Analysis

  • max time kernel
    133s
  • max time network
    140s
  • 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 13:19

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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 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:4904
    • 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:4844
      • 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:628
        • 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:224
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2908
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4644
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:1272
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:1948
          • C:\Windows\SysWOW64\Wbem\wmic.exe
            wmic os get Caption
            5⤵
              PID:1092
            • C:\Windows\SysWOW64\cmd.exe
              cmd /C "wmic path win32_VideoController get name"
              5⤵
                PID:1320
                • C:\Windows\SysWOW64\Wbem\WMIC.exe
                  wmic path win32_VideoController get name
                  6⤵
                    PID:3064
                • C:\Windows\SysWOW64\cmd.exe
                  cmd /C "wmic cpu get name"
                  5⤵
                    PID:3624
                    • C:\Windows\SysWOW64\Wbem\WMIC.exe
                      wmic cpu get name
                      6⤵
                        PID:4100

            Network

            MITRE ATT&CK Enterprise v6

            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

              2d2183a43f7541533befb418f5fbe520

              SHA1

              243947a911e345f84800335fac967ffa1b35ce35

              SHA256

              4e3f1e84192e55b0d54f2c0f4f19fc108eaa7374f1458da8a593ce6b573990e3

              SHA512

              134a284647f356cd86870d6b7f596ddc0571785129c923e0f09246cd26eda40f340bf1b69d7215a264c3afbfbc9d53441c977d8f9e9327770a8109bceaf41fdc

            • 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

              159.7MB

              MD5

              2e2cadc82b10b7128f5f1cee299e0351

              SHA1

              0d5404b45e54356fe474962a3802dd507f3d6294

              SHA256

              c1bf8f0b68b5b09e324ae42969d9b6cd00c7d026bbade9c615b01a48f4aa22a8

              SHA512

              d5a667057cb9aa9b4bb3babb4980ac12fadca351f5420fa97eccba5a650da547d1dfbe8aeed544959355ba3da38e8d860024bb67f8a2745433029ca720e9aa64

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

              Filesize

              162.2MB

              MD5

              b41b382e3dfd828e6a32f52df21a2333

              SHA1

              737ecf56c14d70f90e3d2f209520e5b45968eeae

              SHA256

              262e0d4c138598c655e07029ad798d5d4e24057c003b6ba0c5d0d869e127237d

              SHA512

              daec1f343c2b60b3917413481eb31d1b347d73dbad78b0a3fbd9ff6b992f5a24578c2cbbd7f5ec50ec7b81bc0f33a49010481d05fcf2bdf2e3a8d4323712a04a

            • memory/224-141-0x00000000046F0000-0x0000000004726000-memory.dmp

              Filesize

              216KB

            • memory/224-140-0x0000000000000000-mapping.dmp

            • memory/224-143-0x00000000055B0000-0x0000000005616000-memory.dmp

              Filesize

              408KB

            • memory/224-144-0x0000000005620000-0x0000000005686000-memory.dmp

              Filesize

              408KB

            • memory/224-145-0x0000000005CB0000-0x0000000005CCE000-memory.dmp

              Filesize

              120KB

            • memory/224-146-0x00000000072F0000-0x000000000796A000-memory.dmp

              Filesize

              6.5MB

            • memory/224-147-0x00000000061D0000-0x00000000061EA000-memory.dmp

              Filesize

              104KB

            • memory/224-142-0x0000000004E80000-0x00000000054A8000-memory.dmp

              Filesize

              6.2MB

            • memory/628-139-0x0000000005CA0000-0x0000000005CC2000-memory.dmp

              Filesize

              136KB

            • memory/628-135-0x0000000000000000-mapping.dmp

            • memory/628-138-0x0000000000C50000-0x00000000013C4000-memory.dmp

              Filesize

              7.5MB

            • memory/1092-160-0x0000000000000000-mapping.dmp

            • memory/1272-151-0x0000000000000000-mapping.dmp

            • memory/1320-165-0x0000000000000000-mapping.dmp

            • memory/1948-157-0x0000000000400000-0x0000000000731000-memory.dmp

              Filesize

              3.2MB

            • memory/1948-154-0x0000000000400000-0x0000000000731000-memory.dmp

              Filesize

              3.2MB

            • memory/1948-158-0x0000000000400000-0x0000000000731000-memory.dmp

              Filesize

              3.2MB

            • memory/1948-153-0x0000000000000000-mapping.dmp

            • memory/2908-148-0x0000000000000000-mapping.dmp

            • memory/3064-167-0x0000000000000000-mapping.dmp

            • memory/3624-169-0x0000000000000000-mapping.dmp

            • memory/4100-170-0x0000000000000000-mapping.dmp

            • memory/4644-149-0x0000000000000000-mapping.dmp

            • memory/4644-164-0x00000000069B0000-0x00000000069CE000-memory.dmp

              Filesize

              120KB

            • memory/4644-166-0x00000000077F0000-0x00000000077FA000-memory.dmp

              Filesize

              40KB

            • memory/4644-163-0x0000000073840000-0x000000007388C000-memory.dmp

              Filesize

              304KB

            • memory/4644-168-0x0000000007A40000-0x0000000007AD6000-memory.dmp

              Filesize

              600KB

            • memory/4644-162-0x0000000007430000-0x0000000007462000-memory.dmp

              Filesize

              200KB

            • memory/4844-132-0x0000000000000000-mapping.dmp