Analysis

  • max time kernel
    140s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-10-2023 22:03

General

  • Target

    Notificación-AEAT.exe

  • Size

    549KB

  • MD5

    2c260000648353220da2b3c5d82ac53e

  • SHA1

    f1833907ce38f01d3090a44fba6a98a1eaa67961

  • SHA256

    2259a3953f2af44474abc16d87d444b1776487e5a51dc11f7f49c1e04df68c23

  • SHA512

    fc53ea4fa7e0faad4f9a34de4d84871b483ba77ef221b0a9187f427fe7f9b3ab73b7263a8bbc050470c34332aecfed525eba2cfc9c2f7df3cd9c3a027bdabcb3

  • SSDEEP

    12288:bneFQNumB0rIbFwaaiqlaITf4DmgDhQSGpJZrTwojI6:afy6IbNITHgDab1jI

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\Notificación-AEAT.exe
    "C:\Users\Admin\AppData\Local\Temp\Notificación-AEAT.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3796
    • 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\Notificación-AEAT.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4052
    • C:\Users\Admin\AppData\Local\Temp\Notificación-AEAT.exe
      "C:\Users\Admin\AppData\Local\Temp\Notificación-AEAT.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4240

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_blcdpi1v.e5e.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/3796-8-0x00000000745C0000-0x0000000074D70000-memory.dmp

    Filesize

    7.7MB

  • memory/3796-9-0x0000000004DE0000-0x0000000004DF0000-memory.dmp

    Filesize

    64KB

  • memory/3796-4-0x0000000004DE0000-0x0000000004DF0000-memory.dmp

    Filesize

    64KB

  • memory/3796-5-0x0000000004AE0000-0x0000000004AEA000-memory.dmp

    Filesize

    40KB

  • memory/3796-6-0x0000000004DF0000-0x0000000004E8C000-memory.dmp

    Filesize

    624KB

  • memory/3796-7-0x0000000004C70000-0x0000000004C88000-memory.dmp

    Filesize

    96KB

  • memory/3796-0-0x00000000001E0000-0x0000000000270000-memory.dmp

    Filesize

    576KB

  • memory/3796-3-0x0000000004B60000-0x0000000004BF2000-memory.dmp

    Filesize

    584KB

  • memory/3796-10-0x0000000004CB0000-0x0000000004CBA000-memory.dmp

    Filesize

    40KB

  • memory/3796-11-0x0000000004DC0000-0x0000000004DCC000-memory.dmp

    Filesize

    48KB

  • memory/3796-12-0x0000000006720000-0x0000000006780000-memory.dmp

    Filesize

    384KB

  • memory/3796-2-0x0000000005070000-0x0000000005614000-memory.dmp

    Filesize

    5.6MB

  • memory/3796-1-0x00000000745C0000-0x0000000074D70000-memory.dmp

    Filesize

    7.7MB

  • memory/3796-17-0x00000000745C0000-0x0000000074D70000-memory.dmp

    Filesize

    7.7MB

  • memory/4052-25-0x0000000004CA0000-0x0000000004D06000-memory.dmp

    Filesize

    408KB

  • memory/4052-40-0x0000000006CC0000-0x0000000006CF2000-memory.dmp

    Filesize

    200KB

  • memory/4052-21-0x0000000000F10000-0x0000000000F20000-memory.dmp

    Filesize

    64KB

  • memory/4052-20-0x0000000004D30000-0x0000000005358000-memory.dmp

    Filesize

    6.2MB

  • memory/4052-19-0x00000000745C0000-0x0000000074D70000-memory.dmp

    Filesize

    7.7MB

  • memory/4052-64-0x00000000745C0000-0x0000000074D70000-memory.dmp

    Filesize

    7.7MB

  • memory/4052-22-0x0000000000F10000-0x0000000000F20000-memory.dmp

    Filesize

    64KB

  • memory/4052-24-0x0000000004C00000-0x0000000004C22000-memory.dmp

    Filesize

    136KB

  • memory/4052-61-0x0000000007120000-0x0000000007128000-memory.dmp

    Filesize

    32KB

  • memory/4052-26-0x0000000005490000-0x00000000054F6000-memory.dmp

    Filesize

    408KB

  • memory/4052-60-0x0000000007140000-0x000000000715A000-memory.dmp

    Filesize

    104KB

  • memory/4052-36-0x0000000005670000-0x00000000059C4000-memory.dmp

    Filesize

    3.3MB

  • memory/4052-37-0x0000000005AF0000-0x0000000005B0E000-memory.dmp

    Filesize

    120KB

  • memory/4052-38-0x0000000005B40000-0x0000000005B8C000-memory.dmp

    Filesize

    304KB

  • memory/4052-39-0x0000000000F10000-0x0000000000F20000-memory.dmp

    Filesize

    64KB

  • memory/4052-41-0x000000006FFD0000-0x000000007001C000-memory.dmp

    Filesize

    304KB

  • memory/4052-51-0x0000000006090000-0x00000000060AE000-memory.dmp

    Filesize

    120KB

  • memory/4052-18-0x0000000000D70000-0x0000000000DA6000-memory.dmp

    Filesize

    216KB

  • memory/4052-52-0x0000000006D00000-0x0000000006DA3000-memory.dmp

    Filesize

    652KB

  • memory/4052-53-0x0000000007440000-0x0000000007ABA000-memory.dmp

    Filesize

    6.5MB

  • memory/4052-54-0x0000000006E00000-0x0000000006E1A000-memory.dmp

    Filesize

    104KB

  • memory/4052-55-0x0000000006E70000-0x0000000006E7A000-memory.dmp

    Filesize

    40KB

  • memory/4052-56-0x0000000007080000-0x0000000007116000-memory.dmp

    Filesize

    600KB

  • memory/4052-57-0x0000000007000000-0x0000000007011000-memory.dmp

    Filesize

    68KB

  • memory/4052-58-0x0000000007030000-0x000000000703E000-memory.dmp

    Filesize

    56KB

  • memory/4052-59-0x0000000007040000-0x0000000007054000-memory.dmp

    Filesize

    80KB

  • memory/4240-13-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/4240-16-0x00000000745C0000-0x0000000074D70000-memory.dmp

    Filesize

    7.7MB

  • memory/4240-23-0x00000000052A0000-0x00000000052B0000-memory.dmp

    Filesize

    64KB

  • memory/4240-65-0x0000000006100000-0x0000000006150000-memory.dmp

    Filesize

    320KB

  • memory/4240-66-0x0000000006320000-0x00000000064E2000-memory.dmp

    Filesize

    1.8MB

  • memory/4240-67-0x00000000745C0000-0x0000000074D70000-memory.dmp

    Filesize

    7.7MB

  • memory/4240-68-0x00000000052A0000-0x00000000052B0000-memory.dmp

    Filesize

    64KB