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Analysis

  • max time kernel
    143s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/03/2023, 14:30

General

  • Target

    SecuriteInfo.com.Trojan.Inject4.30942.29613.29881.exe

  • Size

    1.7MB

  • MD5

    b590f332b0fa48f20e7c9876fd2ec185

  • SHA1

    3914b5911e3265d50d81b700ff980c7013030eb4

  • SHA256

    afaa75058c4de5013c9a5dafba07e7952b354152719d373e18a226de484b7a46

  • SHA512

    421972f8fff817a2f1371d95f11cea5ae85555d4a5fe207e9e3b2d45ef2593580802493a1853043f725a58a88acad8c3610e1a3822370e3cbd11472599ab9ac8

  • SSDEEP

    24576:mGgTwzGtL5DmOlHCeEzyjDjXZCX5OBHCGds9L:m5tNvCeEccX5OEl

Malware Config

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 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Inject4.30942.29613.29881.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Inject4.30942.29613.29881.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3984
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4160
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      2⤵
        PID:4364
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        2⤵
        • Accesses Microsoft Outlook profiles
        • Adds Run key to start application
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:4128

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5rdgvb0f.jif.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/3984-134-0x0000000005AC0000-0x0000000006064000-memory.dmp

      Filesize

      5.6MB

    • memory/3984-135-0x0000000005600000-0x0000000005692000-memory.dmp

      Filesize

      584KB

    • memory/3984-136-0x00000000056A0000-0x00000000056AA000-memory.dmp

      Filesize

      40KB

    • memory/3984-137-0x0000000005870000-0x0000000005880000-memory.dmp

      Filesize

      64KB

    • memory/3984-138-0x0000000005A70000-0x0000000005A92000-memory.dmp

      Filesize

      136KB

    • memory/3984-158-0x0000000005870000-0x0000000005880000-memory.dmp

      Filesize

      64KB

    • memory/3984-133-0x0000000000A90000-0x0000000000C50000-memory.dmp

      Filesize

      1.8MB

    • memory/4128-171-0x00000000051D0000-0x00000000051E0000-memory.dmp

      Filesize

      64KB

    • memory/4128-167-0x00000000051D0000-0x00000000051E0000-memory.dmp

      Filesize

      64KB

    • memory/4128-165-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/4128-169-0x00000000066F0000-0x0000000006740000-memory.dmp

      Filesize

      320KB

    • memory/4128-170-0x0000000006910000-0x0000000006AD2000-memory.dmp

      Filesize

      1.8MB

    • memory/4160-146-0x0000000006230000-0x0000000006296000-memory.dmp

      Filesize

      408KB

    • memory/4160-155-0x00000000053E0000-0x00000000053F0000-memory.dmp

      Filesize

      64KB

    • memory/4160-157-0x0000000006D60000-0x0000000006D7A000-memory.dmp

      Filesize

      104KB

    • memory/4160-156-0x0000000007EC0000-0x000000000853A000-memory.dmp

      Filesize

      6.5MB

    • memory/4160-154-0x0000000006860000-0x000000000687E000-memory.dmp

      Filesize

      120KB

    • memory/4160-159-0x00000000053E0000-0x00000000053F0000-memory.dmp

      Filesize

      64KB

    • memory/4160-160-0x00000000053E0000-0x00000000053F0000-memory.dmp

      Filesize

      64KB

    • memory/4160-161-0x00000000053E0000-0x00000000053F0000-memory.dmp

      Filesize

      64KB

    • memory/4160-143-0x00000000061C0000-0x0000000006226000-memory.dmp

      Filesize

      408KB

    • memory/4160-142-0x00000000053E0000-0x00000000053F0000-memory.dmp

      Filesize

      64KB

    • memory/4160-141-0x00000000053E0000-0x00000000053F0000-memory.dmp

      Filesize

      64KB

    • memory/4160-140-0x0000000005A20000-0x0000000006048000-memory.dmp

      Filesize

      6.2MB

    • memory/4160-139-0x00000000052B0000-0x00000000052E6000-memory.dmp

      Filesize

      216KB