Analysis

  • max time kernel
    245s
  • max time network
    240s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    13-10-2023 02:46

General

  • Target

    tmp.exe

  • Size

    8.3MB

  • MD5

    cb2ffac2a251378cda3f91cd613f453d

  • SHA1

    3a028761638f5aa93b0719c5650c83a138e8abc9

  • SHA256

    10165e27e0db0a6708f346ddea657ab0409499f93eb8426a80864a966f0f401e

  • SHA512

    1d203540fde5074f0d57e1ecbd9af2ee862b940f8fb58c3e55ad9db5ba029aff82a4468eee24c760b5e55cc96e61244af0fd6f3c46db857824e13e45ec1e802f

  • SSDEEP

    196608:P4Z1cDw8TWMpWRGAk7R85du3dWbpkPbVAp2FG0c+imht+:PE1CE3k7R5NWqu0cU+

Score
10/10

Malware Config

Signatures

  • RMS

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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Blocklisted process makes network request 4 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Drops file in Program Files directory 53 IoCs
  • Drops file in Windows directory 17 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 24 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2812
    • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\installer.exe
      "C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\installer.exe" /rsetup
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2380
      • C:\Windows\SysWOW64\msiexec.exe
        "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\rms.host6.3.4ru_mod_mod.msi" /qn
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2588
  • 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 behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:240
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding A3CF9FA4150318336E57C9FC74C75E56
      2⤵
      • Loads dropped DLL
      PID:2452
    • 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
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:2156

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    6.0MB

    MD5

    c9704931d887685d96ce92d637d84045

    SHA1

    0875a71e9118ded121d92f3f46a3af1ec8380f8b

    SHA256

    0448c45cb43585409002e01ef53442cb9f6ad58f211f5deb3ad2ca8b8d535826

    SHA512

    3b739394f69ec9f26ef607a0d481f1ad3d107462220c2281cbc300f16886ab3d857bee9af59b8857c7e7ae5b04e6a849eaa5e304d6935957a0a15e462375c260

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

    Filesize

    6.0MB

    MD5

    c9704931d887685d96ce92d637d84045

    SHA1

    0875a71e9118ded121d92f3f46a3af1ec8380f8b

    SHA256

    0448c45cb43585409002e01ef53442cb9f6ad58f211f5deb3ad2ca8b8d535826

    SHA512

    3b739394f69ec9f26ef607a0d481f1ad3d107462220c2281cbc300f16886ab3d857bee9af59b8857c7e7ae5b04e6a849eaa5e304d6935957a0a15e462375c260

  • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\installer.exe

    Filesize

    6.0MB

    MD5

    c9704931d887685d96ce92d637d84045

    SHA1

    0875a71e9118ded121d92f3f46a3af1ec8380f8b

    SHA256

    0448c45cb43585409002e01ef53442cb9f6ad58f211f5deb3ad2ca8b8d535826

    SHA512

    3b739394f69ec9f26ef607a0d481f1ad3d107462220c2281cbc300f16886ab3d857bee9af59b8857c7e7ae5b04e6a849eaa5e304d6935957a0a15e462375c260

  • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\installer.exe

    Filesize

    6.0MB

    MD5

    c9704931d887685d96ce92d637d84045

    SHA1

    0875a71e9118ded121d92f3f46a3af1ec8380f8b

    SHA256

    0448c45cb43585409002e01ef53442cb9f6ad58f211f5deb3ad2ca8b8d535826

    SHA512

    3b739394f69ec9f26ef607a0d481f1ad3d107462220c2281cbc300f16886ab3d857bee9af59b8857c7e7ae5b04e6a849eaa5e304d6935957a0a15e462375c260

  • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\installer.exe

    Filesize

    6.0MB

    MD5

    c9704931d887685d96ce92d637d84045

    SHA1

    0875a71e9118ded121d92f3f46a3af1ec8380f8b

    SHA256

    0448c45cb43585409002e01ef53442cb9f6ad58f211f5deb3ad2ca8b8d535826

    SHA512

    3b739394f69ec9f26ef607a0d481f1ad3d107462220c2281cbc300f16886ab3d857bee9af59b8857c7e7ae5b04e6a849eaa5e304d6935957a0a15e462375c260

  • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\rms.host6.3.4ru_mod_mod.msi

    Filesize

    7.3MB

    MD5

    998f9b9eefeddbfc898356139220bab3

    SHA1

    324bb9170598a73ce7f1359da7a35a6065f22f8e

    SHA256

    0230d36dc995c5fa25b6dd3f33c670fdf5f06c014a0b2d1012c064d733e9d81c

    SHA512

    efea0f628fca55733a29cd6c05aab11b8b4e49153d9ae94340daa00e5cb47f1ce4c2c2a3d9fea6108205fcb3a13ca13a4d533f47c561e8785f529d58c95f08e7

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

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\Users\Admin\AppData\Local\Temp\TarC6DD.tmp

    Filesize

    163KB

    MD5

    9441737383d21192400eca82fda910ec

    SHA1

    725e0d606a4fc9ba44aa8ffde65bed15e65367e4

    SHA256

    bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

    SHA512

    7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

  • C:\Windows\Installer\MSIC854.tmp

    Filesize

    125KB

    MD5

    b0bcc622f1fff0eec99e487fa1a4ddd9

    SHA1

    49aa392454bd5869fa23794196aedc38e8eea6f5

    SHA256

    b32687eaaad888410718875dcbff9f6a552e29c4d76af33e06e59859e1054081

    SHA512

    1572c1d07df2e9262d05a915d69ec4ebeb92eab50b89ce27dd290fb5a8e1de2c97d9320a3bb006834c98b3f6afcd7d2c29f039d9ca9afaa09c714406dedbc3c7

  • C:\Windows\Installer\f78816f.msi

    Filesize

    7.3MB

    MD5

    998f9b9eefeddbfc898356139220bab3

    SHA1

    324bb9170598a73ce7f1359da7a35a6065f22f8e

    SHA256

    0230d36dc995c5fa25b6dd3f33c670fdf5f06c014a0b2d1012c064d733e9d81c

    SHA512

    efea0f628fca55733a29cd6c05aab11b8b4e49153d9ae94340daa00e5cb47f1ce4c2c2a3d9fea6108205fcb3a13ca13a4d533f47c561e8785f529d58c95f08e7

  • C:\Windows\Installer\{D9E14363-FD66-419D-9DC9-C62471755C9F}\server_start_C00864331B9D4391A8A26292A601EBE2.exe

    Filesize

    96KB

    MD5

    9e2c097647125ee25068784acb01d7d3

    SHA1

    1a90c40c7f89eec18f47f0dae3f1d5cd3a3d49b5

    SHA256

    b4614281771ed482970fd0d091604b3a65c7e048f7d7fa8794abd0a0c638f5d2

    SHA512

    e2f334f31361ea1ffc206184808cb51002486fe583dc23b4f617bead0e3940fdc97b72cda2a971e2cf00462940b31e065228f643835d156e7166e8803e3181f1

  • \Users\Admin\AppData\Local\Temp\7ZipSfx.000\installer.exe

    Filesize

    6.0MB

    MD5

    c9704931d887685d96ce92d637d84045

    SHA1

    0875a71e9118ded121d92f3f46a3af1ec8380f8b

    SHA256

    0448c45cb43585409002e01ef53442cb9f6ad58f211f5deb3ad2ca8b8d535826

    SHA512

    3b739394f69ec9f26ef607a0d481f1ad3d107462220c2281cbc300f16886ab3d857bee9af59b8857c7e7ae5b04e6a849eaa5e304d6935957a0a15e462375c260

  • \Windows\Installer\MSIC854.tmp

    Filesize

    125KB

    MD5

    b0bcc622f1fff0eec99e487fa1a4ddd9

    SHA1

    49aa392454bd5869fa23794196aedc38e8eea6f5

    SHA256

    b32687eaaad888410718875dcbff9f6a552e29c4d76af33e06e59859e1054081

    SHA512

    1572c1d07df2e9262d05a915d69ec4ebeb92eab50b89ce27dd290fb5a8e1de2c97d9320a3bb006834c98b3f6afcd7d2c29f039d9ca9afaa09c714406dedbc3c7

  • memory/2156-130-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2156-133-0x0000000000400000-0x0000000000AA3000-memory.dmp

    Filesize

    6.6MB

  • memory/2156-134-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2156-138-0x0000000000400000-0x0000000000AA3000-memory.dmp

    Filesize

    6.6MB

  • memory/2380-21-0x00000000002C0000-0x00000000002C1000-memory.dmp

    Filesize

    4KB

  • memory/2380-20-0x0000000000400000-0x0000000000AA3000-memory.dmp

    Filesize

    6.6MB

  • memory/2380-9-0x00000000002C0000-0x00000000002C1000-memory.dmp

    Filesize

    4KB