Analysis

  • max time kernel
    57s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-02-2023 06:47

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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of WriteProcessMemory 32 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:5068
    • 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:2308
      • 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:2740
        • 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:2180
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3548
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:3868
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:1212
        • 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:3684
          • C:\Windows\SysWOW64\Wbem\wmic.exe
            wmic os get Caption
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1892
          • C:\Windows\SysWOW64\cmd.exe
            cmd /C "wmic path win32_VideoController get name"
            5⤵
              PID:1588
              • C:\Windows\SysWOW64\Wbem\WMIC.exe
                wmic path win32_VideoController get name
                6⤵
                  PID:4668
              • C:\Windows\SysWOW64\cmd.exe
                cmd /C "wmic cpu get name"
                5⤵
                  PID:3368
                  • C:\Windows\SysWOW64\Wbem\WMIC.exe
                    wmic cpu get name
                    6⤵
                      PID:4652

          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

            78e232ee82d18a1cdb9de2b92dafa2f9

            SHA1

            af09f460ce332cb37ed68882749cbd1a9be7eddd

            SHA256

            200eb5ca5006ec44e36ed2efe0d556ae9997b79a361a9c8fae1f7eb2a4e40f82

            SHA512

            6807f644abac30ab645eec3cc3fdf1f9fd31f57348f1d0b8e6b3e935067d7edb706f0cff39c60dfcd52272859618014dd308f08ba31b18025c42114036a21730

          • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\voiceadequovl.exe
            Filesize

            171.2MB

            MD5

            4c453d466798307341c8ac4b9cc49d7e

            SHA1

            f54503d717b38f607c5b7d478e897cc1a94b6d01

            SHA256

            2d49bea739f40b1f5bfe60848e32e738a1adc18e55ec32c77b49b2ad57a9683d

            SHA512

            584b6e400bef2f5ee03d71f2455200335cafcbe3735a4902067007052050fc02fecf9b982aaec08ec94104c6bd8f96757c9ee276f287e2c0bf54e6a5bf269aad

          • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\voiceadequovl.exe
            Filesize

            150.2MB

            MD5

            94f86dcb00491c072cee0eebb6c77b04

            SHA1

            b7f4c91f178586faee7c13d796f0368637d45c3c

            SHA256

            b0572a4ba5b38558eb5eaa9ca916f8cb2c66dcc6b248d9dd39bd661295958063

            SHA512

            950e723b210145b81a482c3969ee34021107a7a483bc657d4ffe252f52c3b5959cbd09b37fe13d8be2a9bc289fd40e7f3c59f05ea1113023c7e3c585f0cb7f0f

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

            127.0MB

            MD5

            613eac2ca6ba5dd0d0c5cd43dc3eb2b8

            SHA1

            4d7b397576bc5b24def95a90065ff7f3a5b3034c

            SHA256

            c7a0bd6ae6367b4ccd3888bcd0870465dac979e0f6e446176192cd2fca93f127

            SHA512

            b17b04adb44a94003981ce677352000db4b51ccfe722f8afbfa21634f2ed243bb9ff211c4ad0cf3b2e9fa331275469edf57a3ab1243b2ff0f404ff8ac9786cd5

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

            123.5MB

            MD5

            da4e5319ab6d84f43e6db2e2305b6c1f

            SHA1

            29b128f81ae15c14367629bb604cb767a331e960

            SHA256

            fdbf050c1f2af0e7780e23241cf32ef556e96686f93c3143379d4584d1104dc6

            SHA512

            6d19008c9f2fe107f5dea691ffd27a7d31e280bc1bc27ed0f04c8a9102d141139807a116861ab97f014be864b9d411b9ed02ed7eaeaae879a5dbc3d2135fd93e

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

            65.3MB

            MD5

            b8ea11f52871173fcbcd83a356c4e8cc

            SHA1

            8e2c444bd498e7fea84436c9e1604ce9edd3d0cb

            SHA256

            e453a9f7f32b05f513189afb264713a5e58af02c82ac0187f7797d770544c0d2

            SHA512

            9d84aa1b897957761055f6a2fa4672f10fd45ff683bb882abdb21b10b5870c90c5edff26d0cb204877d988190e200203d1b9390a4bf314c4c00dc5d18eedec48

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

            64.0MB

            MD5

            875f16616a940097dddcf2bdf104e659

            SHA1

            3c6f16ae479d2b8497233645bc188dc46fc39ce7

            SHA256

            0529892c0c5f4414687217a5df7f9cd24a28c63e5733479553de6e2267cb1d8c

            SHA512

            8a3ba7cf6c958cb65e29ba52f89fda046898f7bbb4a9f13030e2a491de4bb7494fe480cf2c6cc0e8f392e6a30de20c7eded87811066dd57b8238561e88543c4c

          • memory/1212-151-0x0000000000000000-mapping.dmp
          • memory/1588-167-0x0000000000000000-mapping.dmp
          • memory/1892-164-0x0000000000000000-mapping.dmp
          • memory/2180-142-0x0000000005710000-0x0000000005D38000-memory.dmp
            Filesize

            6.2MB

          • memory/2180-141-0x00000000050A0000-0x00000000050D6000-memory.dmp
            Filesize

            216KB

          • memory/2180-147-0x0000000006B60000-0x0000000006B7A000-memory.dmp
            Filesize

            104KB

          • memory/2180-146-0x0000000007CA0000-0x000000000831A000-memory.dmp
            Filesize

            6.5MB

          • memory/2180-145-0x0000000006660000-0x000000000667E000-memory.dmp
            Filesize

            120KB

          • memory/2180-140-0x0000000000000000-mapping.dmp
          • memory/2180-144-0x0000000006010000-0x0000000006076000-memory.dmp
            Filesize

            408KB

          • memory/2180-143-0x0000000005EF0000-0x0000000005F56000-memory.dmp
            Filesize

            408KB

          • memory/2308-132-0x0000000000000000-mapping.dmp
          • memory/2740-139-0x0000000007120000-0x0000000007142000-memory.dmp
            Filesize

            136KB

          • memory/2740-138-0x0000000000A60000-0x00000000011D4000-memory.dmp
            Filesize

            7.5MB

          • memory/2740-135-0x0000000000000000-mapping.dmp
          • memory/3368-169-0x0000000000000000-mapping.dmp
          • memory/3548-148-0x0000000000000000-mapping.dmp
          • memory/3684-153-0x0000000000000000-mapping.dmp
          • memory/3684-157-0x0000000000400000-0x0000000000731000-memory.dmp
            Filesize

            3.2MB

          • memory/3684-174-0x0000000000400000-0x0000000000731000-memory.dmp
            Filesize

            3.2MB

          • memory/3684-159-0x0000000000400000-0x0000000000731000-memory.dmp
            Filesize

            3.2MB

          • memory/3684-154-0x0000000000400000-0x0000000000731000-memory.dmp
            Filesize

            3.2MB

          • memory/3868-165-0x0000000007080000-0x000000000708A000-memory.dmp
            Filesize

            40KB

          • memory/3868-163-0x0000000006280000-0x000000000629E000-memory.dmp
            Filesize

            120KB

          • memory/3868-166-0x00000000072C0000-0x0000000007356000-memory.dmp
            Filesize

            600KB

          • memory/3868-162-0x0000000075010000-0x000000007505C000-memory.dmp
            Filesize

            304KB

          • memory/3868-161-0x00000000062A0000-0x00000000062D2000-memory.dmp
            Filesize

            200KB

          • memory/3868-171-0x0000000005B50000-0x0000000005B5E000-memory.dmp
            Filesize

            56KB

          • memory/3868-172-0x0000000007220000-0x000000000723A000-memory.dmp
            Filesize

            104KB

          • memory/3868-173-0x0000000007200000-0x0000000007208000-memory.dmp
            Filesize

            32KB

          • memory/3868-149-0x0000000000000000-mapping.dmp
          • memory/4652-170-0x0000000000000000-mapping.dmp
          • memory/4668-168-0x0000000000000000-mapping.dmp