Analysis

  • max time kernel
    124s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250313-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/03/2025, 11:55

General

  • Target

    Transferencia.exe

  • Size

    607KB

  • MD5

    392233b61d8c35ee4f7c8bb1159534cf

  • SHA1

    381caa3d5a92736891424e5fcb4b19f8a88f4733

  • SHA256

    fc957edc0417e909aae5b70e151fd0c51362ff2efd6afe433ce1b92258fcc9cf

  • SHA512

    220419286d620562e022693fd6e786ef952215c39814e876efeaad789339ff1e10601e5dce758f44b3068b2faf2485e3ea7e4fbfcd8b666d8cac02054218a822

  • SSDEEP

    12288:KQ2iNczJ+Wnqn++BrVc08+r/3uZGMMX9pEVq5XC2peRYbVi+TStmAFCM07v:l1qzMHr7883kGFpr5XCbtmAQ3

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot8046970687:AAE86CdNXbS3TQ4T-piDLSQDOwzq2IS8a68/sendMessage?chat_id=5692813672

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Snakekeylogger 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 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 3 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
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Transferencia.exe
    "C:\Users\Admin\AppData\Local\Temp\Transferencia.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:5096
    • 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\Transferencia.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2784
    • C:\Users\Admin\AppData\Local\Temp\Transferencia.exe
      "C:\Users\Admin\AppData\Local\Temp\Transferencia.exe"
      2⤵
        PID:4524
      • C:\Users\Admin\AppData\Local\Temp\Transferencia.exe
        "C:\Users\Admin\AppData\Local\Temp\Transferencia.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:1276

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nvncoxr1.0p4.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/1276-11-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/1276-63-0x0000000006C90000-0x0000000006E52000-memory.dmp

      Filesize

      1.8MB

    • memory/1276-62-0x0000000006A70000-0x0000000006AC0000-memory.dmp

      Filesize

      320KB

    • memory/1276-61-0x0000000074F20000-0x00000000756D0000-memory.dmp

      Filesize

      7.7MB

    • memory/1276-18-0x0000000074F20000-0x00000000756D0000-memory.dmp

      Filesize

      7.7MB

    • memory/1276-13-0x0000000074F20000-0x00000000756D0000-memory.dmp

      Filesize

      7.7MB

    • memory/2784-21-0x0000000005490000-0x00000000054B2000-memory.dmp

      Filesize

      136KB

    • memory/2784-53-0x0000000007900000-0x0000000007911000-memory.dmp

      Filesize

      68KB

    • memory/2784-60-0x0000000074F20000-0x00000000756D0000-memory.dmp

      Filesize

      7.7MB

    • memory/2784-57-0x0000000007A20000-0x0000000007A28000-memory.dmp

      Filesize

      32KB

    • memory/2784-56-0x0000000007A40000-0x0000000007A5A000-memory.dmp

      Filesize

      104KB

    • memory/2784-55-0x0000000007940000-0x0000000007954000-memory.dmp

      Filesize

      80KB

    • memory/2784-54-0x0000000007930000-0x000000000793E000-memory.dmp

      Filesize

      56KB

    • memory/2784-16-0x0000000074F20000-0x00000000756D0000-memory.dmp

      Filesize

      7.7MB

    • memory/2784-15-0x0000000004DA0000-0x0000000004DD6000-memory.dmp

      Filesize

      216KB

    • memory/2784-17-0x0000000074F20000-0x00000000756D0000-memory.dmp

      Filesize

      7.7MB

    • memory/2784-52-0x0000000007980000-0x0000000007A16000-memory.dmp

      Filesize

      600KB

    • memory/2784-19-0x00000000055C0000-0x0000000005BE8000-memory.dmp

      Filesize

      6.2MB

    • memory/2784-20-0x0000000074F20000-0x00000000756D0000-memory.dmp

      Filesize

      7.7MB

    • memory/2784-22-0x0000000005530000-0x0000000005596000-memory.dmp

      Filesize

      408KB

    • memory/2784-23-0x0000000005D20000-0x0000000005D86000-memory.dmp

      Filesize

      408KB

    • memory/2784-51-0x0000000007780000-0x000000000778A000-memory.dmp

      Filesize

      40KB

    • memory/2784-24-0x0000000005D90000-0x00000000060E4000-memory.dmp

      Filesize

      3.3MB

    • memory/2784-50-0x0000000007700000-0x000000000771A000-memory.dmp

      Filesize

      104KB

    • memory/2784-34-0x00000000063E0000-0x00000000063FE000-memory.dmp

      Filesize

      120KB

    • memory/2784-35-0x0000000006470000-0x00000000064BC000-memory.dmp

      Filesize

      304KB

    • memory/2784-37-0x0000000070800000-0x000000007084C000-memory.dmp

      Filesize

      304KB

    • memory/2784-36-0x00000000069B0000-0x00000000069E2000-memory.dmp

      Filesize

      200KB

    • memory/2784-47-0x0000000006980000-0x000000000699E000-memory.dmp

      Filesize

      120KB

    • memory/2784-48-0x00000000075C0000-0x0000000007663000-memory.dmp

      Filesize

      652KB

    • memory/2784-49-0x0000000007D50000-0x00000000083CA000-memory.dmp

      Filesize

      6.5MB

    • memory/5096-5-0x0000000074F20000-0x00000000756D0000-memory.dmp

      Filesize

      7.7MB

    • memory/5096-0-0x0000000074F2E000-0x0000000074F2F000-memory.dmp

      Filesize

      4KB

    • memory/5096-4-0x0000000004ED0000-0x0000000004EDA000-memory.dmp

      Filesize

      40KB

    • memory/5096-8-0x0000000074F2E000-0x0000000074F2F000-memory.dmp

      Filesize

      4KB

    • memory/5096-14-0x0000000074F20000-0x00000000756D0000-memory.dmp

      Filesize

      7.7MB

    • memory/5096-6-0x0000000005110000-0x00000000051AC000-memory.dmp

      Filesize

      624KB

    • memory/5096-7-0x00000000050E0000-0x00000000050F8000-memory.dmp

      Filesize

      96KB

    • memory/5096-10-0x00000000060B0000-0x000000000611C000-memory.dmp

      Filesize

      432KB

    • memory/5096-9-0x0000000074F20000-0x00000000756D0000-memory.dmp

      Filesize

      7.7MB

    • memory/5096-3-0x0000000004E30000-0x0000000004EC2000-memory.dmp

      Filesize

      584KB

    • memory/5096-2-0x00000000054E0000-0x0000000005A84000-memory.dmp

      Filesize

      5.6MB

    • memory/5096-1-0x00000000003A0000-0x000000000043E000-memory.dmp

      Filesize

      632KB