Analysis

  • max time kernel
    88s
  • 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 01:06

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 5 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 41 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:4800
    • 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:4724
      • 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:1544
        • 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:3960
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2364
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2108
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:5028
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:2324
        • 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:1804
          • C:\Windows\SysWOW64\Wbem\wmic.exe
            wmic os get Caption
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:2176
          • C:\Windows\SysWOW64\cmd.exe
            cmd /C "wmic path win32_VideoController get name"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1648
            • C:\Windows\SysWOW64\Wbem\WMIC.exe
              wmic path win32_VideoController get name
              6⤵
                PID:4256
            • C:\Windows\SysWOW64\cmd.exe
              cmd /C "wmic cpu get name"
              5⤵
                PID:4336
                • C:\Windows\SysWOW64\Wbem\WMIC.exe
                  wmic cpu get name
                  6⤵
                    PID:2720

        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

          e2dc47a58cf202c1b4311a4981061dc1

          SHA1

          d54f1b69a2c75218caedf89292dd416c1ed031de

          SHA256

          e347eceab4db3fb8a6b4442adb52b84b6bf4fdb3539220a380a296ed7ea1a7a1

          SHA512

          2245dde6fff2354fc031ee55a8f4b366e373612676952ed2f7673fdce90cf5abe4d9fb789989173f75e65b334544ec68e0ac336da3306a21c58b0d3e48a68f48

        • 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

          322.3MB

          MD5

          c5414b0d8aa48173acb3304202f7bfd0

          SHA1

          71aa4da138fd2dee7cc777900d802a9f777c5395

          SHA256

          ae188306a4c9b5b00084c5fcf29846d1d5f50fa046e33bdcecef540e13c58fbd

          SHA512

          12942e7e34992d775587c2920873501ef533790c9598ad3cf9fa3cb83616caebf7b78dcf828b75c7985efdbd7bf44e4211b6264e02acbd06d81be007896fc433

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

          341.2MB

          MD5

          6d6bdc1bef99cc4331d72db877a5fd8b

          SHA1

          adfa74168007f9cfc962e2ab228bc236d7ac6d78

          SHA256

          8b7123f83a38f28e38369975e1c45c6056270a4b1e847db124e844831d41de40

          SHA512

          34d5ac262595e0dc4f0f54e761d26160f5afdc53436e8d1e6c74db420e4f02e41ee3fb86d7ab78923253d5e36a6b464d21f147f82a6245c395017a828220d0da

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

          320.0MB

          MD5

          c6fb7c86b71a092e800cc5565ba473ae

          SHA1

          98712c5a99f584b07a38c8a26a90083b41f6a4bd

          SHA256

          b14a0673b7423bbc74bcb61c4e48bb06f76106f056825f9f8da708a50ad5a049

          SHA512

          93a7483e673a2a7a6ac900016f16039a10d1d6a5655fed0935cc7bada94a019d68f19b36d7060d0cb160cb80d7dc9767e89757bc82ce0d505cfd5813f34250f2

        • memory/1544-135-0x0000000000000000-mapping.dmp
        • memory/1544-138-0x0000000000480000-0x0000000000BF4000-memory.dmp
          Filesize

          7.5MB

        • memory/1544-139-0x0000000006B40000-0x0000000006B62000-memory.dmp
          Filesize

          136KB

        • memory/1648-168-0x0000000000000000-mapping.dmp
        • memory/1804-161-0x0000000000400000-0x0000000000731000-memory.dmp
          Filesize

          3.2MB

        • memory/1804-155-0x0000000000000000-mapping.dmp
        • memory/1804-159-0x0000000000400000-0x0000000000731000-memory.dmp
          Filesize

          3.2MB

        • memory/1804-156-0x0000000000400000-0x0000000000731000-memory.dmp
          Filesize

          3.2MB

        • memory/1804-176-0x0000000000400000-0x0000000000731000-memory.dmp
          Filesize

          3.2MB

        • memory/2108-166-0x00000000047D0000-0x00000000047EE000-memory.dmp
          Filesize

          120KB

        • memory/2108-165-0x0000000073310000-0x000000007335C000-memory.dmp
          Filesize

          304KB

        • memory/2108-149-0x0000000000000000-mapping.dmp
        • memory/2108-173-0x0000000006E40000-0x0000000006E4E000-memory.dmp
          Filesize

          56KB

        • memory/2108-174-0x0000000007050000-0x000000000706A000-memory.dmp
          Filesize

          104KB

        • memory/2108-175-0x0000000007030000-0x0000000007038000-memory.dmp
          Filesize

          32KB

        • memory/2108-169-0x00000000070D0000-0x0000000007166000-memory.dmp
          Filesize

          600KB

        • memory/2108-167-0x0000000006E90000-0x0000000006E9A000-memory.dmp
          Filesize

          40KB

        • memory/2108-164-0x0000000006B40000-0x0000000006B72000-memory.dmp
          Filesize

          200KB

        • memory/2176-163-0x0000000000000000-mapping.dmp
        • memory/2324-153-0x0000000000000000-mapping.dmp
        • memory/2364-148-0x0000000000000000-mapping.dmp
        • memory/2720-172-0x0000000000000000-mapping.dmp
        • memory/3960-145-0x0000000004C00000-0x0000000004C1E000-memory.dmp
          Filesize

          120KB

        • memory/3960-141-0x0000000002870000-0x00000000028A6000-memory.dmp
          Filesize

          216KB

        • memory/3960-142-0x0000000005100000-0x0000000005728000-memory.dmp
          Filesize

          6.2MB

        • memory/3960-140-0x0000000000000000-mapping.dmp
        • memory/3960-143-0x00000000057A0000-0x0000000005806000-memory.dmp
          Filesize

          408KB

        • memory/3960-144-0x0000000005880000-0x00000000058E6000-memory.dmp
          Filesize

          408KB

        • memory/3960-146-0x00000000076E0000-0x0000000007D5A000-memory.dmp
          Filesize

          6.5MB

        • memory/3960-147-0x0000000006360000-0x000000000637A000-memory.dmp
          Filesize

          104KB

        • memory/4256-170-0x0000000000000000-mapping.dmp
        • memory/4336-171-0x0000000000000000-mapping.dmp
        • memory/4724-132-0x0000000000000000-mapping.dmp
        • memory/5028-151-0x0000000000000000-mapping.dmp