Analysis

  • max time kernel
    135s
  • max time network
    154s
  • 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 07:26

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 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:1952
    • 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:3084
      • 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:4124
        • 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:2272
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4848
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1724
        • 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:2604
          • C:\Windows\SysWOW64\Wbem\wmic.exe
            wmic os get Caption
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4632
          • C:\Windows\SysWOW64\cmd.exe
            cmd /C "wmic path win32_VideoController get name"
            5⤵
              PID:2496
              • C:\Windows\SysWOW64\Wbem\WMIC.exe
                wmic path win32_VideoController get name
                6⤵
                  PID:2276
              • C:\Windows\SysWOW64\cmd.exe
                cmd /C "wmic cpu get name"
                5⤵
                  PID:3184
                  • C:\Windows\SysWOW64\Wbem\WMIC.exe
                    wmic cpu get name
                    6⤵
                      PID:3956

          Network

          MITRE ATT&CK Enterprise v6

          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

            adb3822ba0cb19812dfe46599ffe38f3

            SHA1

            cc5256ab314a188c697de43c4d54f1e6766e85d2

            SHA256

            4eff028852d2220054a4a68bf8212fd4a5c62b4aff58c4ccef214d336117123d

            SHA512

            c7cb7a65900ae34c0f5fd2c51b3a6d45dfc925a5054350311322452e98a11a05426d504becb0fb9f98e0ecfb0ae14dcd40ef8850881f358cd912d2e7a51cb8cb

          • 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

            286.0MB

            MD5

            955eaffba34f7b84bf76bfa8382ab2ee

            SHA1

            b476f85da3699b115139177914ab6caa38a4991e

            SHA256

            5e0952392de64dd765ad083ddd0ee19baf3e26f4563b1ef7eee835a6b36b5a5f

            SHA512

            332c02f6164f0eae99da1fd9113eacb621ad99014549f703d37ca3673c1d135c889f5c798e2b252a89c1479780aa539e941ab3b8d8572c18e9a46329c48db463

          • memory/1724-165-0x00000000076D0000-0x0000000007766000-memory.dmp

            Filesize

            600KB

          • memory/1724-163-0x0000000007480000-0x000000000748A000-memory.dmp

            Filesize

            40KB

          • memory/1724-162-0x00000000066A0000-0x00000000066BE000-memory.dmp

            Filesize

            120KB

          • memory/1724-161-0x0000000073EB0000-0x0000000073EFC000-memory.dmp

            Filesize

            304KB

          • memory/1724-160-0x00000000066E0000-0x0000000006712000-memory.dmp

            Filesize

            200KB

          • memory/1724-149-0x0000000000000000-mapping.dmp

          • memory/1724-169-0x0000000005F50000-0x0000000005F5E000-memory.dmp

            Filesize

            56KB

          • memory/1724-170-0x0000000007630000-0x000000000764A000-memory.dmp

            Filesize

            104KB

          • memory/1724-171-0x0000000007610000-0x0000000007618000-memory.dmp

            Filesize

            32KB

          • memory/2272-142-0x0000000005020000-0x0000000005648000-memory.dmp

            Filesize

            6.2MB

          • memory/2272-145-0x0000000005A30000-0x0000000005A4E000-memory.dmp

            Filesize

            120KB

          • memory/2272-140-0x0000000000000000-mapping.dmp

          • memory/2272-141-0x0000000002130000-0x0000000002166000-memory.dmp

            Filesize

            216KB

          • memory/2272-147-0x0000000005E70000-0x0000000005E8A000-memory.dmp

            Filesize

            104KB

          • memory/2272-143-0x0000000004B60000-0x0000000004BC6000-memory.dmp

            Filesize

            408KB

          • memory/2272-144-0x0000000004CC0000-0x0000000004D26000-memory.dmp

            Filesize

            408KB

          • memory/2272-146-0x0000000007160000-0x00000000077DA000-memory.dmp

            Filesize

            6.5MB

          • memory/2276-166-0x0000000000000000-mapping.dmp

          • memory/2496-164-0x0000000000000000-mapping.dmp

          • memory/2604-151-0x0000000000000000-mapping.dmp

          • memory/2604-156-0x0000000000400000-0x0000000000731000-memory.dmp

            Filesize

            3.2MB

          • memory/2604-155-0x0000000000400000-0x0000000000731000-memory.dmp

            Filesize

            3.2MB

          • memory/2604-172-0x0000000000400000-0x0000000000731000-memory.dmp

            Filesize

            3.2MB

          • memory/2604-152-0x0000000000400000-0x0000000000731000-memory.dmp

            Filesize

            3.2MB

          • memory/3084-132-0x0000000000000000-mapping.dmp

          • memory/3184-167-0x0000000000000000-mapping.dmp

          • memory/3956-168-0x0000000000000000-mapping.dmp

          • memory/4124-139-0x00000000071D0000-0x00000000071F2000-memory.dmp

            Filesize

            136KB

          • memory/4124-138-0x0000000000B10000-0x0000000001284000-memory.dmp

            Filesize

            7.5MB

          • memory/4124-135-0x0000000000000000-mapping.dmp

          • memory/4632-159-0x0000000000000000-mapping.dmp

          • memory/4848-148-0x0000000000000000-mapping.dmp