Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2024 01:56

General

  • Target

    3b98425cc4732681763f213523a28baa42b54f13782854b735ba086f8d5ce2d7N.exe

  • Size

    5.5MB

  • MD5

    4c16ef1a96257c888809c9f74a3264a0

  • SHA1

    1fc4cdca23fd7b5af6ed3e8eac1c4a58ac08d943

  • SHA256

    3b98425cc4732681763f213523a28baa42b54f13782854b735ba086f8d5ce2d7

  • SHA512

    52a4f3d7041bc8344189ae9eada45dfcc4c1eb05b07fe37b119e723c769c5fc0cc367e876296f10eef1f21c3f060f7da8df4e254e0e7abacea52bf764e18b0cd

  • SSDEEP

    98304:T3h6d68gwIteZNiiPwVpt/fh6ImzzJoDfuBcMv+A73XA:TR668aaELhHh6ImzD+F

Malware Config

Extracted

Family

xred

C2

xred.mooo.com

Attributes
  • email

    [email protected]

  • payload_url

    http://freedns.afraid.org/api/?action=getdyndns&sha=a30fa98efc092684e8d1c5cff797bcc613562978

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVlVsOGlEVGxuZVk&export=download

    https://www.dropbox.com/s/n1w4p8gc6jzo0sg/SUpdate.ini?dl=1

    http://xred.site50.net/syn/SUpdate.ini

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVzUyaHFYVkQxeFk&export=download

    https://www.dropbox.com/s/zhp1b06imehwylq/Synaptics.rar?dl=1

    http://xred.site50.net/syn/Synaptics.rar

    https://docs.google.com/uc?id=0BxsMXGfPIZfSTmlVYkxhSDg5TzQ&export=download

    https://www.dropbox.com/s/fzj752whr3ontsm/SSLLibrary.dll?dl=1

    http://xred.site50.net/syn/SSLLibrary.dll

Extracted

Family

remcos

Botnet

ABILLION+NAIRA

C2

nzobaku.ddns.net:8081

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-S0L1LJ

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

  • Remcos family
  • Xred

    Xred is backdoor written in Delphi.

  • Xred family
  • 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 14 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\3b98425cc4732681763f213523a28baa42b54f13782854b735ba086f8d5ce2d7N.exe
    "C:\Users\Admin\AppData\Local\Temp\3b98425cc4732681763f213523a28baa42b54f13782854b735ba086f8d5ce2d7N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1820
    • 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\3b98425cc4732681763f213523a28baa42b54f13782854b735ba086f8d5ce2d7N.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2228
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BLznCuyzwk.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2668
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BLznCuyzwk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2E70.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2752
    • C:\Users\Admin\AppData\Local\Temp\3b98425cc4732681763f213523a28baa42b54f13782854b735ba086f8d5ce2d7N.exe
      "C:\Users\Admin\AppData\Local\Temp\3b98425cc4732681763f213523a28baa42b54f13782854b735ba086f8d5ce2d7N.exe"
      2⤵
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2564
      • C:\Users\Admin\AppData\Local\Temp\._cache_3b98425cc4732681763f213523a28baa42b54f13782854b735ba086f8d5ce2d7N.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_3b98425cc4732681763f213523a28baa42b54f13782854b735ba086f8d5ce2d7N.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2192
      • 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:1984
        • 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:1932
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BLznCuyzwk.exe"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2104
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BLznCuyzwk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp87C6.tmp"
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:3036
        • 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:1268
          • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
            "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe"
            5⤵
            • Executes dropped EXE
            PID:1724
  • 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:1096

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    5.5MB

    MD5

    4c16ef1a96257c888809c9f74a3264a0

    SHA1

    1fc4cdca23fd7b5af6ed3e8eac1c4a58ac08d943

    SHA256

    3b98425cc4732681763f213523a28baa42b54f13782854b735ba086f8d5ce2d7

    SHA512

    52a4f3d7041bc8344189ae9eada45dfcc4c1eb05b07fe37b119e723c769c5fc0cc367e876296f10eef1f21c3f060f7da8df4e254e0e7abacea52bf764e18b0cd

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    af9af1706a7e2e7e6759709d53e563a7

    SHA1

    1064dabe29319b45f7f200934ce003c368dbd06a

    SHA256

    3f5a843e2d6ad73d15e6f30fab16b19c2ccdfa0e419095312f597d5565e659d9

    SHA512

    c3db5549c42c5abcec0ebda089f53c714fec55eeee766183522c43d60b0d2b5a468b314c46651f59df4fdba6de49b8a13a95a2d2dbca7cba612b12a54b0c2cdf

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

    Filesize

    21KB

    MD5

    3d56d739048fc039d0c34b4bc2053d20

    SHA1

    158608450136d57e3e7fb9222557561c36a2fb2e

    SHA256

    6179e627f64843666fa84f857ecf9a38082030f65e190df1806278676fdc4662

    SHA512

    d255b79b61d8917c87bcdf687d2a811c6dbc0a88b69a58ea923cfe8d6f774902dcd6aa197ee20b598b3caafc424646e45e181de7c99ff1306af043c7c6bf87de

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

    Filesize

    24KB

    MD5

    a0bb62574b34b7d9a5d586262181eebf

    SHA1

    804fcef4e2e3b831a42f6e8036ea3f0612f4184b

    SHA256

    e6712c155afc8337c77859697f93d5d04bfa2d54437a9480f45ac9641285c33d

    SHA512

    cb87d1fa47e83e5bdc5c48741643159604246d816c93ad688cc078ccca57f57e9176af40ab97fa43bfc991ed9bd79b5593fcf96259f4ffbbdd7bfc63120d6032

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

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • C:\Users\Admin\AppData\Local\Temp\tmp2E70.tmp

    Filesize

    1KB

    MD5

    59a13a106552b1a13cee977f73aeb95f

    SHA1

    08fdc3c8d801a13dbe8a1f4fbf28037db4559717

    SHA256

    42aea5c67590d543bdf178877ef2b205b915541b72708dba48f38608b5ab1fb7

    SHA512

    0147c40d8cd7cab85aab7d1a015f4a07a69582bb46043caa8f022f5db31da64a88048e6ade764ed0c80f2f6334f8e0bdc9ba2bbfad3d06d07d93ed549037a32e

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

    Filesize

    7KB

    MD5

    504e3c8af00fdf1b5435496cb1e3f777

    SHA1

    bb3bd07ed2e975764133f87f2bcb80ea218f10d4

    SHA256

    91926a03a3207443b10ae07343d35812934cb56f58d8836e3170d34c2814a2e1

    SHA512

    759f7df5c4bd69fbfd42518e53c55e32ae894b2dccf8a2d8f29484f5a82685ca8def29b66c8279f20904dc588cf0bc6258af79bfe879bc02e15936646390483e

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

    Filesize

    7KB

    MD5

    f8389c78569f05ab98f9d2b2b77415de

    SHA1

    82d580cca5b046ee13d9a75b78ae1bb17e47ae3b

    SHA256

    3ea41941720fbcc932635b3080ad9c6cf6219c686606ffca18eaa8fa1d5cbda1

    SHA512

    9714510b4a23425da9f224f6f3d64d2c57160fdfd5146255d6cf6ee29b60b63de3b692a60ee341f8647bb5e8e46e945a3e5262f409bca8fb36107f9ba8e35360

  • \Users\Admin\AppData\Local\Temp\._cache_3b98425cc4732681763f213523a28baa42b54f13782854b735ba086f8d5ce2d7N.exe

    Filesize

    483KB

    MD5

    f3b57ccad1c0a308635e17aa591e4038

    SHA1

    ca67ad3c74523b844fc23563f7b288f0389fd645

    SHA256

    5ad6b9a917f35be0a1d66c771069c2143ad765737eedd85436acbc0f95a4c0e7

    SHA512

    5ed754a1b254e8a4b03e0445ac0081c94aaf179c2974827ce4ff10b7deb765d819243b2084212d7c91be9ddc07bf94f55e35f85564781b4124b61647a2f0977a

  • memory/1096-109-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1268-170-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1268-208-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1268-165-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1268-166-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1268-96-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1268-93-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1820-5-0x0000000074290000-0x000000007497E000-memory.dmp

    Filesize

    6.9MB

  • memory/1820-4-0x000000007429E000-0x000000007429F000-memory.dmp

    Filesize

    4KB

  • memory/1820-38-0x0000000074290000-0x000000007497E000-memory.dmp

    Filesize

    6.9MB

  • memory/1820-3-0x0000000000530000-0x0000000000548000-memory.dmp

    Filesize

    96KB

  • memory/1820-2-0x0000000074290000-0x000000007497E000-memory.dmp

    Filesize

    6.9MB

  • memory/1820-1-0x0000000000800000-0x0000000000D92000-memory.dmp

    Filesize

    5.6MB

  • memory/1820-6-0x0000000005520000-0x000000000569E000-memory.dmp

    Filesize

    1.5MB

  • memory/1820-0-0x000000007429E000-0x000000007429F000-memory.dmp

    Filesize

    4KB

  • memory/1984-62-0x00000000011B0000-0x0000000001742000-memory.dmp

    Filesize

    5.6MB

  • memory/2564-19-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2564-21-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2564-23-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2564-25-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2564-27-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2564-29-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2564-34-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2564-31-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2564-35-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2564-33-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB