Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-05-2024 13:30

General

  • Target

    Quotation - 00645.exe

  • Size

    811KB

  • MD5

    42f4ad74b08ac8e44928083706bc422a

  • SHA1

    6e7082c542a8a1ed54fa7287d163e64eba98ee4f

  • SHA256

    ba38c374f40119a4acbdab2bc171043b87bae2d299b2628f2a02da87e851c97f

  • SHA512

    a281a626525da1db4b166711e7cbc23e76ce7bcfaf9d8e5f550461b9b7016bd834961ee2824134334c20c011434c61b8b5a44d3e9e8d875c8380883f3adfafad

  • SSDEEP

    12288:08ps2o+FgfSy9Sm9LrvwJhlfydchnczs04mIXeY14:08pHhdy9SBffjhcoZhV1

Malware Config

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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Quotation - 00645.exe
    "C:\Users\Admin\AppData\Local\Temp\Quotation - 00645.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4340
    • 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\Quotation - 00645.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1944
    • C:\Users\Admin\AppData\Local\Temp\Quotation - 00645.exe
      "C:\Users\Admin\AppData\Local\Temp\Quotation - 00645.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3792

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Quotation - 00645.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dalixsiz.mx3.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1944-48-0x00000000078E0000-0x0000000007F5A000-memory.dmp

    Filesize

    6.5MB

  • memory/1944-50-0x0000000007310000-0x000000000731A000-memory.dmp

    Filesize

    40KB

  • memory/1944-61-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/1944-58-0x00000000075C0000-0x00000000075C8000-memory.dmp

    Filesize

    32KB

  • memory/1944-57-0x00000000075E0000-0x00000000075FA000-memory.dmp

    Filesize

    104KB

  • memory/1944-33-0x0000000005F60000-0x0000000005F7E000-memory.dmp

    Filesize

    120KB

  • memory/1944-56-0x00000000074E0000-0x00000000074F4000-memory.dmp

    Filesize

    80KB

  • memory/1944-32-0x0000000005920000-0x0000000005C74000-memory.dmp

    Filesize

    3.3MB

  • memory/1944-55-0x00000000074D0000-0x00000000074DE000-memory.dmp

    Filesize

    56KB

  • memory/1944-54-0x00000000074A0000-0x00000000074B1000-memory.dmp

    Filesize

    68KB

  • memory/1944-52-0x0000000007520000-0x00000000075B6000-memory.dmp

    Filesize

    600KB

  • memory/1944-34-0x0000000005FA0000-0x0000000005FEC000-memory.dmp

    Filesize

    304KB

  • memory/1944-49-0x00000000072A0000-0x00000000072BA000-memory.dmp

    Filesize

    104KB

  • memory/1944-47-0x0000000006F60000-0x0000000007003000-memory.dmp

    Filesize

    652KB

  • memory/1944-18-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/1944-17-0x0000000002680000-0x00000000026B6000-memory.dmp

    Filesize

    216KB

  • memory/1944-19-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/1944-20-0x0000000005170000-0x0000000005798000-memory.dmp

    Filesize

    6.2MB

  • memory/1944-21-0x0000000004FA0000-0x0000000004FC2000-memory.dmp

    Filesize

    136KB

  • memory/1944-22-0x0000000005040000-0x00000000050A6000-memory.dmp

    Filesize

    408KB

  • memory/1944-46-0x0000000006EF0000-0x0000000006F0E000-memory.dmp

    Filesize

    120KB

  • memory/1944-36-0x0000000070620000-0x000000007066C000-memory.dmp

    Filesize

    304KB

  • memory/1944-35-0x0000000006F10000-0x0000000006F42000-memory.dmp

    Filesize

    200KB

  • memory/3792-51-0x0000000006510000-0x0000000006560000-memory.dmp

    Filesize

    320KB

  • memory/3792-14-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/3792-62-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/3792-10-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/3792-16-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/3792-53-0x0000000006730000-0x00000000068F2000-memory.dmp

    Filesize

    1.8MB

  • memory/3792-15-0x0000000004FE0000-0x0000000005046000-memory.dmp

    Filesize

    408KB

  • memory/4340-13-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/4340-3-0x0000000005140000-0x00000000051D2000-memory.dmp

    Filesize

    584KB

  • memory/4340-7-0x00000000052D0000-0x00000000052E0000-memory.dmp

    Filesize

    64KB

  • memory/4340-0-0x00000000749CE000-0x00000000749CF000-memory.dmp

    Filesize

    4KB

  • memory/4340-2-0x00000000056F0000-0x0000000005C94000-memory.dmp

    Filesize

    5.6MB

  • memory/4340-5-0x00000000052E0000-0x00000000052EA000-memory.dmp

    Filesize

    40KB

  • memory/4340-8-0x0000000005650000-0x00000000056C0000-memory.dmp

    Filesize

    448KB

  • memory/4340-6-0x00000000052F0000-0x000000000530A000-memory.dmp

    Filesize

    104KB

  • memory/4340-1-0x00000000006B0000-0x0000000000782000-memory.dmp

    Filesize

    840KB

  • memory/4340-4-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/4340-9-0x00000000084E0000-0x000000000857C000-memory.dmp

    Filesize

    624KB