Analysis

  • max time kernel
    137s
  • max time network
    109s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-08-2024 03:57

General

  • Target

    b9dc19311922881ab92fc3cf26fbeb9fb632e9452bf7a4149ba95a94cc9ac82b.exe

  • Size

    545KB

  • MD5

    e654c3432e16ceff3292ca7bc774b197

  • SHA1

    75455e647f7fe814219987daa14a34ff01a69530

  • SHA256

    b9dc19311922881ab92fc3cf26fbeb9fb632e9452bf7a4149ba95a94cc9ac82b

  • SHA512

    f81dcf58828fcb1f9ee338af5498d09f593faba363199224a4d3d07f1d107e6bd46d1c6d36965fdb8a7ada4c8b57e958b8c3d95d3eb8035efc8a51d2f19ec814

  • SSDEEP

    12288:vJxgzlIAboZMqQfBJfpeIhO2nGX5cJ9XfOwO/JPaRtCG:hxgZIOskfBJNc2tOBDG

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b9dc19311922881ab92fc3cf26fbeb9fb632e9452bf7a4149ba95a94cc9ac82b.exe
    "C:\Users\Admin\AppData\Local\Temp\b9dc19311922881ab92fc3cf26fbeb9fb632e9452bf7a4149ba95a94cc9ac82b.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:392
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\VqRUYyxVXdu.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3876
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VqRUYyxVXdu" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCAF1.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4128
    • C:\Users\Admin\AppData\Local\Temp\b9dc19311922881ab92fc3cf26fbeb9fb632e9452bf7a4149ba95a94cc9ac82b.exe
      "C:\Users\Admin\AppData\Local\Temp\b9dc19311922881ab92fc3cf26fbeb9fb632e9452bf7a4149ba95a94cc9ac82b.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2584
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\b9dc19311922881ab92fc3cf26fbeb9fb632e9452bf7a4149ba95a94cc9ac82b.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3068
        • C:\Windows\SysWOW64\choice.exe
          choice /C Y /N /D Y /T 3
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4608

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\b9dc19311922881ab92fc3cf26fbeb9fb632e9452bf7a4149ba95a94cc9ac82b.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bkw2sbys.twz.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpCAF1.tmp

    Filesize

    1KB

    MD5

    5d34914185a5313a396aab60dd254be4

    SHA1

    4930baefc61381641ec80dd4b069b2fd0d2c7093

    SHA256

    f0f6445a9a83a1d3e2c50cc7b3ac70fdcd5daf18dca72a8563f688302a87754c

    SHA512

    4711cff8aa89b26352c4b5b4013c91be7bfd5c6f1e25ca5be753010b285f20673159222ca11954156bda12bf4e914ed4c73d5bd57d4f33006d8fd48d8ff0688e

  • memory/392-11-0x000000000C180000-0x000000000C21C000-memory.dmp

    Filesize

    624KB

  • memory/392-25-0x0000000075070000-0x0000000075820000-memory.dmp

    Filesize

    7.7MB

  • memory/392-4-0x0000000005570000-0x000000000557A000-memory.dmp

    Filesize

    40KB

  • memory/392-6-0x0000000005B30000-0x0000000005B4E000-memory.dmp

    Filesize

    120KB

  • memory/392-7-0x000000007507E000-0x000000007507F000-memory.dmp

    Filesize

    4KB

  • memory/392-8-0x0000000075070000-0x0000000075820000-memory.dmp

    Filesize

    7.7MB

  • memory/392-9-0x0000000006700000-0x0000000006716000-memory.dmp

    Filesize

    88KB

  • memory/392-1-0x0000000000B80000-0x0000000000C0E000-memory.dmp

    Filesize

    568KB

  • memory/392-0-0x000000007507E000-0x000000007507F000-memory.dmp

    Filesize

    4KB

  • memory/392-5-0x0000000075070000-0x0000000075820000-memory.dmp

    Filesize

    7.7MB

  • memory/392-10-0x0000000009060000-0x00000000090C8000-memory.dmp

    Filesize

    416KB

  • memory/392-3-0x00000000054A0000-0x0000000005532000-memory.dmp

    Filesize

    584KB

  • memory/392-2-0x0000000005B50000-0x00000000060F4000-memory.dmp

    Filesize

    5.6MB

  • memory/2584-56-0x0000000075070000-0x0000000075820000-memory.dmp

    Filesize

    7.7MB

  • memory/2584-22-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2584-24-0x0000000075070000-0x0000000075820000-memory.dmp

    Filesize

    7.7MB

  • memory/2584-29-0x0000000075070000-0x0000000075820000-memory.dmp

    Filesize

    7.7MB

  • memory/3876-53-0x0000000006560000-0x000000000657E000-memory.dmp

    Filesize

    120KB

  • memory/3876-21-0x0000000075070000-0x0000000075820000-memory.dmp

    Filesize

    7.7MB

  • memory/3876-28-0x0000000005950000-0x00000000059B6000-memory.dmp

    Filesize

    408KB

  • memory/3876-19-0x0000000005050000-0x0000000005678000-memory.dmp

    Filesize

    6.2MB

  • memory/3876-18-0x0000000075070000-0x0000000075820000-memory.dmp

    Filesize

    7.7MB

  • memory/3876-16-0x0000000002680000-0x00000000026B6000-memory.dmp

    Filesize

    216KB

  • memory/3876-39-0x00000000059C0000-0x0000000005D14000-memory.dmp

    Filesize

    3.3MB

  • memory/3876-40-0x0000000005F90000-0x0000000005FAE000-memory.dmp

    Filesize

    120KB

  • memory/3876-41-0x0000000006150000-0x000000000619C000-memory.dmp

    Filesize

    304KB

  • memory/3876-42-0x0000000006F40000-0x0000000006F72000-memory.dmp

    Filesize

    200KB

  • memory/3876-43-0x0000000070B20000-0x0000000070B6C000-memory.dmp

    Filesize

    304KB

  • memory/3876-20-0x0000000075070000-0x0000000075820000-memory.dmp

    Filesize

    7.7MB

  • memory/3876-54-0x0000000007180000-0x0000000007223000-memory.dmp

    Filesize

    652KB

  • memory/3876-26-0x0000000004FC0000-0x0000000004FE2000-memory.dmp

    Filesize

    136KB

  • memory/3876-27-0x00000000057F0000-0x0000000005856000-memory.dmp

    Filesize

    408KB

  • memory/3876-57-0x0000000007900000-0x0000000007F7A000-memory.dmp

    Filesize

    6.5MB

  • memory/3876-58-0x00000000072C0000-0x00000000072DA000-memory.dmp

    Filesize

    104KB

  • memory/3876-59-0x0000000007330000-0x000000000733A000-memory.dmp

    Filesize

    40KB

  • memory/3876-60-0x0000000007540000-0x00000000075D6000-memory.dmp

    Filesize

    600KB

  • memory/3876-61-0x00000000074C0000-0x00000000074D1000-memory.dmp

    Filesize

    68KB

  • memory/3876-62-0x00000000074F0000-0x00000000074FE000-memory.dmp

    Filesize

    56KB

  • memory/3876-63-0x0000000007500000-0x0000000007514000-memory.dmp

    Filesize

    80KB

  • memory/3876-64-0x0000000007600000-0x000000000761A000-memory.dmp

    Filesize

    104KB

  • memory/3876-65-0x00000000075E0000-0x00000000075E8000-memory.dmp

    Filesize

    32KB

  • memory/3876-68-0x0000000075070000-0x0000000075820000-memory.dmp

    Filesize

    7.7MB