Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231025-en
  • resource tags

    arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2023, 09:08

General

  • Target

    YU SV Payment.exe

  • Size

    841KB

  • MD5

    c9586b5ef698248e11c6fc904ccd1e6d

  • SHA1

    3b2246ad338738d2d1dba1cbc7a751091149d338

  • SHA256

    cde4e54eecb8d93a3bf01b328a33b998ef032becee8b0e375225cbce85c4a548

  • SHA512

    114c617845d7061047db47893357e96703d70f576b4cd6d3c9822e94537a6efe8cea56babb22dae0181a0238b7595a49226780113810ad992a4bf1d2da38a2c9

  • SSDEEP

    24576:3MPBrU7n0K+4iAVilgobPwXGYfpBhtD/:S1Ug54xQlJc2Y3

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

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

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\YU SV Payment.exe
    "C:\Users\Admin\AppData\Local\Temp\YU SV Payment.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2936
    • 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\YU SV Payment.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2704
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\smltCUtWNLO.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2496
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\smltCUtWNLO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDD45.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2888
    • C:\Users\Admin\AppData\Local\Temp\YU SV Payment.exe
      "C:\Users\Admin\AppData\Local\Temp\YU SV Payment.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2744

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmpDD45.tmp

          Filesize

          1KB

          MD5

          2788a54620346792ace5861ff672f2df

          SHA1

          48e67fdd47fe77dd6c6b9ebd7b1922cafd6be681

          SHA256

          a660bc2a80a23e7f273902f8a4b0be7049a44f1e23f15792517aca266176f611

          SHA512

          8a2fdeeced9744801fcf2b26323062d222386d20b6f4056e3c9b81221e0eb15cccdf526cbd5a2892140ea8cef499435d32ed86566f2819c8875015c26fd2e6ec

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\HINN64LEV6581WV9XFI7.temp

          Filesize

          7KB

          MD5

          5455c249c1962b84cd07dc623eb8fb05

          SHA1

          43eac89a56fda3ff03bdc7706134ace77441bbd3

          SHA256

          64509d3f25f20aa340f4c06696a26d841a126e5336424b1a6a55cb95f4b43079

          SHA512

          87ff8e22f667f5adb73804f6767c2c14ed5d820d382a2fb271ece466df66beeb955e9026964f40030b69f6669a6eb9c51d9f103707c0dcbc8fba360ba0366144

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

          Filesize

          7KB

          MD5

          5455c249c1962b84cd07dc623eb8fb05

          SHA1

          43eac89a56fda3ff03bdc7706134ace77441bbd3

          SHA256

          64509d3f25f20aa340f4c06696a26d841a126e5336424b1a6a55cb95f4b43079

          SHA512

          87ff8e22f667f5adb73804f6767c2c14ed5d820d382a2fb271ece466df66beeb955e9026964f40030b69f6669a6eb9c51d9f103707c0dcbc8fba360ba0366144

        • memory/2496-40-0x000000006D990000-0x000000006DF3B000-memory.dmp

          Filesize

          5.7MB

        • memory/2496-42-0x00000000025B0000-0x00000000025F0000-memory.dmp

          Filesize

          256KB

        • memory/2496-36-0x000000006D990000-0x000000006DF3B000-memory.dmp

          Filesize

          5.7MB

        • memory/2496-38-0x00000000025B0000-0x00000000025F0000-memory.dmp

          Filesize

          256KB

        • memory/2496-46-0x000000006D990000-0x000000006DF3B000-memory.dmp

          Filesize

          5.7MB

        • memory/2704-41-0x00000000024E0000-0x0000000002520000-memory.dmp

          Filesize

          256KB

        • memory/2704-39-0x00000000024E0000-0x0000000002520000-memory.dmp

          Filesize

          256KB

        • memory/2704-44-0x000000006D990000-0x000000006DF3B000-memory.dmp

          Filesize

          5.7MB

        • memory/2704-45-0x000000006D990000-0x000000006DF3B000-memory.dmp

          Filesize

          5.7MB

        • memory/2704-37-0x000000006D990000-0x000000006DF3B000-memory.dmp

          Filesize

          5.7MB

        • memory/2744-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2744-21-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2744-26-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2744-47-0x0000000074110000-0x00000000747FE000-memory.dmp

          Filesize

          6.9MB

        • memory/2744-30-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2744-32-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2744-34-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2744-43-0x0000000074110000-0x00000000747FE000-memory.dmp

          Filesize

          6.9MB

        • memory/2744-23-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2744-25-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2936-8-0x0000000004960000-0x00000000049A0000-memory.dmp

          Filesize

          256KB

        • memory/2936-7-0x0000000074110000-0x00000000747FE000-memory.dmp

          Filesize

          6.9MB

        • memory/2936-6-0x0000000005AB0000-0x0000000005B2C000-memory.dmp

          Filesize

          496KB

        • memory/2936-5-0x00000000004F0000-0x00000000004FA000-memory.dmp

          Filesize

          40KB

        • memory/2936-4-0x0000000000480000-0x0000000000488000-memory.dmp

          Filesize

          32KB

        • memory/2936-3-0x00000000004D0000-0x00000000004EA000-memory.dmp

          Filesize

          104KB

        • memory/2936-35-0x0000000074110000-0x00000000747FE000-memory.dmp

          Filesize

          6.9MB

        • memory/2936-2-0x0000000004960000-0x00000000049A0000-memory.dmp

          Filesize

          256KB

        • memory/2936-0-0x0000000001250000-0x0000000001328000-memory.dmp

          Filesize

          864KB

        • memory/2936-1-0x0000000074110000-0x00000000747FE000-memory.dmp

          Filesize

          6.9MB