Analysis

  • max time kernel
    121s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28-09-2024 01:53

General

  • Target

    d5d6f7922d87a58322e5d4ace6819497d0942b3b22dc10c52f5a37cad8e42793.exe

  • Size

    1.5MB

  • MD5

    fb3ad7e9cb5938ad1af8facf52693b27

  • SHA1

    4a45c5429a503e8730ebc5261441e91b963510d1

  • SHA256

    d5d6f7922d87a58322e5d4ace6819497d0942b3b22dc10c52f5a37cad8e42793

  • SHA512

    bf4dd0c6a664e3e4b3fd584a5bc11d55fd874eabceee066f78ea5eb6ce0ab25fb08732cb1eb8baa96beae173474ff4f761b453a8e8544171e16703b1acbf1b60

  • SSDEEP

    24576:8IFcjHUVcxTE59dcvuc8kXeRYPps4GY4a9qJVX8ScEhAs3PseK0dHosEfzbm:8IFczdarcW/hySXYh9UPvhAKPFFOsw

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • 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 3 TTPs

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

  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 9 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 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 46 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d5d6f7922d87a58322e5d4ace6819497d0942b3b22dc10c52f5a37cad8e42793.exe
    "C:\Users\Admin\AppData\Local\Temp\d5d6f7922d87a58322e5d4ace6819497d0942b3b22dc10c52f5a37cad8e42793.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2232
    • 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\d5d6f7922d87a58322e5d4ace6819497d0942b3b22dc10c52f5a37cad8e42793.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2732
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\eouOCEx.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2536
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eouOCEx" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA785.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2624
    • C:\Users\Admin\AppData\Local\Temp\d5d6f7922d87a58322e5d4ace6819497d0942b3b22dc10c52f5a37cad8e42793.exe
      "C:\Users\Admin\AppData\Local\Temp\d5d6f7922d87a58322e5d4ace6819497d0942b3b22dc10c52f5a37cad8e42793.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2304
      • 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\d5d6f7922d87a58322e5d4ace6819497d0942b3b22dc10c52f5a37cad8e42793.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2280
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wlBldyvi.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2868
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wlBldyvi" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD910.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2844
      • C:\Users\Admin\AppData\Local\Temp\d5d6f7922d87a58322e5d4ace6819497d0942b3b22dc10c52f5a37cad8e42793.exe
        "C:\Users\Admin\AppData\Local\Temp\d5d6f7922d87a58322e5d4ace6819497d0942b3b22dc10c52f5a37cad8e42793.exe"
        3⤵
          PID:1752
        • C:\Users\Admin\AppData\Local\Temp\d5d6f7922d87a58322e5d4ace6819497d0942b3b22dc10c52f5a37cad8e42793.exe
          "C:\Users\Admin\AppData\Local\Temp\d5d6f7922d87a58322e5d4ace6819497d0942b3b22dc10c52f5a37cad8e42793.exe"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:280

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpA785.tmp

      Filesize

      1KB

      MD5

      e862903e096beab2d1742f0f3b52ce18

      SHA1

      4b0f8faa49b47a17316ee0ba961fd9bf82dc44b2

      SHA256

      503ea70e7c13329da81c03a583a8558106b4ac1c25635abe42c398e1e221cf65

      SHA512

      5a6f39001071a7d299c07eedfb399a9c387e2a4664357a187cfd55bc1e43a90fbb24ba521df5e09342968ce6707eb7c1a9d616bf68c1bf53e0344614a74b8da5

    • C:\Users\Admin\AppData\Local\Temp\tmpD910.tmp

      Filesize

      1KB

      MD5

      f2318ecbef5c4dff0abd8b7a31f5fc99

      SHA1

      6dd09a37a9ba3a3e4250c385a0958b33b60f7c6f

      SHA256

      01d01f1ddcc0091eb1a23c577f6ee6ebcafa8f0a59f5f784d582a1b153b39cfa

      SHA512

      74d84df05f6e5329171e822d5a1fd2e4fdd8fcb0e59d5e69b26f6e1cf94d007c86d2d9458f220f0c216d6df0b8ffc7add8f63d55e7e1f3b14ae71a2de69e9244

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\1ILNSEJFHR6TH63YFRUG.temp

      Filesize

      7KB

      MD5

      b255c9ebc07735cb52e29d24e4fad9d2

      SHA1

      47ccc62711e757ba5da24ad73330416ea9c6d74c

      SHA256

      724bac675d99606361451705c970f85eba1b83d00ec4432c19a0893e1aa91762

      SHA512

      4906eecc7924ad9b71bae50f0bc96e4e3daafed77b06d435d7ca2d814ccf5d1f8fff8dd1a08b46dfc4dbb799bee49fb1558dd2e34bbccd581365da6bc641418c

    • C:\Users\Admin\AppData\Roaming\wlBldyvi.exe

      Filesize

      1.5MB

      MD5

      fb3ad7e9cb5938ad1af8facf52693b27

      SHA1

      4a45c5429a503e8730ebc5261441e91b963510d1

      SHA256

      d5d6f7922d87a58322e5d4ace6819497d0942b3b22dc10c52f5a37cad8e42793

      SHA512

      bf4dd0c6a664e3e4b3fd584a5bc11d55fd874eabceee066f78ea5eb6ce0ab25fb08732cb1eb8baa96beae173474ff4f761b453a8e8544171e16703b1acbf1b60

    • memory/280-63-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/280-61-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/280-62-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/280-60-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/280-52-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/280-54-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/280-56-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/280-58-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2232-6-0x0000000007E60000-0x0000000007F76000-memory.dmp

      Filesize

      1.1MB

    • memory/2232-4-0x000000007432E000-0x000000007432F000-memory.dmp

      Filesize

      4KB

    • memory/2232-3-0x00000000004D0000-0x00000000004E2000-memory.dmp

      Filesize

      72KB

    • memory/2232-5-0x0000000074320000-0x0000000074A0E000-memory.dmp

      Filesize

      6.9MB

    • memory/2232-32-0x0000000074320000-0x0000000074A0E000-memory.dmp

      Filesize

      6.9MB

    • memory/2232-0-0x000000007432E000-0x000000007432F000-memory.dmp

      Filesize

      4KB

    • memory/2232-1-0x0000000001070000-0x00000000011F2000-memory.dmp

      Filesize

      1.5MB

    • memory/2232-2-0x0000000074320000-0x0000000074A0E000-memory.dmp

      Filesize

      6.9MB

    • memory/2304-29-0x0000000000400000-0x00000000004D4000-memory.dmp

      Filesize

      848KB

    • memory/2304-35-0x0000000005440000-0x00000000054C2000-memory.dmp

      Filesize

      520KB

    • memory/2304-34-0x0000000000570000-0x0000000000580000-memory.dmp

      Filesize

      64KB

    • memory/2304-33-0x00000000049B0000-0x0000000004A50000-memory.dmp

      Filesize

      640KB

    • memory/2304-21-0x0000000000400000-0x00000000004D4000-memory.dmp

      Filesize

      848KB

    • memory/2304-23-0x0000000000400000-0x00000000004D4000-memory.dmp

      Filesize

      848KB

    • memory/2304-25-0x0000000000400000-0x00000000004D4000-memory.dmp

      Filesize

      848KB

    • memory/2304-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2304-31-0x0000000000400000-0x00000000004D4000-memory.dmp

      Filesize

      848KB

    • memory/2304-28-0x0000000000400000-0x00000000004D4000-memory.dmp

      Filesize

      848KB

    • memory/2304-19-0x0000000000400000-0x00000000004D4000-memory.dmp

      Filesize

      848KB