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Analysis

  • max time kernel
    148s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/09/2024, 01:30

General

  • Target

    396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe

  • Size

    5.1MB

  • MD5

    aa1c1ce4915e430238dd1579fe0ee320

  • SHA1

    6df35550b84eb4b2648a09ff2be348ee326e7e78

  • SHA256

    396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53

  • SHA512

    04d46c3d8f73941b017b8c64302eebffe7a77a39d63c83dfbc5f71e45d1824557ea174dcc36c9ec82a4a176ae72ef840457855a11724314d255775b548f19d2e

  • SSDEEP

    98304:xXZvnKYEUwMXKCEXZvnKYEUwMXKC6XZvnKYEUwMXKC:xtnf3rXJEtnf3rXJ6tnf3rXJ

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.

  • Checks computer location settings 2 TTPs 4 IoCs

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

  • Executes dropped EXE 4 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.

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 2 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 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 49 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe
    "C:\Users\Admin\AppData\Local\Temp\396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1548
    • 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\396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2388
    • 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:2844
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SBYYcyqg" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7EA.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4492
    • C:\Users\Admin\AppData\Local\Temp\396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe
      "C:\Users\Admin\AppData\Local\Temp\396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:4948
      • C:\Users\Admin\AppData\Local\Temp\._cache_396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:3676
      • C:\ProgramData\Synaptics\Synaptics.exe
        "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
        3⤵
        • Checks computer location settings
        • 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:2764
        • 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:904
        • 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:4140
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SBYYcyqg" /XML "C:\Users\Admin\AppData\Local\Temp\tmp64DF.tmp"
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:412
        • C:\ProgramData\Synaptics\Synaptics.exe
          "C:\ProgramData\Synaptics\Synaptics.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Modifies registry class
          • Suspicious use of WriteProcessMemory
          PID:3040
          • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
            "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:1924
  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:1996

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    5.1MB

    MD5

    aa1c1ce4915e430238dd1579fe0ee320

    SHA1

    6df35550b84eb4b2648a09ff2be348ee326e7e78

    SHA256

    396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53

    SHA512

    04d46c3d8f73941b017b8c64302eebffe7a77a39d63c83dfbc5f71e45d1824557ea174dcc36c9ec82a4a176ae72ef840457855a11724314d255775b548f19d2e

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    d7b96f6522e37be489b38fd576701c0c

    SHA1

    579ee8300aad8d507740c813d3f861b009d3ac04

    SHA256

    7a7cca787806dcb3533a71d42965311e6c59e8deee313fbcdead493b5dd67b6a

    SHA512

    7b1a80fee6f213fad968c33a925618c740d7d0d230529045035a66fe21e3f8dc957f66a960299ccf359890fc46f91d4f4054999e918bf1e68c957024bcc3927b

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    3d086a433708053f9bf9523e1d87a4e8

    SHA1

    b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

    SHA256

    6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

    SHA512

    931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    18KB

    MD5

    c45d22e402b5cd994285f80f0885e3c2

    SHA1

    0fc17b24bf154e905c56c318bc8bc128cd91df2a

    SHA256

    4b5f0a4be9c7514d7da3a292f1bc95770cfb342281defa51ca49e9bccaba9212

    SHA512

    a1d085d69ebddb41bc9e71ffa14c3bc29bff38691e89f73ced461fae008f5581bf803edcc8d3e3e4399bd14078f873ebc9c72aa81c239b178a348f75360ef0a7

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    18KB

    MD5

    5418e2e0c48e7e0596757fbbba920bfa

    SHA1

    e3e933f30c4bf0f0d5b7b05af0d9e5141b04b2b4

    SHA256

    8629de1e7280e68b3dd2c68ac8010cd1c85b1274aa40b97e665811592bd76146

    SHA512

    384617a86fffd1dd8a9395c5ae2b30f68443f3ac39361ca331b9ab49883070511178434097bdd8f87eff7bebbb146722d7901afefede9938a8a8a4c124ee9221

  • C:\Users\Admin\AppData\Local\Temp\._cache_396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe

    Filesize

    483KB

    MD5

    13e2266694c6d450ed6320e775ea6ca0

    SHA1

    2a700c9c8179aec8c1f3b5e51adf064655694202

    SHA256

    14fafc8d570493d28077c853810754b4f5f7c803a58bf05456d4d197862191b4

    SHA512

    121f24d2433bd3c0b60126259e12ce2c990aef48635f5297ec37db9ce3337301408b6b2f4562936d803341c40e4f68ed51ccc05319920c8d7b0300b007d8600e

  • C:\Users\Admin\AppData\Local\Temp\10785E00

    Filesize

    21KB

    MD5

    69595719b751fb45b15950c8b11b1a8b

    SHA1

    8fdf38a7fe37df411e22fcbbb4c1c83867c5340d

    SHA256

    be63f2d620872a357235edfd8674c5b6a62055f6ecefba0886ba84bacb58757e

    SHA512

    d16a5ebca4fe62fc9b8932820c60115c35069b66713f93b4dc3c8f4d884d7ac7e25733dbec125cbdd68e0f77dfed0848b13c3ebde468a4b6efe1cd1cec492a23

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4zlyynzj.ri1.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\h2ZRZmL3.xlsm

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • C:\Users\Admin\AppData\Local\Temp\tmp7EA.tmp

    Filesize

    1KB

    MD5

    d567a96d1632ee2e315a4e5d8c70f046

    SHA1

    f572151793bf9bdf4fa24098cc87193003783f0e

    SHA256

    472d3a87a604c20e55d797d3dccd5b50cbe30cb6f1b4b6191b1713f60ec5701c

    SHA512

    6ea46b9bb675d2a0ba464aa634d99df0421d71410b45774fae8e7d1678aa85c2b5b22c9596df21898482546112bc58c0a8f82d857a609da5f11bba2bbdf75761

  • memory/904-255-0x0000000071190000-0x00000000711DC000-memory.dmp

    Filesize

    304KB

  • memory/904-284-0x00000000078F0000-0x0000000007901000-memory.dmp

    Filesize

    68KB

  • memory/904-266-0x00000000075F0000-0x0000000007693000-memory.dmp

    Filesize

    652KB

  • memory/904-224-0x0000000006440000-0x000000000648C000-memory.dmp

    Filesize

    304KB

  • memory/904-287-0x0000000007930000-0x0000000007944000-memory.dmp

    Filesize

    80KB

  • memory/1548-2-0x0000000005F60000-0x0000000006504000-memory.dmp

    Filesize

    5.6MB

  • memory/1548-4-0x0000000005950000-0x000000000595A000-memory.dmp

    Filesize

    40KB

  • memory/1548-10-0x0000000005F50000-0x0000000005F66000-memory.dmp

    Filesize

    88KB

  • memory/1548-9-0x00000000749D0000-0x0000000075180000-memory.dmp

    Filesize

    7.7MB

  • memory/1548-8-0x00000000749DE000-0x00000000749DF000-memory.dmp

    Filesize

    4KB

  • memory/1548-5-0x00000000749D0000-0x0000000075180000-memory.dmp

    Filesize

    7.7MB

  • memory/1548-3-0x00000000058A0000-0x0000000005932000-memory.dmp

    Filesize

    584KB

  • memory/1548-0-0x00000000749DE000-0x00000000749DF000-memory.dmp

    Filesize

    4KB

  • memory/1548-6-0x0000000005B70000-0x0000000005C0C000-memory.dmp

    Filesize

    624KB

  • memory/1548-7-0x0000000006DF0000-0x0000000006E0E000-memory.dmp

    Filesize

    120KB

  • memory/1548-49-0x00000000749D0000-0x0000000075180000-memory.dmp

    Filesize

    7.7MB

  • memory/1548-1-0x0000000000AE0000-0x0000000000FF6000-memory.dmp

    Filesize

    5.1MB

  • memory/1548-11-0x000000000ABA0000-0x000000000AD1E000-memory.dmp

    Filesize

    1.5MB

  • memory/1996-269-0x00007FFAF5B70000-0x00007FFAF5B80000-memory.dmp

    Filesize

    64KB

  • memory/1996-267-0x00007FFAF5B70000-0x00007FFAF5B80000-memory.dmp

    Filesize

    64KB

  • memory/1996-270-0x00007FFAF5B70000-0x00007FFAF5B80000-memory.dmp

    Filesize

    64KB

  • memory/1996-271-0x00007FFAF5B70000-0x00007FFAF5B80000-memory.dmp

    Filesize

    64KB

  • memory/1996-268-0x00007FFAF5B70000-0x00007FFAF5B80000-memory.dmp

    Filesize

    64KB

  • memory/1996-272-0x00007FFAF38F0000-0x00007FFAF3900000-memory.dmp

    Filesize

    64KB

  • memory/1996-273-0x00007FFAF38F0000-0x00007FFAF3900000-memory.dmp

    Filesize

    64KB

  • memory/2388-21-0x0000000005640000-0x0000000005662000-memory.dmp

    Filesize

    136KB

  • memory/2388-34-0x0000000005FF0000-0x0000000006344000-memory.dmp

    Filesize

    3.3MB

  • memory/2388-16-0x0000000002BD0000-0x0000000002C06000-memory.dmp

    Filesize

    216KB

  • memory/2388-18-0x00000000749D0000-0x0000000075180000-memory.dmp

    Filesize

    7.7MB

  • memory/2388-17-0x00000000056C0000-0x0000000005CE8000-memory.dmp

    Filesize

    6.2MB

  • memory/2388-19-0x00000000749D0000-0x0000000075180000-memory.dmp

    Filesize

    7.7MB

  • memory/2388-23-0x0000000005DD0000-0x0000000005E36000-memory.dmp

    Filesize

    408KB

  • memory/2388-190-0x00000000749D0000-0x0000000075180000-memory.dmp

    Filesize

    7.7MB

  • memory/2388-45-0x00000000749D0000-0x0000000075180000-memory.dmp

    Filesize

    7.7MB

  • memory/2388-22-0x0000000005D60000-0x0000000005DC6000-memory.dmp

    Filesize

    408KB

  • memory/2388-52-0x00000000064F0000-0x000000000650E000-memory.dmp

    Filesize

    120KB

  • memory/2388-77-0x0000000006A90000-0x0000000006ADC000-memory.dmp

    Filesize

    304KB

  • memory/2388-164-0x0000000070590000-0x00000000705DC000-memory.dmp

    Filesize

    304KB

  • memory/2764-193-0x0000000005360000-0x0000000005376000-memory.dmp

    Filesize

    88KB

  • memory/2844-153-0x0000000070590000-0x00000000705DC000-memory.dmp

    Filesize

    304KB

  • memory/2844-35-0x00000000749D0000-0x0000000075180000-memory.dmp

    Filesize

    7.7MB

  • memory/2844-176-0x0000000007A80000-0x0000000007A9A000-memory.dmp

    Filesize

    104KB

  • memory/2844-175-0x00000000080C0000-0x000000000873A000-memory.dmp

    Filesize

    6.5MB

  • memory/2844-188-0x00000000749D0000-0x0000000075180000-memory.dmp

    Filesize

    7.7MB

  • memory/2844-152-0x0000000007900000-0x0000000007932000-memory.dmp

    Filesize

    200KB

  • memory/2844-163-0x0000000006D20000-0x0000000006D3E000-memory.dmp

    Filesize

    120KB

  • memory/2844-183-0x0000000007DA0000-0x0000000007DA8000-memory.dmp

    Filesize

    32KB

  • memory/2844-177-0x0000000007AF0000-0x0000000007AFA000-memory.dmp

    Filesize

    40KB

  • memory/2844-182-0x0000000007DC0000-0x0000000007DDA000-memory.dmp

    Filesize

    104KB

  • memory/2844-178-0x0000000007D00000-0x0000000007D96000-memory.dmp

    Filesize

    600KB

  • memory/2844-181-0x0000000007CC0000-0x0000000007CD4000-memory.dmp

    Filesize

    80KB

  • memory/2844-180-0x0000000007CB0000-0x0000000007CBE000-memory.dmp

    Filesize

    56KB

  • memory/2844-173-0x0000000007940000-0x00000000079E3000-memory.dmp

    Filesize

    652KB

  • memory/2844-20-0x00000000749D0000-0x0000000075180000-memory.dmp

    Filesize

    7.7MB

  • memory/2844-179-0x0000000007C80000-0x0000000007C91000-memory.dmp

    Filesize

    68KB

  • memory/3040-210-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/3040-339-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/3040-338-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/3040-343-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/3040-376-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/4140-274-0x0000000071190000-0x00000000711DC000-memory.dmp

    Filesize

    304KB

  • memory/4140-198-0x0000000005A00000-0x0000000005D54000-memory.dmp

    Filesize

    3.3MB

  • memory/4948-46-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/4948-47-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB