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Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12/09/2024, 01:58

General

  • Target

    db7308540dbe1895e72ec124ae574fca2b219afbf13924d1e52b06c1b535b9d6.exe

  • Size

    619KB

  • MD5

    c7ccd6f20a8823292de551558f4c800d

  • SHA1

    21fdbfc05880349c3142cbd81b7e730dbd3b6519

  • SHA256

    db7308540dbe1895e72ec124ae574fca2b219afbf13924d1e52b06c1b535b9d6

  • SHA512

    d99203b937997242466ee5d9f940455b88c137528996ac24a28c6832b22f9ae2b03ccd12ac3df838243a37e75ecfa8563dddead74af1fbbfed567c982f7ad0dd

  • SSDEEP

    12288:m07kvZsu2BNGp1e5tDbXZz73ftkdjQwIbhlEqbffAxrtOhE4Z:m0oZwCe51XZ/tkdRqbff25

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://cash4cars.nz
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    -[([pqM~nGA4

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

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

    Malicious Access or copy of Web Browser Credential store.

  • 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.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\db7308540dbe1895e72ec124ae574fca2b219afbf13924d1e52b06c1b535b9d6.exe
    "C:\Users\Admin\AppData\Local\Temp\db7308540dbe1895e72ec124ae574fca2b219afbf13924d1e52b06c1b535b9d6.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2524
    • 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\db7308540dbe1895e72ec124ae574fca2b219afbf13924d1e52b06c1b535b9d6.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1624
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\KNKQeCkus.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2092
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KNKQeCkus" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD901.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2712
    • C:\Users\Admin\AppData\Local\Temp\db7308540dbe1895e72ec124ae574fca2b219afbf13924d1e52b06c1b535b9d6.exe
      "C:\Users\Admin\AppData\Local\Temp\db7308540dbe1895e72ec124ae574fca2b219afbf13924d1e52b06c1b535b9d6.exe"
      2⤵
        PID:2900
      • C:\Users\Admin\AppData\Local\Temp\db7308540dbe1895e72ec124ae574fca2b219afbf13924d1e52b06c1b535b9d6.exe
        "C:\Users\Admin\AppData\Local\Temp\db7308540dbe1895e72ec124ae574fca2b219afbf13924d1e52b06c1b535b9d6.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2848

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpD901.tmp

      Filesize

      1KB

      MD5

      701a1dcac37ff96dc81b2ae73a881bc4

      SHA1

      44bee4b32cef7b3eda051c517b28a180455ab6c3

      SHA256

      fb71b32b69e48856d31ada21e8ab4657a4ac631b584ae3378f761802f9c1ca18

      SHA512

      ebce8526a179565d6ffc1b4f819ddb9f9b978820d40bd59b2642ae833f096972ad777d618f0c83c77cf3c54dd80282dac73fee16a0f3e2a9e31a84f305390611

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

      Filesize

      7KB

      MD5

      5bb744d7e5f784e6f33a3922d90228f6

      SHA1

      65e4722935e12143a951136ec03c86e57fab0faf

      SHA256

      e890f3dae8310dd4e9337806afcad4f400fa85b36aa75a3b5d394d81a68186c7

      SHA512

      ef3c89a9550d2a4035c58a87b78731501657db41ee6a39a87bf8eb49f378953e6c622c9f1271d50691b9e00c3d9dd02cea662be926e079ba2ddf4c2248b5641a

    • memory/2524-4-0x000000007411E000-0x000000007411F000-memory.dmp

      Filesize

      4KB

    • memory/2524-32-0x0000000074110000-0x00000000747FE000-memory.dmp

      Filesize

      6.9MB

    • memory/2524-3-0x0000000000380000-0x0000000000390000-memory.dmp

      Filesize

      64KB

    • memory/2524-5-0x0000000074110000-0x00000000747FE000-memory.dmp

      Filesize

      6.9MB

    • memory/2524-6-0x0000000005340000-0x00000000053C2000-memory.dmp

      Filesize

      520KB

    • memory/2524-1-0x00000000001C0000-0x0000000000262000-memory.dmp

      Filesize

      648KB

    • memory/2524-2-0x0000000074110000-0x00000000747FE000-memory.dmp

      Filesize

      6.9MB

    • memory/2524-0-0x000000007411E000-0x000000007411F000-memory.dmp

      Filesize

      4KB

    • memory/2848-19-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2848-28-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2848-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2848-25-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2848-23-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2848-21-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2848-31-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2848-29-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB