Analysis

  • max time kernel
    93s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2024 01:39

General

  • Target

    hesaphareketi-20-11-2024-pdf.exe

  • Size

    729KB

  • MD5

    c03cfe58543cfac0dc2008f7d2661efe

  • SHA1

    5ebb7e861c3051047b2be1b27ca12e077f941b19

  • SHA256

    a996deb5e307f8de75baec41051265ad5e3178a42c0424514f6ccac95d236395

  • SHA512

    bffe0428276291aff99e7084a2f3a1f34527e5cdbdcfa860b7eb227cecd2d737920177e77b1ecd95bbaa5898582bdb5173c524aced4afdb317091ee8cf42fde9

  • SSDEEP

    12288:trOU+Ri3AgFdD7VtMxnOsIdwkqUNjvS3ytxS0Tat+4b1uiLjY5euLUCLK9:mQ3AgHXMtIdnHg3ytxS9+4kxpUCLO

Malware Config

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.

  • Agenttesla family
  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\hesaphareketi-20-11-2024-pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\hesaphareketi-20-11-2024-pdf.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:676
    • 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-20-11-2024-pdf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4700
    • C:\Users\Admin\AppData\Local\Temp\hesaphareketi-20-11-2024-pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\hesaphareketi-20-11-2024-pdf.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4472

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\hesaphareketi-20-11-2024-pdf.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tyjrsgvk.25e.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/676-6-0x0000000004F80000-0x000000000501C000-memory.dmp

    Filesize

    624KB

  • memory/676-3-0x0000000004CE0000-0x0000000004D72000-memory.dmp

    Filesize

    584KB

  • memory/676-4-0x0000000075000000-0x00000000757B0000-memory.dmp

    Filesize

    7.7MB

  • memory/676-5-0x0000000004C50000-0x0000000004C5A000-memory.dmp

    Filesize

    40KB

  • memory/676-15-0x0000000075000000-0x00000000757B0000-memory.dmp

    Filesize

    7.7MB

  • memory/676-7-0x000000007500E000-0x000000007500F000-memory.dmp

    Filesize

    4KB

  • memory/676-8-0x0000000004F50000-0x0000000004F62000-memory.dmp

    Filesize

    72KB

  • memory/676-9-0x0000000075000000-0x00000000757B0000-memory.dmp

    Filesize

    7.7MB

  • memory/676-10-0x0000000006200000-0x0000000006284000-memory.dmp

    Filesize

    528KB

  • memory/676-0-0x000000007500E000-0x000000007500F000-memory.dmp

    Filesize

    4KB

  • memory/676-2-0x0000000005290000-0x0000000005834000-memory.dmp

    Filesize

    5.6MB

  • memory/676-1-0x00000000001A0000-0x000000000025C000-memory.dmp

    Filesize

    752KB

  • memory/4472-11-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/4472-14-0x0000000075000000-0x00000000757B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4472-63-0x0000000075000000-0x00000000757B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4472-18-0x0000000075000000-0x00000000757B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4472-52-0x00000000066B0000-0x0000000006700000-memory.dmp

    Filesize

    320KB

  • memory/4472-16-0x0000000005910000-0x0000000005976000-memory.dmp

    Filesize

    408KB

  • memory/4700-49-0x0000000006DC0000-0x0000000006E63000-memory.dmp

    Filesize

    652KB

  • memory/4700-37-0x0000000006310000-0x0000000006342000-memory.dmp

    Filesize

    200KB

  • memory/4700-22-0x0000000005560000-0x00000000055C6000-memory.dmp

    Filesize

    408KB

  • memory/4700-33-0x0000000005640000-0x0000000005994000-memory.dmp

    Filesize

    3.3MB

  • memory/4700-34-0x0000000075000000-0x00000000757B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4700-32-0x0000000075000000-0x00000000757B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4700-35-0x0000000005D30000-0x0000000005D4E000-memory.dmp

    Filesize

    120KB

  • memory/4700-36-0x0000000005FF0000-0x000000000603C000-memory.dmp

    Filesize

    304KB

  • memory/4700-38-0x0000000070C60000-0x0000000070CAC000-memory.dmp

    Filesize

    304KB

  • memory/4700-19-0x0000000004E30000-0x0000000005458000-memory.dmp

    Filesize

    6.2MB

  • memory/4700-48-0x0000000006350000-0x000000000636E000-memory.dmp

    Filesize

    120KB

  • memory/4700-21-0x0000000004D80000-0x0000000004DA2000-memory.dmp

    Filesize

    136KB

  • memory/4700-50-0x00000000076F0000-0x0000000007D6A000-memory.dmp

    Filesize

    6.5MB

  • memory/4700-51-0x0000000007070000-0x000000000708A000-memory.dmp

    Filesize

    104KB

  • memory/4700-20-0x0000000075000000-0x00000000757B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4700-53-0x00000000070E0000-0x00000000070EA000-memory.dmp

    Filesize

    40KB

  • memory/4700-54-0x00000000072F0000-0x0000000007386000-memory.dmp

    Filesize

    600KB

  • memory/4700-55-0x0000000007270000-0x0000000007281000-memory.dmp

    Filesize

    68KB

  • memory/4700-56-0x00000000072A0000-0x00000000072AE000-memory.dmp

    Filesize

    56KB

  • memory/4700-57-0x00000000072B0000-0x00000000072C4000-memory.dmp

    Filesize

    80KB

  • memory/4700-58-0x00000000073B0000-0x00000000073CA000-memory.dmp

    Filesize

    104KB

  • memory/4700-59-0x0000000007390000-0x0000000007398000-memory.dmp

    Filesize

    32KB

  • memory/4700-62-0x0000000075000000-0x00000000757B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4700-17-0x00000000047C0000-0x00000000047F6000-memory.dmp

    Filesize

    216KB