Analysis

  • max time kernel
    138s
  • max time network
    147s
  • 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 13:22

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 2 IoCs
  • Adds Run key to start application 2 TTPs 2 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 3 IoCs
  • Suspicious use of WriteProcessMemory 15 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:4860
    • 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:4912
      • 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 AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2704
        • 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:1420
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4244
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:396
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
            PID:3444
          • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
            C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
            4⤵
              PID:4168
            • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
              C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
              4⤵
                PID:1624
                • C:\Windows\SysWOW64\Wbem\wmic.exe
                  wmic os get Caption
                  5⤵
                    PID:1084
                • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
                  C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
                  4⤵
                    PID:3908

            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

              6195a91754effb4df74dbc72cdf4f7a6

              SHA1

              aba262f5726c6d77659fe0d3195e36a85046b427

              SHA256

              3254495a5513b37a2686a876d0040275414699e7ce760e7b5ee05e41a54b96f5

              SHA512

              ed723d15de267390dc93263538428e2c881be3494c996a810616b470d6df7d5acfcc8725687d5c50319ebef45caef44f769bfc32e0dc3abd249dacff4a12cc89

            • 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

              d1905bc82ea393a435265cde34ec5f4c

              SHA1

              dda21740632614a1e62a38f43748793bc52f63de

              SHA256

              379cc41273bfdcc69afb1bd957aec78462bef52eff97841b4f6b23e915295a5c

              SHA512

              d8607ddc4dc0665eefff5a1a1354b3efb0af183da4a97fd3c20e41a00f56869c3de3cc0b98f27b303706096c816f332cc3b9c3a703b261fa7a9d7dea4ae68397

            • 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

              36.4MB

              MD5

              56b84c460605b9afe06b71e48ee29ef7

              SHA1

              fa3dd9195f820e8e54f7d947e44580742aedf02c

              SHA256

              887147ede6ab7d01f1cab8f99c09be460ea45e4f85b3b973c4113bad720f5b45

              SHA512

              c240d464b0d1632abd6352895f2de0ac1343516bfb74675a5a06c122dcfa5e5547e9ae81fd467bb15323b0d37a88c60d50846f4fe8ae877dc3f849ad5645a509

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

              52.4MB

              MD5

              d16f03cba377d1da242948003935905d

              SHA1

              d53fee552e6145ae324afa81f211054124502568

              SHA256

              69293bc85dda101d21edff1deee7fcba1d0378aaa9ae6cce5aa920c119dadba9

              SHA512

              48b057953f656cdc297ad59a09e35d48904ec7ca47ba529da927b6716d3b73c51cc4322f45b808af6a056d484871f1316c1b20dbccc3b58b010ae7b5a9074928

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

              52.7MB

              MD5

              c1b0f039e0ebdd40b81764b2ea039f1d

              SHA1

              6cf9e83e933e0fad43e16d935bff5765d672c072

              SHA256

              5d3d32583b34f40bc7ba495867d879be20529af326f360dbbdc268ac28fd6a08

              SHA512

              6b96d6964e5fede065af30b21b1c0d59c3de72f45f6933806e8517b9f188e477c8fb10e8bb367403949a640551125319d9e73df3916b1b569b098520d8522bbe

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

              51.2MB

              MD5

              39e33320af8468e7e556924f02d47d67

              SHA1

              a9a077b6503e76391d0722ee2d998ec0e4812b0d

              SHA256

              a245e5597392c4404c0d90f951bf14822693de94c439779702a42bb36a37663e

              SHA512

              f647e412ad0e3afbec1c8ba07297e6b691314ee9dc45dbf5cdc828fdaa0bb1d951e57593a7f971d58f8d897cfe0fb9bcc4b283533ed8e9832fddbf2dc2b2ca2b

            • memory/396-169-0x00000000073C0000-0x00000000073CA000-memory.dmp
              Filesize

              40KB

            • memory/396-149-0x0000000000000000-mapping.dmp
            • memory/396-166-0x000000006FC50000-0x000000006FC9C000-memory.dmp
              Filesize

              304KB

            • memory/396-167-0x00000000065B0000-0x00000000065CE000-memory.dmp
              Filesize

              120KB

            • memory/396-170-0x0000000007600000-0x0000000007696000-memory.dmp
              Filesize

              600KB

            • memory/396-165-0x00000000065E0000-0x0000000006612000-memory.dmp
              Filesize

              200KB

            • memory/1084-168-0x0000000000000000-mapping.dmp
            • memory/1420-147-0x00000000060E0000-0x00000000060FA000-memory.dmp
              Filesize

              104KB

            • memory/1420-141-0x0000000002300000-0x0000000002336000-memory.dmp
              Filesize

              216KB

            • memory/1420-144-0x00000000055C0000-0x0000000005626000-memory.dmp
              Filesize

              408KB

            • memory/1420-142-0x0000000004EB0000-0x00000000054D8000-memory.dmp
              Filesize

              6.2MB

            • memory/1420-140-0x0000000000000000-mapping.dmp
            • memory/1420-143-0x0000000005550000-0x00000000055B6000-memory.dmp
              Filesize

              408KB

            • memory/1420-146-0x00000000073F0000-0x0000000007A6A000-memory.dmp
              Filesize

              6.5MB

            • memory/1420-145-0x0000000005BF0000-0x0000000005C0E000-memory.dmp
              Filesize

              120KB

            • memory/1624-158-0x0000000000000000-mapping.dmp
            • memory/1624-160-0x0000000000400000-0x0000000000731000-memory.dmp
              Filesize

              3.2MB

            • memory/1624-163-0x0000000000400000-0x0000000000731000-memory.dmp
              Filesize

              3.2MB

            • memory/1624-164-0x0000000000400000-0x0000000000731000-memory.dmp
              Filesize

              3.2MB

            • memory/2704-135-0x0000000000000000-mapping.dmp
            • memory/2704-138-0x0000000000550000-0x0000000000CC4000-memory.dmp
              Filesize

              7.5MB

            • memory/2704-139-0x0000000006AD0000-0x0000000006AF2000-memory.dmp
              Filesize

              136KB

            • memory/3444-152-0x0000000000000000-mapping.dmp
            • memory/3908-156-0x0000000000000000-mapping.dmp
            • memory/4168-154-0x0000000000000000-mapping.dmp
            • memory/4244-148-0x0000000000000000-mapping.dmp
            • memory/4912-132-0x0000000000000000-mapping.dmp