Analysis

  • max time kernel
    143s
  • 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
    03-10-2023 13:24

General

  • Target

    AEAT - Aviso de Notificación.exe

  • Size

    547KB

  • MD5

    93cc7d700829839e827d5d9cc15c7c3c

  • SHA1

    60dfe1c37fb20f6f186570a754584b3085b94886

  • SHA256

    648c7e00e9f31a9e897405f0116680c8a170645178b88a6fa97db93a6ea84f14

  • SHA512

    752cd42b4e96192cf75b06e398c384132ba221520da4dddb56dff19dcbd46d76732e883b452185c85dfc61bb0242beaef8ba9bd47cced78fa94b22876ac11cc3

  • SSDEEP

    12288:PpmNumB0appp23UdL1xUpTpQEBR73JcGS2FfzDcHI4UXYk4Vl+fVQJKp:xty3D2kp1S/QilDl4/k2ktYi

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 2 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.exe
    "C:\Users\Admin\AppData\Local\Temp\AEAT - Aviso de Notificación.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1104
    • 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.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3612
    • C:\Users\Admin\AppData\Local\Temp\AEAT - Aviso de Notificación.exe
      "C:\Users\Admin\AppData\Local\Temp\AEAT - Aviso de Notificación.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1160

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2kmptpxw.msu.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1104-10-0x00000000055E0000-0x00000000055EA000-memory.dmp

    Filesize

    40KB

  • memory/1104-9-0x0000000005380000-0x0000000005390000-memory.dmp

    Filesize

    64KB

  • memory/1104-4-0x0000000005380000-0x0000000005390000-memory.dmp

    Filesize

    64KB

  • memory/1104-5-0x0000000005230000-0x000000000523A000-memory.dmp

    Filesize

    40KB

  • memory/1104-6-0x0000000005430000-0x00000000054CC000-memory.dmp

    Filesize

    624KB

  • memory/1104-7-0x0000000005400000-0x0000000005418000-memory.dmp

    Filesize

    96KB

  • memory/1104-8-0x00000000752B0000-0x0000000075A60000-memory.dmp

    Filesize

    7.7MB

  • memory/1104-1-0x00000000752B0000-0x0000000075A60000-memory.dmp

    Filesize

    7.7MB

  • memory/1104-0-0x0000000000700000-0x000000000078E000-memory.dmp

    Filesize

    568KB

  • memory/1104-11-0x0000000005800000-0x000000000580C000-memory.dmp

    Filesize

    48KB

  • memory/1104-12-0x00000000069B0000-0x0000000006A10000-memory.dmp

    Filesize

    384KB

  • memory/1104-3-0x0000000005160000-0x00000000051F2000-memory.dmp

    Filesize

    584KB

  • memory/1104-2-0x0000000005820000-0x0000000005DC4000-memory.dmp

    Filesize

    5.6MB

  • memory/1104-17-0x00000000752B0000-0x0000000075A60000-memory.dmp

    Filesize

    7.7MB

  • memory/1160-13-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1160-68-0x0000000006140000-0x0000000006302000-memory.dmp

    Filesize

    1.8MB

  • memory/1160-18-0x0000000004CC0000-0x0000000004CD0000-memory.dmp

    Filesize

    64KB

  • memory/1160-67-0x0000000000B60000-0x0000000000BB0000-memory.dmp

    Filesize

    320KB

  • memory/1160-59-0x0000000004CC0000-0x0000000004CD0000-memory.dmp

    Filesize

    64KB

  • memory/1160-58-0x00000000752B0000-0x0000000075A60000-memory.dmp

    Filesize

    7.7MB

  • memory/1160-16-0x00000000752B0000-0x0000000075A60000-memory.dmp

    Filesize

    7.7MB

  • memory/3612-25-0x0000000005400000-0x0000000005466000-memory.dmp

    Filesize

    408KB

  • memory/3612-54-0x0000000007450000-0x000000000746A000-memory.dmp

    Filesize

    104KB

  • memory/3612-26-0x0000000005AD0000-0x0000000005B36000-memory.dmp

    Filesize

    408KB

  • memory/3612-21-0x00000000054A0000-0x0000000005AC8000-memory.dmp

    Filesize

    6.2MB

  • memory/3612-36-0x0000000005C90000-0x0000000005FE4000-memory.dmp

    Filesize

    3.3MB

  • memory/3612-37-0x0000000006140000-0x000000000615E000-memory.dmp

    Filesize

    120KB

  • memory/3612-38-0x0000000006180000-0x00000000061CC000-memory.dmp

    Filesize

    304KB

  • memory/3612-39-0x0000000002880000-0x0000000002890000-memory.dmp

    Filesize

    64KB

  • memory/3612-40-0x0000000006700000-0x0000000006732000-memory.dmp

    Filesize

    200KB

  • memory/3612-41-0x0000000070CC0000-0x0000000070D0C000-memory.dmp

    Filesize

    304KB

  • memory/3612-51-0x0000000007110000-0x000000000712E000-memory.dmp

    Filesize

    120KB

  • memory/3612-52-0x0000000007130000-0x00000000071D3000-memory.dmp

    Filesize

    652KB

  • memory/3612-53-0x0000000007A90000-0x000000000810A000-memory.dmp

    Filesize

    6.5MB

  • memory/3612-24-0x0000000005160000-0x0000000005182000-memory.dmp

    Filesize

    136KB

  • memory/3612-55-0x00000000074C0000-0x00000000074CA000-memory.dmp

    Filesize

    40KB

  • memory/3612-56-0x00000000076D0000-0x0000000007766000-memory.dmp

    Filesize

    600KB

  • memory/3612-57-0x0000000007650000-0x0000000007661000-memory.dmp

    Filesize

    68KB

  • memory/3612-23-0x0000000002880000-0x0000000002890000-memory.dmp

    Filesize

    64KB

  • memory/3612-22-0x0000000002880000-0x0000000002890000-memory.dmp

    Filesize

    64KB

  • memory/3612-60-0x00000000076A0000-0x00000000076AE000-memory.dmp

    Filesize

    56KB

  • memory/3612-61-0x00000000076B0000-0x00000000076C4000-memory.dmp

    Filesize

    80KB

  • memory/3612-62-0x00000000077B0000-0x00000000077CA000-memory.dmp

    Filesize

    104KB

  • memory/3612-63-0x0000000007790000-0x0000000007798000-memory.dmp

    Filesize

    32KB

  • memory/3612-66-0x00000000752B0000-0x0000000075A60000-memory.dmp

    Filesize

    7.7MB

  • memory/3612-20-0x00000000752B0000-0x0000000075A60000-memory.dmp

    Filesize

    7.7MB

  • memory/3612-19-0x0000000002800000-0x0000000002836000-memory.dmp

    Filesize

    216KB