1fa011b15eba660d97deccd6e1fb4f2d277a5d062d45

    • memory/468-49-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/468-48-0x00000000001C0000-0x00000000001C1000-memory.dmp

      Filesize

      4KB

    • memory/468-47-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/468-46-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/468-45-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/468-42-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/468-44-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/468-43-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/856-126-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/856-123-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/856-124-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/856-125-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/856-127-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/856-128-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/1852-80-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/1852-82-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/1852-77-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/1852-85-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/1852-74-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/1868-81-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/1868-84-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/1868-78-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/1868-79-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/1868-83-0x0000000000400000-0x00000000009B6000-memory.dmp

      Filesize

      5.7MB

    • memory/2076-67-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/2076-66-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/2076-68-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/2076-65-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/2076-64-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/2700-56-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/2700-55-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/2700-54-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/2700-53-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/2700-52-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/2700-51-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/2868-62-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/2868-61-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/2868-60-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/2868-59-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/2868-58-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/2868-76-0x0000000000400000-0x0000000000AB9000-memory.dmp

      Filesize

      6.7MB

    • memory/3024-41-0x0000000001FD0000-0x0000000002689000-memory.dmp

      Filesize

      6.7MB