Analysis

  • max time kernel
    119s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-09-2024 23:20

General

  • Target

    Enquiry 88210103.exe

  • Size

    551KB

  • MD5

    86e68a876e55e70275d6759c10de5345

  • SHA1

    0a15cf065fe62814d1c7bdb09508f99699e0b8ec

  • SHA256

    20cd59764483a62bfcf3d0b85cb92a3ba2dfcb1ef9303c3cef574ef9def84fcf

  • SHA512

    b9632c31b47c489629bbb74e94493aa4c79f76204cdfa569aedbd957e2f11a159b390a700528f7abb1af3578a4d188b4e703162b769328dfd9b2abb11360500d

  • SSDEEP

    12288:Pd+24kzKDSd1JqakAuiJurlPQFfA0xYsPzDtl8wYge:r4kpqaWiJMPQFY0xvPzDf9

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7519296385:AAFFI2mxNdfa3ltOQw6_L0rzJGbiW-4SUz4/sendMessage?chat_id=5116181161

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 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 3 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).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Enquiry 88210103.exe
    "C:\Users\Admin\AppData\Local\Temp\Enquiry 88210103.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3624
    • 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\Enquiry 88210103.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:752
    • C:\Users\Admin\AppData\Local\Temp\Enquiry 88210103.exe
      "C:\Users\Admin\AppData\Local\Temp\Enquiry 88210103.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2836

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Enquiry 88210103.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_diutvt1k.nut.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/752-51-0x0000000007990000-0x00000000079AA000-memory.dmp

    Filesize

    104KB

  • memory/752-32-0x0000000074500000-0x0000000074CB0000-memory.dmp

    Filesize

    7.7MB

  • memory/752-50-0x0000000007FD0000-0x000000000864A000-memory.dmp

    Filesize

    6.5MB

  • memory/752-33-0x00000000061A0000-0x00000000064F4000-memory.dmp

    Filesize

    3.3MB

  • memory/752-21-0x0000000005750000-0x00000000057B6000-memory.dmp

    Filesize

    408KB

  • memory/752-49-0x0000000007870000-0x0000000007913000-memory.dmp

    Filesize

    652KB

  • memory/752-61-0x0000000074500000-0x0000000074CB0000-memory.dmp

    Filesize

    7.7MB

  • memory/752-58-0x0000000007CB0000-0x0000000007CB8000-memory.dmp

    Filesize

    32KB

  • memory/752-57-0x0000000007CD0000-0x0000000007CEA000-memory.dmp

    Filesize

    104KB

  • memory/752-48-0x0000000006C70000-0x0000000006C8E000-memory.dmp

    Filesize

    120KB

  • memory/752-56-0x0000000007BD0000-0x0000000007BE4000-memory.dmp

    Filesize

    80KB

  • memory/752-38-0x000000006FF30000-0x000000006FF7C000-memory.dmp

    Filesize

    304KB

  • memory/752-55-0x0000000007BC0000-0x0000000007BCE000-memory.dmp

    Filesize

    56KB

  • memory/752-18-0x0000000074500000-0x0000000074CB0000-memory.dmp

    Filesize

    7.7MB

  • memory/752-17-0x0000000005810000-0x0000000005E38000-memory.dmp

    Filesize

    6.2MB

  • memory/752-52-0x0000000007A00000-0x0000000007A0A000-memory.dmp

    Filesize

    40KB

  • memory/752-16-0x00000000050C0000-0x00000000050F6000-memory.dmp

    Filesize

    216KB

  • memory/752-20-0x00000000056B0000-0x00000000056D2000-memory.dmp

    Filesize

    136KB

  • memory/752-22-0x0000000006030000-0x0000000006096000-memory.dmp

    Filesize

    408KB

  • memory/752-54-0x0000000007B90000-0x0000000007BA1000-memory.dmp

    Filesize

    68KB

  • memory/752-37-0x0000000006C30000-0x0000000006C62000-memory.dmp

    Filesize

    200KB

  • memory/752-53-0x0000000007C10000-0x0000000007CA6000-memory.dmp

    Filesize

    600KB

  • memory/752-19-0x0000000074500000-0x0000000074CB0000-memory.dmp

    Filesize

    7.7MB

  • memory/752-34-0x0000000006660000-0x000000000667E000-memory.dmp

    Filesize

    120KB

  • memory/752-35-0x0000000006750000-0x000000000679C000-memory.dmp

    Filesize

    304KB

  • memory/2836-36-0x0000000074500000-0x0000000074CB0000-memory.dmp

    Filesize

    7.7MB

  • memory/2836-63-0x00000000063A0000-0x00000000063F0000-memory.dmp

    Filesize

    320KB

  • memory/2836-14-0x0000000074500000-0x0000000074CB0000-memory.dmp

    Filesize

    7.7MB

  • memory/2836-11-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2836-62-0x0000000074500000-0x0000000074CB0000-memory.dmp

    Filesize

    7.7MB

  • memory/2836-64-0x00000000065C0000-0x0000000006782000-memory.dmp

    Filesize

    1.8MB

  • memory/3624-5-0x0000000074500000-0x0000000074CB0000-memory.dmp

    Filesize

    7.7MB

  • memory/3624-0-0x000000007450E000-0x000000007450F000-memory.dmp

    Filesize

    4KB

  • memory/3624-3-0x00000000052B0000-0x0000000005342000-memory.dmp

    Filesize

    584KB

  • memory/3624-1-0x0000000000850000-0x00000000008E0000-memory.dmp

    Filesize

    576KB

  • memory/3624-15-0x0000000074500000-0x0000000074CB0000-memory.dmp

    Filesize

    7.7MB

  • memory/3624-2-0x00000000057C0000-0x0000000005D64000-memory.dmp

    Filesize

    5.6MB

  • memory/3624-10-0x0000000009560000-0x00000000095FC000-memory.dmp

    Filesize

    624KB

  • memory/3624-9-0x0000000006E70000-0x0000000006ED8000-memory.dmp

    Filesize

    416KB

  • memory/3624-8-0x0000000074500000-0x0000000074CB0000-memory.dmp

    Filesize

    7.7MB

  • memory/3624-7-0x000000007450E000-0x000000007450F000-memory.dmp

    Filesize

    4KB

  • memory/3624-6-0x0000000006BF0000-0x0000000006C02000-memory.dmp

    Filesize

    72KB

  • memory/3624-4-0x0000000005290000-0x000000000529A000-memory.dmp

    Filesize

    40KB