Analysis

  • max time kernel
    143s
  • max time network
    152s
  • 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 07:19

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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 26 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:2264
    • 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:4060
      • 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:1444
        • 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:5008
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3272
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2376
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:2512
          • C:\Windows\SysWOW64\Wbem\wmic.exe
            wmic os get Caption
            5⤵
              PID:3116
            • C:\Windows\SysWOW64\cmd.exe
              cmd /C "wmic path win32_VideoController get name"
              5⤵
                PID:3536
                • C:\Windows\SysWOW64\Wbem\WMIC.exe
                  wmic path win32_VideoController get name
                  6⤵
                    PID:1528
                • C:\Windows\SysWOW64\cmd.exe
                  cmd /C "wmic cpu get name"
                  5⤵
                    PID:3872
                    • C:\Windows\SysWOW64\Wbem\WMIC.exe
                      wmic cpu get name
                      6⤵
                        PID:3100

            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

              51d606d6161c5110143340f8e524dbda

              SHA1

              c7fec178390b8db165cf67b2546105e12ca16a76

              SHA256

              ecd858b9871b0568686dac5efe4e7a08c5c2249e788b0a312370add6d91a445e

              SHA512

              134269ab4f81ac93db88d4092e801afdf62c100e57e9cc095ef1e4a8233b300d8f1efc81ab7c40bfbc5983e0448c25ebf90f2da722cae0157c324ae042036a6e

            • 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

              6f4a18c34f1197eb2d8db243df6cdc2f

              SHA1

              1e591f01f6e17365d4232d23a26206ccd33d7770

              SHA256

              f479a5590d61c8cba8caba8e5b27ab296ef75efd3cfd42f18fb14b806b55a1d8

              SHA512

              30630464b8746b32184a62c0b845a00e0d00fff5b3d68af754adbf80fd9385ce6ebd54c25229503f1d0e8bb7621fed564544e2294183e58548e9e5b2ffe67ec0

            • 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

              84.5MB

              MD5

              ec98f190c80174d0859dd52b4c8b4d40

              SHA1

              f0b1234c9e7a464bd4106ee3ea2242970192c612

              SHA256

              0e4f57cb5aa018ec673ea25cefb22db9fb7c4b274fa539db8e1fd751ac045dec

              SHA512

              4dc3f5ada1d7ea98c31f5f3843c47790725609265d91f8be644d62790717aa20988f628d68191b89697fcae0d3a68b1819bd7a4b2eb5e9afd506672db160c413

            • memory/1444-138-0x0000000000570000-0x0000000000CE4000-memory.dmp
              Filesize

              7.5MB

            • memory/1444-139-0x0000000002FE0000-0x0000000003002000-memory.dmp
              Filesize

              136KB

            • memory/1444-135-0x0000000000000000-mapping.dmp
            • memory/1528-166-0x0000000000000000-mapping.dmp
            • memory/2376-169-0x0000000006290000-0x000000000629E000-memory.dmp
              Filesize

              56KB

            • memory/2376-160-0x0000000075300000-0x000000007534C000-memory.dmp
              Filesize

              304KB

            • memory/2376-164-0x0000000007A20000-0x0000000007AB6000-memory.dmp
              Filesize

              600KB

            • memory/2376-162-0x00000000077E0000-0x00000000077EA000-memory.dmp
              Filesize

              40KB

            • memory/2376-161-0x0000000006A20000-0x0000000006A3E000-memory.dmp
              Filesize

              120KB

            • memory/2376-149-0x0000000000000000-mapping.dmp
            • memory/2376-171-0x0000000007960000-0x0000000007968000-memory.dmp
              Filesize

              32KB

            • memory/2376-159-0x0000000006A40000-0x0000000006A72000-memory.dmp
              Filesize

              200KB

            • memory/2376-170-0x0000000007980000-0x000000000799A000-memory.dmp
              Filesize

              104KB

            • memory/2512-152-0x0000000000400000-0x0000000000731000-memory.dmp
              Filesize

              3.2MB

            • memory/2512-155-0x0000000000400000-0x0000000000731000-memory.dmp
              Filesize

              3.2MB

            • memory/2512-157-0x0000000000400000-0x0000000000731000-memory.dmp
              Filesize

              3.2MB

            • memory/2512-172-0x0000000000400000-0x0000000000731000-memory.dmp
              Filesize

              3.2MB

            • memory/2512-151-0x0000000000000000-mapping.dmp
            • memory/3100-168-0x0000000000000000-mapping.dmp
            • memory/3116-163-0x0000000000000000-mapping.dmp
            • memory/3272-148-0x0000000000000000-mapping.dmp
            • memory/3536-165-0x0000000000000000-mapping.dmp
            • memory/3872-167-0x0000000000000000-mapping.dmp
            • memory/4060-132-0x0000000000000000-mapping.dmp
            • memory/5008-147-0x00000000062C0000-0x00000000062DA000-memory.dmp
              Filesize

              104KB

            • memory/5008-146-0x00000000076E0000-0x0000000007D5A000-memory.dmp
              Filesize

              6.5MB

            • memory/5008-145-0x0000000004B60000-0x0000000004B7E000-memory.dmp
              Filesize

              120KB

            • memory/5008-144-0x0000000005980000-0x00000000059E6000-memory.dmp
              Filesize

              408KB

            • memory/5008-143-0x00000000056F0000-0x0000000005756000-memory.dmp
              Filesize

              408KB

            • memory/5008-142-0x0000000004FE0000-0x0000000005608000-memory.dmp
              Filesize

              6.2MB

            • memory/5008-141-0x0000000002810000-0x0000000002846000-memory.dmp
              Filesize

              216KB

            • memory/5008-140-0x0000000000000000-mapping.dmp