Analysis

  • max time kernel
    138s
  • max time network
    150s
  • 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 13:20

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 3 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 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:2548
    • 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:4292
      • 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 use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4936
        • 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:2436
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:5052
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:484
        • 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:4680
          • C:\Windows\SysWOW64\Wbem\wmic.exe
            wmic os get Caption
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1320
          • C:\Windows\SysWOW64\cmd.exe
            cmd /C "wmic path win32_VideoController get name"
            5⤵
              PID:3132
              • C:\Windows\SysWOW64\Wbem\WMIC.exe
                wmic path win32_VideoController get name
                6⤵
                  PID:2148
              • C:\Windows\SysWOW64\cmd.exe
                cmd /C "wmic cpu get name"
                5⤵
                  PID:2708
                  • C:\Windows\SysWOW64\Wbem\WMIC.exe
                    wmic cpu get name
                    6⤵
                      PID:4588

          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

            bf2f7cbf297b9c20f7fc4ff2c9760181

            SHA1

            edd1d898fc989c9090beabc58c199f95ff4bfccc

            SHA256

            19cb806ea8d723bf9201c53f55ea9a33292c90f013d5a1e407ba7aeea3b49686

            SHA512

            7d7bd4009a4d59ba2e0f2f53e05d9ce917bedf9a8383dc9cf75394136c5a8af4ff4f8c3263baec69b18645702c54e30b98b3ef36064639272cd21afeaba185ff

          • 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

            180.7MB

            MD5

            cbe81492e3b5d2ee2f10caa0c3a1ec6e

            SHA1

            e0feaf8dfda07c5252e76c24b7d81f5275a68d46

            SHA256

            dadcd069326c4e2a5b187ddbd7865e7abc609d799e11843f30e85d5e66901403

            SHA512

            7b45e2f5b8c38d9605003ee8cd3e0646e3ef1825813c1308660dccf6af20e988c4fad0ce5af75217f228d33d2cc3d61f4b7d306484aaf772798168aaa907c73c

          • memory/484-166-0x0000000007840000-0x00000000078D6000-memory.dmp
            Filesize

            600KB

          • memory/484-163-0x0000000007600000-0x000000000760A000-memory.dmp
            Filesize

            40KB

          • memory/484-162-0x0000000006820000-0x000000000683E000-memory.dmp
            Filesize

            120KB

          • memory/484-161-0x00000000737B0000-0x00000000737FC000-memory.dmp
            Filesize

            304KB

          • memory/484-160-0x0000000006860000-0x0000000006892000-memory.dmp
            Filesize

            200KB

          • memory/484-169-0x00000000060D0000-0x00000000060DE000-memory.dmp
            Filesize

            56KB

          • memory/484-170-0x00000000077C0000-0x00000000077DA000-memory.dmp
            Filesize

            104KB

          • memory/484-149-0x0000000000000000-mapping.dmp
          • memory/484-171-0x00000000077A0000-0x00000000077A8000-memory.dmp
            Filesize

            32KB

          • memory/1320-158-0x0000000000000000-mapping.dmp
          • memory/2148-165-0x0000000000000000-mapping.dmp
          • memory/2436-142-0x0000000005420000-0x0000000005A48000-memory.dmp
            Filesize

            6.2MB

          • memory/2436-143-0x0000000005B20000-0x0000000005B86000-memory.dmp
            Filesize

            408KB

          • memory/2436-140-0x0000000000000000-mapping.dmp
          • memory/2436-141-0x0000000002910000-0x0000000002946000-memory.dmp
            Filesize

            216KB

          • memory/2436-147-0x00000000065F0000-0x000000000660A000-memory.dmp
            Filesize

            104KB

          • memory/2436-146-0x0000000007A80000-0x00000000080FA000-memory.dmp
            Filesize

            6.5MB

          • memory/2436-145-0x0000000006190000-0x00000000061AE000-memory.dmp
            Filesize

            120KB

          • memory/2436-144-0x0000000005B90000-0x0000000005BF6000-memory.dmp
            Filesize

            408KB

          • memory/2708-167-0x0000000000000000-mapping.dmp
          • memory/3132-164-0x0000000000000000-mapping.dmp
          • memory/4292-132-0x0000000000000000-mapping.dmp
          • memory/4588-168-0x0000000000000000-mapping.dmp
          • memory/4680-152-0x0000000000400000-0x0000000000731000-memory.dmp
            Filesize

            3.2MB

          • memory/4680-157-0x0000000000400000-0x0000000000731000-memory.dmp
            Filesize

            3.2MB

          • memory/4680-155-0x0000000000400000-0x0000000000731000-memory.dmp
            Filesize

            3.2MB

          • memory/4680-151-0x0000000000000000-mapping.dmp
          • memory/4680-172-0x0000000000400000-0x0000000000731000-memory.dmp
            Filesize

            3.2MB

          • memory/4936-139-0x0000000007600000-0x0000000007622000-memory.dmp
            Filesize

            136KB

          • memory/4936-138-0x0000000000F40000-0x00000000016B4000-memory.dmp
            Filesize

            7.5MB

          • memory/4936-135-0x0000000000000000-mapping.dmp
          • memory/5052-148-0x0000000000000000-mapping.dmp