Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-01-2025 13:43

General

  • Target

    Sigmanly_97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe

  • Size

    868KB

  • MD5

    2327e5c20b3cce0be582dbe461480cc2

  • SHA1

    42d14ae8b60e22f36f487d8c3bee1ad43199170f

  • SHA256

    97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1

  • SHA512

    01f3c2ee422ccb7db9acbedc078d0d485508443de3366959df5ab9c4cd5eb67ee5d0dca29ee45c9a09a1adc8509e6bd4b28bdfc325c2310091e960338273009e

  • SSDEEP

    24576:zBXaePxOLRTgnZZSS+5VKGIUuZfEfCk7nXFGxR3X3N:9XaePxOLJgnZ0SQVKGSYCGYxRH3N

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.ercolina-usa.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    nXe0M~WkW&nJ

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.ercolina-usa.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    nXe0M~WkW&nJ

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Sigmanly_97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe
    "C:\Users\Admin\AppData\Local\Temp\Sigmanly_97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.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:1120
    • 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_97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3552
    • C:\Users\Admin\AppData\Local\Temp\Sigmanly_97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe
      "C:\Users\Admin\AppData\Local\Temp\Sigmanly_97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe"
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1972

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vutfdost.rva.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1120-8-0x000000007519E000-0x000000007519F000-memory.dmp

    Filesize

    4KB

  • memory/1120-3-0x0000000004FB0000-0x0000000005042000-memory.dmp

    Filesize

    584KB

  • memory/1120-10-0x0000000006780000-0x0000000006808000-memory.dmp

    Filesize

    544KB

  • memory/1120-9-0x0000000075190000-0x0000000075940000-memory.dmp

    Filesize

    7.7MB

  • memory/1120-5-0x0000000005150000-0x000000000515A000-memory.dmp

    Filesize

    40KB

  • memory/1120-6-0x0000000005210000-0x00000000052AC000-memory.dmp

    Filesize

    624KB

  • memory/1120-7-0x0000000005450000-0x0000000005468000-memory.dmp

    Filesize

    96KB

  • memory/1120-0-0x000000007519E000-0x000000007519F000-memory.dmp

    Filesize

    4KB

  • memory/1120-1-0x00000000004E0000-0x00000000005BE000-memory.dmp

    Filesize

    888KB

  • memory/1120-2-0x0000000005560000-0x0000000005B04000-memory.dmp

    Filesize

    5.6MB

  • memory/1120-4-0x0000000075190000-0x0000000075940000-memory.dmp

    Filesize

    7.7MB

  • memory/1120-16-0x0000000075190000-0x0000000075940000-memory.dmp

    Filesize

    7.7MB

  • memory/1972-14-0x0000000005A20000-0x0000000005A86000-memory.dmp

    Filesize

    408KB

  • memory/1972-15-0x0000000075190000-0x0000000075940000-memory.dmp

    Filesize

    7.7MB

  • memory/1972-12-0x0000000075190000-0x0000000075940000-memory.dmp

    Filesize

    7.7MB

  • memory/1972-63-0x0000000075190000-0x0000000075940000-memory.dmp

    Filesize

    7.7MB

  • memory/1972-55-0x00000000070E0000-0x0000000007130000-memory.dmp

    Filesize

    320KB

  • memory/1972-11-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/3552-21-0x0000000004F10000-0x0000000004F32000-memory.dmp

    Filesize

    136KB

  • memory/3552-48-0x0000000007740000-0x0000000007DBA000-memory.dmp

    Filesize

    6.5MB

  • memory/3552-22-0x00000000056A0000-0x0000000005706000-memory.dmp

    Filesize

    408KB

  • memory/3552-19-0x0000000075190000-0x0000000075940000-memory.dmp

    Filesize

    7.7MB

  • memory/3552-32-0x00000000058F0000-0x0000000005C44000-memory.dmp

    Filesize

    3.3MB

  • memory/3552-33-0x0000000005DD0000-0x0000000005DEE000-memory.dmp

    Filesize

    120KB

  • memory/3552-34-0x0000000005E20000-0x0000000005E6C000-memory.dmp

    Filesize

    304KB

  • memory/3552-35-0x0000000006D90000-0x0000000006DC2000-memory.dmp

    Filesize

    200KB

  • memory/3552-36-0x0000000070E90000-0x0000000070EDC000-memory.dmp

    Filesize

    304KB

  • memory/3552-46-0x00000000063B0000-0x00000000063CE000-memory.dmp

    Filesize

    120KB

  • memory/3552-47-0x0000000006DD0000-0x0000000006E73000-memory.dmp

    Filesize

    652KB

  • memory/3552-20-0x0000000005000000-0x0000000005628000-memory.dmp

    Filesize

    6.2MB

  • memory/3552-51-0x0000000007100000-0x000000000711A000-memory.dmp

    Filesize

    104KB

  • memory/3552-52-0x0000000007170000-0x000000000717A000-memory.dmp

    Filesize

    40KB

  • memory/3552-53-0x0000000007380000-0x0000000007416000-memory.dmp

    Filesize

    600KB

  • memory/3552-54-0x0000000007300000-0x0000000007311000-memory.dmp

    Filesize

    68KB

  • memory/3552-17-0x00000000024F0000-0x0000000002526000-memory.dmp

    Filesize

    216KB

  • memory/3552-56-0x0000000007330000-0x000000000733E000-memory.dmp

    Filesize

    56KB

  • memory/3552-57-0x0000000007340000-0x0000000007354000-memory.dmp

    Filesize

    80KB

  • memory/3552-58-0x0000000007440000-0x000000000745A000-memory.dmp

    Filesize

    104KB

  • memory/3552-59-0x0000000007420000-0x0000000007428000-memory.dmp

    Filesize

    32KB

  • memory/3552-62-0x0000000075190000-0x0000000075940000-memory.dmp

    Filesize

    7.7MB

  • memory/3552-18-0x0000000075190000-0x0000000075940000-memory.dmp

    Filesize

    7.7MB