Analysis

  • max time kernel
    139s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-10-2023 06:11

General

  • Target

    AEAT - Aviso de Notificación (2).exe

  • Size

    548KB

  • MD5

    7bbadb55076fd343bed53fb839524c92

  • SHA1

    4bb956cda4ca089cbfdc80f913fb7a2cc5bcc45d

  • SHA256

    74c687d2cbb8e93481530eba3ec627b5d9902901797e67fce58a949b8b50491c

  • SHA512

    d806d10c1df5e988d2a832bee1dc8a2cc22fb196e0abf471e2ceac8ca6dbe797e5b9e197867bcf579a47ed0fbdc6e8781e7bb0250ca1710ffbb95e3c8e1d4130

  • SSDEEP

    12288:EneUsNumB0lMBIlD1WtyDROlTJNR0trAeuq28cZs9I11vg/5:sjyOD1Wt2ON5KLcZsyYh

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • 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 2 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 1 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).

  • Suspicious behavior: EnumeratesProcesses 4 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\AEAT - Aviso de Notificación (2).exe
    "C:\Users\Admin\AppData\Local\Temp\AEAT - Aviso de Notificación (2).exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3524
    • 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\AEAT - Aviso de Notificación (2).exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3080
    • C:\Users\Admin\AppData\Local\Temp\AEAT - Aviso de Notificación (2).exe
      "C:\Users\Admin\AppData\Local\Temp\AEAT - Aviso de Notificación (2).exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4472

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vijfnsm3.4gv.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/3080-54-0x0000000007C10000-0x000000000828A000-memory.dmp

    Filesize

    6.5MB

  • memory/3080-36-0x00000000062D0000-0x000000000631C000-memory.dmp

    Filesize

    304KB

  • memory/3080-34-0x0000000005BC0000-0x0000000005F14000-memory.dmp

    Filesize

    3.3MB

  • memory/3080-70-0x0000000075100000-0x00000000758B0000-memory.dmp

    Filesize

    7.7MB

  • memory/3080-35-0x0000000004EF0000-0x0000000004F0E000-memory.dmp

    Filesize

    120KB

  • memory/3080-66-0x00000000077A0000-0x00000000077A8000-memory.dmp

    Filesize

    32KB

  • memory/3080-65-0x0000000007860000-0x000000000787A000-memory.dmp

    Filesize

    104KB

  • memory/3080-64-0x0000000007770000-0x0000000007784000-memory.dmp

    Filesize

    80KB

  • memory/3080-63-0x0000000007760000-0x000000000776E000-memory.dmp

    Filesize

    56KB

  • memory/3080-62-0x0000000002870000-0x0000000002880000-memory.dmp

    Filesize

    64KB

  • memory/3080-60-0x0000000002870000-0x0000000002880000-memory.dmp

    Filesize

    64KB

  • memory/3080-58-0x0000000007730000-0x0000000007741000-memory.dmp

    Filesize

    68KB

  • memory/3080-57-0x00000000077C0000-0x0000000007856000-memory.dmp

    Filesize

    600KB

  • memory/3080-56-0x00000000075A0000-0x00000000075AA000-memory.dmp

    Filesize

    40KB

  • memory/3080-16-0x0000000075100000-0x00000000758B0000-memory.dmp

    Filesize

    7.7MB

  • memory/3080-42-0x0000000070B30000-0x0000000070B7C000-memory.dmp

    Filesize

    304KB

  • memory/3080-18-0x0000000002880000-0x00000000028B6000-memory.dmp

    Filesize

    216KB

  • memory/3080-55-0x0000000007280000-0x000000000729A000-memory.dmp

    Filesize

    104KB

  • memory/3080-20-0x0000000005250000-0x0000000005878000-memory.dmp

    Filesize

    6.2MB

  • memory/3080-53-0x00000000074E0000-0x0000000007583000-memory.dmp

    Filesize

    652KB

  • memory/3080-22-0x00000000051B0000-0x00000000051D2000-memory.dmp

    Filesize

    136KB

  • memory/3080-23-0x0000000005880000-0x00000000058E6000-memory.dmp

    Filesize

    408KB

  • memory/3080-24-0x00000000058F0000-0x0000000005956000-memory.dmp

    Filesize

    408KB

  • memory/3080-52-0x00000000067C0000-0x00000000067DE000-memory.dmp

    Filesize

    120KB

  • memory/3080-39-0x0000000075100000-0x00000000758B0000-memory.dmp

    Filesize

    7.7MB

  • memory/3080-40-0x000000007EF60000-0x000000007EF70000-memory.dmp

    Filesize

    64KB

  • memory/3080-17-0x0000000002870000-0x0000000002880000-memory.dmp

    Filesize

    64KB

  • memory/3080-41-0x00000000067E0000-0x0000000006812000-memory.dmp

    Filesize

    200KB

  • memory/3080-38-0x0000000002870000-0x0000000002880000-memory.dmp

    Filesize

    64KB

  • memory/3524-5-0x00000000056F0000-0x0000000005700000-memory.dmp

    Filesize

    64KB

  • memory/3524-8-0x00000000056C0000-0x00000000056D8000-memory.dmp

    Filesize

    96KB

  • memory/3524-2-0x0000000075100000-0x00000000758B0000-memory.dmp

    Filesize

    7.7MB

  • memory/3524-3-0x0000000005B10000-0x00000000060B4000-memory.dmp

    Filesize

    5.6MB

  • memory/3524-1-0x00000000009C0000-0x0000000000A50000-memory.dmp

    Filesize

    576KB

  • memory/3524-4-0x0000000005430000-0x00000000054C2000-memory.dmp

    Filesize

    584KB

  • memory/3524-0-0x0000000075100000-0x00000000758B0000-memory.dmp

    Filesize

    7.7MB

  • memory/3524-19-0x0000000075100000-0x00000000758B0000-memory.dmp

    Filesize

    7.7MB

  • memory/3524-6-0x00000000054D0000-0x00000000054DA000-memory.dmp

    Filesize

    40KB

  • memory/3524-7-0x0000000005700000-0x000000000579C000-memory.dmp

    Filesize

    624KB

  • memory/3524-12-0x0000000007090000-0x00000000070F0000-memory.dmp

    Filesize

    384KB

  • memory/3524-9-0x00000000056F0000-0x0000000005700000-memory.dmp

    Filesize

    64KB

  • memory/3524-11-0x0000000005AE0000-0x0000000005AEC000-memory.dmp

    Filesize

    48KB

  • memory/3524-10-0x00000000059C0000-0x00000000059CA000-memory.dmp

    Filesize

    40KB

  • memory/4472-61-0x0000000006C50000-0x0000000006E12000-memory.dmp

    Filesize

    1.8MB

  • memory/4472-59-0x0000000006A30000-0x0000000006A80000-memory.dmp

    Filesize

    320KB

  • memory/4472-37-0x0000000075100000-0x00000000758B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4472-13-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/4472-14-0x0000000075100000-0x00000000758B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4472-67-0x0000000005BF0000-0x0000000005C00000-memory.dmp

    Filesize

    64KB

  • memory/4472-21-0x0000000005BF0000-0x0000000005C00000-memory.dmp

    Filesize

    64KB