Analysis

  • max time kernel
    138s
  • max time network
    151s
  • 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 13:35

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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 18 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:4892
    • 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:1016
      • 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:3912
        • 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:4188
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4564
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:3528
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
            PID:2180
          • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
            C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
            4⤵
              PID:3056
            • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
              C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
              4⤵
                PID:4072
                • C:\Windows\SysWOW64\Wbem\wmic.exe
                  wmic os get Caption
                  5⤵
                    PID:452
                  • C:\Windows\SysWOW64\cmd.exe
                    cmd /C "wmic path win32_VideoController get name"
                    5⤵
                      PID:1532
                      • C:\Windows\SysWOW64\Wbem\WMIC.exe
                        wmic path win32_VideoController get name
                        6⤵
                          PID:3808
                      • C:\Windows\SysWOW64\cmd.exe
                        cmd /C "wmic cpu get name"
                        5⤵
                          PID:4368
                          • C:\Windows\SysWOW64\Wbem\WMIC.exe
                            wmic cpu get name
                            6⤵
                              PID:368
                        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
                          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
                          4⤵
                            PID:3988

                    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

                      e3c27eaa7ba8319eba83a3ede7147fd3

                      SHA1

                      fabe33e589c1b1844c6a1406a1c0d437e6b884d3

                      SHA256

                      a50dc1aa7049f040d9eefc7e3c559ea76054fcc1d1bb19adab8ca18aa803e687

                      SHA512

                      cc243f227b39a127051ded06d9963f26181585d32ff53db9b78b4ae80eeb129abea44021b8dc65a7c34c1a77a24c334671406bcdef913ec20a7127141abf7b14

                    • 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

                      44.2MB

                      MD5

                      4e0ee541936eda55f1fb600340ae8cb7

                      SHA1

                      c7c716ea601e54d91a786f3222c8995082bbeb82

                      SHA256

                      27610219167f39ba791bcad5205d2497704f623aae4ea3b48e4f99b84afb0bfa

                      SHA512

                      58e46f0cd2ace6f6d84117e63f1591772d5558f73b3d14ea4689f4a7878eb974d701f77988d79429b3b4dce4fe6d45d24ef77ba1eb4e5eaa288f0c53bd4efe43

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

                      43.1MB

                      MD5

                      e5a6c58ca750b0bf624ea02699acea32

                      SHA1

                      8f724eaf1df9f426b58d076faebcdcd9f71d7eda

                      SHA256

                      9fe1da0d9dc05687d980270d2758b6d39aa59a9ed9409210a441d51c79909c43

                      SHA512

                      f24579f7e0bbae189ad160eda613abc066809335c38f7da985f4f9c98b35b2f7f467102049230fcf752150332d706132cfc9fc10ae407f3dc99b8ad7c5a4016a

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

                      39.6MB

                      MD5

                      4d01cf736f52444322f13c63d07f03dc

                      SHA1

                      fad2413d5a373fad6d3652a4839e6000a6c2d7fb

                      SHA256

                      8fde44b5a1ffc7a62d7321e15a061621beb2c8f00a04020e2bc838d4ef9d266b

                      SHA512

                      2f8ac746b49d6a7d40198416afac70b6f00e86ac8facc7a881fe208ee65054e4ade2d1ca872dfc7d736fd58d2d886bbfe7c65724ffe0040e61e3f9d48598b7d8

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

                      42.1MB

                      MD5

                      91a082f74067da275a5a8559f84f5d83

                      SHA1

                      f50b0db6dc044a3126ce6fa10258820730ca6160

                      SHA256

                      89cd20cd046b771ef5171af1d16f1d642f864e394d2c8a0d0d0284205ec8f356

                      SHA512

                      dcfcc9134d1fc0ad9364c2eee11ac19d968d7e7e5d9395a4d4f77790541ee26c93b6f99a2a1946a12914e31c6bbf6a82902a4c1c6b8002daa64739c814b6b869

                    • memory/368-174-0x0000000000000000-mapping.dmp
                    • memory/452-164-0x0000000000000000-mapping.dmp
                    • memory/1016-132-0x0000000000000000-mapping.dmp
                    • memory/1532-170-0x0000000000000000-mapping.dmp
                    • memory/2180-151-0x0000000000000000-mapping.dmp
                    • memory/3056-153-0x0000000000000000-mapping.dmp
                    • memory/3528-166-0x0000000007810000-0x0000000007842000-memory.dmp
                      Filesize

                      200KB

                    • memory/3528-177-0x0000000007B80000-0x0000000007B88000-memory.dmp
                      Filesize

                      32KB

                    • memory/3528-176-0x0000000007BA0000-0x0000000007BBA000-memory.dmp
                      Filesize

                      104KB

                    • memory/3528-175-0x00000000064E0000-0x00000000064EE000-memory.dmp
                      Filesize

                      56KB

                    • memory/3528-149-0x0000000000000000-mapping.dmp
                    • memory/3528-171-0x0000000007C40000-0x0000000007CD6000-memory.dmp
                      Filesize

                      600KB

                    • memory/3528-169-0x0000000007A00000-0x0000000007A0A000-memory.dmp
                      Filesize

                      40KB

                    • memory/3528-168-0x00000000077F0000-0x000000000780E000-memory.dmp
                      Filesize

                      120KB

                    • memory/3528-167-0x0000000075200000-0x000000007524C000-memory.dmp
                      Filesize

                      304KB

                    • memory/3808-172-0x0000000000000000-mapping.dmp
                    • memory/3912-139-0x00000000056E0000-0x0000000005702000-memory.dmp
                      Filesize

                      136KB

                    • memory/3912-135-0x0000000000000000-mapping.dmp
                    • memory/3912-138-0x0000000000650000-0x0000000000DC4000-memory.dmp
                      Filesize

                      7.5MB

                    • memory/3988-155-0x0000000000000000-mapping.dmp
                    • memory/4072-159-0x0000000000400000-0x0000000000731000-memory.dmp
                      Filesize

                      3.2MB

                    • memory/4072-162-0x0000000000400000-0x0000000000731000-memory.dmp
                      Filesize

                      3.2MB

                    • memory/4072-163-0x0000000000400000-0x0000000000731000-memory.dmp
                      Filesize

                      3.2MB

                    • memory/4072-158-0x0000000000000000-mapping.dmp
                    • memory/4188-141-0x0000000002680000-0x00000000026B6000-memory.dmp
                      Filesize

                      216KB

                    • memory/4188-142-0x0000000004E50000-0x0000000005478000-memory.dmp
                      Filesize

                      6.2MB

                    • memory/4188-140-0x0000000000000000-mapping.dmp
                    • memory/4188-143-0x0000000005570000-0x00000000055D6000-memory.dmp
                      Filesize

                      408KB

                    • memory/4188-145-0x00000000049D0000-0x00000000049EE000-memory.dmp
                      Filesize

                      120KB

                    • memory/4188-144-0x0000000005650000-0x00000000056B6000-memory.dmp
                      Filesize

                      408KB

                    • memory/4188-146-0x00000000072A0000-0x000000000791A000-memory.dmp
                      Filesize

                      6.5MB

                    • memory/4188-147-0x0000000006170000-0x000000000618A000-memory.dmp
                      Filesize

                      104KB

                    • memory/4368-173-0x0000000000000000-mapping.dmp
                    • memory/4564-148-0x0000000000000000-mapping.dmp