Analysis

  • max time kernel
    96s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-10-2024 07:10

General

  • Target

    hesaphareketi__20241001.exe

  • Size

    700KB

  • MD5

    5eaafeca7053687b46ecffad93c82418

  • SHA1

    457566502545fecd8ea9f2249b755135cd03b69b

  • SHA256

    27ff307b514230b2363e2284e1d57df50bc8a59b5cf8c732dc32d5587d472c64

  • SHA512

    2f05d5e83132e75aa92b629c5ea8147be87ab7818a08d847ffbd4d688f86fcf68b50ebbe9796952140f3fcb0b31f1726b51e4a6cb1aada2b2d59da1cd74482e1

  • SSDEEP

    12288:jeKw3uC2FoKHj3920VH89VuXdJlAVPQTiOR76+yt8j6KGtm2fv6msi:xw/cVHbQ0V1VcPQebbG6IwCK

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\hesaphareketi__20241001.exe
    "C:\Users\Admin\AppData\Local\Temp\hesaphareketi__20241001.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:3860
    • 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\hesaphareketi__20241001.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2948
    • C:\Users\Admin\AppData\Local\Temp\hesaphareketi__20241001.exe
      "C:\Users\Admin\AppData\Local\Temp\hesaphareketi__20241001.exe"
      2⤵
        PID:4428
      • C:\Users\Admin\AppData\Local\Temp\hesaphareketi__20241001.exe
        "C:\Users\Admin\AppData\Local\Temp\hesaphareketi__20241001.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:4920

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\hesaphareketi__20241001.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2ugnpy3y.nne.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/2948-23-0x00000000053B0000-0x00000000053D2000-memory.dmp

      Filesize

      136KB

    • memory/2948-51-0x0000000006E60000-0x0000000006E7A000-memory.dmp

      Filesize

      104KB

    • memory/2948-29-0x0000000005450000-0x00000000054B6000-memory.dmp

      Filesize

      408KB

    • memory/2948-62-0x0000000074EE0000-0x0000000075690000-memory.dmp

      Filesize

      7.7MB

    • memory/2948-59-0x0000000007180000-0x0000000007188000-memory.dmp

      Filesize

      32KB

    • memory/2948-58-0x00000000071A0000-0x00000000071BA000-memory.dmp

      Filesize

      104KB

    • memory/2948-57-0x00000000070A0000-0x00000000070B4000-memory.dmp

      Filesize

      80KB

    • memory/2948-56-0x0000000007090000-0x000000000709E000-memory.dmp

      Filesize

      56KB

    • memory/2948-55-0x0000000007060000-0x0000000007071000-memory.dmp

      Filesize

      68KB

    • memory/2948-54-0x00000000070E0000-0x0000000007176000-memory.dmp

      Filesize

      600KB

    • memory/2948-52-0x0000000006ED0000-0x0000000006EDA000-memory.dmp

      Filesize

      40KB

    • memory/2948-35-0x0000000005B20000-0x0000000005B3E000-memory.dmp

      Filesize

      120KB

    • memory/2948-50-0x00000000074A0000-0x0000000007B1A000-memory.dmp

      Filesize

      6.5MB

    • memory/2948-16-0x0000000002240000-0x0000000002276000-memory.dmp

      Filesize

      216KB

    • memory/2948-18-0x0000000004D30000-0x0000000005358000-memory.dmp

      Filesize

      6.2MB

    • memory/2948-17-0x0000000074EE0000-0x0000000075690000-memory.dmp

      Filesize

      7.7MB

    • memory/2948-19-0x0000000074EE0000-0x0000000075690000-memory.dmp

      Filesize

      7.7MB

    • memory/2948-49-0x0000000006B70000-0x0000000006C13000-memory.dmp

      Filesize

      652KB

    • memory/2948-21-0x0000000074EE0000-0x0000000075690000-memory.dmp

      Filesize

      7.7MB

    • memory/2948-48-0x00000000060E0000-0x00000000060FE000-memory.dmp

      Filesize

      120KB

    • memory/2948-37-0x0000000006B30000-0x0000000006B62000-memory.dmp

      Filesize

      200KB

    • memory/2948-38-0x0000000070B60000-0x0000000070BAC000-memory.dmp

      Filesize

      304KB

    • memory/2948-36-0x0000000005E50000-0x0000000005E9C000-memory.dmp

      Filesize

      304KB

    • memory/2948-34-0x0000000005630000-0x0000000005984000-memory.dmp

      Filesize

      3.3MB

    • memory/3860-15-0x0000000074EE0000-0x0000000075690000-memory.dmp

      Filesize

      7.7MB

    • memory/3860-1-0x0000000000A70000-0x0000000000B26000-memory.dmp

      Filesize

      728KB

    • memory/3860-9-0x00000000014F0000-0x0000000001572000-memory.dmp

      Filesize

      520KB

    • memory/3860-5-0x0000000005580000-0x000000000558A000-memory.dmp

      Filesize

      40KB

    • memory/3860-6-0x0000000005B60000-0x0000000005B7E000-memory.dmp

      Filesize

      120KB

    • memory/3860-4-0x0000000074EE0000-0x0000000075690000-memory.dmp

      Filesize

      7.7MB

    • memory/3860-0-0x0000000074EEE000-0x0000000074EEF000-memory.dmp

      Filesize

      4KB

    • memory/3860-3-0x00000000054D0000-0x0000000005562000-memory.dmp

      Filesize

      584KB

    • memory/3860-7-0x0000000074EEE000-0x0000000074EEF000-memory.dmp

      Filesize

      4KB

    • memory/3860-8-0x0000000074EE0000-0x0000000075690000-memory.dmp

      Filesize

      7.7MB

    • memory/3860-2-0x0000000005BA0000-0x0000000006144000-memory.dmp

      Filesize

      5.6MB

    • memory/3860-10-0x000000000B800000-0x000000000B89C000-memory.dmp

      Filesize

      624KB

    • memory/4920-20-0x00000000052B0000-0x0000000005316000-memory.dmp

      Filesize

      408KB

    • memory/4920-53-0x0000000006070000-0x00000000060C0000-memory.dmp

      Filesize

      320KB

    • memory/4920-14-0x0000000074EE0000-0x0000000075690000-memory.dmp

      Filesize

      7.7MB

    • memory/4920-22-0x0000000074EE0000-0x0000000075690000-memory.dmp

      Filesize

      7.7MB

    • memory/4920-11-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/4920-63-0x0000000074EE0000-0x0000000075690000-memory.dmp

      Filesize

      7.7MB