Analysis

  • max time kernel
    143s
  • max time network
    147s
  • 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 06:09

General

  • Target

    factura.PDF.exe

  • Size

    571KB

  • MD5

    2f7967cefedc5eb6dca68286a466984c

  • SHA1

    27afb566469074ab421e10ba7b269202d78ce3a3

  • SHA256

    cb84aa32b87319aceaca7792a356f57030077830811a7fa0ea045a67afa62b5e

  • SHA512

    07b2c65e00ff8549d613e7723244e4e3a1e22b084bf0537d084bc2d82b886651de448f64a2b269b8bdd43fe7cd511e5c6dc9f34cebb5a63df93db133339f0ff6

  • SSDEEP

    12288:hLTiSAx5PWPQIOlAiayAlrjDBEm0tWSd+IglYI4j8a4:hv7Ax5uPDEsVjHEgqbj8b

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\factura.PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\factura.PDF.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3640
    • 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\factura.PDF.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1544
    • C:\Users\Admin\AppData\Local\Temp\factura.PDF.exe
      "C:\Users\Admin\AppData\Local\Temp\factura.PDF.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1532

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_55zoacml.llq.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1532-12-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1532-68-0x0000000005660000-0x000000000566A000-memory.dmp

    Filesize

    40KB

  • memory/1532-67-0x00000000065C0000-0x0000000006782000-memory.dmp

    Filesize

    1.8MB

  • memory/1532-66-0x00000000010A0000-0x00000000010F0000-memory.dmp

    Filesize

    320KB

  • memory/1532-52-0x0000000074910000-0x00000000750C0000-memory.dmp

    Filesize

    7.7MB

  • memory/1532-15-0x0000000074910000-0x00000000750C0000-memory.dmp

    Filesize

    7.7MB

  • memory/1544-33-0x0000000006260000-0x00000000065B4000-memory.dmp

    Filesize

    3.3MB

  • memory/1544-37-0x0000000006CD0000-0x0000000006D02000-memory.dmp

    Filesize

    200KB

  • memory/1544-65-0x0000000074910000-0x00000000750C0000-memory.dmp

    Filesize

    7.7MB

  • memory/1544-62-0x0000000007D50000-0x0000000007D58000-memory.dmp

    Filesize

    32KB

  • memory/1544-61-0x0000000007D70000-0x0000000007D8A000-memory.dmp

    Filesize

    104KB

  • memory/1544-60-0x0000000007C70000-0x0000000007C84000-memory.dmp

    Filesize

    80KB

  • memory/1544-14-0x0000000002D30000-0x0000000002D66000-memory.dmp

    Filesize

    216KB

  • memory/1544-16-0x0000000002F20000-0x0000000002F30000-memory.dmp

    Filesize

    64KB

  • memory/1544-59-0x0000000007C60000-0x0000000007C6E000-memory.dmp

    Filesize

    56KB

  • memory/1544-58-0x0000000002F20000-0x0000000002F30000-memory.dmp

    Filesize

    64KB

  • memory/1544-19-0x0000000002F20000-0x0000000002F30000-memory.dmp

    Filesize

    64KB

  • memory/1544-17-0x0000000074910000-0x00000000750C0000-memory.dmp

    Filesize

    7.7MB

  • memory/1544-20-0x0000000005970000-0x0000000005F98000-memory.dmp

    Filesize

    6.2MB

  • memory/1544-57-0x0000000074910000-0x00000000750C0000-memory.dmp

    Filesize

    7.7MB

  • memory/1544-26-0x00000000058A0000-0x00000000058C2000-memory.dmp

    Filesize

    136KB

  • memory/1544-28-0x0000000006110000-0x0000000006176000-memory.dmp

    Filesize

    408KB

  • memory/1544-32-0x00000000061F0000-0x0000000006256000-memory.dmp

    Filesize

    408KB

  • memory/1544-56-0x0000000007C30000-0x0000000007C41000-memory.dmp

    Filesize

    68KB

  • memory/1544-34-0x00000000066F0000-0x000000000670E000-memory.dmp

    Filesize

    120KB

  • memory/1544-35-0x0000000006750000-0x000000000679C000-memory.dmp

    Filesize

    304KB

  • memory/1544-36-0x0000000002F20000-0x0000000002F30000-memory.dmp

    Filesize

    64KB

  • memory/1544-55-0x0000000007CB0000-0x0000000007D46000-memory.dmp

    Filesize

    600KB

  • memory/1544-38-0x00000000703D0000-0x000000007041C000-memory.dmp

    Filesize

    304KB

  • memory/1544-48-0x0000000006CB0000-0x0000000006CCE000-memory.dmp

    Filesize

    120KB

  • memory/1544-49-0x00000000078E0000-0x0000000007983000-memory.dmp

    Filesize

    652KB

  • memory/1544-50-0x0000000008050000-0x00000000086CA000-memory.dmp

    Filesize

    6.5MB

  • memory/1544-51-0x0000000007A10000-0x0000000007A2A000-memory.dmp

    Filesize

    104KB

  • memory/1544-54-0x0000000002F20000-0x0000000002F30000-memory.dmp

    Filesize

    64KB

  • memory/1544-53-0x0000000007A80000-0x0000000007A8A000-memory.dmp

    Filesize

    40KB

  • memory/3640-7-0x0000000074910000-0x00000000750C0000-memory.dmp

    Filesize

    7.7MB

  • memory/3640-8-0x0000000005510000-0x0000000005520000-memory.dmp

    Filesize

    64KB

  • memory/3640-0-0x0000000074910000-0x00000000750C0000-memory.dmp

    Filesize

    7.7MB

  • memory/3640-5-0x0000000005950000-0x00000000059EC000-memory.dmp

    Filesize

    624KB

  • memory/3640-18-0x0000000074910000-0x00000000750C0000-memory.dmp

    Filesize

    7.7MB

  • memory/3640-6-0x00000000058A0000-0x00000000058B2000-memory.dmp

    Filesize

    72KB

  • memory/3640-4-0x0000000005790000-0x0000000005822000-memory.dmp

    Filesize

    584KB

  • memory/3640-11-0x0000000006A10000-0x0000000006A70000-memory.dmp

    Filesize

    384KB

  • memory/3640-10-0x0000000005C10000-0x0000000005C1C000-memory.dmp

    Filesize

    48KB

  • memory/3640-9-0x0000000005C00000-0x0000000005C0A000-memory.dmp

    Filesize

    40KB

  • memory/3640-3-0x0000000005C80000-0x0000000006224000-memory.dmp

    Filesize

    5.6MB

  • memory/3640-2-0x0000000005510000-0x0000000005520000-memory.dmp

    Filesize

    64KB

  • memory/3640-1-0x0000000000BA0000-0x0000000000C34000-memory.dmp

    Filesize

    592KB