Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/10/2024, 02:19

General

  • Target

    9d64923557fd189c8f045db5f7ebdf23ca6afe0ed48d4b5a9f9398548ef848f8.exe

  • Size

    1.2MB

  • MD5

    71a5c22358684ea0359d9e20c12cbfd0

  • SHA1

    904946890793b72889b04a8d85d7427cbb374ede

  • SHA256

    9d64923557fd189c8f045db5f7ebdf23ca6afe0ed48d4b5a9f9398548ef848f8

  • SHA512

    e5cdfeabc6b857d68df3a3f730ebb998f74e8d528ee90e96965dcb08590350da1e5f5c3f25cc012ce836517b415120038ac728b3c5327c48f101af7f17655dd2

  • SSDEEP

    24576:veZnxqTKr6Suh2q1R+1ixZdZm5efPMM6+D1gH3R:veZaKuEAXd7UM6cUR

Malware Config

Extracted

Family

remcos

Botnet

chika dibia

C2

185.150.191.117:4609

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-QGLBE0

  • 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.

  • Detected Nirsoft tools 7 IoCs

    Free utilities often used by attackers which can steal passwords, product keys, etc.

  • NirSoft MailPassView 3 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 2 IoCs

    Password recovery tool for various web browsers

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

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

  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9d64923557fd189c8f045db5f7ebdf23ca6afe0ed48d4b5a9f9398548ef848f8.exe
    "C:\Users\Admin\AppData\Local\Temp\9d64923557fd189c8f045db5f7ebdf23ca6afe0ed48d4b5a9f9398548ef848f8.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4164
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -windowstyle minimized "$Ketonizes=Get-Content -Raw 'C:\Users\Admin\AppData\Roaming\thrombopenia\Udansk.man';$Stomapod=$Ketonizes.SubString(11239,3);.$Stomapod($Ketonizes)"
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1668
      • C:\Users\Admin\AppData\Local\Temp\lftebevgelserne.exe
        "C:\Users\Admin\AppData\Local\Temp\lftebevgelserne.exe"
        3⤵
        • Checks computer location settings
        • Loads dropped DLL
        • Suspicious use of NtCreateThreadExHideFromDebugger
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:2304
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v "Startup key" /t REG_EXPAND_SZ /d "%Wende% -windowstyle 1 $Pertline=(gp -Path 'HKCU:\Software\Platanus\').Grundtankerne;%Wende% ($Pertline)"
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4608
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v "Startup key" /t REG_EXPAND_SZ /d "%Wende% -windowstyle 1 $Pertline=(gp -Path 'HKCU:\Software\Platanus\').Grundtankerne;%Wende% ($Pertline)"
            5⤵
            • Adds Run key to start application
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:4356
        • C:\Users\Admin\AppData\Local\Temp\lftebevgelserne.exe
          C:\Users\Admin\AppData\Local\Temp\lftebevgelserne.exe /stext "C:\Users\Admin\AppData\Local\Temp\ohcbbapmxkcmuipjbkilpxipwmr"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:4972
        • C:\Users\Admin\AppData\Local\Temp\lftebevgelserne.exe
          C:\Users\Admin\AppData\Local\Temp\lftebevgelserne.exe /stext "C:\Users\Admin\AppData\Local\Temp\zbilcsagtsurwwlnkuvnakdgxsbgiu"
          4⤵
          • Executes dropped EXE
          • Accesses Microsoft Outlook accounts
          • System Location Discovery: System Language Discovery
          PID:4068
        • C:\Users\Admin\AppData\Local\Temp\lftebevgelserne.exe
          C:\Users\Admin\AppData\Local\Temp\lftebevgelserne.exe /stext "C:\Users\Admin\AppData\Local\Temp\jenedllihamwgcarbfiodpxpghshbfckr"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3492

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hfbzjhrn.u0q.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

    Filesize

    1.2MB

    MD5

    71a5c22358684ea0359d9e20c12cbfd0

    SHA1

    904946890793b72889b04a8d85d7427cbb374ede

    SHA256

    9d64923557fd189c8f045db5f7ebdf23ca6afe0ed48d4b5a9f9398548ef848f8

    SHA512

    e5cdfeabc6b857d68df3a3f730ebb998f74e8d528ee90e96965dcb08590350da1e5f5c3f25cc012ce836517b415120038ac728b3c5327c48f101af7f17655dd2

  • C:\Users\Admin\AppData\Local\Temp\ohcbbapmxkcmuipjbkilpxipwmr

    Filesize

    4KB

    MD5

    75379d3dcbcea6a69bc75b884816dd40

    SHA1

    7e073a03c3bdbbc60375ddbe56bba211c3d412a6

    SHA256

    cab559f3bbe4a0beb194dffca723b3072184b92687100462eaab04d66fff8de9

    SHA512

    710c2cee369a57a0039fc0d0c59de6118780210ef60ad0daf374f03ba94ab08039bc2aff821f7c99a0ecd0e16189c52e5b6d630b3d541f7b11375f134b985e8c

  • C:\Users\Admin\AppData\Roaming\thrombopenia\Udansk.man

    Filesize

    71KB

    MD5

    e3e1008cc3249f7049dc4a7291632cb3

    SHA1

    40d972d10e48e71d9bc0d3f30f506f140f4e18fd

    SHA256

    d80b3dd341fd5947ddbd3e38f671f2b264318399fe5acfccabeeac81981e242a

    SHA512

    ce8f7261887890a61cea58420a3dfb33774f2750ca3e3c7b9c7f4f1eab232544e281b67c47984ba0c5e2f4315c9bfbf08274e0b7da4ccb50fc25588fec369158

  • C:\Users\Admin\AppData\Roaming\thrombopenia\prefabricate.Led

    Filesize

    302KB

    MD5

    11237e18d598c8c55e562fad04345225

    SHA1

    0d2f512bd0dbe5ecdd236c1e4ccce4ebf8759de3

    SHA256

    63bd68b6a2ff50d2761d83c78bdceea068b7a1fd25557111a5e54bafabb1b6b2

    SHA512

    ba29cece8378d2ae7649866d236daf0890a423acd3c9b113d8fdf09461a4c54e26f2a490900e2f6ecc73fe9d8e6e4dc247e1e5a15e004b803684682843e906ad

  • memory/1668-59-0x0000000008EA0000-0x0000000009DD8000-memory.dmp

    Filesize

    15.2MB

  • memory/1668-62-0x0000000073F40000-0x00000000746F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1668-9-0x0000000005670000-0x0000000005C98000-memory.dmp

    Filesize

    6.2MB

  • memory/1668-10-0x00000000055D0000-0x00000000055F2000-memory.dmp

    Filesize

    136KB

  • memory/1668-11-0x0000000005ED0000-0x0000000005F36000-memory.dmp

    Filesize

    408KB

  • memory/1668-12-0x0000000005F40000-0x0000000005FA6000-memory.dmp

    Filesize

    408KB

  • memory/1668-22-0x00000000060B0000-0x0000000006404000-memory.dmp

    Filesize

    3.3MB

  • memory/1668-23-0x0000000006590000-0x00000000065AE000-memory.dmp

    Filesize

    120KB

  • memory/1668-24-0x00000000065D0000-0x000000000661C000-memory.dmp

    Filesize

    304KB

  • memory/1668-25-0x0000000006B00000-0x0000000006B96000-memory.dmp

    Filesize

    600KB

  • memory/1668-26-0x0000000006AC0000-0x0000000006ADA000-memory.dmp

    Filesize

    104KB

  • memory/1668-27-0x0000000007570000-0x0000000007592000-memory.dmp

    Filesize

    136KB

  • memory/1668-28-0x0000000007BF0000-0x0000000008194000-memory.dmp

    Filesize

    5.6MB

  • memory/1668-30-0x0000000008820000-0x0000000008E9A000-memory.dmp

    Filesize

    6.5MB

  • memory/1668-33-0x0000000073F40000-0x00000000746F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1668-32-0x00000000703D0000-0x000000007041C000-memory.dmp

    Filesize

    304KB

  • memory/1668-31-0x00000000079D0000-0x0000000007A02000-memory.dmp

    Filesize

    200KB

  • memory/1668-61-0x0000000073F40000-0x00000000746F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1668-44-0x0000000007A10000-0x0000000007A2E000-memory.dmp

    Filesize

    120KB

  • memory/1668-46-0x0000000073F40000-0x00000000746F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1668-45-0x0000000007A40000-0x0000000007AE3000-memory.dmp

    Filesize

    652KB

  • memory/1668-47-0x0000000073F40000-0x00000000746F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1668-48-0x0000000007B40000-0x0000000007B4A000-memory.dmp

    Filesize

    40KB

  • memory/1668-49-0x0000000007B90000-0x0000000007BBA000-memory.dmp

    Filesize

    168KB

  • memory/1668-50-0x0000000007BC0000-0x0000000007BE4000-memory.dmp

    Filesize

    144KB

  • memory/1668-51-0x0000000073F40000-0x00000000746F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1668-53-0x0000000073F4E000-0x0000000073F4F000-memory.dmp

    Filesize

    4KB

  • memory/1668-54-0x0000000073F40000-0x00000000746F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1668-55-0x0000000073F40000-0x00000000746F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1668-57-0x0000000073F40000-0x00000000746F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1668-58-0x0000000073F40000-0x00000000746F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1668-7-0x0000000005000000-0x0000000005036000-memory.dmp

    Filesize

    216KB

  • memory/1668-8-0x0000000073F40000-0x00000000746F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1668-60-0x0000000073F40000-0x00000000746F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1668-34-0x0000000070530000-0x0000000070884000-memory.dmp

    Filesize

    3.3MB

  • memory/1668-65-0x0000000073F40000-0x00000000746F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1668-66-0x0000000073F40000-0x00000000746F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1668-6-0x0000000073F4E000-0x0000000073F4F000-memory.dmp

    Filesize

    4KB

  • memory/2304-113-0x00000000004B0000-0x0000000001704000-memory.dmp

    Filesize

    18.3MB

  • memory/2304-112-0x00000000004B0000-0x0000000001704000-memory.dmp

    Filesize

    18.3MB

  • memory/2304-74-0x0000000001710000-0x0000000002648000-memory.dmp

    Filesize

    15.2MB

  • memory/2304-121-0x00000000004B0000-0x0000000001704000-memory.dmp

    Filesize

    18.3MB

  • memory/2304-120-0x00000000004B0000-0x0000000001704000-memory.dmp

    Filesize

    18.3MB

  • memory/2304-119-0x00000000004B0000-0x0000000001704000-memory.dmp

    Filesize

    18.3MB

  • memory/2304-73-0x00000000004B0000-0x0000000001704000-memory.dmp

    Filesize

    18.3MB

  • memory/2304-118-0x00000000004B0000-0x0000000001704000-memory.dmp

    Filesize

    18.3MB

  • memory/2304-68-0x0000000001710000-0x0000000002648000-memory.dmp

    Filesize

    15.2MB

  • memory/2304-114-0x00000000004B0000-0x0000000001704000-memory.dmp

    Filesize

    18.3MB

  • memory/2304-110-0x00000000004B0000-0x0000000001704000-memory.dmp

    Filesize

    18.3MB

  • memory/2304-108-0x000000001F0A0000-0x000000001F0B9000-memory.dmp

    Filesize

    100KB

  • memory/2304-105-0x000000001F0A0000-0x000000001F0B9000-memory.dmp

    Filesize

    100KB

  • memory/2304-69-0x00000000004B0000-0x0000000001704000-memory.dmp

    Filesize

    18.3MB

  • memory/2304-109-0x000000001F0A0000-0x000000001F0B9000-memory.dmp

    Filesize

    100KB

  • memory/2304-111-0x00000000004B0000-0x0000000001704000-memory.dmp

    Filesize

    18.3MB

  • memory/3492-95-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/3492-96-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/3492-97-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/3492-98-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/4068-84-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/4068-87-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/4068-93-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/4068-94-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/4068-81-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/4972-85-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/4972-80-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/4972-102-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/4972-77-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB