Analysis

  • max time kernel
    148s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-09-2023 06:19

General

  • Target

    akibet20230927170129.exe

  • Size

    396KB

  • MD5

    1d9c34dad928bf8f79e07b02a626b608

  • SHA1

    3af26a4f24a669b938bc128facc704f8751af8a5

  • SHA256

    4bccd7f3cfb497ee38b259be7fce0df77b6da86d3651216e0308ca24dacebafa

  • SHA512

    35498836099599e90636a6c04556845dc6b64f2680b854422fa38f17f573f8d8e3ad83e24ff51dee632d0c5b17edd0ef983a1ec66d2c7417ffd69da0dc7b0d9c

  • SSDEEP

    12288:/qVOUuA1e24EcORX7c9r+hiUTFJ+kBNyuoCz8Unayi:7FAMEP7nhFJ+sFFq3

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    mail.gkas.com.tr
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Gkasteknik@2022

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 2 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 2 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 2 IoCs
  • Checks BIOS information in registry 2 TTPs 4 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Windows security modification 2 TTPs 3 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 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.

  • Maps connected drives based on registry 3 TTPs 4 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • 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.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 35 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs
  • System policy modification 1 TTPs 1 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\akibet20230927170129.exe
    "C:\Users\Admin\AppData\Local\Temp\akibet20230927170129.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Checks computer location settings
    • Adds Run key to start application
    • Maps connected drives based on registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3960
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2464
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'
        3⤵
        • Creates scheduled task(s)
        PID:4828
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp64EF.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2724
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:1280
      • C:\Users\Admin\AppData\Roaming\svchost.exe
        "C:\Users\Admin\AppData\Roaming\svchost.exe"
        3⤵
        • UAC bypass
        • Windows security bypass
        • Looks for VirtualBox Guest Additions in registry
        • Looks for VMWare Tools registry key
        • Checks BIOS information in registry
        • Checks computer location settings
        • Executes dropped EXE
        • Windows security modification
        • Checks whether UAC is enabled
        • Maps connected drives based on registry
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        • System policy modification
        PID:2456
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\svchost.exe" -Force
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1316
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess.exe"
          4⤵
            PID:2912
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe"
            4⤵
              PID:3928
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\Microsoft.Workflow.Compiler.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Microsoft.Workflow.Compiler.exe"
              4⤵
                PID:4616
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
                4⤵
                  PID:2656
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
                  4⤵
                  • Accesses Microsoft Outlook profiles
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  • outlook_office_path
                  • outlook_win_path
                  PID:4660

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_j2ixmvhq.3db.ps1

            Filesize

            60B

            MD5

            d17fe0a3f47be24a6453e9ef58c94641

            SHA1

            6ab83620379fc69f80c0242105ddffd7d98d5d9d

            SHA256

            96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

            SHA512

            5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

          • C:\Users\Admin\AppData\Local\Temp\tmp64EF.tmp.bat

            Filesize

            151B

            MD5

            83c3077cf6c661282bfe9efb0ed08e65

            SHA1

            484bbcac3951ba21636fb0dfa7d74bc107cf9e64

            SHA256

            2aea2b1177cac9476caf336edaee61fbc0c91a204e8a5ef7791706e073333060

            SHA512

            aa4172872ecb92318fa35627bfaf6277217123defb783c43d5744d8dd60f8078666cdd8716de0f854094014cbea689faafb464db9febf08d2daef47d8de78c7a

          • C:\Users\Admin\AppData\Roaming\svchost.exe

            Filesize

            396KB

            MD5

            1d9c34dad928bf8f79e07b02a626b608

            SHA1

            3af26a4f24a669b938bc128facc704f8751af8a5

            SHA256

            4bccd7f3cfb497ee38b259be7fce0df77b6da86d3651216e0308ca24dacebafa

            SHA512

            35498836099599e90636a6c04556845dc6b64f2680b854422fa38f17f573f8d8e3ad83e24ff51dee632d0c5b17edd0ef983a1ec66d2c7417ffd69da0dc7b0d9c

          • C:\Users\Admin\AppData\Roaming\svchost.exe

            Filesize

            396KB

            MD5

            1d9c34dad928bf8f79e07b02a626b608

            SHA1

            3af26a4f24a669b938bc128facc704f8751af8a5

            SHA256

            4bccd7f3cfb497ee38b259be7fce0df77b6da86d3651216e0308ca24dacebafa

            SHA512

            35498836099599e90636a6c04556845dc6b64f2680b854422fa38f17f573f8d8e3ad83e24ff51dee632d0c5b17edd0ef983a1ec66d2c7417ffd69da0dc7b0d9c

          • memory/1316-59-0x0000000007660000-0x000000000767A000-memory.dmp

            Filesize

            104KB

          • memory/1316-61-0x0000000004EE0000-0x0000000004EF0000-memory.dmp

            Filesize

            64KB

          • memory/1316-74-0x00000000746E0000-0x0000000074E90000-memory.dmp

            Filesize

            7.7MB

          • memory/1316-41-0x0000000006340000-0x000000000635E000-memory.dmp

            Filesize

            120KB

          • memory/1316-70-0x0000000007970000-0x0000000007978000-memory.dmp

            Filesize

            32KB

          • memory/1316-69-0x0000000007990000-0x00000000079AA000-memory.dmp

            Filesize

            104KB

          • memory/1316-68-0x0000000007890000-0x00000000078A4000-memory.dmp

            Filesize

            80KB

          • memory/1316-67-0x0000000007880000-0x000000000788E000-memory.dmp

            Filesize

            56KB

          • memory/1316-65-0x0000000007850000-0x0000000007861000-memory.dmp

            Filesize

            68KB

          • memory/1316-64-0x00000000078D0000-0x0000000007966000-memory.dmp

            Filesize

            600KB

          • memory/1316-63-0x00000000076C0000-0x00000000076CA000-memory.dmp

            Filesize

            40KB

          • memory/1316-21-0x00000000746E0000-0x0000000074E90000-memory.dmp

            Filesize

            7.7MB

          • memory/1316-20-0x0000000004DA0000-0x0000000004DD6000-memory.dmp

            Filesize

            216KB

          • memory/1316-22-0x0000000004EE0000-0x0000000004EF0000-memory.dmp

            Filesize

            64KB

          • memory/1316-23-0x0000000005520000-0x0000000005B48000-memory.dmp

            Filesize

            6.2MB

          • memory/1316-58-0x0000000007CE0000-0x000000000835A000-memory.dmp

            Filesize

            6.5MB

          • memory/1316-40-0x0000000005E50000-0x00000000061A4000-memory.dmp

            Filesize

            3.3MB

          • memory/1316-28-0x0000000005BC0000-0x0000000005C26000-memory.dmp

            Filesize

            408KB

          • memory/1316-57-0x00000000073B0000-0x0000000007453000-memory.dmp

            Filesize

            652KB

          • memory/1316-56-0x00000000068D0000-0x00000000068EE000-memory.dmp

            Filesize

            120KB

          • memory/1316-46-0x00000000701C0000-0x000000007020C000-memory.dmp

            Filesize

            304KB

          • memory/1316-45-0x0000000006940000-0x0000000006972000-memory.dmp

            Filesize

            200KB

          • memory/1316-42-0x0000000006390000-0x00000000063DC000-memory.dmp

            Filesize

            304KB

          • memory/1316-44-0x0000000004EE0000-0x0000000004EF0000-memory.dmp

            Filesize

            64KB

          • memory/1316-25-0x00000000054A0000-0x00000000054C2000-memory.dmp

            Filesize

            136KB

          • memory/1316-43-0x00000000746E0000-0x0000000074E90000-memory.dmp

            Filesize

            7.7MB

          • memory/2456-19-0x00000000746E0000-0x0000000074E90000-memory.dmp

            Filesize

            7.7MB

          • memory/2456-27-0x00000000746E0000-0x0000000074E90000-memory.dmp

            Filesize

            7.7MB

          • memory/3960-4-0x0000000005910000-0x00000000059A2000-memory.dmp

            Filesize

            584KB

          • memory/3960-15-0x00000000746E0000-0x0000000074E90000-memory.dmp

            Filesize

            7.7MB

          • memory/3960-6-0x0000000005840000-0x000000000584A000-memory.dmp

            Filesize

            40KB

          • memory/3960-7-0x0000000005AB0000-0x0000000005B0A000-memory.dmp

            Filesize

            360KB

          • memory/3960-0-0x00000000746E0000-0x0000000074E90000-memory.dmp

            Filesize

            7.7MB

          • memory/3960-2-0x0000000005770000-0x000000000580C000-memory.dmp

            Filesize

            624KB

          • memory/3960-5-0x0000000005AA0000-0x0000000005AB0000-memory.dmp

            Filesize

            64KB

          • memory/3960-8-0x0000000005B10000-0x0000000005B2A000-memory.dmp

            Filesize

            104KB

          • memory/3960-9-0x0000000005BA0000-0x0000000005C06000-memory.dmp

            Filesize

            408KB

          • memory/3960-1-0x0000000000D80000-0x0000000000DE8000-memory.dmp

            Filesize

            416KB

          • memory/3960-3-0x0000000005E20000-0x00000000063C4000-memory.dmp

            Filesize

            5.6MB

          • memory/4660-60-0x00000000061A0000-0x00000000061F0000-memory.dmp

            Filesize

            320KB

          • memory/4660-66-0x00000000746E0000-0x0000000074E90000-memory.dmp

            Filesize

            7.7MB

          • memory/4660-71-0x00000000053C0000-0x00000000053D0000-memory.dmp

            Filesize

            64KB

          • memory/4660-62-0x00000000063C0000-0x0000000006582000-memory.dmp

            Filesize

            1.8MB

          • memory/4660-39-0x00000000053C0000-0x00000000053D0000-memory.dmp

            Filesize

            64KB

          • memory/4660-24-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/4660-29-0x00000000746E0000-0x0000000074E90000-memory.dmp

            Filesize

            7.7MB