Analysis

  • max time kernel
    133s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-12-2023 10:18

General

  • Target

    SecuriteInfo.com.Win32.PWSX-gen.22941.9792.exe

  • Size

    614KB

  • MD5

    c76751eb111c227d587f5aff012df2fc

  • SHA1

    89069a18e42fc15da8d221893dbadef9715ce5c8

  • SHA256

    3f479de77fd65ff82d89c44b941aedd81d9afe93093699e40ba82b02e058719a

  • SHA512

    39b7642c99bace5f1a1577a58cdb702fb384dbabeff28e9044a373b4f1e4c8a05e672c52e4ac21d16503afec5ec2f6656506a73901d8233c620f3110be6d827e

  • SSDEEP

    12288:z3IU8S6eUdSTThn7IDPAbXopeOBA2TiE20XpMaqzIH+YOL:DItSAduhI0bXoVwEIamDH

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect ZGRat V1 1 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • 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 WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.22941.9792.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.22941.9792.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4696
    • 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\SecuriteInfo.com.Win32.PWSX-gen.22941.9792.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1848
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\uCxRFk.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4124
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uCxRFk" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFFEB.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3056
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4760
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4760 -s 1464
        3⤵
        • Program crash
        PID:2520
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4760 -ip 4760
    1⤵
      PID:3832

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    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

      5764b2bc75f0444288f9dee9b92a4570

      SHA1

      36cbc0da3343985e665b2a0172e6681799d67157

      SHA256

      7ac899f57a3945f646213f0f4f70f9ee9867e82b58fcba0b01dd14f6c5fa70f2

      SHA512

      74bb9259887b8aa93ac19e497a8fb430bc11fa8c32a944e29a951b1d50242224013e93232719a005100fbeb9335e292e52f154fa762ecb21aaca23405737f797

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jmmssr5z.epq.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

      Filesize

      1KB

      MD5

      9c0c5a238913851e1d64a06bc05273ca

      SHA1

      56d5fb319106a6d756ea14db8043c0875fd63018

      SHA256

      7b413541645fa5aff96d27ed9eea7ed1bdb0b98d9cb1ced3e7eb774dbeaaa629

      SHA512

      e9a89768c193700a546195454cd9df57c3bfc789c471e04075b9bb859e146342c5f9c4d621d6bc2e2816ac259eacb859bd76c11ae64f3510eccc024cb8eab6bb

    • memory/1848-58-0x0000000006DD0000-0x0000000006E02000-memory.dmp

      Filesize

      200KB

    • memory/1848-28-0x0000000006150000-0x00000000061B6000-memory.dmp

      Filesize

      408KB

    • memory/1848-90-0x0000000007E20000-0x0000000007E28000-memory.dmp

      Filesize

      32KB

    • memory/1848-89-0x0000000007E40000-0x0000000007E5A000-memory.dmp

      Filesize

      104KB

    • memory/1848-88-0x0000000007D40000-0x0000000007D54000-memory.dmp

      Filesize

      80KB

    • memory/1848-86-0x0000000007D00000-0x0000000007D11000-memory.dmp

      Filesize

      68KB

    • memory/1848-83-0x0000000007B00000-0x0000000007B1A000-memory.dmp

      Filesize

      104KB

    • memory/1848-80-0x00000000079D0000-0x0000000007A73000-memory.dmp

      Filesize

      652KB

    • memory/1848-70-0x0000000075920000-0x000000007596C000-memory.dmp

      Filesize

      304KB

    • memory/1848-17-0x0000000002EB0000-0x0000000002EE6000-memory.dmp

      Filesize

      216KB

    • memory/1848-18-0x0000000075080000-0x0000000075830000-memory.dmp

      Filesize

      7.7MB

    • memory/1848-19-0x0000000003040000-0x0000000003050000-memory.dmp

      Filesize

      64KB

    • memory/1848-20-0x0000000003040000-0x0000000003050000-memory.dmp

      Filesize

      64KB

    • memory/1848-21-0x0000000005A00000-0x0000000006028000-memory.dmp

      Filesize

      6.2MB

    • memory/1848-55-0x0000000003040000-0x0000000003050000-memory.dmp

      Filesize

      64KB

    • memory/1848-53-0x00000000067F0000-0x000000000680E000-memory.dmp

      Filesize

      120KB

    • memory/1848-96-0x0000000075080000-0x0000000075830000-memory.dmp

      Filesize

      7.7MB

    • memory/1848-27-0x00000000060E0000-0x0000000006146000-memory.dmp

      Filesize

      408KB

    • memory/4124-26-0x0000000005180000-0x00000000051A2000-memory.dmp

      Filesize

      136KB

    • memory/4124-59-0x0000000075920000-0x000000007596C000-memory.dmp

      Filesize

      304KB

    • memory/4124-48-0x0000000005A60000-0x0000000005DB4000-memory.dmp

      Filesize

      3.3MB

    • memory/4124-24-0x0000000004CA0000-0x0000000004CB0000-memory.dmp

      Filesize

      64KB

    • memory/4124-97-0x0000000075080000-0x0000000075830000-memory.dmp

      Filesize

      7.7MB

    • memory/4124-87-0x00000000075A0000-0x00000000075AE000-memory.dmp

      Filesize

      56KB

    • memory/4124-85-0x00000000075F0000-0x0000000007686000-memory.dmp

      Filesize

      600KB

    • memory/4124-84-0x00000000073E0000-0x00000000073EA000-memory.dmp

      Filesize

      40KB

    • memory/4124-82-0x00000000079B0000-0x000000000802A000-memory.dmp

      Filesize

      6.5MB

    • memory/4124-23-0x0000000004CA0000-0x0000000004CB0000-memory.dmp

      Filesize

      64KB

    • memory/4124-54-0x00000000060A0000-0x00000000060EC000-memory.dmp

      Filesize

      304KB

    • memory/4124-22-0x0000000075080000-0x0000000075830000-memory.dmp

      Filesize

      7.7MB

    • memory/4124-56-0x0000000004CA0000-0x0000000004CB0000-memory.dmp

      Filesize

      64KB

    • memory/4124-69-0x0000000006620000-0x000000000663E000-memory.dmp

      Filesize

      120KB

    • memory/4124-57-0x000000007F570000-0x000000007F580000-memory.dmp

      Filesize

      64KB

    • memory/4696-0-0x0000000075080000-0x0000000075830000-memory.dmp

      Filesize

      7.7MB

    • memory/4696-5-0x0000000004F40000-0x0000000004F4A000-memory.dmp

      Filesize

      40KB

    • memory/4696-3-0x0000000004E80000-0x0000000004F12000-memory.dmp

      Filesize

      584KB

    • memory/4696-12-0x0000000004E20000-0x0000000004E30000-memory.dmp

      Filesize

      64KB

    • memory/4696-4-0x0000000004E20000-0x0000000004E30000-memory.dmp

      Filesize

      64KB

    • memory/4696-11-0x0000000075080000-0x0000000075830000-memory.dmp

      Filesize

      7.7MB

    • memory/4696-10-0x000000000BB00000-0x000000000BB9C000-memory.dmp

      Filesize

      624KB

    • memory/4696-1-0x0000000000430000-0x00000000004D0000-memory.dmp

      Filesize

      640KB

    • memory/4696-9-0x0000000006400000-0x000000000647C000-memory.dmp

      Filesize

      496KB

    • memory/4696-52-0x0000000075080000-0x0000000075830000-memory.dmp

      Filesize

      7.7MB

    • memory/4696-8-0x0000000005230000-0x000000000523A000-memory.dmp

      Filesize

      40KB

    • memory/4696-7-0x0000000005220000-0x0000000005228000-memory.dmp

      Filesize

      32KB

    • memory/4696-6-0x00000000051F0000-0x0000000005208000-memory.dmp

      Filesize

      96KB

    • memory/4696-2-0x0000000005350000-0x00000000058F4000-memory.dmp

      Filesize

      5.6MB

    • memory/4760-51-0x0000000005000000-0x0000000005010000-memory.dmp

      Filesize

      64KB

    • memory/4760-39-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/4760-49-0x0000000075080000-0x0000000075830000-memory.dmp

      Filesize

      7.7MB

    • memory/4760-98-0x0000000075080000-0x0000000075830000-memory.dmp

      Filesize

      7.7MB