Analysis

  • max time kernel
    148s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-04-2024 01:45

General

  • Target

    e99121de906a1fb921f1f4388fcffd3424000340a49d5d4f45f3aa912f1eeb55.exe

  • Size

    17.3MB

  • MD5

    f429810f03b2e5472f51f22dbbf6f165

  • SHA1

    361572f7729f71af2d77c2db0d352d6eb3b11cda

  • SHA256

    e99121de906a1fb921f1f4388fcffd3424000340a49d5d4f45f3aa912f1eeb55

  • SHA512

    7453bc834416b652ac93315c3c86cec371f2a042bdbd368514ef38f5337c9d2e99ecdd4baf94ec40d71b0fece5dfc6e611e1424f7caa61f823c64dd787525b92

  • SSDEEP

    393216:BMlU2nBTLv7A1J9mA0Z8h6B3LhmNm4S0JWeG7PX:ByU2nBTLv7A1OAO7B3FcfSX

Score
10/10

Malware Config

Signatures

  • RMS

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

  • UPX dump on OEP (original entry point) 2 IoCs
  • 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
  • UPX packed file 2 IoCs

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

  • Drops file in System32 directory 8 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies data under HKEY_USERS 45 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\e99121de906a1fb921f1f4388fcffd3424000340a49d5d4f45f3aa912f1eeb55.exe
    "C:\Users\Admin\AppData\Local\Temp\e99121de906a1fb921f1f4388fcffd3424000340a49d5d4f45f3aa912f1eeb55.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4968
    • C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70220\A2F2E8D838\rfusclient.exe
      "C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70220\A2F2E8D838\rfusclient.exe" -run_agent
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2900
      • C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70220\A2F2E8D838\rutserv.exe
        "C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70220\A2F2E8D838\rutserv.exe" -run_agent
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1664
        • C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70220\A2F2E8D838\rutserv.exe
          "C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70220\A2F2E8D838\rutserv.exe" -run_agent -second
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Drops file in System32 directory
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2044
          • C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70220\A2F2E8D838\rfusclient.exe
            "C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70220\A2F2E8D838\rfusclient.exe" /tray /user
            5⤵
            • Checks computer location settings
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            PID:1416

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70220\A2F2E8D838\EULA.rtf

    Filesize

    15KB

    MD5

    9b0e600eb09e7a86199f7ba245d1cd2b

    SHA1

    e3e52b3e04b08e59aae74300f7d30c3d0aa27148

    SHA256

    879180116b82210292648709982f405eae84b05e6f2ff324a6a5cc7cd512d3e7

    SHA512

    dd1622474c48ecf5c95e7585fb30b5279cf45dfc89332531758838b05f73499f536f7cadaf529aa4fa5ae0808e30a455465829db7d13f2ee2e7d9b7bd12e17e5

  • C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70220\A2F2E8D838\eventmsg.dll

    Filesize

    52KB

    MD5

    b2e6147f97dae696265a089f98ce8106

    SHA1

    418f20ec486b7a9368ceff183e7cebae9ba52101

    SHA256

    44917b2c260fea3a0f4691f6e986c25e31b3f9ff22dcd055526199b4d8a54051

    SHA512

    789dd02281b71fab54f42b92b5c0c76c0266c40100dbe532ad3ebbf968e8a9e674f0be57e2ffdb10eb4a6b4faa15a6a6a92907c020c6cd2990427d890d7f5026

  • C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70220\A2F2E8D838\libeay32.dll

    Filesize

    1.3MB

    MD5

    b0433711581916700978618558131929

    SHA1

    6513c7c14f19fa37c73926fc098a9da678621e04

    SHA256

    26b24dcd9cb7ab8761ae7fb597704f81e2a6ede6572a247c39a969960dbba539

    SHA512

    a1d8bcd4b641b5e54a4435a70e19a56ecce6dc9c7d9b6fc28f7829de96d139c9cfd10f35f096529f8d33583bea8ffe1b6c2636f2710d9d01f1a7513f77db8589

  • C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70220\A2F2E8D838\rfusclient.exe

    Filesize

    10.4MB

    MD5

    6aae165f3b1575db887a0370cfc80083

    SHA1

    18bc72662b4366035932719ef131417aacf9c184

    SHA256

    0c89262a283c80121ba1176345b230d0ade61cfcf682b92e555a48206fb4074a

    SHA512

    666f1a5c6b0c7a5315d70eb0d75da6232105e5673b44f6137be4b10377b8d07c21720d05360cc653f543657478b08eee1d95db5fb1cb8d82d5c2a0f2ff68e7c7

  • C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70220\A2F2E8D838\rutserv.exe

    Filesize

    20.2MB

    MD5

    652c2a693b333504a3879460d0af7224

    SHA1

    235ba3847df3f39ad445b5b912cb2fb5224d9e59

    SHA256

    760e2fd3e57186b597d40b996811768e6c4a28ca54685e029104fcf82f68238d

    SHA512

    a717e916e9d881970694856f79f0e571b95c350f0b771027188dc9b27ab99c193149d4fe0e32cb4638c840340eb1dbd7fbf7458a58985a3e5be7da3345cd86c6

  • C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70220\A2F2E8D838\ssleay32.dll

    Filesize

    338KB

    MD5

    74f9696be4b46f04a1263c3181405c35

    SHA1

    cf66b349beaa2bc25ed5807763e32018e4304c7b

    SHA256

    d6e8bee1a9476ed3be229f4be81cc1154f1ed425e50e74fd1abcd76c56ea062c

    SHA512

    f122e00b795476809994733028346d82945566ce4c2be26444f02e077658ccb1ba0f3fe221cef37837941054fe4b3b54b3f9a74861f890e56544d1453823fd68

  • C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70220\A2F2E8D838\vp8decoder.dll

    Filesize

    380KB

    MD5

    c14000f68306f1cf0ec799df9568ae01

    SHA1

    788d8d7a0ba86ba6c7ef4f7ae50cdc65ddb348ff

    SHA256

    53b040341ce80f246c8437a99df5252a48801e2154eb94dc50af54a75d8d85ac

    SHA512

    2d4769949832794ce310474f843b696ea8eeb819554ecd72c449981988a6f8fbc5155d84a97d8a4c015348b3dfe6708f88c64b257d4a4d0d4a03dd068dda4113

  • C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70220\A2F2E8D838\vp8encoder.dll

    Filesize

    1.6MB

    MD5

    30448db0aac5ac16d7ad789011bf8d20

    SHA1

    457a43f6d2a0120c138dd9d57bcb64b21f84d9d7

    SHA256

    d781088435617ca1facf74c1304f82afcb388813a75c8cb32213541d35b21832

    SHA512

    300e3ae2ac133e2494c449354582ad9be51731d3e92d161b998db14262cc08436eeddb2b73a2f47cb4d1245348055f19e02721638a64a0630f513d4919b359dd

  • C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70220\A2F2E8D838\webmmux.dll

    Filesize

    260KB

    MD5

    5e8673834662ac42b8363e19bc719282

    SHA1

    bb1c1ed731830a03db47d232e748df4e4d196db9

    SHA256

    a64a113955ec0d89ae6ff357f9bb1063c7dd29fe5610ee516a94ac17b11172c2

    SHA512

    3cf558b2d3ca03aed1ef0cfe36fb7ff3fe7a3af63a4c3b0cb6cf13c58baacae17e5a01bad743affae8c4f5b9f5425dd4a97755aca2ded99e70d782f699a9e225

  • C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70220\A2F2E8D838\webmvorbisdecoder.dll

    Filesize

    365KB

    MD5

    95d30b282132fb591fd5fdd94e52af05

    SHA1

    eb7abe2f02c19ee41e4efc2506337288141d70ed

    SHA256

    e6c04dc8359b2c76f765fce37ec123d33acbc5ce93e60022ba88eb7c867ac3f6

    SHA512

    9e4ea23519d243d6d3ae93d2501f05f35aa1cc6264adb8f180f8a255bd35fb7996e110ac0ec7960fa0b93062be45eb0c0922d9597e76ee8180781cc5c9a9c792

  • C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70220\A2F2E8D838\webmvorbisencoder.dll

    Filesize

    860KB

    MD5

    a663e7ef3f3cd7a1d4790b4ebf491c27

    SHA1

    bfe086e653d0bc8d20acae61990ba4fa33f2a1f7

    SHA256

    8b1f95d7c0fdf25a6278347afda2f5ac4c86045c7fc530a330be885d8a87ea68

    SHA512

    e78460c287646f509a50b878a34392546e01803a46c389e942073013a8292e3653713f2b6067842ecccb09b7cdc13d1d9fff76065aa61910fc3cebe6a1c20c47

  • memory/1416-144-0x00000000004E0000-0x0000000000FFD000-memory.dmp

    Filesize

    11.1MB

  • memory/1416-156-0x00000000004E0000-0x0000000000FFD000-memory.dmp

    Filesize

    11.1MB

  • memory/1416-168-0x00000000004E0000-0x0000000000FFD000-memory.dmp

    Filesize

    11.1MB

  • memory/1416-165-0x00000000004E0000-0x0000000000FFD000-memory.dmp

    Filesize

    11.1MB

  • memory/1416-162-0x00000000004E0000-0x0000000000FFD000-memory.dmp

    Filesize

    11.1MB

  • memory/1416-105-0x0000000003560000-0x0000000003561000-memory.dmp

    Filesize

    4KB

  • memory/1416-159-0x00000000004E0000-0x0000000000FFD000-memory.dmp

    Filesize

    11.1MB

  • memory/1416-106-0x0000000004D10000-0x0000000004D11000-memory.dmp

    Filesize

    4KB

  • memory/1416-125-0x00000000004E0000-0x0000000000FFD000-memory.dmp

    Filesize

    11.1MB

  • memory/1416-126-0x00000000054E0000-0x00000000054E1000-memory.dmp

    Filesize

    4KB

  • memory/1416-128-0x0000000003560000-0x0000000003561000-memory.dmp

    Filesize

    4KB

  • memory/1416-107-0x0000000004E70000-0x0000000004E71000-memory.dmp

    Filesize

    4KB

  • memory/1416-153-0x00000000004E0000-0x0000000000FFD000-memory.dmp

    Filesize

    11.1MB

  • memory/1416-150-0x00000000004E0000-0x0000000000FFD000-memory.dmp

    Filesize

    11.1MB

  • memory/1416-147-0x00000000004E0000-0x0000000000FFD000-memory.dmp

    Filesize

    11.1MB

  • memory/1416-139-0x00000000004E0000-0x0000000000FFD000-memory.dmp

    Filesize

    11.1MB

  • memory/1416-137-0x00000000004E0000-0x0000000000FFD000-memory.dmp

    Filesize

    11.1MB

  • memory/1416-133-0x00000000004E0000-0x0000000000FFD000-memory.dmp

    Filesize

    11.1MB

  • memory/1416-130-0x00000000004E0000-0x0000000000FFD000-memory.dmp

    Filesize

    11.1MB

  • memory/1664-84-0x0000000000690000-0x0000000001B80000-memory.dmp

    Filesize

    20.9MB

  • memory/1664-81-0x0000000000690000-0x0000000001B80000-memory.dmp

    Filesize

    20.9MB

  • memory/1664-79-0x00000000068B0000-0x00000000068B1000-memory.dmp

    Filesize

    4KB

  • memory/1664-78-0x00000000056F0000-0x00000000056F1000-memory.dmp

    Filesize

    4KB

  • memory/1664-77-0x0000000002590000-0x0000000002591000-memory.dmp

    Filesize

    4KB

  • memory/2044-123-0x00000000053D0000-0x00000000053D1000-memory.dmp

    Filesize

    4KB

  • memory/2044-143-0x0000000000690000-0x0000000001B80000-memory.dmp

    Filesize

    20.9MB

  • memory/2044-109-0x0000000009890000-0x0000000009891000-memory.dmp

    Filesize

    4KB

  • memory/2044-110-0x0000000009D20000-0x0000000009D21000-memory.dmp

    Filesize

    4KB

  • memory/2044-115-0x00000000084A0000-0x00000000084A1000-memory.dmp

    Filesize

    4KB

  • memory/2044-119-0x00000000085F0000-0x00000000085F1000-memory.dmp

    Filesize

    4KB

  • memory/2044-167-0x0000000000690000-0x0000000001B80000-memory.dmp

    Filesize

    20.9MB

  • memory/2044-124-0x0000000000690000-0x0000000001B80000-memory.dmp

    Filesize

    20.9MB

  • memory/2044-99-0x0000000006A70000-0x0000000006A71000-memory.dmp

    Filesize

    4KB

  • memory/2044-103-0x0000000008000000-0x0000000008001000-memory.dmp

    Filesize

    4KB

  • memory/2044-101-0x0000000007990000-0x0000000007991000-memory.dmp

    Filesize

    4KB

  • memory/2044-129-0x0000000000690000-0x0000000001B80000-memory.dmp

    Filesize

    20.9MB

  • memory/2044-102-0x0000000007EB0000-0x0000000007EB1000-memory.dmp

    Filesize

    4KB

  • memory/2044-132-0x0000000000690000-0x0000000001B80000-memory.dmp

    Filesize

    20.9MB

  • memory/2044-100-0x0000000007970000-0x0000000007971000-memory.dmp

    Filesize

    4KB

  • memory/2044-135-0x0000000000690000-0x0000000001B80000-memory.dmp

    Filesize

    20.9MB

  • memory/2044-96-0x0000000000690000-0x0000000001B80000-memory.dmp

    Filesize

    20.9MB

  • memory/2044-138-0x0000000000690000-0x0000000001B80000-memory.dmp

    Filesize

    20.9MB

  • memory/2044-95-0x0000000007300000-0x0000000007301000-memory.dmp

    Filesize

    4KB

  • memory/2044-104-0x0000000007980000-0x0000000007981000-memory.dmp

    Filesize

    4KB

  • memory/2044-164-0x0000000000690000-0x0000000001B80000-memory.dmp

    Filesize

    20.9MB

  • memory/2044-146-0x0000000000690000-0x0000000001B80000-memory.dmp

    Filesize

    20.9MB

  • memory/2044-94-0x0000000007070000-0x0000000007071000-memory.dmp

    Filesize

    4KB

  • memory/2044-149-0x0000000000690000-0x0000000001B80000-memory.dmp

    Filesize

    20.9MB

  • memory/2044-93-0x0000000006F20000-0x0000000006F21000-memory.dmp

    Filesize

    4KB

  • memory/2044-152-0x0000000000690000-0x0000000001B80000-memory.dmp

    Filesize

    20.9MB

  • memory/2044-86-0x00000000067F0000-0x00000000067F1000-memory.dmp

    Filesize

    4KB

  • memory/2044-155-0x0000000000690000-0x0000000001B80000-memory.dmp

    Filesize

    20.9MB

  • memory/2044-85-0x00000000053D0000-0x00000000053D1000-memory.dmp

    Filesize

    4KB

  • memory/2044-158-0x0000000000690000-0x0000000001B80000-memory.dmp

    Filesize

    20.9MB

  • memory/2044-161-0x0000000000690000-0x0000000001B80000-memory.dmp

    Filesize

    20.9MB

  • memory/2900-72-0x00000000004E0000-0x0000000000FFD000-memory.dmp

    Filesize

    11.1MB

  • memory/2900-71-0x00000000004E0000-0x0000000000FFD000-memory.dmp

    Filesize

    11.1MB

  • memory/2900-68-0x0000000001A70000-0x0000000001A71000-memory.dmp

    Filesize

    4KB

  • memory/4968-1-0x0000000004D00000-0x0000000004D01000-memory.dmp

    Filesize

    4KB

  • memory/4968-66-0x0000000000400000-0x00000000029C9000-memory.dmp

    Filesize

    37.8MB

  • memory/4968-0-0x0000000000400000-0x00000000029C9000-memory.dmp

    Filesize

    37.8MB