Analysis

  • max time kernel
    93s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-01-2025 16:05

General

  • Target

    Sigmanly_e26b0860871046c78f03c38d50b4208dab3478c2decfd616ec8fcc4ed9986602.exe

  • Size

    807KB

  • MD5

    26c7aa73526769f273ed73844e684cd9

  • SHA1

    538b444037fd8f77af00200e826a5e4aab917015

  • SHA256

    e26b0860871046c78f03c38d50b4208dab3478c2decfd616ec8fcc4ed9986602

  • SHA512

    a82f36d8b5b7f9fbe20cc599d01520d7299c452d287141b472d796c849db8faba85dace4c9f50dbc697b17cd5d93f02a73db5cec43aed12452c260cbd356d929

  • SSDEEP

    12288:PNaaJeMNR5mHZCbvlIYihHbnLR1qQ9x5/sdmlx+BVimE5Yp:kluUCRpgHbn5b5NWV5E5a

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    payment1759

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 WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Sigmanly_e26b0860871046c78f03c38d50b4208dab3478c2decfd616ec8fcc4ed9986602.exe
    "C:\Users\Admin\AppData\Local\Temp\Sigmanly_e26b0860871046c78f03c38d50b4208dab3478c2decfd616ec8fcc4ed9986602.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:3916
    • 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\Sigmanly_e26b0860871046c78f03c38d50b4208dab3478c2decfd616ec8fcc4ed9986602.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4536
    • C:\Users\Admin\AppData\Local\Temp\Sigmanly_e26b0860871046c78f03c38d50b4208dab3478c2decfd616ec8fcc4ed9986602.exe
      "C:\Users\Admin\AppData\Local\Temp\Sigmanly_e26b0860871046c78f03c38d50b4208dab3478c2decfd616ec8fcc4ed9986602.exe"
      2⤵
        PID:1244
      • C:\Users\Admin\AppData\Local\Temp\Sigmanly_e26b0860871046c78f03c38d50b4208dab3478c2decfd616ec8fcc4ed9986602.exe
        "C:\Users\Admin\AppData\Local\Temp\Sigmanly_e26b0860871046c78f03c38d50b4208dab3478c2decfd616ec8fcc4ed9986602.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2344

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_oytq4s5j.oaw.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/2344-21-0x0000000074510000-0x0000000074CC0000-memory.dmp

      Filesize

      7.7MB

    • memory/2344-18-0x0000000005450000-0x00000000054B6000-memory.dmp

      Filesize

      408KB

    • memory/2344-49-0x0000000006C20000-0x0000000006C70000-memory.dmp

      Filesize

      320KB

    • memory/2344-62-0x0000000074510000-0x0000000074CC0000-memory.dmp

      Filesize

      7.7MB

    • memory/2344-13-0x0000000074510000-0x0000000074CC0000-memory.dmp

      Filesize

      7.7MB

    • memory/2344-11-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/3916-8-0x0000000074510000-0x0000000074CC0000-memory.dmp

      Filesize

      7.7MB

    • memory/3916-7-0x000000007451E000-0x000000007451F000-memory.dmp

      Filesize

      4KB

    • memory/3916-9-0x0000000006690000-0x0000000006712000-memory.dmp

      Filesize

      520KB

    • memory/3916-10-0x00000000068F0000-0x000000000698C000-memory.dmp

      Filesize

      624KB

    • memory/3916-6-0x0000000005630000-0x0000000005648000-memory.dmp

      Filesize

      96KB

    • memory/3916-14-0x0000000074510000-0x0000000074CC0000-memory.dmp

      Filesize

      7.7MB

    • memory/3916-5-0x0000000074510000-0x0000000074CC0000-memory.dmp

      Filesize

      7.7MB

    • memory/3916-4-0x00000000053B0000-0x00000000053BA000-memory.dmp

      Filesize

      40KB

    • memory/3916-3-0x0000000005420000-0x00000000054B2000-memory.dmp

      Filesize

      584KB

    • memory/3916-2-0x00000000059D0000-0x0000000005F74000-memory.dmp

      Filesize

      5.6MB

    • memory/3916-1-0x00000000008E0000-0x00000000009AE000-memory.dmp

      Filesize

      824KB

    • memory/3916-0-0x000000007451E000-0x000000007451F000-memory.dmp

      Filesize

      4KB

    • memory/4536-22-0x0000000074510000-0x0000000074CC0000-memory.dmp

      Filesize

      7.7MB

    • memory/4536-48-0x0000000006EE0000-0x0000000006F83000-memory.dmp

      Filesize

      652KB

    • memory/4536-23-0x0000000074510000-0x0000000074CC0000-memory.dmp

      Filesize

      7.7MB

    • memory/4536-20-0x0000000004DB0000-0x0000000004E16000-memory.dmp

      Filesize

      408KB

    • memory/4536-15-0x00000000023B0000-0x00000000023E6000-memory.dmp

      Filesize

      216KB

    • memory/4536-33-0x0000000005730000-0x0000000005A84000-memory.dmp

      Filesize

      3.3MB

    • memory/4536-34-0x0000000005CC0000-0x0000000005CDE000-memory.dmp

      Filesize

      120KB

    • memory/4536-35-0x0000000005D90000-0x0000000005DDC000-memory.dmp

      Filesize

      304KB

    • memory/4536-36-0x0000000006280000-0x00000000062B2000-memory.dmp

      Filesize

      200KB

    • memory/4536-37-0x0000000070190000-0x00000000701DC000-memory.dmp

      Filesize

      304KB

    • memory/4536-47-0x00000000062C0000-0x00000000062DE000-memory.dmp

      Filesize

      120KB

    • memory/4536-19-0x0000000004C10000-0x0000000004C32000-memory.dmp

      Filesize

      136KB

    • memory/4536-17-0x0000000074510000-0x0000000074CC0000-memory.dmp

      Filesize

      7.7MB

    • memory/4536-50-0x0000000007630000-0x0000000007CAA000-memory.dmp

      Filesize

      6.5MB

    • memory/4536-51-0x0000000006FF0000-0x000000000700A000-memory.dmp

      Filesize

      104KB

    • memory/4536-52-0x0000000007060000-0x000000000706A000-memory.dmp

      Filesize

      40KB

    • memory/4536-53-0x0000000007270000-0x0000000007306000-memory.dmp

      Filesize

      600KB

    • memory/4536-54-0x00000000071F0000-0x0000000007201000-memory.dmp

      Filesize

      68KB

    • memory/4536-55-0x0000000007220000-0x000000000722E000-memory.dmp

      Filesize

      56KB

    • memory/4536-56-0x0000000007230000-0x0000000007244000-memory.dmp

      Filesize

      80KB

    • memory/4536-57-0x0000000007330000-0x000000000734A000-memory.dmp

      Filesize

      104KB

    • memory/4536-58-0x0000000007310000-0x0000000007318000-memory.dmp

      Filesize

      32KB

    • memory/4536-61-0x0000000074510000-0x0000000074CC0000-memory.dmp

      Filesize

      7.7MB

    • memory/4536-16-0x0000000004F20000-0x0000000005548000-memory.dmp

      Filesize

      6.2MB