Analysis

  • max time kernel
    136s
  • max time network
    144s
  • 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 00:47

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 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 64 IoCs
  • Suspicious use of WriteProcessMemory 38 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:4660
    • 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:2272
      • 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:4940
        • 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:1648
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2524
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2228
        • 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:1416
          • C:\Windows\SysWOW64\Wbem\wmic.exe
            wmic os get Caption
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:5100
          • C:\Windows\SysWOW64\cmd.exe
            cmd /C "wmic path win32_VideoController get name"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:4836
            • C:\Windows\SysWOW64\Wbem\WMIC.exe
              wmic path win32_VideoController get name
              6⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:1660
          • C:\Windows\SysWOW64\cmd.exe
            cmd /C "wmic cpu get name"
            5⤵
              PID:4700
              • C:\Windows\SysWOW64\Wbem\WMIC.exe
                wmic cpu get name
                6⤵
                  PID:4664

      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

        d578e4999d4a195cff035893c8869268

        SHA1

        3c2123a390b2fd02d317d2d0e9c3a1d5bba021aa

        SHA256

        0bbcd5088e73963d05be91006cf9cb243ab0d005809bcdb35b6137f514891886

        SHA512

        d3cf54b24ce530a3abb93cb772940129c97ceb3c314e90ea94387e219d719355f0dd1e34dd5f6ce466e9eb9ce874359e22389995426f558d780216d4ef086144

      • 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

        263.3MB

        MD5

        3f23278f7bf62be3aab0c89f43e68111

        SHA1

        a57c261691b35a1e1d30fea3a610ccff89ce379a

        SHA256

        6eb07ba8e72e1866838418ad071a4d6d651c7c0158e2cbb84cad916db8e8ef89

        SHA512

        dd2d08dcc51c96b0b585fe9ea1fb289468f6a1b83cd7b76d8a13fe164236e3462c11fbf0cd8c6f9f13549e2f60ba89bc837031ad98b3ba48546caa03a3aa284c

      • memory/1416-155-0x0000000000400000-0x0000000000731000-memory.dmp

        Filesize

        3.2MB

      • memory/1416-157-0x0000000000400000-0x0000000000731000-memory.dmp

        Filesize

        3.2MB

      • memory/1416-172-0x0000000000400000-0x0000000000731000-memory.dmp

        Filesize

        3.2MB

      • memory/1416-152-0x0000000000400000-0x0000000000731000-memory.dmp

        Filesize

        3.2MB

      • memory/1416-151-0x0000000000000000-mapping.dmp

      • memory/1648-142-0x00000000059E0000-0x0000000006008000-memory.dmp

        Filesize

        6.2MB

      • memory/1648-141-0x0000000005370000-0x00000000053A6000-memory.dmp

        Filesize

        216KB

      • memory/1648-147-0x0000000006DE0000-0x0000000006DFA000-memory.dmp

        Filesize

        104KB

      • memory/1648-146-0x0000000007F40000-0x00000000085BA000-memory.dmp

        Filesize

        6.5MB

      • memory/1648-140-0x0000000000000000-mapping.dmp

      • memory/1648-145-0x00000000068D0000-0x00000000068EE000-memory.dmp

        Filesize

        120KB

      • memory/1648-144-0x00000000062E0000-0x0000000006346000-memory.dmp

        Filesize

        408KB

      • memory/1648-143-0x0000000006200000-0x0000000006266000-memory.dmp

        Filesize

        408KB

      • memory/1660-165-0x0000000000000000-mapping.dmp

      • memory/2228-149-0x0000000000000000-mapping.dmp

      • memory/2228-171-0x00000000077D0000-0x00000000077D8000-memory.dmp

        Filesize

        32KB

      • memory/2228-170-0x00000000077F0000-0x000000000780A000-memory.dmp

        Filesize

        104KB

      • memory/2228-169-0x0000000005DB0000-0x0000000005DBE000-memory.dmp

        Filesize

        56KB

      • memory/2228-160-0x00000000074A0000-0x00000000074D2000-memory.dmp

        Filesize

        200KB

      • memory/2228-161-0x0000000071A10000-0x0000000071A5C000-memory.dmp

        Filesize

        304KB

      • memory/2228-162-0x0000000006870000-0x000000000688E000-memory.dmp

        Filesize

        120KB

      • memory/2228-163-0x0000000007650000-0x000000000765A000-memory.dmp

        Filesize

        40KB

      • memory/2228-166-0x0000000007890000-0x0000000007926000-memory.dmp

        Filesize

        600KB

      • memory/2272-132-0x0000000000000000-mapping.dmp

      • memory/2524-148-0x0000000000000000-mapping.dmp

      • memory/4664-168-0x0000000000000000-mapping.dmp

      • memory/4700-167-0x0000000000000000-mapping.dmp

      • memory/4836-164-0x0000000000000000-mapping.dmp

      • memory/4940-135-0x0000000000000000-mapping.dmp

      • memory/4940-138-0x0000000000EA0000-0x0000000001614000-memory.dmp

        Filesize

        7.5MB

      • memory/4940-139-0x0000000007420000-0x0000000007442000-memory.dmp

        Filesize

        136KB

      • memory/5100-159-0x0000000000000000-mapping.dmp