Overview

overview

10

Static

static

10

d5b1e2cec0...d5.exe

windows7-x64

10

d5b1e2cec0...d5.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-08-2024 02:25

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General

  • Target

    d5b1e2cec0d590b3d6a8809c940b5316688ce0c8af9fbf8a42baf27888d971d5.exe

  • Size

    160KB

  • MD5

    50acfb26d39aea301a42692d269b0577

  • SHA1

    d92ece0badc23dc4562dbe6dbcd1c9f47812c6cb

  • SHA256

    d5b1e2cec0d590b3d6a8809c940b5316688ce0c8af9fbf8a42baf27888d971d5

  • SHA512

    d72c7410dfac81258ec79b03b53bda756c7b8a365ca6ac5e9578f105f69cad4911357395f5e088f9e6ddd48ff968809119556d349ea47b917168f7a3f5526430

  • SSDEEP

    3072:+39emuxx5Ph+Nrlp5LoVpbDM5M5TM+jso:+3UtZe+LbDu+Q

Score
10/10
nightingalecredential_accessexecutionpersistencespywarestealer

Malware Config

Extracted

Family

nightingale

C2

https://api.telegram.org/bot7360773915:AAGMf_A9lvN1HakLmVWWp2591SJduhueehE/sendDocument

Signatures

  • Nightingale stealer

    Nightingale stealer is an information stealer written in C#.

    stealernightingale
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

    credential_accessstealer
  • 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.

    execution
  • 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.

    spywarestealer
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

    credential_accessstealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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 32 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d5b1e2cec0d590b3d6a8809c940b5316688ce0c8af9fbf8a42baf27888d971d5.exe
    "C:\Users\Admin\AppData\Local\Temp\d5b1e2cec0d590b3d6a8809c940b5316688ce0c8af9fbf8a42baf27888d971d5.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:4828
    • 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\d5b1e2cec0d590b3d6a8809c940b5316688ce0c8af9fbf8a42baf27888d971d5.exe & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:940
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath C:\Users\Admin\AppData\Local\Temp\d5b1e2cec0d590b3d6a8809c940b5316688ce0c8af9fbf8a42baf27888d971d5.exe
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3344
    • 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:4900
      • 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:1648
  • C:\Windows\system32\wbem\WmiApSrv.exe
    C:\Windows\system32\wbem\WmiApSrv.exe
    1⤵
      PID:4836

    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

      Download Submit

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

      64B

      MD5

      0ff7e1af4cc86e108eef582452b35523

      SHA1

      c2ccf2811d56c3a3a58dced2b07f95076c6b5b96

      SHA256

      62ed8ef2250f9f744852cb67df0286c80f94e26aed646989b76e5b78f2f1f0d0

      SHA512

      374675fd36cd8bc38acaec44d4cc855b85feece548d99616496d498e61e943fd695fec7c57550a58a32455e8b21b41bafa18cd1dadac69676fff1de1a56da937

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fciwfuav.y1e.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      Download Submit

    • memory/1648-3-0x00007FF8D0E90000-0x00007FF8D1951000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/1648-4-0x00007FF8D0E90000-0x00007FF8D1951000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/1648-5-0x00007FF8D0E90000-0x00007FF8D1951000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/1648-12-0x000001DF53CE0000-0x000001DF53D02000-memory.dmp

      Filesize

      136KB

      Download

    • memory/1648-27-0x00007FF8D0E90000-0x00007FF8D1951000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/4828-0-0x00007FF8D0E93000-0x00007FF8D0E95000-memory.dmp

      Filesize

      8KB

      Download

    • memory/4828-2-0x00007FF8D0E90000-0x00007FF8D1951000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/4828-1-0x000001E134AE0000-0x000001E134B0E000-memory.dmp

      Filesize

      184KB

      Download

    • memory/4828-31-0x00007FF8D0E93000-0x00007FF8D0E95000-memory.dmp

      Filesize

      8KB

      Download

    • memory/4828-32-0x00007FF8D0E90000-0x00007FF8D1951000-memory.dmp

      Filesize

      10.8MB

      Download