Analysis

  • max time kernel
    140s
  • 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 06:09

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:4800
    • 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:440
    • 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:2440

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_om2j3xn5.2g0.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/440-58-0x0000000007890000-0x00000000078A1000-memory.dmp

    Filesize

    68KB

  • memory/440-17-0x0000000074E10000-0x00000000755C0000-memory.dmp

    Filesize

    7.7MB

  • memory/440-36-0x00000000063C0000-0x000000000640C000-memory.dmp

    Filesize

    304KB

  • memory/440-68-0x0000000074E10000-0x00000000755C0000-memory.dmp

    Filesize

    7.7MB

  • memory/440-64-0x00000000079D0000-0x00000000079D8000-memory.dmp

    Filesize

    32KB

  • memory/440-63-0x00000000079F0000-0x0000000007A0A000-memory.dmp

    Filesize

    104KB

  • memory/440-35-0x0000000006380000-0x000000000639E000-memory.dmp

    Filesize

    120KB

  • memory/440-62-0x00000000078F0000-0x0000000007904000-memory.dmp

    Filesize

    80KB

  • memory/440-61-0x00000000078E0000-0x00000000078EE000-memory.dmp

    Filesize

    56KB

  • memory/440-60-0x0000000002AF0000-0x0000000002B00000-memory.dmp

    Filesize

    64KB

  • memory/440-59-0x0000000002AF0000-0x0000000002B00000-memory.dmp

    Filesize

    64KB

  • memory/440-56-0x0000000007910000-0x00000000079A6000-memory.dmp

    Filesize

    600KB

  • memory/440-55-0x0000000007700000-0x000000000770A000-memory.dmp

    Filesize

    40KB

  • memory/440-54-0x0000000074E10000-0x00000000755C0000-memory.dmp

    Filesize

    7.7MB

  • memory/440-16-0x0000000002A50000-0x0000000002A86000-memory.dmp

    Filesize

    216KB

  • memory/440-40-0x00000000708D0000-0x000000007091C000-memory.dmp

    Filesize

    304KB

  • memory/440-18-0x0000000002AF0000-0x0000000002B00000-memory.dmp

    Filesize

    64KB

  • memory/440-19-0x0000000002AF0000-0x0000000002B00000-memory.dmp

    Filesize

    64KB

  • memory/440-34-0x0000000005ED0000-0x0000000006224000-memory.dmp

    Filesize

    3.3MB

  • memory/440-53-0x0000000007690000-0x00000000076AA000-memory.dmp

    Filesize

    104KB

  • memory/440-22-0x00000000055A0000-0x00000000055C2000-memory.dmp

    Filesize

    136KB

  • memory/440-28-0x0000000005640000-0x00000000056A6000-memory.dmp

    Filesize

    408KB

  • memory/440-30-0x0000000005E60000-0x0000000005EC6000-memory.dmp

    Filesize

    408KB

  • memory/440-52-0x0000000007CD0000-0x000000000834A000-memory.dmp

    Filesize

    6.5MB

  • memory/440-20-0x0000000005730000-0x0000000005D58000-memory.dmp

    Filesize

    6.2MB

  • memory/440-51-0x0000000007580000-0x0000000007623000-memory.dmp

    Filesize

    652KB

  • memory/440-50-0x0000000006930000-0x000000000694E000-memory.dmp

    Filesize

    120KB

  • memory/440-37-0x0000000002AF0000-0x0000000002B00000-memory.dmp

    Filesize

    64KB

  • memory/440-38-0x000000007F750000-0x000000007F760000-memory.dmp

    Filesize

    64KB

  • memory/440-39-0x0000000006950000-0x0000000006982000-memory.dmp

    Filesize

    200KB

  • memory/2440-14-0x0000000074E10000-0x00000000755C0000-memory.dmp

    Filesize

    7.7MB

  • memory/2440-57-0x0000000074E10000-0x00000000755C0000-memory.dmp

    Filesize

    7.7MB

  • memory/2440-71-0x0000000005770000-0x000000000577A000-memory.dmp

    Filesize

    40KB

  • memory/2440-69-0x00000000015D0000-0x0000000001620000-memory.dmp

    Filesize

    320KB

  • memory/2440-21-0x0000000005790000-0x00000000057A0000-memory.dmp

    Filesize

    64KB

  • memory/2440-65-0x0000000005790000-0x00000000057A0000-memory.dmp

    Filesize

    64KB

  • memory/2440-70-0x0000000006B10000-0x0000000006CD2000-memory.dmp

    Filesize

    1.8MB

  • memory/2440-12-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/4800-2-0x0000000005840000-0x0000000005850000-memory.dmp

    Filesize

    64KB

  • memory/4800-0-0x0000000000D60000-0x0000000000DF4000-memory.dmp

    Filesize

    592KB

  • memory/4800-11-0x0000000006DC0000-0x0000000006E20000-memory.dmp

    Filesize

    384KB

  • memory/4800-10-0x0000000005B30000-0x0000000005B3C000-memory.dmp

    Filesize

    48KB

  • memory/4800-9-0x0000000005A80000-0x0000000005A8A000-memory.dmp

    Filesize

    40KB

  • memory/4800-8-0x0000000005840000-0x0000000005850000-memory.dmp

    Filesize

    64KB

  • memory/4800-6-0x0000000005A60000-0x0000000005A72000-memory.dmp

    Filesize

    72KB

  • memory/4800-5-0x0000000005A90000-0x0000000005B2C000-memory.dmp

    Filesize

    624KB

  • memory/4800-15-0x0000000074E10000-0x00000000755C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4800-4-0x0000000005950000-0x00000000059E2000-memory.dmp

    Filesize

    584KB

  • memory/4800-1-0x0000000074E10000-0x00000000755C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4800-3-0x0000000005E10000-0x00000000063B4000-memory.dmp

    Filesize

    5.6MB

  • memory/4800-7-0x0000000074E10000-0x00000000755C0000-memory.dmp

    Filesize

    7.7MB