Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    30-08-2024 20:17

General

  • Target

    55d8d7ede1e3f2f0e5137e4199b182c0N.exe

  • Size

    8.0MB

  • MD5

    55d8d7ede1e3f2f0e5137e4199b182c0

  • SHA1

    69fb9910794271e707b7584b04e075709e2a2a39

  • SHA256

    53672acf950da3cee20f11595a35afbb3840c324ad2223552b282793e23c7f8f

  • SHA512

    c680430898bea820c7290cbfeee7da406543682420a361cc33a3d01715961b027d35c012e1bc5b3c380a021a47622d3befedbbf40044ab0ffb0169a4c440ce46

  • SSDEEP

    98304:0XZvnKYEUwMXKCGXZvnKYEUwMXKCgpFK0U8AmJNIo:0tnf3rXJGtnf3rXJWFKzYN

Malware Config

Signatures

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 6 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 12 IoCs

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

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 60 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\55d8d7ede1e3f2f0e5137e4199b182c0N.exe
    "C:\Users\Admin\AppData\Local\Temp\55d8d7ede1e3f2f0e5137e4199b182c0N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1336
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\55d8d7ede1e3f2f0e5137e4199b182c0N.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2380
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SBYYcyqg.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2648
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SBYYcyqg" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2AC8.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2788
    • C:\Users\Admin\AppData\Local\Temp\55d8d7ede1e3f2f0e5137e4199b182c0N.exe
      "C:\Users\Admin\AppData\Local\Temp\55d8d7ede1e3f2f0e5137e4199b182c0N.exe"
      2⤵
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:764
      • C:\Users\Admin\AppData\Local\Temp\._cache_55d8d7ede1e3f2f0e5137e4199b182c0N.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_55d8d7ede1e3f2f0e5137e4199b182c0N.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1300
      • C:\ProgramData\Synaptics\Synaptics.exe
        "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1964
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\ProgramData\Synaptics\Synaptics.exe"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2068
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SBYYcyqg.exe"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:760
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SBYYcyqg" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7F5D.tmp"
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:1100
        • C:\ProgramData\Synaptics\Synaptics.exe
          "C:\ProgramData\Synaptics\Synaptics.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1740
          • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
            "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe"
            5⤵
            • Executes dropped EXE
            PID:2348
  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /automation -Embedding
    1⤵
    • System Location Discovery: System Language Discovery
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:2156

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    8.0MB

    MD5

    55d8d7ede1e3f2f0e5137e4199b182c0

    SHA1

    69fb9910794271e707b7584b04e075709e2a2a39

    SHA256

    53672acf950da3cee20f11595a35afbb3840c324ad2223552b282793e23c7f8f

    SHA512

    c680430898bea820c7290cbfeee7da406543682420a361cc33a3d01715961b027d35c012e1bc5b3c380a021a47622d3befedbbf40044ab0ffb0169a4c440ce46

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    59a72fa41b95e0afadc19a3deb75308c

    SHA1

    89802b946d016a65dee04f40e4b0b071ba7f61a8

    SHA256

    903945e0e22417a56aad1af944782e6d9b29dff6302ad5faa82766c433780228

    SHA512

    4a665c700c0858a8f64409f2149cc42a1457da972e2ef6fda96a28a5dfb587882e03c75e7e1a5f328f7cb4dc9ae3f55f44c4e868dcf320e4877f44e35b93b54a

  • C:\Users\Admin\AppData\Local\Temp\._cache_55d8d7ede1e3f2f0e5137e4199b182c0N.exe

    Filesize

    483KB

    MD5

    13e2266694c6d450ed6320e775ea6ca0

    SHA1

    2a700c9c8179aec8c1f3b5e51adf064655694202

    SHA256

    14fafc8d570493d28077c853810754b4f5f7c803a58bf05456d4d197862191b4

    SHA512

    121f24d2433bd3c0b60126259e12ce2c990aef48635f5297ec37db9ce3337301408b6b2f4562936d803341c40e4f68ed51ccc05319920c8d7b0300b007d8600e

  • C:\Users\Admin\AppData\Local\Temp\tmp2AC8.tmp

    Filesize

    1KB

    MD5

    c67dc1a232b926b9a4bafba63e5ab2ab

    SHA1

    f1effe6612b76472509f671340cb82c31d4d9625

    SHA256

    5de564a154940d5ba495e79f8d5b903eb2a03d44b0aec09cde7fff1900510a84

    SHA512

    2b1df1c02847e1a447dd0103397708dc426d9c076b8754941e1fbf37b3a7bff7a481da9841f53121013693cba269d456c707bd5f5fe63954947a484776c3b714

  • C:\Users\Admin\AppData\Local\Temp\uGBPa2kI.xlsm

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\C80Y4C3NVFGXRWEOBC28.temp

    Filesize

    7KB

    MD5

    fad499f572bef0d20b27a2c83133ead1

    SHA1

    c26eaca4cc5b1f24346db7be668b164ad07074da

    SHA256

    4e243432e08bcd22463278e76466d8e36aada404d6726676c9903a919d685fb8

    SHA512

    82820b6aa3d0d8a682c7b2d9b5f2291edbbe952ea1d6124fb3bb4f7e356c411bfb02977a30fa7626d78f9ef3b7389647b8f2ca9ebdb0f7736599fef5d635fe08

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    78fc923f960ee2a8387ad875d02a15df

    SHA1

    0b306b451f074fcbe1069fd80724e6671e5831b3

    SHA256

    7abf4ec50b8b40556e9e51292de75d39da2a0f2f6481b88ec7cb5df5f6b4d167

    SHA512

    24279b70686027e1ee9fb6606ebddb2abfbc0e3ad93b3e2ea936c66e99b6118d79407c1aa92eb59e53c58b1ecb388dfee1f136818be9cba26151715951819f27

  • memory/764-26-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/764-32-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/764-22-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/764-20-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/764-35-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/764-36-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/764-34-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/764-30-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/764-28-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/764-24-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1336-39-0x00000000744F0000-0x0000000074BDE000-memory.dmp

    Filesize

    6.9MB

  • memory/1336-0-0x00000000744FE000-0x00000000744FF000-memory.dmp

    Filesize

    4KB

  • memory/1336-6-0x0000000000210000-0x0000000000226000-memory.dmp

    Filesize

    88KB

  • memory/1336-7-0x0000000006550000-0x00000000066CE000-memory.dmp

    Filesize

    1.5MB

  • memory/1336-5-0x00000000744F0000-0x0000000074BDE000-memory.dmp

    Filesize

    6.9MB

  • memory/1336-4-0x00000000744FE000-0x00000000744FF000-memory.dmp

    Filesize

    4KB

  • memory/1336-1-0x0000000000BB0000-0x00000000013B2000-memory.dmp

    Filesize

    8.0MB

  • memory/1336-2-0x00000000744F0000-0x0000000074BDE000-memory.dmp

    Filesize

    6.9MB

  • memory/1336-3-0x00000000004C0000-0x00000000004DE000-memory.dmp

    Filesize

    120KB

  • memory/1740-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1740-99-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1740-132-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1740-131-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1740-135-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1740-173-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1964-67-0x00000000004C0000-0x00000000004D6000-memory.dmp

    Filesize

    88KB

  • memory/1964-63-0x00000000008D0000-0x00000000010D2000-memory.dmp

    Filesize

    8.0MB

  • memory/2156-111-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB