Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2024 12:07

General

  • Target

    RMS.7.1.7.0_configured_client.msi

  • Size

    21.5MB

  • MD5

    282e49971af85d26fcc453c1604dbca2

  • SHA1

    e2fa2c353891cd1782d0237a65d86bd4ad9e811c

  • SHA256

    7246aefd7681d59bc981afbece29efbe31ce1aabac8c3ee6d74a4e52afcda468

  • SHA512

    486be3d725bf9828521fd883033eb1ee9c2b5cc3faee0bf8cab829deccff70c6510f92088876193ba7d3249390a4e0c166cf07850917a8fe2c1e5845a5e83705

  • SSDEEP

    393216:p4HnfylxIDItISQ3f5W4YyGIi8224pPwpd0YDW0J9pd88lVpA:p4HaYkITCyGH822UoDW0e

Malware Config

Signatures

  • Detect Lumma Stealer payload V2 1 IoCs
  • Lumma Stealer, LummaC

    Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

  • Lumma family
  • Blocklisted process makes network request 4 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Drops file in Program Files directory 57 IoCs
  • Drops file in Windows directory 19 IoCs
  • Executes dropped EXE 9 IoCs
  • Loads dropped DLL 11 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 10 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 47 IoCs
  • Modifies registry class 24 IoCs
  • Suspicious behavior: EnumeratesProcesses 39 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 21 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\RMS.7.1.7.0_configured_client.msi
    1⤵
    • Blocklisted process makes network request
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2868
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Blocklisted process makes network request
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2668
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding E9D05C74DC6E76F1053C154917FC2EB6 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:2116
    • C:\Program Files (x86)\Remote Manipulator System - Host\rfusclient.exe
      "C:\Program Files (x86)\Remote Manipulator System - Host\rfusclient.exe" -msi_copy "C:\Users\Admin\AppData\Local\Temp\RMS.7.1.7.0_configured_client.msi"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:1876
    • C:\Program Files (x86)\Remote Manipulator System - Host\rutserv.exe
      "C:\Program Files (x86)\Remote Manipulator System - Host\rutserv.exe" /silentinstall
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:2156
    • C:\Program Files (x86)\Remote Manipulator System - Host\rutserv.exe
      "C:\Program Files (x86)\Remote Manipulator System - Host\rutserv.exe" /firewall
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:2644
    • C:\Program Files (x86)\Remote Manipulator System - Host\rutserv.exe
      "C:\Program Files (x86)\Remote Manipulator System - Host\rutserv.exe" /CONFIG /SETSECURITY
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:2672
    • C:\Program Files (x86)\Remote Manipulator System - Host\rutserv.exe
      "C:\Program Files (x86)\Remote Manipulator System - Host\rutserv.exe" /start
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:2664
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
      PID:2096
    • C:\Windows\system32\DrvInst.exe
      DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000003F0" "0000000000000068"
      1⤵
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      PID:2200
    • C:\Program Files (x86)\Remote Manipulator System - Host\rutserv.exe
      "C:\Program Files (x86)\Remote Manipulator System - Host\rutserv.exe" -service
      1⤵
      • Drops file in Program Files directory
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2620
      • C:\Program Files (x86)\Remote Manipulator System - Host\rfusclient.exe
        "C:\Program Files (x86)\Remote Manipulator System - Host\rfusclient.exe"
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2508
        • C:\Program Files (x86)\Remote Manipulator System - Host\rfusclient.exe
          "C:\Program Files (x86)\Remote Manipulator System - Host\rfusclient.exe" /tray
          3⤵
          • Checks computer location settings
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:1372
      • C:\Program Files (x86)\Remote Manipulator System - Host\rfusclient.exe
        "C:\Program Files (x86)\Remote Manipulator System - Host\rfusclient.exe" /tray
        2⤵
        • 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:964

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files (x86)\Remote Manipulator System - Host\eventmsg.dll

      Filesize

      51KB

      MD5

      4e84df6558c385bc781cddea34c9fba3

      SHA1

      6d63d87c19c11bdbfa484a5835ffffd7647296c8

      SHA256

      0526073f28a3b5999528bfa0e680d668922499124f783f02c52a3b25c367ef6d

      SHA512

      c35da0744568bfffeff09e6590d059e91e5d380c5feb3a0fbc5b19477ceca007a882884a7033345ce408fce1deac5248ad9b046656478d734fe494b787f8a9f2

    • C:\Program Files (x86)\Remote Manipulator System - Host\rfusclient.exe

      Filesize

      10.2MB

      MD5

      06208aa91f0f77d6c9b989f65803382a

      SHA1

      75e37439e6d1537fadf38c758df3a9fb232313cf

      SHA256

      d576d6fcfdae0ac29d5b040847929b2f8a83436f6b2160a88e8c5ebc119654c5

      SHA512

      a31e9c4c860873155690b90fb8f6d9ca30b084aa32ac94bb7e8ad90ca8d6d89349dc4924eafb2b689ef9ebaf5faa264d9f6c062818d844d17baae7793ba2ec1e

    • C:\Program Files (x86)\Remote Manipulator System - Host\rutserv.exe

      Filesize

      19.8MB

      MD5

      41dc282cbf89b0737ae6dd2de5a71015

      SHA1

      4aac4bafaf43be690089549584770f9e88630b45

      SHA256

      b8049a022430c34f0b8b3c9f357a9afa4fd6cb940b7353a610d1f53fb5bf471c

      SHA512

      ee8f3af6c633385eb1c7022189604c16948fd9fb0da1eb017d529872df2f075b26bdc158cf2ef4772237f338d87d9f6dc1944381cd65c5a636add0e22a599d6d

    • C:\Program Files (x86)\Remote Manipulator System - Host\vp8decoder.dll

      Filesize

      379KB

      MD5

      e247666cdea63da5a95aebc135908207

      SHA1

      4642f6c3973c41b7d1c9a73111a26c2d7ac9c392

      SHA256

      b419ed0374e3789b4f83d4af601f796d958e366562a0aaea5d2f81e82abdcf33

      SHA512

      06da11e694d5229783cfb058dcd04d855a1d0758beeaa97bcd886702a1502d0bf542e7890aa8f2e401be36ccf70376b5c091a5d328bb1abe738bc0798ab98a54

    • C:\Program Files (x86)\Remote Manipulator System - Host\vp8encoder.dll

      Filesize

      1.6MB

      MD5

      d5c2a6ac30e76b7c9b55adf1fe5c1e4a

      SHA1

      3d841eb48d1a32b511611d4b9e6eed71e2c373ee

      SHA256

      11c7004851e6e6624158990dc8abe3aa517bcab708364d469589ad0ca3dba428

      SHA512

      3c1c7fb535e779ac6c0d5aef2d4e9239f1c27136468738a0bd8587f91b99365a38808be31380be98fd74063d266654a6ac2c2e88861a3fe314a95f1296699e1d

    • C:\Program Files (x86)\Remote Manipulator System - Host\webmmux.dll

      Filesize

      259KB

      MD5

      49c51ace274d7db13caa533880869a4a

      SHA1

      b539ed2f1a15e2d4e5c933611d736e0c317b8313

      SHA256

      1d6407d7c7ffd2642ea7f97c86100514e8e44f58ff522475cb42bcc43a1b172b

      SHA512

      13440009e2f63078dce466bf2fe54c60feb6cedeed6e9e6fc592189c50b0780543c936786b7051311089f39e9e3ccb67f705c54781c4cae6d3a8007998befbf6

    • C:\Program Files (x86)\Remote Manipulator System - Host\webmvorbisdecoder.dll

      Filesize

      364KB

      MD5

      eda07083af5b6608cb5b7c305d787842

      SHA1

      d1703c23522d285a3ccdaf7ba2eb837d40608867

      SHA256

      c4683eb09d65d692ca347c0c21f72b086bd2faf733b13234f3a6b28444457d7d

      SHA512

      be5879621d544c4e2c4b0a5db3d93720623e89e841b2982c7f6c99ba58d30167e0dd591a12048ed045f19ec45877aa2ef631b301b903517effa17579c4b7c401

    • C:\Program Files (x86)\Remote Manipulator System - Host\webmvorbisencoder.dll

      Filesize

      859KB

      MD5

      642dc7e57f0c962b9db4c8fb346bc5a7

      SHA1

      acee24383b846f7d12521228d69135e5704546f6

      SHA256

      63b4b5db4a96a8abec82b64034f482b433cd4168c960307ac5cc66d2fbf67ede

      SHA512

      fb163a0ce4e3ad0b0a337f5617a7bf59070df05cc433b6463384e8687af3edc197e447609a0d86fe25ba3ee2717fd470f2620a8fc3a2998a7c3b3a40530d0bae

    • C:\ProgramData\Remote Manipulator System\msi\70170_{CA01AB2D-E912-4FC0-AD52-2D610BE0D1CF}\RMS.7.1.7.0_configured_client.msi

      Filesize

      21.5MB

      MD5

      282e49971af85d26fcc453c1604dbca2

      SHA1

      e2fa2c353891cd1782d0237a65d86bd4ad9e811c

      SHA256

      7246aefd7681d59bc981afbece29efbe31ce1aabac8c3ee6d74a4e52afcda468

      SHA512

      486be3d725bf9828521fd883033eb1ee9c2b5cc3faee0bf8cab829deccff70c6510f92088876193ba7d3249390a4e0c166cf07850917a8fe2c1e5845a5e83705

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\42B9A473B4DAF01285A36B4D3C7B1662_178C086B699FD6C56B804AF3EF759CB5

      Filesize

      471B

      MD5

      6ffcc08afff66cb043499364b8d087b3

      SHA1

      697582ea5a9bbd0fa7379c56cf6819942444ad7e

      SHA256

      a9345354e0efb6635b68e28cc14d15fa9b29d9d9a60734780ed92ae53e428c18

      SHA512

      155c87a07e7732977bb540b8517c1fbb6ccde96ea0c9cda4a1531353e038a0d6d05e4d2dd6187a468a7811bee640eb47a64eb38d45053a7d09cd2c60ac0d3398

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66AE3BFDF94A732B262342AD2154B86E_DDC6638534E8608691DE0CEAFF22DE0F

      Filesize

      471B

      MD5

      e5a7c1c1bddfe96adba491bdb4dc2dc4

      SHA1

      dae98cf0a90833f51f9bd527cf396327018501f2

      SHA256

      b154d4cd22bc400c4159504295dc38a1cb8d3511ab3203ccc9e82c06be70da63

      SHA512

      db83b0f7159d47a0a884369de2c45dd729882061b3b7cc07c97b5b848f9b648684fb3ad3281b75dab334632b40b520164ea41791b64781d61907f674981ec065

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\42B9A473B4DAF01285A36B4D3C7B1662_178C086B699FD6C56B804AF3EF759CB5

      Filesize

      404B

      MD5

      59c492f14c65d98685c2aa054a5f1104

      SHA1

      3df8b5e0f92b3ee160da9af084d7decb726e3454

      SHA256

      588b5f4e465996431d59d09c0b1ce3ea977db5e74b8e70380f26b2b034fbba49

      SHA512

      b9d445bfb92bf6376695fdfad9d7cc0845df3fc8b1d099260e3a49f24904e99688e4171e9720a8b9ea7c128246c968756d20ae6db6aa91c4992743e204ef57c7

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66AE3BFDF94A732B262342AD2154B86E_DDC6638534E8608691DE0CEAFF22DE0F

      Filesize

      408B

      MD5

      bc7d9c3dd17fb0e4e6debaf842136b37

      SHA1

      ccfe49a0f43975574845bc047a4e986663831bfd

      SHA256

      d3cdfa3c69146b09e2ab16279f00a7a677dea1302ee33e1d97402853bad72348

      SHA512

      8de66c3ff9fa3dd62a2aa5a3573e990a8f5f1289fc65ddad5716f30f385eb5885f2d98e71031f2682ce163aa34f9a828a4114f20f98f825980a26d5b73dcf98c

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      342B

      MD5

      f7391f0681b3b91086f15e5fec45d725

      SHA1

      69a141785bc81b6e88af3932e141b33a99d9c0a0

      SHA256

      aba0bc04656546f41c35ad7139be25fcf39d09e7640036757b5c04452ccf847d

      SHA512

      325c6d9412708756f3d1aed8be43a1d91dd2ce80102db560ff27ae3dd7ea745c1181138fd34e5cb910a3a525c5ede3e155cfec15715b0490c0ff5f0a18136cc8

    • C:\Users\Admin\AppData\Local\Temp\Cab34D8.tmp

      Filesize

      70KB

      MD5

      49aebf8cbd62d92ac215b2923fb1b9f5

      SHA1

      1723be06719828dda65ad804298d0431f6aff976

      SHA256

      b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

      SHA512

      bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

    • C:\Users\Admin\AppData\Local\Temp\MSI396E.tmp

      Filesize

      165KB

      MD5

      b5adf92090930e725510e2aafe97434f

      SHA1

      eb9aff632e16fcb0459554979d3562dcf5652e21

      SHA256

      1f6f0d9f136bc170cfbc48a1015113947087ac27aed1e3e91673ffc91b9f390b

      SHA512

      1076165011e20c2686fb6f84a47c31da939fa445d9334be44bdaa515c9269499bd70f83eb5fcfa6f34cf7a707a828ff1b192ec21245ee61817f06a66e74ff509

    • C:\Users\Admin\AppData\Local\Temp\Tar36AF.tmp

      Filesize

      181KB

      MD5

      4ea6026cf93ec6338144661bf1202cd1

      SHA1

      a1dec9044f750ad887935a01430bf49322fbdcb7

      SHA256

      8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

      SHA512

      6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

    • \Program Files (x86)\Remote Manipulator System - Host\libeay32.dll

      Filesize

      1.3MB

      MD5

      5222eaf78313758b0520be16e3f8392e

      SHA1

      9c7cc8fb340618fef38422cf0c75c4c9bfb216e2

      SHA256

      4771b71a48190504094d104087dd431c1c40bde6fad0338a86aa42f7f2a457a5

      SHA512

      459503146f963c64777c56176e480e3334c5bcff2bfef14fc2925b38f1f32117c387dc957789e1691a68798c004c9e672460bda51edcc7b45fb0e1553bf66812

    • \Program Files (x86)\Remote Manipulator System - Host\ssleay32.dll

      Filesize

      337KB

      MD5

      90a4b7fc6807693e68dd32b68614d989

      SHA1

      785484ef531ca90f323d5b017fefcff05e68093a

      SHA256

      4f475bd6235d2f761f6c6dbdf3f4b2f35fc6a3787e6b1b28a1912e85cb9be2f6

      SHA512

      97b970cb24774f141042149ac53e45b3fc42f9ce911c0ca774aa3812f48d7744434bf31d217b2a8522439d0e3f71048cc916556c18a71be61b203c942373a81c

    • memory/964-209-0x0000000000400000-0x0000000000EEB000-memory.dmp

      Filesize

      10.9MB

    • memory/964-204-0x0000000000400000-0x0000000000EEB000-memory.dmp

      Filesize

      10.9MB

    • memory/964-197-0x0000000000400000-0x0000000000EEB000-memory.dmp

      Filesize

      10.9MB

    • memory/1372-198-0x0000000000400000-0x0000000000EEB000-memory.dmp

      Filesize

      10.9MB

    • memory/1876-133-0x0000000000400000-0x0000000000EEB000-memory.dmp

      Filesize

      10.9MB

    • memory/2156-149-0x0000000000400000-0x0000000001897000-memory.dmp

      Filesize

      20.6MB

    • memory/2508-196-0x0000000000400000-0x0000000000EEB000-memory.dmp

      Filesize

      10.9MB

    • memory/2620-199-0x0000000000400000-0x0000000001897000-memory.dmp

      Filesize

      20.6MB

    • memory/2620-207-0x0000000000400000-0x0000000001897000-memory.dmp

      Filesize

      20.6MB

    • memory/2620-178-0x0000000000400000-0x0000000001897000-memory.dmp

      Filesize

      20.6MB

    • memory/2620-202-0x0000000000400000-0x0000000001897000-memory.dmp

      Filesize

      20.6MB

    • memory/2644-153-0x0000000000400000-0x0000000001897000-memory.dmp

      Filesize

      20.6MB

    • memory/2664-177-0x0000000000400000-0x0000000001897000-memory.dmp

      Filesize

      20.6MB

    • memory/2664-174-0x0000000000400000-0x0000000001897000-memory.dmp

      Filesize

      20.6MB

    • memory/2672-201-0x0000000000400000-0x0000000001897000-memory.dmp

      Filesize

      20.6MB

    • memory/2672-195-0x0000000000400000-0x0000000001897000-memory.dmp

      Filesize

      20.6MB

    • memory/2672-206-0x0000000000400000-0x0000000001897000-memory.dmp

      Filesize

      20.6MB

    • memory/2672-172-0x0000000000400000-0x0000000001897000-memory.dmp

      Filesize

      20.6MB