Analysis

  • max time kernel
    82s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-07-2023 14:22

General

  • Target

    Euro Swift Copy·PDF.scr

  • Size

    1.3MB

  • MD5

    b67a90c8381e471791cc4e5f7e43829f

  • SHA1

    7ecac5583356989ae599e6a1a096c791b350e7c7

  • SHA256

    6e19455a9618b20fae8404a9b3c9f4f37d2b2cf032faf61d3837b59bf9497666

  • SHA512

    04a8f5ca1793c2bc35451ab617416d2b93a8be3471bb73305d359c96b818b2265e702e37425ee2aafee5e3132cd1a01e235df1174bdee23e3a2b1e694be6d555

  • SSDEEP

    24576:zCdQy7r3oUV2nJEFQ/S26klFhX1Ar7QemnokIUSSm0U:eXgKF4S2z/XOed

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.

  • 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).

  • Gathers network information 2 TTPs 2 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Euro Swift Copy·PDF.scr
    "C:\Users\Admin\AppData\Local\Temp\Euro Swift Copy·PDF.scr" /S
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3312
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ipconfig /release
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1776
      • C:\Windows\SysWOW64\ipconfig.exe
        ipconfig /release
        3⤵
        • Gathers network information
        PID:4960
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAANAA1AA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3508
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ipconfig /renew
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3724
      • C:\Windows\SysWOW64\ipconfig.exe
        ipconfig /renew
        3⤵
        • Gathers network information
        PID:4364
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2248

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nq1t1xii.hdp.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/2248-178-0x0000000004A40000-0x0000000004A50000-memory.dmp

    Filesize

    64KB

  • memory/2248-177-0x0000000074B00000-0x00000000752B0000-memory.dmp

    Filesize

    7.7MB

  • memory/2248-176-0x0000000005CD0000-0x0000000005D20000-memory.dmp

    Filesize

    320KB

  • memory/2248-175-0x0000000005C60000-0x0000000005C6A000-memory.dmp

    Filesize

    40KB

  • memory/2248-174-0x0000000005940000-0x00000000059D2000-memory.dmp

    Filesize

    584KB

  • memory/2248-173-0x0000000004A40000-0x0000000004A50000-memory.dmp

    Filesize

    64KB

  • memory/2248-172-0x0000000004EA0000-0x0000000005444000-memory.dmp

    Filesize

    5.6MB

  • memory/2248-170-0x0000000074B00000-0x00000000752B0000-memory.dmp

    Filesize

    7.7MB

  • memory/2248-168-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/3312-171-0x0000000074B00000-0x00000000752B0000-memory.dmp

    Filesize

    7.7MB

  • memory/3312-159-0x0000000004FB0000-0x0000000004FC0000-memory.dmp

    Filesize

    64KB

  • memory/3312-135-0x0000000074B00000-0x00000000752B0000-memory.dmp

    Filesize

    7.7MB

  • memory/3312-136-0x0000000004FB0000-0x0000000004FC0000-memory.dmp

    Filesize

    64KB

  • memory/3312-137-0x00000000064F0000-0x0000000006512000-memory.dmp

    Filesize

    136KB

  • memory/3312-134-0x0000000000680000-0x00000000007D6000-memory.dmp

    Filesize

    1.3MB

  • memory/3312-158-0x0000000074B00000-0x00000000752B0000-memory.dmp

    Filesize

    7.7MB

  • memory/3508-166-0x0000000074B00000-0x00000000752B0000-memory.dmp

    Filesize

    7.7MB

  • memory/3508-157-0x0000000006570000-0x000000000658A000-memory.dmp

    Filesize

    104KB

  • memory/3508-161-0x0000000002A50000-0x0000000002A60000-memory.dmp

    Filesize

    64KB

  • memory/3508-162-0x0000000002A50000-0x0000000002A60000-memory.dmp

    Filesize

    64KB

  • memory/3508-149-0x00000000059D0000-0x0000000005A36000-memory.dmp

    Filesize

    408KB

  • memory/3508-143-0x0000000005950000-0x00000000059B6000-memory.dmp

    Filesize

    408KB

  • memory/3508-142-0x00000000051F0000-0x0000000005818000-memory.dmp

    Filesize

    6.2MB

  • memory/3508-160-0x0000000074B00000-0x00000000752B0000-memory.dmp

    Filesize

    7.7MB

  • memory/3508-141-0x0000000002A50000-0x0000000002A60000-memory.dmp

    Filesize

    64KB

  • memory/3508-140-0x0000000002A50000-0x0000000002A60000-memory.dmp

    Filesize

    64KB

  • memory/3508-139-0x0000000074B00000-0x00000000752B0000-memory.dmp

    Filesize

    7.7MB

  • memory/3508-138-0x0000000002AA0000-0x0000000002AD6000-memory.dmp

    Filesize

    216KB

  • memory/3508-156-0x00000000076C0000-0x0000000007D3A000-memory.dmp

    Filesize

    6.5MB

  • memory/3508-155-0x0000000002A50000-0x0000000002A60000-memory.dmp

    Filesize

    64KB

  • memory/3508-154-0x0000000006060000-0x000000000607E000-memory.dmp

    Filesize

    120KB