Resubmissions

21/07/2024, 23:01

240721-2zth1aygqh 10

21/07/2024, 22:53

240721-2t6w5syepf 10

21/07/2024, 22:42

240721-2mpz2s1bpp 10

14/07/2024, 16:04

240714-thz1fszcna 10

Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/07/2024, 16:04

General

  • Target

    47a82ee0e0113c92b2c35e744ac720814320975fe5684bc19a6c6984802fd21e.exe

  • Size

    144KB

  • MD5

    6945668834c3c7223d4d98e0e89428ec

  • SHA1

    a6d6bf5bdeb785c35e6fbec7d5464887076fcf4c

  • SHA256

    47a82ee0e0113c92b2c35e744ac720814320975fe5684bc19a6c6984802fd21e

  • SHA512

    4695251deb6f4f4a87d13a8a714907ba309820904298765344531a5c655d97fbcd4b5df95ec5d0a2d1a03256115bffed074a77a17f6b8c8c3e727b26f1b1617e

  • SSDEEP

    3072:9DLhghNC38S7gzQ/cVD4U7p82jMU0Lt/w/HOWJbG5vcX++kwEKEAW31D4:2zQ/L6Mbw/uWJbGF+REKA1

Malware Config

Extracted

Family

nightingale

C2

80.76.49.148:3999

https://api.telegram.org/bot6813766312:AAGyxmK0E-SiPNsQCpjEIFZJIOhZnrPLxhw/sendMessage?chat_id=6467170572

Signatures

  • Nightingale stealer

    Nightingale stealer is an information stealer written in C#.

  • 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 1 IoCs

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

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 34 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\47a82ee0e0113c92b2c35e744ac720814320975fe5684bc19a6c6984802fd21e.exe
    "C:\Users\Admin\AppData\Local\Temp\47a82ee0e0113c92b2c35e744ac720814320975fe5684bc19a6c6984802fd21e.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3024
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /k start /b powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath C:\Users\Admin\AppData\Local\Temp\47a82ee0e0113c92b2c35e744ac720814320975fe5684bc19a6c6984802fd21e.exe & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2392
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath C:\Users\Admin\AppData\Local\Temp\47a82ee0e0113c92b2c35e744ac720814320975fe5684bc19a6c6984802fd21e.exe
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2176
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /k start /b powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionExtension .exe & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1476
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionExtension .exe
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3672
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /k start /b powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath C:\Users\Admin\AppData\Local\Temp\47a82ee0e0113c92b2c35e744ac720814320975fe5684bc19a6c6984802fd21e.exe & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4236
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath C:\Users\Admin\AppData\Local\Temp\47a82ee0e0113c92b2c35e744ac720814320975fe5684bc19a6c6984802fd21e.exe
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1252
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /k start /b powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionExtension .exe & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:800
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionExtension .exe
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2852
  • C:\Windows\system32\wbem\WmiApSrv.exe
    C:\Windows\system32\wbem\WmiApSrv.exe
    1⤵
      PID:4520

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      2KB

      MD5

      d85ba6ff808d9e5444a4b369f5bc2730

      SHA1

      31aa9d96590fff6981b315e0b391b575e4c0804a

      SHA256

      84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

      SHA512

      8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

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

      Filesize

      64B

      MD5

      367b1c81198bfdcdba813c2c336627a3

      SHA1

      37fe6414eafaaed4abb91c1aafde62c5b688b711

      SHA256

      1141e163d84d5ef0038593c866647f27c55510de2147dc1578130e518a22cced

      SHA512

      e0493957e6602efb156d372e5e66147056f6e3c2e01996ba9b4e04f82b2b1e4c7236d0e3681dce9ab4911a62546b6a141f1ae731de6e8184e758caf120cf594b

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

      Filesize

      64B

      MD5

      446dd1cf97eaba21cf14d03aebc79f27

      SHA1

      36e4cc7367e0c7b40f4a8ace272941ea46373799

      SHA256

      a7de5177c68a64bd48b36d49e2853799f4ebcfa8e4761f7cc472f333dc5f65cf

      SHA512

      a6d754709f30b122112ae30e5ab22486393c5021d33da4d1304c061863d2e1e79e8aeb029cae61261bb77d0e7becd53a7b0106d6ea4368b4c302464e3d941cf7

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rafdul0v.3qh.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/1252-54-0x000001D9FECD0000-0x000001D9FEEEC000-memory.dmp

      Filesize

      2.1MB

    • memory/2176-27-0x00007FF914EE0000-0x00007FF9159A1000-memory.dmp

      Filesize

      10.8MB

    • memory/2176-22-0x0000022666FD0000-0x0000022666FF2000-memory.dmp

      Filesize

      136KB

    • memory/2176-24-0x00007FF914EE0000-0x00007FF9159A1000-memory.dmp

      Filesize

      10.8MB

    • memory/2176-23-0x00007FF914EE0000-0x00007FF9159A1000-memory.dmp

      Filesize

      10.8MB

    • memory/2176-3-0x00007FF914EE0000-0x00007FF9159A1000-memory.dmp

      Filesize

      10.8MB

    • memory/2852-57-0x00000152A0C80000-0x00000152A0E9C000-memory.dmp

      Filesize

      2.1MB

    • memory/3024-0-0x00000289BDA10000-0x00000289BDA3A000-memory.dmp

      Filesize

      168KB

    • memory/3024-31-0x00007FF914EE3000-0x00007FF914EE5000-memory.dmp

      Filesize

      8KB

    • memory/3024-32-0x00007FF914EE0000-0x00007FF9159A1000-memory.dmp

      Filesize

      10.8MB

    • memory/3024-2-0x00007FF914EE0000-0x00007FF9159A1000-memory.dmp

      Filesize

      10.8MB

    • memory/3024-1-0x00007FF914EE3000-0x00007FF914EE5000-memory.dmp

      Filesize

      8KB