Analysis

  • max time kernel
    136s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-02-2023 13:26

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 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:3044
    • 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:1116
      • 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:1520
        • 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:3408
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2096
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4024
        • 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:972
          • C:\Windows\SysWOW64\Wbem\wmic.exe
            wmic os get Caption
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1824
          • C:\Windows\SysWOW64\cmd.exe
            cmd /C "wmic path win32_VideoController get name"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:3140
            • C:\Windows\SysWOW64\Wbem\WMIC.exe
              wmic path win32_VideoController get name
              6⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:3652
          • C:\Windows\SysWOW64\cmd.exe
            cmd /C "wmic cpu get name"
            5⤵
              PID:4484
              • C:\Windows\SysWOW64\Wbem\WMIC.exe
                wmic cpu get name
                6⤵
                  PID:3324

      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

        6195a91754effb4df74dbc72cdf4f7a6

        SHA1

        aba262f5726c6d77659fe0d3195e36a85046b427

        SHA256

        3254495a5513b37a2686a876d0040275414699e7ce760e7b5ee05e41a54b96f5

        SHA512

        ed723d15de267390dc93263538428e2c881be3494c996a810616b470d6df7d5acfcc8725687d5c50319ebef45caef44f769bfc32e0dc3abd249dacff4a12cc89

      • 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

        98c20d2300f2c23d286d322c3fa36f16

        SHA1

        1b0c3011660d9ffa4012dfaf76897c7810353898

        SHA256

        f9e88987e7933aff48a5a72382dcb70875e207d587e69aba40a44af5ac4bc147

        SHA512

        f366fbabf8fd250b6cf7a95f26552d046d01bac693c218b99ade0dcefb97962f86d5d4dd6dd241d3d8ab1dcb278590ddd893ebb0e6ee0d746aab5e8f3f48a9d8

      • 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

        242.0MB

        MD5

        e2b04059ec1f9af389790512f6d61674

        SHA1

        41e843a820d7afa5665d2effaf8c8cbe341a72e0

        SHA256

        c2a2399725d50f1ae447ebac131cf80c6fc8df1d6220f472a09bb947fb9cda3e

        SHA512

        027768ba7ecede5cb8f313f6598f1f60b1dab306741141995e5c9b13c9a8ebb303c7984c9d7e8797d404fab4976a364f98d59866d63e1102a0dc1f7873b9ceec

      • memory/972-157-0x0000000000400000-0x0000000000731000-memory.dmp
        Filesize

        3.2MB

      • memory/972-172-0x0000000000400000-0x0000000000731000-memory.dmp
        Filesize

        3.2MB

      • memory/972-152-0x0000000000400000-0x0000000000731000-memory.dmp
        Filesize

        3.2MB

      • memory/972-151-0x0000000000000000-mapping.dmp
      • memory/972-155-0x0000000000400000-0x0000000000731000-memory.dmp
        Filesize

        3.2MB

      • memory/1116-132-0x0000000000000000-mapping.dmp
      • memory/1520-138-0x0000000000540000-0x0000000000CB4000-memory.dmp
        Filesize

        7.5MB

      • memory/1520-139-0x0000000006C00000-0x0000000006C22000-memory.dmp
        Filesize

        136KB

      • memory/1520-135-0x0000000000000000-mapping.dmp
      • memory/1824-159-0x0000000000000000-mapping.dmp
      • memory/2096-148-0x0000000000000000-mapping.dmp
      • memory/3140-164-0x0000000000000000-mapping.dmp
      • memory/3324-168-0x0000000000000000-mapping.dmp
      • memory/3408-142-0x0000000005030000-0x0000000005658000-memory.dmp
        Filesize

        6.2MB

      • memory/3408-143-0x00000000057D0000-0x0000000005836000-memory.dmp
        Filesize

        408KB

      • memory/3408-147-0x00000000063B0000-0x00000000063CA000-memory.dmp
        Filesize

        104KB

      • memory/3408-146-0x00000000074D0000-0x0000000007B4A000-memory.dmp
        Filesize

        6.5MB

      • memory/3408-145-0x0000000005E40000-0x0000000005E5E000-memory.dmp
        Filesize

        120KB

      • memory/3408-144-0x0000000005840000-0x00000000058A6000-memory.dmp
        Filesize

        408KB

      • memory/3408-140-0x0000000000000000-mapping.dmp
      • memory/3408-141-0x00000000048C0000-0x00000000048F6000-memory.dmp
        Filesize

        216KB

      • memory/3652-165-0x0000000000000000-mapping.dmp
      • memory/4024-163-0x0000000007290000-0x000000000729A000-memory.dmp
        Filesize

        40KB

      • memory/4024-149-0x0000000000000000-mapping.dmp
      • memory/4024-162-0x0000000006480000-0x000000000649E000-memory.dmp
        Filesize

        120KB

      • memory/4024-166-0x00000000074C0000-0x0000000007556000-memory.dmp
        Filesize

        600KB

      • memory/4024-161-0x00000000752A0000-0x00000000752EC000-memory.dmp
        Filesize

        304KB

      • memory/4024-169-0x0000000005D40000-0x0000000005D4E000-memory.dmp
        Filesize

        56KB

      • memory/4024-170-0x0000000007420000-0x000000000743A000-memory.dmp
        Filesize

        104KB

      • memory/4024-171-0x0000000007400000-0x0000000007408000-memory.dmp
        Filesize

        32KB

      • memory/4024-160-0x00000000064A0000-0x00000000064D2000-memory.dmp
        Filesize

        200KB

      • memory/4484-167-0x0000000000000000-mapping.dmp