Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/04/2024, 07:07

General

  • Target

    xprosperzx.exe

  • Size

    765KB

  • MD5

    9d74667db0f138f0943851bf3e0bbd0a

  • SHA1

    fe62846aee811b2ec87b2ea05309a944e314df11

  • SHA256

    43c14d25c429673a9500c057417959c014bdcd77513109d529b62277dc4e0b94

  • SHA512

    b306bc2c5761da2cca33b5c9eff238744651ec70896bcc16975efdbb660cdbbd8fb74ea472612da40f55fb2c34f73f596c2116c4b453f6d889b561a3eb50efbe

  • SSDEEP

    12288:5UtNBeBN2xpkZ/SlGtutycVRmPLOd2sLBkVroJwCHj2ypNWJRu/kR:6tNm2xp9ItutxRm42sCVrxCD2ypNWHT

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    cp5ua.hyperhost.ua
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    7213575aceACE@#

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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.

  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\xprosperzx.exe
    "C:\Users\Admin\AppData\Local\Temp\xprosperzx.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1716
    • 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\xprosperzx.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1964
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YPSYrrFqkJQmSN.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:388
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YPSYrrFqkJQmSN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7C06.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3592
    • C:\Users\Admin\AppData\Local\Temp\xprosperzx.exe
      "C:\Users\Admin\AppData\Local\Temp\xprosperzx.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4368

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

          Filesize

          2KB

          MD5

          968cb9309758126772781b83adb8a28f

          SHA1

          8da30e71accf186b2ba11da1797cf67f8f78b47c

          SHA256

          92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

          SHA512

          4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

          Filesize

          18KB

          MD5

          badd6b7e7a1a3182140f8d5877ce9fcc

          SHA1

          86bb90957d01fcdfea448cc468bfc84690f4b267

          SHA256

          2dced24aefcd7947ef83858757f55c5929b43a47b904c83f58ab794e5f398069

          SHA512

          88f2bda510cb932a03767f194bdc55605bbca7a5519f2fdc2bcb349c011240c5593057a89a7018d8e2575d16d1a96681edd7bf53d346d6f64f3f7672f29f3258

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qhrw0k4r.gak.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • C:\Users\Admin\AppData\Local\Temp\tmp7C06.tmp

          Filesize

          1KB

          MD5

          a36f4259489c4626bd8b043dc621d16c

          SHA1

          37f15c767fd9377e3d946051003cacdac03e6f5d

          SHA256

          495aa18e3cdc6e51a261de5066629470d5cb172e77e2e81412de513b096a3010

          SHA512

          956a34e19a21e4e62b615a251519980ce3666f2a3745a04eef4fec71cbfd81680a591b525a6915aa938759139d0c4128b2c38c6769641d0ad11a8526a3c2e935

        • memory/388-23-0x0000000005930000-0x0000000005996000-memory.dmp

          Filesize

          408KB

        • memory/388-82-0x0000000007E20000-0x0000000007EB6000-memory.dmp

          Filesize

          600KB

        • memory/388-73-0x0000000005410000-0x0000000005420000-memory.dmp

          Filesize

          64KB

        • memory/388-36-0x00000000062A0000-0x00000000065F4000-memory.dmp

          Filesize

          3.3MB

        • memory/388-79-0x00000000081E0000-0x000000000885A000-memory.dmp

          Filesize

          6.5MB

        • memory/388-81-0x0000000007C10000-0x0000000007C1A000-memory.dmp

          Filesize

          40KB

        • memory/388-24-0x0000000005410000-0x0000000005420000-memory.dmp

          Filesize

          64KB

        • memory/388-94-0x00000000752A0000-0x0000000075A50000-memory.dmp

          Filesize

          7.7MB

        • memory/388-67-0x0000000075B00000-0x0000000075B4C000-memory.dmp

          Filesize

          304KB

        • memory/388-22-0x0000000005410000-0x0000000005420000-memory.dmp

          Filesize

          64KB

        • memory/388-19-0x00000000752A0000-0x0000000075A50000-memory.dmp

          Filesize

          7.7MB

        • memory/1716-3-0x00000000055A0000-0x0000000005632000-memory.dmp

          Filesize

          584KB

        • memory/1716-2-0x0000000005B50000-0x00000000060F4000-memory.dmp

          Filesize

          5.6MB

        • memory/1716-0-0x00000000752A0000-0x0000000075A50000-memory.dmp

          Filesize

          7.7MB

        • memory/1716-4-0x00000000056D0000-0x00000000056E0000-memory.dmp

          Filesize

          64KB

        • memory/1716-10-0x000000000A520000-0x000000000A5BC000-memory.dmp

          Filesize

          624KB

        • memory/1716-5-0x0000000005580000-0x000000000558A000-memory.dmp

          Filesize

          40KB

        • memory/1716-9-0x0000000007DF0000-0x0000000007E72000-memory.dmp

          Filesize

          520KB

        • memory/1716-1-0x0000000000AD0000-0x0000000000B92000-memory.dmp

          Filesize

          776KB

        • memory/1716-8-0x0000000006A70000-0x0000000006A7C000-memory.dmp

          Filesize

          48KB

        • memory/1716-7-0x0000000006A60000-0x0000000006A68000-memory.dmp

          Filesize

          32KB

        • memory/1716-6-0x0000000006A40000-0x0000000006A52000-memory.dmp

          Filesize

          72KB

        • memory/1716-48-0x00000000752A0000-0x0000000075A50000-memory.dmp

          Filesize

          7.7MB

        • memory/1964-17-0x0000000005700000-0x0000000005D28000-memory.dmp

          Filesize

          6.2MB

        • memory/1964-80-0x00000000076A0000-0x00000000076BA000-memory.dmp

          Filesize

          104KB

        • memory/1964-51-0x0000000006600000-0x000000000664C000-memory.dmp

          Filesize

          304KB

        • memory/1964-53-0x0000000006B30000-0x0000000006B62000-memory.dmp

          Filesize

          200KB

        • memory/1964-52-0x000000007F750000-0x000000007F760000-memory.dmp

          Filesize

          64KB

        • memory/1964-54-0x0000000075B00000-0x0000000075B4C000-memory.dmp

          Filesize

          304KB

        • memory/1964-65-0x0000000006B90000-0x0000000006BAE000-memory.dmp

          Filesize

          120KB

        • memory/1964-64-0x00000000050C0000-0x00000000050D0000-memory.dmp

          Filesize

          64KB

        • memory/1964-66-0x00000000050C0000-0x00000000050D0000-memory.dmp

          Filesize

          64KB

        • memory/1964-95-0x00000000752A0000-0x0000000075A50000-memory.dmp

          Filesize

          7.7MB

        • memory/1964-78-0x0000000007570000-0x0000000007613000-memory.dmp

          Filesize

          652KB

        • memory/1964-15-0x0000000004FD0000-0x0000000005006000-memory.dmp

          Filesize

          216KB

        • memory/1964-16-0x00000000752A0000-0x0000000075A50000-memory.dmp

          Filesize

          7.7MB

        • memory/1964-50-0x0000000006570000-0x000000000658E000-memory.dmp

          Filesize

          120KB

        • memory/1964-21-0x00000000054C0000-0x00000000054E2000-memory.dmp

          Filesize

          136KB

        • memory/1964-25-0x0000000005D30000-0x0000000005D96000-memory.dmp

          Filesize

          408KB

        • memory/1964-83-0x0000000007AB0000-0x0000000007AC1000-memory.dmp

          Filesize

          68KB

        • memory/1964-84-0x0000000007AE0000-0x0000000007AEE000-memory.dmp

          Filesize

          56KB

        • memory/1964-85-0x0000000007AF0000-0x0000000007B04000-memory.dmp

          Filesize

          80KB

        • memory/1964-86-0x0000000007BE0000-0x0000000007BFA000-memory.dmp

          Filesize

          104KB

        • memory/1964-87-0x0000000007B30000-0x0000000007B38000-memory.dmp

          Filesize

          32KB

        • memory/1964-18-0x00000000050C0000-0x00000000050D0000-memory.dmp

          Filesize

          64KB

        • memory/4368-88-0x0000000006730000-0x0000000006780000-memory.dmp

          Filesize

          320KB

        • memory/4368-35-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/4368-46-0x00000000752A0000-0x0000000075A50000-memory.dmp

          Filesize

          7.7MB

        • memory/4368-49-0x00000000055F0000-0x0000000005600000-memory.dmp

          Filesize

          64KB

        • memory/4368-96-0x00000000752A0000-0x0000000075A50000-memory.dmp

          Filesize

          7.7MB

        • memory/4368-97-0x00000000055F0000-0x0000000005600000-memory.dmp

          Filesize

          64KB