Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-05-2024 02:03

General

  • Target

    f815285cda1f471dc22b3c4582d1c5fad00bacc7c5e76a08f289d7fae6a35bd4.exe

  • Size

    588KB

  • MD5

    7f9adfa5c6ddb5471f7b391d037252b2

  • SHA1

    122645622b73002a2d8b8215d6573ab22523a0e2

  • SHA256

    f815285cda1f471dc22b3c4582d1c5fad00bacc7c5e76a08f289d7fae6a35bd4

  • SHA512

    5f8b6565006dd61e11da209aa1103ca4987bd397a19da5b38a782f61d7bae13c244a4ba2de78982803b764bdd45a831de382da61bbbf3c3ade4d307675a21ad8

  • SSDEEP

    12288:2rRgAXYMjhvPie/rByY7777777777777c99E4NQ2CMiH99dsgJJ8Z0WQoiQFzpgi:2dgAXYMFniyyXzEMCMid9prPwDajgSxF

Malware Config

Extracted

Family

snakekeylogger

Credentials
C2

https://scratchdreams.tk

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables with potential process hoocking 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 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 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).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f815285cda1f471dc22b3c4582d1c5fad00bacc7c5e76a08f289d7fae6a35bd4.exe
    "C:\Users\Admin\AppData\Local\Temp\f815285cda1f471dc22b3c4582d1c5fad00bacc7c5e76a08f289d7fae6a35bd4.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:212
    • 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\f815285cda1f471dc22b3c4582d1c5fad00bacc7c5e76a08f289d7fae6a35bd4.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:440
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\EDqfTdWmvf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5096
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EDqfTdWmvf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp760B.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4800
    • C:\Users\Admin\AppData\Local\Temp\f815285cda1f471dc22b3c4582d1c5fad00bacc7c5e76a08f289d7fae6a35bd4.exe
      "C:\Users\Admin\AppData\Local\Temp\f815285cda1f471dc22b3c4582d1c5fad00bacc7c5e76a08f289d7fae6a35bd4.exe"
      2⤵
        PID:4316
      • C:\Users\Admin\AppData\Local\Temp\f815285cda1f471dc22b3c4582d1c5fad00bacc7c5e76a08f289d7fae6a35bd4.exe
        "C:\Users\Admin\AppData\Local\Temp\f815285cda1f471dc22b3c4582d1c5fad00bacc7c5e76a08f289d7fae6a35bd4.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:3740

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      2KB

      MD5

      968cb9309758126772781b83adb8a28f

      SHA1

      8da30e71accf186b2ba11da1797cf67f8f78b47c

      SHA256

      92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

      SHA512

      4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      18KB

      MD5

      92375d72d5f37e3f12221dfbd5537469

      SHA1

      7f1f6ef317b89bbb63ff0e9d015ab19d26cfc138

      SHA256

      b10ea9ad5c9f310195cd7caed25ad4e9fa86b6cada9d4417a29b7a9eb6444409

      SHA512

      0e8c910d9082d5ae9b8a086d48928bb5c688a0cc0c3dc61af9c9f85465f32ed8ebc5fc9dfca7a2dabe947b75e148ff2820c9b75e14d204204c9bf1abd164bdfc

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fqxaoelz.l1g.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp760B.tmp

      Filesize

      1KB

      MD5

      516d5d6bddce066b1ae971fccaf11880

      SHA1

      4da4485a33fbdd8927cd677bf0f16818dd012217

      SHA256

      77de518f161c38c78a0fd91112c4a10224610a6458c59f3143c08f6c05317687

      SHA512

      fa44bd5428ad43c1e47f6527f3507addeab1304215a668c5d29c60df4cda17969ed020ff370042daad30ee9d6857020cf6cd1a7b9f9cd95ea6153f0c4e7d15c9

    • memory/212-4-0x0000000005740000-0x000000000574A000-memory.dmp

      Filesize

      40KB

    • memory/212-5-0x0000000074640000-0x0000000074DF0000-memory.dmp

      Filesize

      7.7MB

    • memory/212-6-0x0000000005B70000-0x0000000005B90000-memory.dmp

      Filesize

      128KB

    • memory/212-7-0x0000000005CC0000-0x0000000005CD0000-memory.dmp

      Filesize

      64KB

    • memory/212-8-0x0000000005CD0000-0x0000000005CE6000-memory.dmp

      Filesize

      88KB

    • memory/212-9-0x0000000007110000-0x0000000007178000-memory.dmp

      Filesize

      416KB

    • memory/212-10-0x0000000009770000-0x000000000980C000-memory.dmp

      Filesize

      624KB

    • memory/212-0-0x000000007464E000-0x000000007464F000-memory.dmp

      Filesize

      4KB

    • memory/212-3-0x00000000057A0000-0x0000000005832000-memory.dmp

      Filesize

      584KB

    • memory/212-2-0x0000000005D50000-0x00000000062F4000-memory.dmp

      Filesize

      5.6MB

    • memory/212-45-0x0000000074640000-0x0000000074DF0000-memory.dmp

      Filesize

      7.7MB

    • memory/212-1-0x0000000000CC0000-0x0000000000D5A000-memory.dmp

      Filesize

      616KB

    • memory/440-15-0x0000000002B10000-0x0000000002B46000-memory.dmp

      Filesize

      216KB

    • memory/440-49-0x00000000073F0000-0x0000000007422000-memory.dmp

      Filesize

      200KB

    • memory/440-16-0x0000000074640000-0x0000000074DF0000-memory.dmp

      Filesize

      7.7MB

    • memory/440-25-0x0000000005BF0000-0x0000000005C56000-memory.dmp

      Filesize

      408KB

    • memory/440-24-0x0000000005500000-0x0000000005566000-memory.dmp

      Filesize

      408KB

    • memory/440-23-0x0000000005460000-0x0000000005482000-memory.dmp

      Filesize

      136KB

    • memory/440-19-0x0000000074640000-0x0000000074DF0000-memory.dmp

      Filesize

      7.7MB

    • memory/440-17-0x00000000055C0000-0x0000000005BE8000-memory.dmp

      Filesize

      6.2MB

    • memory/440-27-0x0000000005DF0000-0x0000000006144000-memory.dmp

      Filesize

      3.3MB

    • memory/440-47-0x0000000006430000-0x000000000644E000-memory.dmp

      Filesize

      120KB

    • memory/440-48-0x0000000006A10000-0x0000000006A5C000-memory.dmp

      Filesize

      304KB

    • memory/440-50-0x0000000070DB0000-0x0000000070DFC000-memory.dmp

      Filesize

      304KB

    • memory/440-86-0x0000000074640000-0x0000000074DF0000-memory.dmp

      Filesize

      7.7MB

    • memory/440-60-0x0000000006980000-0x000000000699E000-memory.dmp

      Filesize

      120KB

    • memory/440-79-0x0000000007A90000-0x0000000007AAA000-memory.dmp

      Filesize

      104KB

    • memory/440-76-0x0000000007950000-0x0000000007961000-memory.dmp

      Filesize

      68KB

    • memory/3740-22-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/3740-89-0x0000000006C60000-0x0000000006E22000-memory.dmp

      Filesize

      1.8MB

    • memory/3740-88-0x0000000006A40000-0x0000000006A90000-memory.dmp

      Filesize

      320KB

    • memory/5096-78-0x0000000007960000-0x0000000007974000-memory.dmp

      Filesize

      80KB

    • memory/5096-21-0x0000000074640000-0x0000000074DF0000-memory.dmp

      Filesize

      7.7MB

    • memory/5096-77-0x0000000007950000-0x000000000795E000-memory.dmp

      Filesize

      56KB

    • memory/5096-72-0x0000000007D80000-0x00000000083FA000-memory.dmp

      Filesize

      6.5MB

    • memory/5096-71-0x0000000007650000-0x00000000076F3000-memory.dmp

      Filesize

      652KB

    • memory/5096-80-0x0000000007A40000-0x0000000007A48000-memory.dmp

      Filesize

      32KB

    • memory/5096-87-0x0000000074640000-0x0000000074DF0000-memory.dmp

      Filesize

      7.7MB

    • memory/5096-61-0x0000000070DB0000-0x0000000070DFC000-memory.dmp

      Filesize

      304KB

    • memory/5096-18-0x0000000074640000-0x0000000074DF0000-memory.dmp

      Filesize

      7.7MB

    • memory/5096-75-0x00000000079A0000-0x0000000007A36000-memory.dmp

      Filesize

      600KB

    • memory/5096-74-0x0000000007790000-0x000000000779A000-memory.dmp

      Filesize

      40KB

    • memory/5096-73-0x0000000007720000-0x000000000773A000-memory.dmp

      Filesize

      104KB