Analysis

  • max time kernel
    126s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-09-2024 19:13

General

  • Target

    Enquiry88210103.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\Enquiry88210103.exe
    "C:\Users\Admin\AppData\Local\Temp\Enquiry88210103.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:896
    • 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\Enquiry88210103.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4872
    • C:\Users\Admin\AppData\Local\Temp\Enquiry88210103.exe
      "C:\Users\Admin\AppData\Local\Temp\Enquiry88210103.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:4532
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4088,i,1828333185976713750,7918646547767660928,262144 --variations-seed-version --mojo-platform-channel-handle=4384 /prefetch:8
    1⤵
      PID:4176

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_sqnnuagf.hxo.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/896-8-0x0000000074F90000-0x0000000075740000-memory.dmp

      Filesize

      7.7MB

    • memory/896-3-0x0000000005420000-0x00000000054B2000-memory.dmp

      Filesize

      584KB

    • memory/896-10-0x00000000096E0000-0x000000000977C000-memory.dmp

      Filesize

      624KB

    • memory/896-9-0x0000000007000000-0x0000000007068000-memory.dmp

      Filesize

      416KB

    • memory/896-5-0x00000000054D0000-0x00000000054DA000-memory.dmp

      Filesize

      40KB

    • memory/896-6-0x0000000006D90000-0x0000000006DA2000-memory.dmp

      Filesize

      72KB

    • memory/896-7-0x0000000074F9E000-0x0000000074F9F000-memory.dmp

      Filesize

      4KB

    • memory/896-1-0x00000000009A0000-0x0000000000A30000-memory.dmp

      Filesize

      576KB

    • memory/896-0-0x0000000074F9E000-0x0000000074F9F000-memory.dmp

      Filesize

      4KB

    • memory/896-2-0x00000000059D0000-0x0000000005F74000-memory.dmp

      Filesize

      5.6MB

    • memory/896-4-0x0000000074F90000-0x0000000075740000-memory.dmp

      Filesize

      7.7MB

    • memory/896-14-0x0000000074F90000-0x0000000075740000-memory.dmp

      Filesize

      7.7MB

    • memory/4532-13-0x0000000074F90000-0x0000000075740000-memory.dmp

      Filesize

      7.7MB

    • memory/4532-63-0x00000000069A0000-0x0000000006B62000-memory.dmp

      Filesize

      1.8MB

    • memory/4532-62-0x0000000006780000-0x00000000067D0000-memory.dmp

      Filesize

      320KB

    • memory/4532-17-0x0000000074F90000-0x0000000075740000-memory.dmp

      Filesize

      7.7MB

    • memory/4532-61-0x0000000074F90000-0x0000000075740000-memory.dmp

      Filesize

      7.7MB

    • memory/4532-11-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/4872-30-0x0000000005DB0000-0x0000000006104000-memory.dmp

      Filesize

      3.3MB

    • memory/4872-50-0x00000000076A0000-0x00000000076BA000-memory.dmp

      Filesize

      104KB

    • memory/4872-31-0x0000000074F90000-0x0000000075740000-memory.dmp

      Filesize

      7.7MB

    • memory/4872-20-0x0000000005D40000-0x0000000005DA6000-memory.dmp

      Filesize

      408KB

    • memory/4872-32-0x0000000006370000-0x000000000638E000-memory.dmp

      Filesize

      120KB

    • memory/4872-33-0x0000000074F90000-0x0000000075740000-memory.dmp

      Filesize

      7.7MB

    • memory/4872-34-0x0000000006390000-0x00000000063DC000-memory.dmp

      Filesize

      304KB

    • memory/4872-35-0x0000000074F90000-0x0000000075740000-memory.dmp

      Filesize

      7.7MB

    • memory/4872-36-0x0000000006950000-0x0000000006982000-memory.dmp

      Filesize

      200KB

    • memory/4872-37-0x0000000070A20000-0x0000000070A6C000-memory.dmp

      Filesize

      304KB

    • memory/4872-47-0x00000000069C0000-0x00000000069DE000-memory.dmp

      Filesize

      120KB

    • memory/4872-48-0x0000000007380000-0x0000000007423000-memory.dmp

      Filesize

      652KB

    • memory/4872-49-0x0000000007CF0000-0x000000000836A000-memory.dmp

      Filesize

      6.5MB

    • memory/4872-19-0x0000000005550000-0x00000000055B6000-memory.dmp

      Filesize

      408KB

    • memory/4872-51-0x0000000007710000-0x000000000771A000-memory.dmp

      Filesize

      40KB

    • memory/4872-52-0x0000000007920000-0x00000000079B6000-memory.dmp

      Filesize

      600KB

    • memory/4872-53-0x00000000078A0000-0x00000000078B1000-memory.dmp

      Filesize

      68KB

    • memory/4872-54-0x00000000078D0000-0x00000000078DE000-memory.dmp

      Filesize

      56KB

    • memory/4872-55-0x00000000078E0000-0x00000000078F4000-memory.dmp

      Filesize

      80KB

    • memory/4872-56-0x00000000079E0000-0x00000000079FA000-memory.dmp

      Filesize

      104KB

    • memory/4872-57-0x00000000079C0000-0x00000000079C8000-memory.dmp

      Filesize

      32KB

    • memory/4872-60-0x0000000074F90000-0x0000000075740000-memory.dmp

      Filesize

      7.7MB

    • memory/4872-18-0x00000000053B0000-0x00000000053D2000-memory.dmp

      Filesize

      136KB

    • memory/4872-16-0x00000000055E0000-0x0000000005C08000-memory.dmp

      Filesize

      6.2MB

    • memory/4872-15-0x0000000002A50000-0x0000000002A86000-memory.dmp

      Filesize

      216KB