Analysis

  • max time kernel
    137s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-02-2023 06:44

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 3 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 29 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:4388
    • 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:632
      • 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 use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:980
        • 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:868
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3168
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2276
        • 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:5112
          • C:\Windows\SysWOW64\Wbem\wmic.exe
            wmic os get Caption
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1212
          • C:\Windows\SysWOW64\cmd.exe
            cmd /C "wmic path win32_VideoController get name"
            5⤵
              PID:1308
              • C:\Windows\SysWOW64\Wbem\WMIC.exe
                wmic path win32_VideoController get name
                6⤵
                  PID:4876
              • C:\Windows\SysWOW64\cmd.exe
                cmd /C "wmic cpu get name"
                5⤵
                  PID:348
                  • C:\Windows\SysWOW64\Wbem\WMIC.exe
                    wmic cpu get name
                    6⤵
                      PID:3496

          Network

          MITRE ATT&CK Matrix ATT&CK v6

          Persistence

          Registry Run Keys / Startup Folder

          1
          T1060

          Defense Evasion

          Modify Registry

          1
          T1112

          Discovery

          Query Registry

          1
          T1012

          System Information Discovery

          2
          T1082

          Replay Monitor

          Loading Replay Monitor...

          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

            d08d09f1b18c34545275ad70e24a66c4

            SHA1

            3028b94930dc3f8af7ad74b59e34b9a4d4a43fac

            SHA256

            f2ffa39739bbba39a388c65cbad077827d25271670d10ffb41fdbff6e42cda4b

            SHA512

            2c7af1dbff9e00c95f1d83a676048d3330ff44a3a2cf7c2883f2c241317702ded5fef7270916c132c4c1b5e93d56d569067cc32957700906251d69d4196bc6e7

          • 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

            365.5MB

            MD5

            ba50f2bca86ba947a8d2035bb9b35123

            SHA1

            a542b5c5d41174dc2475a219978123b7d14f958f

            SHA256

            17790c5c071280462ed8e617fd2edfff5bf0f40fb9add57f866f058fdbf24cb5

            SHA512

            08fdb619e411247c571710bc47df2463c95dc2fee82025e548b65ff1a3e4a53e663fafec9bcc5cc234f32211b25f6f9472786c1be543eb71629f32ec09f04379

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

            369.8MB

            MD5

            14a9737eb666769fee7c28a00eb14e82

            SHA1

            ab8f2279f13a546fc32233a4da0855660fb07ec0

            SHA256

            a5fda7973fc4b9cf7fa14943302c0b6cd81c7615105ab0031e20fc5ed2a2396a

            SHA512

            973d5236da1979d31376d55f6b304fa166835d99a4574e3345e25ebed5b492cf9a3ae3f0a800d137fa8756288684b6d5c07ff97c8e5c2cbb698585f09373e9e7

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

            369.8MB

            MD5

            14a9737eb666769fee7c28a00eb14e82

            SHA1

            ab8f2279f13a546fc32233a4da0855660fb07ec0

            SHA256

            a5fda7973fc4b9cf7fa14943302c0b6cd81c7615105ab0031e20fc5ed2a2396a

            SHA512

            973d5236da1979d31376d55f6b304fa166835d99a4574e3345e25ebed5b492cf9a3ae3f0a800d137fa8756288684b6d5c07ff97c8e5c2cbb698585f09373e9e7

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

            220.0MB

            MD5

            c43790be9255cf3846f60329a1a153ea

            SHA1

            fcd89e2f467c0cab3c7e3a00d03ab18edffd10bb

            SHA256

            64410ec11d3e9013ccbc70b45a0738ef4369d2ef0a21dcf4c5fc6cdd99209545

            SHA512

            cbf79d28f9e68bfb5f24555f81eab86d26758711fabf32b5d8583c897f57e32ee6337e9d8b6838c9d29db836549f05c9d72cad785621ecb079a59e945ef2bb49

          • memory/348-167-0x0000000000000000-mapping.dmp
          • memory/632-132-0x0000000000000000-mapping.dmp
          • memory/868-142-0x0000000005970000-0x0000000005F98000-memory.dmp
            Filesize

            6.2MB

          • memory/868-143-0x00000000060A0000-0x0000000006106000-memory.dmp
            Filesize

            408KB

          • memory/868-144-0x0000000006180000-0x00000000061E6000-memory.dmp
            Filesize

            408KB

          • memory/868-145-0x00000000068B0000-0x00000000068CE000-memory.dmp
            Filesize

            120KB

          • memory/868-146-0x00000000080F0000-0x000000000876A000-memory.dmp
            Filesize

            6.5MB

          • memory/868-147-0x0000000006D20000-0x0000000006D3A000-memory.dmp
            Filesize

            104KB

          • memory/868-141-0x0000000005270000-0x00000000052A6000-memory.dmp
            Filesize

            216KB

          • memory/868-140-0x0000000000000000-mapping.dmp
          • memory/980-139-0x0000000007350000-0x0000000007372000-memory.dmp
            Filesize

            136KB

          • memory/980-138-0x0000000000DD0000-0x0000000001544000-memory.dmp
            Filesize

            7.5MB

          • memory/980-135-0x0000000000000000-mapping.dmp
          • memory/1212-159-0x0000000000000000-mapping.dmp
          • memory/1308-164-0x0000000000000000-mapping.dmp
          • memory/2276-163-0x0000000006E30000-0x0000000006E3A000-memory.dmp
            Filesize

            40KB

          • memory/2276-165-0x0000000007070000-0x0000000007106000-memory.dmp
            Filesize

            600KB

          • memory/2276-171-0x0000000006FB0000-0x0000000006FB8000-memory.dmp
            Filesize

            32KB

          • memory/2276-170-0x0000000006FD0000-0x0000000006FEA000-memory.dmp
            Filesize

            104KB

          • memory/2276-160-0x0000000006A60000-0x0000000006A92000-memory.dmp
            Filesize

            200KB

          • memory/2276-161-0x0000000075640000-0x000000007568C000-memory.dmp
            Filesize

            304KB

          • memory/2276-162-0x0000000004750000-0x000000000476E000-memory.dmp
            Filesize

            120KB

          • memory/2276-169-0x00000000057C0000-0x00000000057CE000-memory.dmp
            Filesize

            56KB

          • memory/2276-149-0x0000000000000000-mapping.dmp
          • memory/3168-148-0x0000000000000000-mapping.dmp
          • memory/3496-168-0x0000000000000000-mapping.dmp
          • memory/4876-166-0x0000000000000000-mapping.dmp
          • memory/5112-156-0x0000000000400000-0x0000000000731000-memory.dmp
            Filesize

            3.2MB

          • memory/5112-151-0x0000000000000000-mapping.dmp
          • memory/5112-152-0x0000000000400000-0x0000000000731000-memory.dmp
            Filesize

            3.2MB

          • memory/5112-155-0x0000000000400000-0x0000000000731000-memory.dmp
            Filesize

            3.2MB

          • memory/5112-172-0x0000000000400000-0x0000000000731000-memory.dmp
            Filesize

            3.2MB