Analysis

  • max time kernel
    81s
  • max time network
    114s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-02-2023 12:53

General

  • Target

    5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe

  • Size

    3.6MB

  • MD5

    36fd273ea7607d3a203f257f4e2649ed

  • SHA1

    5e243f79ecb539d0d1f75fce7ddfedeccee70a48

  • SHA256

    471d501162e2a5cb6aab3f4f5362ff843d05ef9f20d9fd7ea29733d3a9875747

  • SHA512

    cf81163bc6d1f1141130fbe70944387b97d322afe837ad21a88a0be8f9fd87615bd7022cc572b1783871cc99f224258bae75855e805c733793b723ba0483597d

  • SSDEEP

    98304:VQF9SqUKUehGS26Ish7MUTjA+1VFnqWXvqaY4:VSSzMGS26x1MUTM+/Fh

Malware Config

Extracted

Family

aurora

C2

45.9.74.11:8081

Signatures

  • Aurora

    Aurora is a crypto wallet stealer written in Golang.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe
    "C:\Users\Admin\AppData\Local\Temp\5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4324
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\voiceadequovl.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\voiceadequovl.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2784
      • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
        "C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3644
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMwA1AA==
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:5032
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3084
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1292
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:3556
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:1312
          • C:\Windows\SysWOW64\Wbem\wmic.exe
            wmic os get Caption
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:536
          • C:\Windows\SysWOW64\cmd.exe
            cmd /C "wmic path win32_VideoController get name"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:2144
            • C:\Windows\SysWOW64\Wbem\WMIC.exe
              wmic path win32_VideoController get name
              6⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:3256
          • C:\Windows\SysWOW64\cmd.exe
            cmd /C "wmic cpu get name"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:2480
  • C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic cpu get name
    1⤵
      PID:1388

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

      Filesize

      1KB

      MD5

      4280e36a29fa31c01e4d8b2ba726a0d8

      SHA1

      c485c2c9ce0a99747b18d899b71dfa9a64dabe32

      SHA256

      e2486a1bdcba80dad6dd6210d7374bd70ae196a523c06ceda71370fd3ea78359

      SHA512

      494fe5f0ade03669e5830bed93c964d69b86629440148d7b0881cf53203fd89443ebff9b4d1ee9d96244f62af6edede622d9eacba37f80f389a0d522e4ad4ea4

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache

      Filesize

      53KB

      MD5

      06ad34f9739c5159b4d92d702545bd49

      SHA1

      9152a0d4f153f3f40f7e606be75f81b582ee0c17

      SHA256

      474813b625f00710f29fa3b488235a6a22201851efb336bddf60d7d24a66bfba

      SHA512

      c272cd28ae164d465b779163ba9eca6a28261376414c6bbdfbd9f2128adb7f7ff1420e536b4d6000d0301ded2ec9036bc5c657588458bff41f176bdce8d74f92

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

      Filesize

      16KB

      MD5

      52832a63cb90950e63e5eb7d1f782f0a

      SHA1

      bde748e12eb3c0a39c3bf23815f7ccc0a5c33eb5

      SHA256

      e603f0bce1101ffcb037416eca4f547ff00ffd1651e9c64f1c647a5a700d1d38

      SHA512

      076ca71b8b941fc9a1b322a9ad2f35cf50fc85221849fc27083777d1d4147991934f576dbe44d1e59027dc5bda95c7813698c78937a47fb55f8c932679a17287

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\voiceadequovl.exe

      Filesize

      365.5MB

      MD5

      ba50f2bca86ba947a8d2035bb9b35123

      SHA1

      a542b5c5d41174dc2475a219978123b7d14f958f

      SHA256

      17790c5c071280462ed8e617fd2edfff5bf0f40fb9add57f866f058fdbf24cb5

      SHA512

      08fdb619e411247c571710bc47df2463c95dc2fee82025e548b65ff1a3e4a53e663fafec9bcc5cc234f32211b25f6f9472786c1be543eb71629f32ec09f04379

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\voiceadequovl.exe

      Filesize

      362.5MB

      MD5

      276e79cef98b9fc1de20c8d97f62050f

      SHA1

      dd2e60913d6cb64daead8311768de9bfcbea3686

      SHA256

      5721262fa4194766a2b67ff8afdcc101a0efcfba30c8fa7cbf5e962db8c207cf

      SHA512

      74ecb03a3dbc2dbf64d94b01840f827cfed0fec89b30d73f27f47d593a7dc3082e32d7fa1c93b6434d2ce134398317e0a7a245f8c32b5d041f115ad2f2dcbe98

    • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

      Filesize

      311.5MB

      MD5

      d2c8b31be30bef73f06e38c8fc3734e9

      SHA1

      d96cc767dc15cb1a689c053c5789969620680a44

      SHA256

      cd8efd73c7dd252d940ee670073e860d2d38b6eb41b406ccd95295e21d7e6ba2

      SHA512

      7b38e9ab64670866421d874e582176fcc50da74e63873412b7420c7e8de757e0724032958663ca48d9e1a7e32ac867871cdffe94244291634ef6a9ca36024fee

    • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

      Filesize

      315.7MB

      MD5

      11aa8dfb89d58458024ab822205edc8a

      SHA1

      83303fed1f973a377c39c60e33068724fdc2fba5

      SHA256

      5067935c068f03fd311e929a61462f07954487885cddabd781dc36e1c3e86001

      SHA512

      c0f6cc15fa1945fb483fdd9d261b9b3b5c025bb31b6d18b582693633a9937f0d4834f57641e6af8b36306bc602d477b8c6eaeec684824b398cf4653b27c46a5c

    • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

      Filesize

      122.7MB

      MD5

      360ac631c98d7879468b4b0441d7c34f

      SHA1

      6f31673a937e191737b5ec165db8e84f5ef3f698

      SHA256

      46040c65ed6052e772d4e18bc4e561dc4863e7f9092f50d77e53e40dfe670b1f

      SHA512

      72b082ed9837b778631bd97b905e5f48c76c736126bdd107eed7c1339b3a1b947373c798390bad03b4e6272b769594f605e14518d4bda14c2ec5f8600366f540

    • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

      Filesize

      122.5MB

      MD5

      4fa849d225b00499e1676feefb5f9418

      SHA1

      f5e152ef7508a8fdb98872ed04f18b7cebcc3526

      SHA256

      6e5130503ef63e6c3b5d2fb9a4e59cdb15ab651bc6c6a8d68cb56165623256eb

      SHA512

      6c9a1aca72a47b14e7540cba22d76fa31f6f0c21d03ca78419316bf3747634b90aca7a4148b844aa148c36220c7c2a37b7e302b71e49029907dca0ab18ad3f99

    • memory/536-161-0x0000000000000000-mapping.dmp

    • memory/1292-162-0x0000000006130000-0x0000000006162000-memory.dmp

      Filesize

      200KB

    • memory/1292-163-0x0000000073E00000-0x0000000073E4C000-memory.dmp

      Filesize

      304KB

    • memory/1292-173-0x00000000070A0000-0x00000000070A8000-memory.dmp

      Filesize

      32KB

    • memory/1292-172-0x00000000070C0000-0x00000000070DA000-memory.dmp

      Filesize

      104KB

    • memory/1292-171-0x00000000059F0000-0x00000000059FE000-memory.dmp

      Filesize

      56KB

    • memory/1292-164-0x0000000006110000-0x000000000612E000-memory.dmp

      Filesize

      120KB

    • memory/1292-149-0x0000000000000000-mapping.dmp

    • memory/1292-165-0x0000000006F30000-0x0000000006F3A000-memory.dmp

      Filesize

      40KB

    • memory/1292-166-0x0000000007160000-0x00000000071F6000-memory.dmp

      Filesize

      600KB

    • memory/1312-157-0x0000000000400000-0x0000000000731000-memory.dmp

      Filesize

      3.2MB

    • memory/1312-174-0x0000000000400000-0x0000000000731000-memory.dmp

      Filesize

      3.2MB

    • memory/1312-153-0x0000000000000000-mapping.dmp

    • memory/1312-158-0x0000000000400000-0x0000000000731000-memory.dmp

      Filesize

      3.2MB

    • memory/1312-154-0x0000000000400000-0x0000000000731000-memory.dmp

      Filesize

      3.2MB

    • memory/1388-170-0x0000000000000000-mapping.dmp

    • memory/2144-167-0x0000000000000000-mapping.dmp

    • memory/2480-169-0x0000000000000000-mapping.dmp

    • memory/2784-132-0x0000000000000000-mapping.dmp

    • memory/3084-148-0x0000000000000000-mapping.dmp

    • memory/3256-168-0x0000000000000000-mapping.dmp

    • memory/3556-151-0x0000000000000000-mapping.dmp

    • memory/3644-138-0x0000000000F80000-0x00000000016F4000-memory.dmp

      Filesize

      7.5MB

    • memory/3644-135-0x0000000000000000-mapping.dmp

    • memory/3644-139-0x0000000007650000-0x0000000007672000-memory.dmp

      Filesize

      136KB

    • memory/5032-142-0x0000000004EA0000-0x00000000054C8000-memory.dmp

      Filesize

      6.2MB

    • memory/5032-140-0x0000000000000000-mapping.dmp

    • memory/5032-141-0x00000000026C0000-0x00000000026F6000-memory.dmp

      Filesize

      216KB

    • memory/5032-147-0x0000000006190000-0x00000000061AA000-memory.dmp

      Filesize

      104KB

    • memory/5032-146-0x00000000072F0000-0x000000000796A000-memory.dmp

      Filesize

      6.5MB

    • memory/5032-145-0x0000000005CA0000-0x0000000005CBE000-memory.dmp

      Filesize

      120KB

    • memory/5032-144-0x0000000005640000-0x00000000056A6000-memory.dmp

      Filesize

      408KB

    • memory/5032-143-0x0000000004D70000-0x0000000004DD6000-memory.dmp

      Filesize

      408KB