Analysis

  • max time kernel
    132s
  • max time network
    117s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 12:31

General

  • Target

    PURCHASE ORDERPO2RU2024.pdf.exe

  • Size

    655KB

  • MD5

    0218ec5f4de9dc0121ed37aa6fa29955

  • SHA1

    f27dd6706c8ff4fee9f44014c678a39051a07b7f

  • SHA256

    63dc3769ba6c3bfb7c98266782f767689ec924d22c83d707f46a2166899463fa

  • SHA512

    8e2399fd27d811ea093bd63a8adee2099d4f32d2235804304405dedfcd32c5042388de0cbd1d7e3c19bc9ca547634293a5ba59b0bafbed4218b362ac4f00deb3

  • SSDEEP

    12288:Ucjmzi8LkpEav2CIqkV3cPSzbKohtG6dyh7tl5sitFQsIlFPlC37tMnpkaqJ:tS2jEr1VV3cP8bKgG6IZl5BFIlFPc3p7

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.alfainterplast.com.ua
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    pay2024password$$

Extracted

Family

agenttesla

Credentials

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 2 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).

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDERPO2RU2024.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDERPO2RU2024.pdf.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2884
    • 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\PURCHASE ORDERPO2RU2024.pdf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3284
    • C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDERPO2RU2024.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDERPO2RU2024.pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2492

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PURCHASE ORDERPO2RU2024.pdf.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_44r5gbtf.1ry.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/2492-10-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2492-33-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/2492-54-0x0000000006470000-0x00000000064C0000-memory.dmp

    Filesize

    320KB

  • memory/2492-16-0x0000000005650000-0x00000000056B6000-memory.dmp

    Filesize

    408KB

  • memory/2492-62-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/2492-13-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/2884-4-0x00000000054A0000-0x00000000054AA000-memory.dmp

    Filesize

    40KB

  • memory/2884-9-0x0000000008F80000-0x000000000901C000-memory.dmp

    Filesize

    624KB

  • memory/2884-8-0x0000000006940000-0x00000000069C2000-memory.dmp

    Filesize

    520KB

  • memory/2884-7-0x0000000006410000-0x0000000006420000-memory.dmp

    Filesize

    64KB

  • memory/2884-6-0x0000000006920000-0x000000000693A000-memory.dmp

    Filesize

    104KB

  • memory/2884-14-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/2884-5-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/2884-0-0x000000007487E000-0x000000007487F000-memory.dmp

    Filesize

    4KB

  • memory/2884-3-0x00000000052C0000-0x0000000005352000-memory.dmp

    Filesize

    584KB

  • memory/2884-2-0x0000000005960000-0x0000000005F04000-memory.dmp

    Filesize

    5.6MB

  • memory/2884-1-0x0000000000840000-0x00000000008EA000-memory.dmp

    Filesize

    680KB

  • memory/3284-19-0x0000000005F00000-0x0000000005F22000-memory.dmp

    Filesize

    136KB

  • memory/3284-48-0x0000000007980000-0x0000000007A23000-memory.dmp

    Filesize

    652KB

  • memory/3284-20-0x0000000005FA0000-0x0000000006006000-memory.dmp

    Filesize

    408KB

  • memory/3284-31-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/3284-17-0x0000000005870000-0x0000000005E98000-memory.dmp

    Filesize

    6.2MB

  • memory/3284-32-0x0000000006140000-0x0000000006494000-memory.dmp

    Filesize

    3.3MB

  • memory/3284-34-0x0000000006780000-0x000000000679E000-memory.dmp

    Filesize

    120KB

  • memory/3284-35-0x0000000006D00000-0x0000000006D4C000-memory.dmp

    Filesize

    304KB

  • memory/3284-36-0x0000000006D50000-0x0000000006D82000-memory.dmp

    Filesize

    200KB

  • memory/3284-37-0x00000000704F0000-0x000000007053C000-memory.dmp

    Filesize

    304KB

  • memory/3284-47-0x0000000006D90000-0x0000000006DAE000-memory.dmp

    Filesize

    120KB

  • memory/3284-21-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/3284-50-0x0000000007AB0000-0x0000000007ACA000-memory.dmp

    Filesize

    104KB

  • memory/3284-49-0x00000000080F0000-0x000000000876A000-memory.dmp

    Filesize

    6.5MB

  • memory/3284-51-0x0000000007B20000-0x0000000007B2A000-memory.dmp

    Filesize

    40KB

  • memory/3284-52-0x0000000007D30000-0x0000000007DC6000-memory.dmp

    Filesize

    600KB

  • memory/3284-53-0x0000000007CB0000-0x0000000007CC1000-memory.dmp

    Filesize

    68KB

  • memory/3284-18-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/3284-55-0x0000000007CE0000-0x0000000007CEE000-memory.dmp

    Filesize

    56KB

  • memory/3284-56-0x0000000007CF0000-0x0000000007D04000-memory.dmp

    Filesize

    80KB

  • memory/3284-57-0x0000000007DF0000-0x0000000007E0A000-memory.dmp

    Filesize

    104KB

  • memory/3284-58-0x0000000007DD0000-0x0000000007DD8000-memory.dmp

    Filesize

    32KB

  • memory/3284-61-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/3284-15-0x00000000051E0000-0x0000000005216000-memory.dmp

    Filesize

    216KB