Analysis

  • max time kernel
    94s
  • max time network
    147s
  • 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 01:11

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 5 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 44 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:3568
    • 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:5088
      • 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 behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3896
        • 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:3688
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1936
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2256
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:4988
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:3664
        • 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:4472
          • C:\Windows\SysWOW64\Wbem\wmic.exe
            wmic os get Caption
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:3408
          • C:\Windows\SysWOW64\cmd.exe
            cmd /C "wmic path win32_VideoController get name"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:3864
            • C:\Windows\SysWOW64\Wbem\WMIC.exe
              wmic path win32_VideoController get name
              6⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:624
          • C:\Windows\SysWOW64\cmd.exe
            cmd /C "wmic cpu get name"
            5⤵
              PID:4204
              • C:\Windows\SysWOW64\Wbem\WMIC.exe
                wmic cpu get name
                6⤵
                  PID:5116

      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

        2981ad71f82c1c1a5ade5d17e4fa6daa

        SHA1

        d9b9d1e3c9338e515c7cf99db13e90f0d4aa5f03

        SHA256

        bf468d11da4d57cd701bb41cd0da6bdced457e2872d1b28cd7cc93cd61c89550

        SHA512

        8f6ff8826700b8f1d2e5c35f62a3ac85bd863442f1ebf95a61b68b806fda709eb299e4113991a6f188d5e5858b0205796a145e7179591c1ab33fb39c47b8fcea

      • 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

        338.0MB

        MD5

        3f74a50f573e1423cf2beec4bd9ca6da

        SHA1

        83d83aed530a7bd8651996ff5d2c739cd214d842

        SHA256

        fd874f4c1948d69ee9d78555b689bde7df2a31883913644670cc57c36fef26d4

        SHA512

        28317a0360ec18f4aa8fb9374e7347b0edfacb6ddc5b0e8feae46db5175fe66054fd8aca1a6539020a6aa3fc5ae2d3a9863e3fbde33fcc672167a21edde63458

      • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
        Filesize

        353.2MB

        MD5

        a3d9f3e2bab433bf69cf135c9ec70d18

        SHA1

        0858d6dd65ceb44e0fb61b91d2e2b667a498cc63

        SHA256

        748e07b9e8f0cea22b48ba54b293203d29e33fb691cbf9795ba8cc44de1cfd1c

        SHA512

        f1d607fd3d5cbe0f3a4c34ee705e07338a46eaf4b8dd65bfe4e345c4c9afe950217a6e54614241c815ce5e5ab533ff55b8ad0b4fe41ad2b14afaed6d84b6cb87

      • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
        Filesize

        365.7MB

        MD5

        87472ac683654c3708f2c3f746bef738

        SHA1

        e39073a07b9a3ec4c1f10b07dba95dd36a1572a8

        SHA256

        5c256172fa85b169ad54db96c329e5590217280b2c9d1cfb073f25cb43ff02a5

        SHA512

        12a7284263de625564b19cf8443bd4b004431a1ddadf49d7326c5059d683f4863e3038295f88486a9fd59159630c6b2dcbad923d0dcca4b123b4e18460407555

      • memory/624-169-0x0000000000000000-mapping.dmp
      • memory/1936-148-0x0000000000000000-mapping.dmp
      • memory/2256-166-0x00000000067C0000-0x00000000067DE000-memory.dmp
        Filesize

        120KB

      • memory/2256-175-0x00000000077A0000-0x00000000077A8000-memory.dmp
        Filesize

        32KB

      • memory/2256-174-0x00000000077C0000-0x00000000077DA000-memory.dmp
        Filesize

        104KB

      • memory/2256-173-0x0000000005D80000-0x0000000005D8E000-memory.dmp
        Filesize

        56KB

      • memory/2256-149-0x0000000000000000-mapping.dmp
      • memory/2256-170-0x0000000007860000-0x00000000078F6000-memory.dmp
        Filesize

        600KB

      • memory/2256-167-0x0000000007620000-0x000000000762A000-memory.dmp
        Filesize

        40KB

      • memory/2256-165-0x0000000073A50000-0x0000000073A9C000-memory.dmp
        Filesize

        304KB

      • memory/2256-164-0x0000000007280000-0x00000000072B2000-memory.dmp
        Filesize

        200KB

      • memory/3408-163-0x0000000000000000-mapping.dmp
      • memory/3664-153-0x0000000000000000-mapping.dmp
      • memory/3688-142-0x0000000005810000-0x0000000005E38000-memory.dmp
        Filesize

        6.2MB

      • memory/3688-145-0x0000000005240000-0x000000000525E000-memory.dmp
        Filesize

        120KB

      • memory/3688-140-0x0000000000000000-mapping.dmp
      • memory/3688-144-0x00000000056B0000-0x0000000005716000-memory.dmp
        Filesize

        408KB

      • memory/3688-147-0x00000000069E0000-0x00000000069FA000-memory.dmp
        Filesize

        104KB

      • memory/3688-143-0x0000000005640000-0x00000000056A6000-memory.dmp
        Filesize

        408KB

      • memory/3688-146-0x0000000007D00000-0x000000000837A000-memory.dmp
        Filesize

        6.5MB

      • memory/3688-141-0x0000000002B10000-0x0000000002B46000-memory.dmp
        Filesize

        216KB

      • memory/3864-168-0x0000000000000000-mapping.dmp
      • memory/3896-135-0x0000000000000000-mapping.dmp
      • memory/3896-138-0x0000000000B50000-0x00000000012C4000-memory.dmp
        Filesize

        7.5MB

      • memory/3896-139-0x0000000007110000-0x0000000007132000-memory.dmp
        Filesize

        136KB

      • memory/4204-171-0x0000000000000000-mapping.dmp
      • memory/4472-176-0x0000000000400000-0x0000000000731000-memory.dmp
        Filesize

        3.2MB

      • memory/4472-156-0x0000000000400000-0x0000000000731000-memory.dmp
        Filesize

        3.2MB

      • memory/4472-155-0x0000000000000000-mapping.dmp
      • memory/4472-161-0x0000000000400000-0x0000000000731000-memory.dmp
        Filesize

        3.2MB

      • memory/4472-160-0x0000000000400000-0x0000000000731000-memory.dmp
        Filesize

        3.2MB

      • memory/4988-151-0x0000000000000000-mapping.dmp
      • memory/5088-132-0x0000000000000000-mapping.dmp
      • memory/5116-172-0x0000000000000000-mapping.dmp