Analysis

  • max time kernel
    150s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-10-2024 23:44

General

  • Target

    3b03d8ee3dc4406d7be3d995552965ad4b4b9f1f3d106580820ce3e1fa62b2ca.exe

  • Size

    17.1MB

  • MD5

    2ac561231ba80f987b7bf1f6c3fb2c3b

  • SHA1

    9742aa5faeef8d90a116a5f86066acf72071ca26

  • SHA256

    3b03d8ee3dc4406d7be3d995552965ad4b4b9f1f3d106580820ce3e1fa62b2ca

  • SHA512

    4ea8a999b419472a3b4703535b4e6a3fe0a93de7bd44ef48dce11cf8d5bd7da8c72f585de9dad5534f270ff14f2ad5a16a5688498402cb1141d38a470fa34f50

  • SSDEEP

    393216:r93WcIGlUHbn+WE2WQoCyJ8ZKNhNUNXaRdeX:53W7bE2WQoVVhNaXaza

Malware Config

Signatures

  • RMS

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

  • Checks computer location settings 2 TTPs 4 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 4 IoCs
  • Drops file in System32 directory 14 IoCs
  • UPX packed file 2 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies data under HKEY_USERS 46 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3b03d8ee3dc4406d7be3d995552965ad4b4b9f1f3d106580820ce3e1fa62b2ca.exe
    "C:\Users\Admin\AppData\Local\Temp\3b03d8ee3dc4406d7be3d995552965ad4b4b9f1f3d106580820ce3e1fa62b2ca.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3968
    • C:\Users\Admin\AppData\Roaming\RMS Agent\70220\C10E65EE99\rfusclient.exe
      "C:\Users\Admin\AppData\Roaming\RMS Agent\70220\C10E65EE99\rfusclient.exe" -run_agent
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3984
      • C:\Users\Admin\AppData\Roaming\RMS Agent\70220\C10E65EE99\rutserv.exe
        "C:\Users\Admin\AppData\Roaming\RMS Agent\70220\C10E65EE99\rutserv.exe" -run_agent
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1248
        • C:\Users\Admin\AppData\Roaming\RMS Agent\70220\C10E65EE99\rutserv.exe
          "C:\Users\Admin\AppData\Roaming\RMS Agent\70220\C10E65EE99\rutserv.exe" -run_agent -second
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Drops file in System32 directory
          • System Location Discovery: System Language Discovery
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:3540
          • C:\Users\Admin\AppData\Roaming\RMS Agent\70220\C10E65EE99\rfusclient.exe
            "C:\Users\Admin\AppData\Roaming\RMS Agent\70220\C10E65EE99\rfusclient.exe" /tray /user
            5⤵
            • Checks computer location settings
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            PID:636
  • 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 --field-trial-handle=4008,i,15336851255456239337,16379811035920490645,262144 --variations-seed-version --mojo-platform-channel-handle=4100 /prefetch:8
    1⤵
      PID:1092

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\RMS Agent\70220\C10E65EE99\EULA.rtf

      Filesize

      133KB

      MD5

      7fd09e69fa62629a04d1e23bb8ca5ff6

      SHA1

      3952c5f339c8bbdf17aff113bcb0149ac8ce4fa6

      SHA256

      f9c56736029b7d278bf8fabc6e0f5bdac67e24b088f2172ea07df2baa3072c19

      SHA512

      e66d523eb5bdfc517749b608ffcd66b883be9c4b8c5c42dbf7e48fe412a5c0ca0876d0dbc8a68355e7bb532ce8749c5e444a25f996b4c27e382e79579ab2b59a

    • C:\Users\Admin\AppData\Roaming\RMS Agent\70220\C10E65EE99\branding.ini

      Filesize

      376B

      MD5

      b4db1dd8a734175ba9302fbccf334aaa

      SHA1

      a42f3006dd087a62ab4b8bfc9fece5b080b4dc52

      SHA256

      61887e6a22ce059c09bead6b2bef9f3e2444ee74cc3939bca8c23ccbd7198b23

      SHA512

      d0e8b340e58c5c33eabb665fe587485233a4cc24e513bfaf4cb9ace24b0ceaa97226e33c8a3d947b7cf0aac16847d102cbd7e6fcccad9cabe7f9882c7fdf42df

    • C:\Users\Admin\AppData\Roaming\RMS Agent\70220\C10E65EE99\eventmsg.dll

      Filesize

      51KB

      MD5

      4e84df6558c385bc781cddea34c9fba3

      SHA1

      6d63d87c19c11bdbfa484a5835ffffd7647296c8

      SHA256

      0526073f28a3b5999528bfa0e680d668922499124f783f02c52a3b25c367ef6d

      SHA512

      c35da0744568bfffeff09e6590d059e91e5d380c5feb3a0fbc5b19477ceca007a882884a7033345ce408fce1deac5248ad9b046656478d734fe494b787f8a9f2

    • C:\Users\Admin\AppData\Roaming\RMS Agent\70220\C10E65EE99\libeay32.dll

      Filesize

      1.3MB

      MD5

      5222eaf78313758b0520be16e3f8392e

      SHA1

      9c7cc8fb340618fef38422cf0c75c4c9bfb216e2

      SHA256

      4771b71a48190504094d104087dd431c1c40bde6fad0338a86aa42f7f2a457a5

      SHA512

      459503146f963c64777c56176e480e3334c5bcff2bfef14fc2925b38f1f32117c387dc957789e1691a68798c004c9e672460bda51edcc7b45fb0e1553bf66812

    • C:\Users\Admin\AppData\Roaming\RMS Agent\70220\C10E65EE99\logo.png

      Filesize

      5KB

      MD5

      6afe72d31e07025501ce76394e769ed5

      SHA1

      a6254ecf4004eb67e927b1f89ca671c89343d857

      SHA256

      a3e6d60bded010557eecede0f550f78f8d117ce67cf154c78daf2dedfaa8250c

      SHA512

      d5faff296c8be0b8fad67030a49efb58995f509dc1003111a17bb259fab6fc4e635dc13a441915883299983cdccee6f39a15fe0944c37cf0864d1c92ae619b24

    • C:\Users\Admin\AppData\Roaming\RMS Agent\70220\C10E65EE99\rfusclient.exe

      Filesize

      10.3MB

      MD5

      2edafb34eb63daee875fecc5b19246a2

      SHA1

      2a43141312241ba7f3830242f6934a0e1203350d

      SHA256

      cf49b75a2d687a2699a32f34bbebca1e5b65421ce0828c22e226dda1e26dd28b

      SHA512

      cf732dfc0151ece0fcd637ee1cd9d59a1728a587f6922646465c03b347a235211fe38459e96c7304cf88418a886a5441c93ee31e16b7917c94347013fdc606b3

    • C:\Users\Admin\AppData\Roaming\RMS Agent\70220\C10E65EE99\rutserv.exe

      Filesize

      20.2MB

      MD5

      4bd8516dc7c798b63b69b7b668d4fc20

      SHA1

      57f3a92681aa9e4a57ddf9b0ac5091c0e393053e

      SHA256

      399f620d9b547d9f9e5d41067e6cbe2d58714d4991901180fbac5661b149d077

      SHA512

      71469af6064d3e1d279a7b249d4cd18e8cf4abbf8375f35ca1f7287ae7b29848bb23dbfe0cc2962283a9fae6886aa64d328e165de9eb2198b82a6803ff348d81

    • C:\Users\Admin\AppData\Roaming\RMS Agent\70220\C10E65EE99\settings.dat

      Filesize

      7KB

      MD5

      91dfa7416e006a6c13247baa8a1b50e7

      SHA1

      b4a5fa20cb3cb866ea65ab7da6f0c4c3542da30e

      SHA256

      6efc5f8e35f8386e1cf5efaa48beb1c3c185a675f5cdebbb2ebf8c83fecb8441

      SHA512

      757742e9a2b633621f6f4147ec15b99efdb10f02f1a230d1c5fe4af6b697f1effa967b8e2593fab0abd3c4c2a8290b12f2eca733c05d05769263f4ab84a85efb

    • C:\Users\Admin\AppData\Roaming\RMS Agent\70220\C10E65EE99\ssleay32.dll

      Filesize

      337KB

      MD5

      90a4b7fc6807693e68dd32b68614d989

      SHA1

      785484ef531ca90f323d5b017fefcff05e68093a

      SHA256

      4f475bd6235d2f761f6c6dbdf3f4b2f35fc6a3787e6b1b28a1912e85cb9be2f6

      SHA512

      97b970cb24774f141042149ac53e45b3fc42f9ce911c0ca774aa3812f48d7744434bf31d217b2a8522439d0e3f71048cc916556c18a71be61b203c942373a81c

    • C:\Users\Admin\AppData\Roaming\RMS Agent\70220\C10E65EE99\vp8decoder.dll

      Filesize

      379KB

      MD5

      e247666cdea63da5a95aebc135908207

      SHA1

      4642f6c3973c41b7d1c9a73111a26c2d7ac9c392

      SHA256

      b419ed0374e3789b4f83d4af601f796d958e366562a0aaea5d2f81e82abdcf33

      SHA512

      06da11e694d5229783cfb058dcd04d855a1d0758beeaa97bcd886702a1502d0bf542e7890aa8f2e401be36ccf70376b5c091a5d328bb1abe738bc0798ab98a54

    • C:\Users\Admin\AppData\Roaming\RMS Agent\70220\C10E65EE99\vp8encoder.dll

      Filesize

      1.6MB

      MD5

      d5c2a6ac30e76b7c9b55adf1fe5c1e4a

      SHA1

      3d841eb48d1a32b511611d4b9e6eed71e2c373ee

      SHA256

      11c7004851e6e6624158990dc8abe3aa517bcab708364d469589ad0ca3dba428

      SHA512

      3c1c7fb535e779ac6c0d5aef2d4e9239f1c27136468738a0bd8587f91b99365a38808be31380be98fd74063d266654a6ac2c2e88861a3fe314a95f1296699e1d

    • C:\Users\Admin\AppData\Roaming\RMS Agent\70220\C10E65EE99\webmmux.dll

      Filesize

      259KB

      MD5

      49c51ace274d7db13caa533880869a4a

      SHA1

      b539ed2f1a15e2d4e5c933611d736e0c317b8313

      SHA256

      1d6407d7c7ffd2642ea7f97c86100514e8e44f58ff522475cb42bcc43a1b172b

      SHA512

      13440009e2f63078dce466bf2fe54c60feb6cedeed6e9e6fc592189c50b0780543c936786b7051311089f39e9e3ccb67f705c54781c4cae6d3a8007998befbf6

    • C:\Users\Admin\AppData\Roaming\RMS Agent\70220\C10E65EE99\webmvorbisdecoder.dll

      Filesize

      364KB

      MD5

      eda07083af5b6608cb5b7c305d787842

      SHA1

      d1703c23522d285a3ccdaf7ba2eb837d40608867

      SHA256

      c4683eb09d65d692ca347c0c21f72b086bd2faf733b13234f3a6b28444457d7d

      SHA512

      be5879621d544c4e2c4b0a5db3d93720623e89e841b2982c7f6c99ba58d30167e0dd591a12048ed045f19ec45877aa2ef631b301b903517effa17579c4b7c401

    • C:\Users\Admin\AppData\Roaming\RMS Agent\70220\C10E65EE99\webmvorbisencoder.dll

      Filesize

      859KB

      MD5

      642dc7e57f0c962b9db4c8fb346bc5a7

      SHA1

      acee24383b846f7d12521228d69135e5704546f6

      SHA256

      63b4b5db4a96a8abec82b64034f482b433cd4168c960307ac5cc66d2fbf67ede

      SHA512

      fb163a0ce4e3ad0b0a337f5617a7bf59070df05cc433b6463384e8687af3edc197e447609a0d86fe25ba3ee2717fd470f2620a8fc3a2998a7c3b3a40530d0bae

    • memory/636-147-0x0000000000C10000-0x0000000001702000-memory.dmp

      Filesize

      10.9MB

    • memory/636-144-0x0000000000C10000-0x0000000001702000-memory.dmp

      Filesize

      10.9MB

    • memory/636-165-0x0000000000C10000-0x0000000001702000-memory.dmp

      Filesize

      10.9MB

    • memory/636-162-0x0000000000C10000-0x0000000001702000-memory.dmp

      Filesize

      10.9MB

    • memory/636-159-0x0000000000C10000-0x0000000001702000-memory.dmp

      Filesize

      10.9MB

    • memory/636-156-0x0000000000C10000-0x0000000001702000-memory.dmp

      Filesize

      10.9MB

    • memory/636-153-0x0000000000C10000-0x0000000001702000-memory.dmp

      Filesize

      10.9MB

    • memory/636-127-0x0000000000C10000-0x0000000001702000-memory.dmp

      Filesize

      10.9MB

    • memory/636-150-0x0000000000C10000-0x0000000001702000-memory.dmp

      Filesize

      10.9MB

    • memory/636-130-0x0000000000C10000-0x0000000001702000-memory.dmp

      Filesize

      10.9MB

    • memory/636-139-0x0000000000C10000-0x0000000001702000-memory.dmp

      Filesize

      10.9MB

    • memory/636-133-0x0000000000C10000-0x0000000001702000-memory.dmp

      Filesize

      10.9MB

    • memory/636-136-0x0000000000C10000-0x0000000001702000-memory.dmp

      Filesize

      10.9MB

    • memory/1248-92-0x00000000006A0000-0x0000000001B91000-memory.dmp

      Filesize

      20.9MB

    • memory/3540-126-0x00000000006A0000-0x0000000001B91000-memory.dmp

      Filesize

      20.9MB

    • memory/3540-129-0x00000000006A0000-0x0000000001B91000-memory.dmp

      Filesize

      20.9MB

    • memory/3540-152-0x00000000006A0000-0x0000000001B91000-memory.dmp

      Filesize

      20.9MB

    • memory/3540-135-0x00000000006A0000-0x0000000001B91000-memory.dmp

      Filesize

      20.9MB

    • memory/3540-146-0x00000000006A0000-0x0000000001B91000-memory.dmp

      Filesize

      20.9MB

    • memory/3540-132-0x00000000006A0000-0x0000000001B91000-memory.dmp

      Filesize

      20.9MB

    • memory/3540-149-0x00000000006A0000-0x0000000001B91000-memory.dmp

      Filesize

      20.9MB

    • memory/3540-161-0x00000000006A0000-0x0000000001B91000-memory.dmp

      Filesize

      20.9MB

    • memory/3540-143-0x00000000006A0000-0x0000000001B91000-memory.dmp

      Filesize

      20.9MB

    • memory/3540-167-0x00000000006A0000-0x0000000001B91000-memory.dmp

      Filesize

      20.9MB

    • memory/3540-138-0x00000000006A0000-0x0000000001B91000-memory.dmp

      Filesize

      20.9MB

    • memory/3540-155-0x00000000006A0000-0x0000000001B91000-memory.dmp

      Filesize

      20.9MB

    • memory/3540-158-0x00000000006A0000-0x0000000001B91000-memory.dmp

      Filesize

      20.9MB

    • memory/3540-164-0x00000000006A0000-0x0000000001B91000-memory.dmp

      Filesize

      20.9MB

    • memory/3968-0-0x0000000000400000-0x000000000296D000-memory.dmp

      Filesize

      37.4MB

    • memory/3968-81-0x0000000000400000-0x000000000296D000-memory.dmp

      Filesize

      37.4MB

    • memory/3968-1-0x0000000004CA0000-0x0000000004CA1000-memory.dmp

      Filesize

      4KB

    • memory/3984-83-0x00000000021B0000-0x00000000021B1000-memory.dmp

      Filesize

      4KB

    • memory/3984-86-0x0000000000C10000-0x0000000001702000-memory.dmp

      Filesize

      10.9MB