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Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/09/2024, 01:47

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:1616
    • 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:1260
    • 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:4600
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SBYYcyqg" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD6E7.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3440
    • 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:3196
      • 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:2208
      • 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:3632
        • 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:1328
        • 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:1332
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SBYYcyqg" /XML "C:\Users\Admin\AppData\Local\Temp\tmp32D3.tmp"
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:3976
        • 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:3724
          • 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:264
  • 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:3604

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

    f32238ad605509636acff9033aa59f95

    SHA1

    39c5a6f7e461473017dedf1673edfa1b62bf1a61

    SHA256

    88bc6209cbd70d2e8a0a05c22ad5fa8ab1a1ba504774d37f2bb556c7ec5595b5

    SHA512

    4f84aa1fe2cd33cbf90e3b828a032a7d0a972ad15228ca83bd6f53f7f3f71ed901c7712c21db3590eb27738891e6fe6bf6a600078daebacb0e0f39539e648956

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

    Filesize

    2KB

    MD5

    968cb9309758126772781b83adb8a28f

    SHA1

    8da30e71accf186b2ba11da1797cf67f8f78b47c

    SHA256

    92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

    SHA512

    4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

    Filesize

    18KB

    MD5

    d556ce0f0beb6465aefeeecdb6349186

    SHA1

    b8bcb43d809df8a97256691a7c465b796a3bf49a

    SHA256

    185f600c225837a2dff39778d976de220419d1cd82d80cdc2f0548a25bd9a7e4

    SHA512

    c7369aa5feda3c731701b970df0a4777db7d5d0d7e67b3290440f7a5110567a1a87d4cd6be7cdd89f8cd27ed8f6a4322843b718e158a49e804b9210de1b360d2

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

    Filesize

    18KB

    MD5

    5e7b5d95c9f25040049fb026b5fc4fda

    SHA1

    4df0aa9d8ccaadd715339ef06740f3c3357ce7d6

    SHA256

    b855c9355fc106d71576df41188d908906194c228ed72bcec7ef818441845e04

    SHA512

    8fdbdf952a4be86e45d2214e41cb3ee29459290d6fb141e3f738b9db452af3e6ce7050db7e0569732e9b78363119022a6f8e5c1e176dc876b62719f32edcc9aa

  • 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\2VK9Ohjx.xlsm

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • C:\Users\Admin\AppData\Local\Temp\8F385E00

    Filesize

    21KB

    MD5

    196c41f54de24119f562b09836bab78f

    SHA1

    3069c9184b8abfe126cac25f6569c1d6e86b7fd5

    SHA256

    4a3d0e0225832bd9641580924bb3d6b228028889f9aee3a9e6f5fb7f49799b99

    SHA512

    89c432c02d177462c00cf3cbf0ccaa48ba383b5b60f94bac50f0361af6267f6951d20779962b8316add4a3d6d17b0cb0362ed58dfe9a5a186bca5a64ee3c1103

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qbtpnjf1.max.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpD6E7.tmp

    Filesize

    1KB

    MD5

    e69245c3e04a107ace6bfda35b1ea3b8

    SHA1

    6e60eb775108aa8071cc3f56adb0ef567281577d

    SHA256

    92ba5c187ea8a4929f1f1f4ec1bd2afc157f6a1f70cca8801ef6296c4f173770

    SHA512

    3680f437dc719e6f4101cf24daeb571285199464cdb7cf1a4e50a79b44f685fcf89e2d550e98fe49aafe929c8e12660690bf0091874c266869b0b5b029489c02

  • memory/1260-155-0x000000006FC00000-0x000000006FC4C000-memory.dmp

    Filesize

    304KB

  • memory/1260-24-0x0000000004E10000-0x0000000004E76000-memory.dmp

    Filesize

    408KB

  • memory/1260-16-0x0000000002220000-0x0000000002256000-memory.dmp

    Filesize

    216KB

  • memory/1260-17-0x00000000744D0000-0x0000000074C80000-memory.dmp

    Filesize

    7.7MB

  • memory/1260-18-0x0000000004EC0000-0x00000000054E8000-memory.dmp

    Filesize

    6.2MB

  • memory/1260-19-0x00000000744D0000-0x0000000074C80000-memory.dmp

    Filesize

    7.7MB

  • memory/1260-181-0x00000000070E0000-0x0000000007176000-memory.dmp

    Filesize

    600KB

  • memory/1260-192-0x00000000744D0000-0x0000000074C80000-memory.dmp

    Filesize

    7.7MB

  • memory/1260-25-0x00000000054F0000-0x0000000005556000-memory.dmp

    Filesize

    408KB

  • memory/1260-183-0x0000000007090000-0x000000000709E000-memory.dmp

    Filesize

    56KB

  • memory/1260-154-0x0000000006B10000-0x0000000006B42000-memory.dmp

    Filesize

    200KB

  • memory/1260-77-0x0000000005B20000-0x0000000005B3E000-memory.dmp

    Filesize

    120KB

  • memory/1260-30-0x0000000005560000-0x00000000058B4000-memory.dmp

    Filesize

    3.3MB

  • memory/1260-23-0x0000000004D70000-0x0000000004D92000-memory.dmp

    Filesize

    136KB

  • memory/1260-78-0x00000000060E0000-0x000000000612C000-memory.dmp

    Filesize

    304KB

  • memory/1328-261-0x00000000074C0000-0x0000000007563000-memory.dmp

    Filesize

    652KB

  • memory/1328-251-0x0000000070CC0000-0x0000000070D0C000-memory.dmp

    Filesize

    304KB

  • memory/1328-209-0x0000000005D10000-0x0000000006064000-memory.dmp

    Filesize

    3.3MB

  • memory/1332-226-0x00000000063F0000-0x000000000643C000-memory.dmp

    Filesize

    304KB

  • memory/1332-262-0x0000000070CC0000-0x0000000070D0C000-memory.dmp

    Filesize

    304KB

  • memory/1332-286-0x0000000007400000-0x0000000007414000-memory.dmp

    Filesize

    80KB

  • memory/1616-7-0x0000000005680000-0x000000000569E000-memory.dmp

    Filesize

    120KB

  • memory/1616-5-0x0000000005170000-0x000000000517A000-memory.dmp

    Filesize

    40KB

  • memory/1616-6-0x0000000005430000-0x00000000054CC000-memory.dmp

    Filesize

    624KB

  • memory/1616-0-0x00000000744DE000-0x00000000744DF000-memory.dmp

    Filesize

    4KB

  • memory/1616-11-0x000000000A150000-0x000000000A2CE000-memory.dmp

    Filesize

    1.5MB

  • memory/1616-8-0x00000000744DE000-0x00000000744DF000-memory.dmp

    Filesize

    4KB

  • memory/1616-9-0x00000000744D0000-0x0000000074C80000-memory.dmp

    Filesize

    7.7MB

  • memory/1616-10-0x00000000064D0000-0x00000000064E6000-memory.dmp

    Filesize

    88KB

  • memory/1616-52-0x00000000744D0000-0x0000000074C80000-memory.dmp

    Filesize

    7.7MB

  • memory/1616-1-0x0000000000380000-0x0000000000896000-memory.dmp

    Filesize

    5.1MB

  • memory/1616-2-0x00000000056A0000-0x0000000005C44000-memory.dmp

    Filesize

    5.6MB

  • memory/1616-3-0x0000000005190000-0x0000000005222000-memory.dmp

    Filesize

    584KB

  • memory/1616-4-0x00000000744D0000-0x0000000074C80000-memory.dmp

    Filesize

    7.7MB

  • memory/3196-27-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/3196-153-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/3196-29-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/3196-31-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/3196-26-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/3604-280-0x00007FFFB4DD0000-0x00007FFFB4DE0000-memory.dmp

    Filesize

    64KB

  • memory/3604-283-0x00007FFFB4DD0000-0x00007FFFB4DE0000-memory.dmp

    Filesize

    64KB

  • memory/3604-284-0x00007FFFB2560000-0x00007FFFB2570000-memory.dmp

    Filesize

    64KB

  • memory/3604-285-0x00007FFFB2560000-0x00007FFFB2570000-memory.dmp

    Filesize

    64KB

  • memory/3604-279-0x00007FFFB4DD0000-0x00007FFFB4DE0000-memory.dmp

    Filesize

    64KB

  • memory/3604-281-0x00007FFFB4DD0000-0x00007FFFB4DE0000-memory.dmp

    Filesize

    64KB

  • memory/3604-282-0x00007FFFB4DD0000-0x00007FFFB4DE0000-memory.dmp

    Filesize

    64KB

  • memory/3724-337-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/3724-342-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/3724-222-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/3724-375-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/3724-338-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/4600-178-0x0000000007110000-0x000000000712A000-memory.dmp

    Filesize

    104KB

  • memory/4600-193-0x00000000744D0000-0x0000000074C80000-memory.dmp

    Filesize

    7.7MB

  • memory/4600-186-0x0000000007430000-0x0000000007438000-memory.dmp

    Filesize

    32KB

  • memory/4600-185-0x0000000007450000-0x000000000746A000-memory.dmp

    Filesize

    104KB

  • memory/4600-184-0x0000000007350000-0x0000000007364000-memory.dmp

    Filesize

    80KB

  • memory/4600-182-0x0000000007310000-0x0000000007321000-memory.dmp

    Filesize

    68KB

  • memory/4600-20-0x00000000744D0000-0x0000000074C80000-memory.dmp

    Filesize

    7.7MB

  • memory/4600-180-0x0000000007180000-0x000000000718A000-memory.dmp

    Filesize

    40KB

  • memory/4600-22-0x00000000744D0000-0x0000000074C80000-memory.dmp

    Filesize

    7.7MB

  • memory/4600-177-0x0000000007750000-0x0000000007DCA000-memory.dmp

    Filesize

    6.5MB

  • memory/4600-167-0x0000000006DB0000-0x0000000006DCE000-memory.dmp

    Filesize

    120KB

  • memory/4600-170-0x0000000006DE0000-0x0000000006E83000-memory.dmp

    Filesize

    652KB

  • memory/4600-157-0x000000006FC00000-0x000000006FC4C000-memory.dmp

    Filesize

    304KB