Analysis

  • max time kernel
    149s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-11-2024 12:57

General

  • Target

    Quotation.exe

  • Size

    654KB

  • MD5

    404a7ca256047297656926bbea03415f

  • SHA1

    de02afb6d97f497ddaa0025a358b501a1ee942e4

  • SHA256

    f03acdb2a846f8060d76c3d81651949b5699a5dee5b2b26ec238872defd12252

  • SHA512

    1c14b08ae8e339936dbaed751e979d2e376d05602ffdc80411d46a0d630b167be071ee9dadf6c478c91cad37441222b196952dffe7f35111d13113ad2a5a3ee1

  • SSDEEP

    12288:c1o7Me/hO6Umv8qUYV/WxdN2LeszNZomchu2/9OOo8fQRI7V6di1NM2B:Ao7ZhO5mv845veaomtk9Ocf7iAD

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.showpiece.trillennium.biz
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    3KJ[T.3]fsSW

Extracted

Family

agenttesla

Credentials

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.

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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\Quotation.exe
    "C:\Users\Admin\AppData\Local\Temp\Quotation.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:4432
    • 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.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:396
    • C:\Users\Admin\AppData\Local\Temp\Quotation.exe
      "C:\Users\Admin\AppData\Local\Temp\Quotation.exe"
      2⤵
        PID:2408
      • C:\Users\Admin\AppData\Local\Temp\Quotation.exe
        "C:\Users\Admin\AppData\Local\Temp\Quotation.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:3160

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_e5uf3dcj.p2x.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/396-50-0x0000000007940000-0x0000000007FBA000-memory.dmp

      Filesize

      6.5MB

    • memory/396-33-0x00000000059F0000-0x0000000005D44000-memory.dmp

      Filesize

      3.3MB

    • memory/396-51-0x0000000007300000-0x000000000731A000-memory.dmp

      Filesize

      104KB

    • memory/396-22-0x0000000005910000-0x0000000005976000-memory.dmp

      Filesize

      408KB

    • memory/396-62-0x0000000074870000-0x0000000075020000-memory.dmp

      Filesize

      7.7MB

    • memory/396-59-0x0000000007620000-0x0000000007628000-memory.dmp

      Filesize

      32KB

    • memory/396-58-0x0000000007640000-0x000000000765A000-memory.dmp

      Filesize

      104KB

    • memory/396-57-0x0000000007540000-0x0000000007554000-memory.dmp

      Filesize

      80KB

    • memory/396-56-0x0000000007530000-0x000000000753E000-memory.dmp

      Filesize

      56KB

    • memory/396-49-0x0000000006FC0000-0x0000000007063000-memory.dmp

      Filesize

      652KB

    • memory/396-55-0x0000000007500000-0x0000000007511000-memory.dmp

      Filesize

      68KB

    • memory/396-48-0x0000000006FA0000-0x0000000006FBE000-memory.dmp

      Filesize

      120KB

    • memory/396-54-0x0000000007580000-0x0000000007616000-memory.dmp

      Filesize

      600KB

    • memory/396-16-0x0000000074870000-0x0000000075020000-memory.dmp

      Filesize

      7.7MB

    • memory/396-38-0x00000000704F0000-0x000000007053C000-memory.dmp

      Filesize

      304KB

    • memory/396-52-0x0000000007370000-0x000000000737A000-memory.dmp

      Filesize

      40KB

    • memory/396-37-0x00000000065A0000-0x00000000065D2000-memory.dmp

      Filesize

      200KB

    • memory/396-20-0x00000000050B0000-0x00000000056D8000-memory.dmp

      Filesize

      6.2MB

    • memory/396-21-0x0000000005010000-0x0000000005032000-memory.dmp

      Filesize

      136KB

    • memory/396-23-0x0000000074870000-0x0000000075020000-memory.dmp

      Filesize

      7.7MB

    • memory/396-36-0x0000000006000000-0x000000000604C000-memory.dmp

      Filesize

      304KB

    • memory/396-35-0x0000000005FD0000-0x0000000005FEE000-memory.dmp

      Filesize

      120KB

    • memory/396-19-0x00000000026F0000-0x0000000002726000-memory.dmp

      Filesize

      216KB

    • memory/396-34-0x0000000074870000-0x0000000075020000-memory.dmp

      Filesize

      7.7MB

    • memory/3160-53-0x00000000067F0000-0x0000000006840000-memory.dmp

      Filesize

      320KB

    • memory/3160-63-0x0000000074870000-0x0000000075020000-memory.dmp

      Filesize

      7.7MB

    • memory/3160-18-0x0000000005180000-0x00000000051E6000-memory.dmp

      Filesize

      408KB

    • memory/3160-17-0x0000000074870000-0x0000000075020000-memory.dmp

      Filesize

      7.7MB

    • memory/3160-14-0x0000000074870000-0x0000000075020000-memory.dmp

      Filesize

      7.7MB

    • memory/3160-11-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/3160-64-0x0000000074870000-0x0000000075020000-memory.dmp

      Filesize

      7.7MB

    • memory/4432-5-0x0000000074870000-0x0000000075020000-memory.dmp

      Filesize

      7.7MB

    • memory/4432-0-0x000000007487E000-0x000000007487F000-memory.dmp

      Filesize

      4KB

    • memory/4432-3-0x0000000004E00000-0x0000000004E92000-memory.dmp

      Filesize

      584KB

    • memory/4432-15-0x0000000074870000-0x0000000075020000-memory.dmp

      Filesize

      7.7MB

    • memory/4432-2-0x00000000053B0000-0x0000000005954000-memory.dmp

      Filesize

      5.6MB

    • memory/4432-10-0x0000000006450000-0x00000000064D6000-memory.dmp

      Filesize

      536KB

    • memory/4432-9-0x0000000074870000-0x0000000075020000-memory.dmp

      Filesize

      7.7MB

    • memory/4432-8-0x0000000005090000-0x00000000050A2000-memory.dmp

      Filesize

      72KB

    • memory/4432-7-0x000000007487E000-0x000000007487F000-memory.dmp

      Filesize

      4KB

    • memory/4432-6-0x00000000050B0000-0x000000000514C000-memory.dmp

      Filesize

      624KB

    • memory/4432-1-0x0000000000300000-0x00000000003AA000-memory.dmp

      Filesize

      680KB

    • memory/4432-4-0x0000000004D90000-0x0000000004D9A000-memory.dmp

      Filesize

      40KB