Analysis

  • max time kernel
    144s
  • max time network
    153s
  • 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 13:28

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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 26 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:4364
    • 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:636
      • 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:4308
        • 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:3588
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4264
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
            5⤵
              PID:4620
          • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
            C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
            4⤵
            • Executes dropped EXE
            PID:3224
            • C:\Windows\SysWOW64\Wbem\wmic.exe
              wmic os get Caption
              5⤵
                PID:1452
              • C:\Windows\SysWOW64\cmd.exe
                cmd /C "wmic path win32_VideoController get name"
                5⤵
                  PID:3308
                  • C:\Windows\SysWOW64\Wbem\WMIC.exe
                    wmic path win32_VideoController get name
                    6⤵
                      PID:5108
                  • C:\Windows\SysWOW64\cmd.exe
                    cmd /C "wmic cpu get name"
                    5⤵
                      PID:4680
                      • C:\Windows\SysWOW64\Wbem\WMIC.exe
                        wmic cpu get name
                        6⤵
                          PID:5036

              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

                cc73a25ef683852af2bad0c0d9b0de94

                SHA1

                dd7913cfbcc7fad5edac2c9f656467a53663e5f8

                SHA256

                cc3cf269353a805488336238cc8bc55f9900484e18bd25cee016ab57f3510ce5

                SHA512

                d40743a0e1f10cd21dfc7b0b113b4d3e579e7784d6b47ae12b44644988c9e42fd1d7cce4fea32a3f7188f615f1bfcb8b45ca5932873007f963eee16c6635df3b

              • 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

                63.0MB

                MD5

                f63b44eadfb46f652e33bc53b185204b

                SHA1

                4f3d1c17933f487169f3257c84ba661948cbb24d

                SHA256

                b8aad885ed11827bdd72f93cc49a88fcf73b26ecb871cfa3b6b6aee0abed41d4

                SHA512

                30e29137792d3fb5015b6feca418861ce7c39f5cefaa8a05a8ead6614cf59decf39dabe9765f608a39e9baf06c753b73170e7147b6c98aa78b9757f771a5631d

              • memory/636-132-0x0000000000000000-mapping.dmp
              • memory/1452-159-0x0000000000000000-mapping.dmp
              • memory/3224-156-0x0000000000400000-0x0000000000731000-memory.dmp
                Filesize

                3.2MB

              • memory/3224-155-0x0000000000400000-0x0000000000731000-memory.dmp
                Filesize

                3.2MB

              • memory/3224-151-0x0000000000400000-0x0000000000731000-memory.dmp
                Filesize

                3.2MB

              • memory/3224-150-0x0000000000000000-mapping.dmp
              • memory/3308-165-0x0000000000000000-mapping.dmp
              • memory/3588-141-0x00000000021D0000-0x0000000002206000-memory.dmp
                Filesize

                216KB

              • memory/3588-140-0x0000000000000000-mapping.dmp
              • memory/3588-147-0x0000000005FE0000-0x0000000005FFA000-memory.dmp
                Filesize

                104KB

              • memory/3588-146-0x0000000007360000-0x00000000079DA000-memory.dmp
                Filesize

                6.5MB

              • memory/3588-145-0x0000000005AE0000-0x0000000005AFE000-memory.dmp
                Filesize

                120KB

              • memory/3588-144-0x0000000005490000-0x00000000054F6000-memory.dmp
                Filesize

                408KB

              • memory/3588-143-0x0000000005370000-0x00000000053D6000-memory.dmp
                Filesize

                408KB

              • memory/3588-142-0x0000000004CD0000-0x00000000052F8000-memory.dmp
                Filesize

                6.2MB

              • memory/4264-148-0x0000000000000000-mapping.dmp
              • memory/4308-138-0x0000000000400000-0x0000000000B74000-memory.dmp
                Filesize

                7.5MB

              • memory/4308-139-0x0000000006AC0000-0x0000000006AE2000-memory.dmp
                Filesize

                136KB

              • memory/4308-135-0x0000000000000000-mapping.dmp
              • memory/4620-164-0x0000000007C60000-0x0000000007CF6000-memory.dmp
                Filesize

                600KB

              • memory/4620-161-0x0000000072F40000-0x0000000072F8C000-memory.dmp
                Filesize

                304KB

              • memory/4620-162-0x0000000007610000-0x000000000762E000-memory.dmp
                Filesize

                120KB

              • memory/4620-163-0x0000000007A10000-0x0000000007A1A000-memory.dmp
                Filesize

                40KB

              • memory/4620-160-0x0000000007630000-0x0000000007662000-memory.dmp
                Filesize

                200KB

              • memory/4620-149-0x0000000000000000-mapping.dmp
              • memory/4620-169-0x0000000006110000-0x000000000611E000-memory.dmp
                Filesize

                56KB

              • memory/4620-170-0x0000000007BE0000-0x0000000007BFA000-memory.dmp
                Filesize

                104KB

              • memory/4620-171-0x0000000007BC0000-0x0000000007BC8000-memory.dmp
                Filesize

                32KB

              • memory/4680-167-0x0000000000000000-mapping.dmp
              • memory/5036-168-0x0000000000000000-mapping.dmp
              • memory/5108-166-0x0000000000000000-mapping.dmp