Analysis

  • max time kernel
    148s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2024 09:40

General

  • Target

    Payment Advice_Chase Bank.pdf.exe

  • Size

    997KB

  • MD5

    e9abe92824035cd098547ef4e5b55b66

  • SHA1

    627f264d13e0e0b7bdc3fccde16e1ef295605bce

  • SHA256

    b068030645860377782553a0afc3375824b11c827120888c3792b794de864232

  • SHA512

    ec1229a55357071954f1f935515d0a2b0b260d2be1c33a37e22b1ba0f962dd99d65d5a5b1f5b3c3fcbccb6757bd668ad1567b9b6cc05388871ebd268024490f0

  • SSDEEP

    12288:253wtfRzxWWoG2eNY27HpUe/dhWIp6JVbTp4vfpAtk5FabwLYGwD3Mcg34La+FYK:25MpzxWJRar/dkIIVbTpst2wT68j34Go

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

204.10.160.239:9682

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-6D4L9S

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

  • Remcos family
  • Detected Nirsoft tools 3 IoCs

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

  • NirSoft MailPassView 1 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 1 IoCs

    Password recovery tool for various web browsers

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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
  • Suspicious use of SetThreadContext 4 IoCs
  • 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.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payment Advice_Chase Bank.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment Advice_Chase Bank.pdf.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:2296
    • 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\Payment Advice_Chase Bank.pdf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2288
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ccmyYaHotsrmGF.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4152
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ccmyYaHotsrmGF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp149C.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1480
    • C:\Users\Admin\AppData\Local\Temp\Payment Advice_Chase Bank.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Payment Advice_Chase Bank.pdf.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:3640
      • C:\Users\Admin\AppData\Local\Temp\Payment Advice_Chase Bank.pdf.exe
        "C:\Users\Admin\AppData\Local\Temp\Payment Advice_Chase Bank.pdf.exe" /stext "C:\Users\Admin\AppData\Local\Temp\qhvwvzscpmhicd"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:2464
      • C:\Users\Admin\AppData\Local\Temp\Payment Advice_Chase Bank.pdf.exe
        "C:\Users\Admin\AppData\Local\Temp\Payment Advice_Chase Bank.pdf.exe" /stext "C:\Users\Admin\AppData\Local\Temp\bbbgwrcwduanmrlkvk"
        3⤵
          PID:2488
        • C:\Users\Admin\AppData\Local\Temp\Payment Advice_Chase Bank.pdf.exe
          "C:\Users\Admin\AppData\Local\Temp\Payment Advice_Chase Bank.pdf.exe" /stext "C:\Users\Admin\AppData\Local\Temp\bbbgwrcwduanmrlkvk"
          3⤵
          • Accesses Microsoft Outlook accounts
          • System Location Discovery: System Language Discovery
          PID:4316
        • C:\Users\Admin\AppData\Local\Temp\Payment Advice_Chase Bank.pdf.exe
          "C:\Users\Admin\AppData\Local\Temp\Payment Advice_Chase Bank.pdf.exe" /stext "C:\Users\Admin\AppData\Local\Temp\ldozoknyrcsapxzoevbhs"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4528

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • 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

      39a0fba8bc0d5009d27e8f84caf77133

      SHA1

      45e9e3a4d68dc670e0bbfc34ac02b5cff0ea4d68

      SHA256

      979e527e28a0aeb361f0c2ca9ca1b218576618746538b301ebe377d14ada0fbc

      SHA512

      bd99a4d95bb8a329df15699efef9e5676f473a79c3f20238cbf78ca44fc6bc100593d1ecd62aa8623cfa469b3e3a19dce17c83c8a1c92f32f372745d518dade9

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kwk2pdhy.vmv.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

      Filesize

      4KB

      MD5

      f1d2c01ce674ad7d5bad04197c371fbc

      SHA1

      4bf0ed04d156a3dc6c8d27e134ecbda76d3585aa

      SHA256

      25b006032deccd628940ef728fffe83b325a85de453a34691f55f570e4460094

      SHA512

      81cb982cc33dcc27600a8a681c3ec3cc5b9221b95baa45e1ab24479745a9638b9f31d7beeeb1128b3294ff69b44e958c75e25d565f66790c364665caff96ee77

    • C:\Users\Admin\AppData\Local\Temp\tmp149C.tmp

      Filesize

      1KB

      MD5

      48c43d539ca48bfe925ccba0f8550366

      SHA1

      e5f2bc0d8fbd2672512a1200e1ce803638f22928

      SHA256

      58c6dd6fc60fe887e95be28fdc5e57b123ca119742272d64ba7f4be09c44ddbf

      SHA512

      0f29f6633e95e5483163c7679433d43d3a57f9c4ec136cccedb99867ee117d5ee90c725f53e26a414937c98545107b1783683e606a2317ec762208615cab38c4

    • memory/2288-20-0x0000000004FD0000-0x0000000004FF2000-memory.dmp

      Filesize

      136KB

    • memory/2288-103-0x0000000007600000-0x000000000761A000-memory.dmp

      Filesize

      104KB

    • memory/2288-82-0x0000000007190000-0x0000000007233000-memory.dmp

      Filesize

      652KB

    • memory/2288-53-0x0000000006300000-0x000000000634C000-memory.dmp

      Filesize

      304KB

    • memory/2288-52-0x0000000005F90000-0x0000000005FAE000-memory.dmp

      Filesize

      120KB

    • memory/2288-102-0x0000000007500000-0x0000000007514000-memory.dmp

      Filesize

      80KB

    • memory/2288-15-0x00000000049C0000-0x00000000049F6000-memory.dmp

      Filesize

      216KB

    • memory/2288-16-0x0000000005110000-0x0000000005738000-memory.dmp

      Filesize

      6.2MB

    • memory/2288-17-0x0000000074B30000-0x00000000752E0000-memory.dmp

      Filesize

      7.7MB

    • memory/2288-18-0x0000000074B30000-0x00000000752E0000-memory.dmp

      Filesize

      7.7MB

    • memory/2288-112-0x0000000074B30000-0x00000000752E0000-memory.dmp

      Filesize

      7.7MB

    • memory/2288-72-0x0000000070320000-0x000000007036C000-memory.dmp

      Filesize

      304KB

    • memory/2288-21-0x0000000005830000-0x0000000005896000-memory.dmp

      Filesize

      408KB

    • memory/2288-23-0x0000000074B30000-0x00000000752E0000-memory.dmp

      Filesize

      7.7MB

    • memory/2288-22-0x0000000005950000-0x00000000059B6000-memory.dmp

      Filesize

      408KB

    • memory/2288-106-0x00000000075E0000-0x00000000075E8000-memory.dmp

      Filesize

      32KB

    • memory/2288-35-0x00000000059C0000-0x0000000005D14000-memory.dmp

      Filesize

      3.3MB

    • memory/2296-2-0x0000000005810000-0x0000000005DB4000-memory.dmp

      Filesize

      5.6MB

    • memory/2296-3-0x0000000005350000-0x00000000053E2000-memory.dmp

      Filesize

      584KB

    • memory/2296-1-0x00000000009B0000-0x0000000000AAC000-memory.dmp

      Filesize

      1008KB

    • memory/2296-4-0x0000000005410000-0x000000000541A000-memory.dmp

      Filesize

      40KB

    • memory/2296-5-0x00000000055D0000-0x000000000566C000-memory.dmp

      Filesize

      624KB

    • memory/2296-6-0x0000000074B30000-0x00000000752E0000-memory.dmp

      Filesize

      7.7MB

    • memory/2296-10-0x0000000005740000-0x0000000005800000-memory.dmp

      Filesize

      768KB

    • memory/2296-51-0x0000000074B30000-0x00000000752E0000-memory.dmp

      Filesize

      7.7MB

    • memory/2296-9-0x0000000074B30000-0x00000000752E0000-memory.dmp

      Filesize

      7.7MB

    • memory/2296-8-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

      Filesize

      4KB

    • memory/2296-0-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

      Filesize

      4KB

    • memory/2296-7-0x00000000054C0000-0x00000000054D2000-memory.dmp

      Filesize

      72KB

    • memory/2464-84-0x0000000000400000-0x0000000000478000-memory.dmp

      Filesize

      480KB

    • memory/2464-87-0x0000000000400000-0x0000000000478000-memory.dmp

      Filesize

      480KB

    • memory/2464-83-0x0000000000400000-0x0000000000478000-memory.dmp

      Filesize

      480KB

    • memory/3640-119-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/3640-57-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/3640-131-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/3640-55-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/3640-56-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/3640-54-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/3640-48-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/3640-129-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/3640-128-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/3640-127-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/3640-46-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/3640-125-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/3640-124-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/3640-123-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/3640-122-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/3640-121-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/3640-120-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/3640-59-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/3640-118-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/3640-117-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/3640-49-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/3640-50-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/3640-130-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/3640-126-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/3640-116-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/3640-115-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/3640-114-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/3640-105-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4152-96-0x0000000007530000-0x000000000754A000-memory.dmp

      Filesize

      104KB

    • memory/4152-98-0x00000000077B0000-0x0000000007846000-memory.dmp

      Filesize

      600KB

    • memory/4152-19-0x0000000074B30000-0x00000000752E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4152-113-0x0000000074B30000-0x00000000752E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4152-101-0x0000000007760000-0x000000000776E000-memory.dmp

      Filesize

      56KB

    • memory/4152-99-0x0000000007730000-0x0000000007741000-memory.dmp

      Filesize

      68KB

    • memory/4152-61-0x0000000070320000-0x000000007036C000-memory.dmp

      Filesize

      304KB

    • memory/4152-71-0x00000000071E0000-0x00000000071FE000-memory.dmp

      Filesize

      120KB

    • memory/4152-36-0x0000000074B30000-0x00000000752E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4152-34-0x0000000074B30000-0x00000000752E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4152-60-0x00000000071A0000-0x00000000071D2000-memory.dmp

      Filesize

      200KB

    • memory/4152-95-0x0000000007B70000-0x00000000081EA000-memory.dmp

      Filesize

      6.5MB

    • memory/4152-97-0x00000000075A0000-0x00000000075AA000-memory.dmp

      Filesize

      40KB

    • memory/4316-88-0x0000000000400000-0x0000000000457000-memory.dmp

      Filesize

      348KB

    • memory/4316-85-0x0000000000400000-0x0000000000457000-memory.dmp

      Filesize

      348KB

    • memory/4316-86-0x0000000000400000-0x0000000000457000-memory.dmp

      Filesize

      348KB

    • memory/4528-93-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/4528-94-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/4528-92-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB