Analysis

  • max time kernel
    600s
  • max time network
    601s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    07-09-2021 17:15

General

  • Target

    FSOC/vmtools.exe

  • Size

    15.8MB

  • MD5

    2d1106c13af8afc6fff279a41e4893c4

  • SHA1

    d076af3cded5a3b9593bdb8613c5c5145063acb3

  • SHA256

    2555e7cf32b7cbf8431f5cad37ae9733d208460a96e8b9d890366544c3bb17c5

  • SHA512

    d7ae08ca1bfe63d73f78d724a03bd879dc79a117c851d32530c911ba37ba066e8d27dd3195fecb70c53477657f3b27c66c283a9e1ab5960c9b0a5e084c6a7846

Score
10/10

Malware Config

Signatures

  • RMS

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

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Checks processor information in registry 2 TTPs 6 IoCs

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

  • Modifies data under HKEY_USERS 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FSOC\vmtools.exe
    "C:\Users\Admin\AppData\Local\Temp\FSOC\vmtools.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:904
    • C:\Users\Admin\AppData\Local\Temp\FSOC\vmtools.exe
      C:\Users\Admin\AppData\Local\Temp\FSOC\vmtools.exe -run_agent -second
      2⤵
      • Checks processor information in registry
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3624
      • C:\Users\Admin\AppData\Local\Temp\FSOC\vmworktool.exe
        C:\Users\Admin\AppData\Local\Temp\FSOC\vmworktool.exe /tray /user
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1944
  • \??\c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s seclogon
    1⤵
    • Suspicious use of NtCreateUserProcessOtherParentProcess
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3940

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/904-116-0x0000000004D40000-0x0000000004D41000-memory.dmp

    Filesize

    4KB

  • memory/904-117-0x0000000004EE0000-0x0000000004EE1000-memory.dmp

    Filesize

    4KB

  • memory/904-114-0x0000000001A70000-0x0000000001C7E000-memory.dmp

    Filesize

    2.1MB

  • memory/1944-136-0x0000000004F10000-0x0000000004F11000-memory.dmp

    Filesize

    4KB

  • memory/1944-133-0x00000000048B0000-0x00000000048B1000-memory.dmp

    Filesize

    4KB

  • memory/1944-132-0x0000000004850000-0x0000000004851000-memory.dmp

    Filesize

    4KB

  • memory/1944-129-0x0000000001190000-0x0000000001191000-memory.dmp

    Filesize

    4KB

  • memory/3624-120-0x00000000034E0000-0x00000000034E1000-memory.dmp

    Filesize

    4KB

  • memory/3624-121-0x00000000052B0000-0x00000000052B1000-memory.dmp

    Filesize

    4KB

  • memory/3624-123-0x00000000059E0000-0x00000000059E1000-memory.dmp

    Filesize

    4KB

  • memory/3624-126-0x00000000061E0000-0x00000000061E1000-memory.dmp

    Filesize

    4KB

  • memory/3624-125-0x0000000006090000-0x0000000006091000-memory.dmp

    Filesize

    4KB

  • memory/3624-128-0x0000000006480000-0x0000000006481000-memory.dmp

    Filesize

    4KB

  • memory/3624-127-0x0000000006330000-0x0000000006331000-memory.dmp

    Filesize

    4KB

  • memory/3624-124-0x0000000005F30000-0x0000000005F31000-memory.dmp

    Filesize

    4KB

  • memory/3624-130-0x0000000005D70000-0x0000000005D71000-memory.dmp

    Filesize

    4KB

  • memory/3624-131-0x0000000005DC0000-0x0000000005DC1000-memory.dmp

    Filesize

    4KB

  • memory/3624-119-0x0000000005540000-0x0000000005541000-memory.dmp

    Filesize

    4KB

  • memory/3624-118-0x00000000053F0000-0x00000000053F1000-memory.dmp

    Filesize

    4KB

  • memory/3624-134-0x0000000003940000-0x0000000003941000-memory.dmp

    Filesize

    4KB

  • memory/3624-135-0x0000000003A90000-0x0000000003A91000-memory.dmp

    Filesize

    4KB

  • memory/3624-137-0x0000000003AE0000-0x0000000003AE1000-memory.dmp

    Filesize

    4KB