Analysis

  • max time kernel
    94s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-10-2024 13:31

General

  • Target

    f19d3e7a7e04ba607a9133d1e8aed617bc6d73ca314407b03c9ddfcce51ec3a4.exe

  • Size

    823KB

  • MD5

    38c9e1cf0e8f09bb1db22c49a68fc9b1

  • SHA1

    3477f20664e2fadde22a6f5d4d96ddbf0a1a6acd

  • SHA256

    f19d3e7a7e04ba607a9133d1e8aed617bc6d73ca314407b03c9ddfcce51ec3a4

  • SHA512

    0d3c2569f44d0a9df80bf8e081ef7cba3d20758c431a25d4e205b9a4db31f9db571a23709a768daffbcd526a295806ff6a06fa4410b04f97ad13dd386250ea99

  • SSDEEP

    12288:38rnrixlaE11WJf4IpuZwrJlxJoUpd0cbXuUj+wyBqTa80udnH2qwgSUu:3g2xla0wJf4SV3r0c/+wyoGgVu

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.normagroup.com.tr
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    Qb.X[.j.Yfm[

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.normagroup.com.tr
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    Qb.X[.j.Yfm[

Signatures

  • AgentTesla

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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 3 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).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f19d3e7a7e04ba607a9133d1e8aed617bc6d73ca314407b03c9ddfcce51ec3a4.exe
    "C:\Users\Admin\AppData\Local\Temp\f19d3e7a7e04ba607a9133d1e8aed617bc6d73ca314407b03c9ddfcce51ec3a4.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4552
    • 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\f19d3e7a7e04ba607a9133d1e8aed617bc6d73ca314407b03c9ddfcce51ec3a4.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4072
    • C:\Users\Admin\AppData\Local\Temp\f19d3e7a7e04ba607a9133d1e8aed617bc6d73ca314407b03c9ddfcce51ec3a4.exe
      "C:\Users\Admin\AppData\Local\Temp\f19d3e7a7e04ba607a9133d1e8aed617bc6d73ca314407b03c9ddfcce51ec3a4.exe"
      2⤵
        PID:4592
      • C:\Users\Admin\AppData\Local\Temp\f19d3e7a7e04ba607a9133d1e8aed617bc6d73ca314407b03c9ddfcce51ec3a4.exe
        "C:\Users\Admin\AppData\Local\Temp\f19d3e7a7e04ba607a9133d1e8aed617bc6d73ca314407b03c9ddfcce51ec3a4.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2904

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\f19d3e7a7e04ba607a9133d1e8aed617bc6d73ca314407b03c9ddfcce51ec3a4.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_q344ezrr.d5p.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/2904-11-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2904-58-0x0000000006240000-0x0000000006290000-memory.dmp

      Filesize

      320KB

    • memory/2904-34-0x00000000747A0000-0x0000000074F50000-memory.dmp

      Filesize

      7.7MB

    • memory/2904-63-0x00000000747A0000-0x0000000074F50000-memory.dmp

      Filesize

      7.7MB

    • memory/2904-15-0x00000000747A0000-0x0000000074F50000-memory.dmp

      Filesize

      7.7MB

    • memory/2904-20-0x0000000005400000-0x0000000005466000-memory.dmp

      Filesize

      408KB

    • memory/4072-14-0x0000000004D20000-0x0000000004D56000-memory.dmp

      Filesize

      216KB

    • memory/4072-59-0x0000000007940000-0x0000000007948000-memory.dmp

      Filesize

      32KB

    • memory/4072-57-0x0000000007960000-0x000000000797A000-memory.dmp

      Filesize

      104KB

    • memory/4072-56-0x0000000007860000-0x0000000007874000-memory.dmp

      Filesize

      80KB

    • memory/4072-55-0x0000000007850000-0x000000000785E000-memory.dmp

      Filesize

      56KB

    • memory/4072-54-0x0000000007820000-0x0000000007831000-memory.dmp

      Filesize

      68KB

    • memory/4072-53-0x00000000078A0000-0x0000000007936000-memory.dmp

      Filesize

      600KB

    • memory/4072-18-0x00000000747A0000-0x0000000074F50000-memory.dmp

      Filesize

      7.7MB

    • memory/4072-17-0x00000000053F0000-0x0000000005A18000-memory.dmp

      Filesize

      6.2MB

    • memory/4072-50-0x0000000007C60000-0x00000000082DA000-memory.dmp

      Filesize

      6.5MB

    • memory/4072-19-0x00000000747A0000-0x0000000074F50000-memory.dmp

      Filesize

      7.7MB

    • memory/4072-32-0x00000000747A0000-0x0000000074F50000-memory.dmp

      Filesize

      7.7MB

    • memory/4072-21-0x0000000005350000-0x0000000005372000-memory.dmp

      Filesize

      136KB

    • memory/4072-22-0x0000000005A20000-0x0000000005A86000-memory.dmp

      Filesize

      408KB

    • memory/4072-62-0x00000000747A0000-0x0000000074F50000-memory.dmp

      Filesize

      7.7MB

    • memory/4072-52-0x0000000007690000-0x000000000769A000-memory.dmp

      Filesize

      40KB

    • memory/4072-51-0x0000000007620000-0x000000000763A000-memory.dmp

      Filesize

      104KB

    • memory/4072-33-0x0000000005DC0000-0x0000000006114000-memory.dmp

      Filesize

      3.3MB

    • memory/4072-35-0x00000000062E0000-0x00000000062FE000-memory.dmp

      Filesize

      120KB

    • memory/4072-36-0x0000000006300000-0x000000000634C000-memory.dmp

      Filesize

      304KB

    • memory/4072-37-0x0000000007290000-0x00000000072C2000-memory.dmp

      Filesize

      200KB

    • memory/4072-38-0x0000000070420000-0x000000007046C000-memory.dmp

      Filesize

      304KB

    • memory/4072-48-0x00000000072D0000-0x00000000072EE000-memory.dmp

      Filesize

      120KB

    • memory/4072-49-0x00000000072F0000-0x0000000007393000-memory.dmp

      Filesize

      652KB

    • memory/4552-16-0x00000000747A0000-0x0000000074F50000-memory.dmp

      Filesize

      7.7MB

    • memory/4552-4-0x00000000747A0000-0x0000000074F50000-memory.dmp

      Filesize

      7.7MB

    • memory/4552-9-0x0000000006510000-0x0000000006592000-memory.dmp

      Filesize

      520KB

    • memory/4552-1-0x0000000000680000-0x0000000000752000-memory.dmp

      Filesize

      840KB

    • memory/4552-3-0x0000000005000000-0x0000000005092000-memory.dmp

      Filesize

      584KB

    • memory/4552-2-0x00000000055B0000-0x0000000005B54000-memory.dmp

      Filesize

      5.6MB

    • memory/4552-0-0x00000000747AE000-0x00000000747AF000-memory.dmp

      Filesize

      4KB

    • memory/4552-10-0x0000000008C70000-0x0000000008D0C000-memory.dmp

      Filesize

      624KB

    • memory/4552-8-0x00000000747A0000-0x0000000074F50000-memory.dmp

      Filesize

      7.7MB

    • memory/4552-7-0x00000000747AE000-0x00000000747AF000-memory.dmp

      Filesize

      4KB

    • memory/4552-6-0x0000000006690000-0x00000000066A2000-memory.dmp

      Filesize

      72KB

    • memory/4552-5-0x00000000051B0000-0x00000000051BA000-memory.dmp

      Filesize

      40KB