Analysis

  • max time kernel
    141s
  • max time network
    149s
  • 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 01:21

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:4308
    • 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:3660
      • 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:1464
        • 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:320
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2884
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4560
        • 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:3320
          • C:\Windows\SysWOW64\Wbem\wmic.exe
            wmic os get Caption
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4784
          • C:\Windows\SysWOW64\cmd.exe
            cmd /C "wmic path win32_VideoController get name"
            5⤵
              PID:2308
              • C:\Windows\SysWOW64\Wbem\WMIC.exe
                wmic path win32_VideoController get name
                6⤵
                  PID:4836
              • C:\Windows\SysWOW64\cmd.exe
                cmd /C "wmic cpu get name"
                5⤵
                  PID:2392
                  • C:\Windows\SysWOW64\Wbem\WMIC.exe
                    wmic cpu get name
                    6⤵
                      PID:4072

          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

            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

            7b53011dc1ba25526a924304f0ef08a2

            SHA1

            571fba3a375f14f1fe6ede00caad9993923a8cf2

            SHA256

            fa254464dcd3fbe7c0a2ab536e1e7b8ab1be7600247c09b9ee603cbf2b45a956

            SHA512

            73c6ffa51908e22d48107aa67d069221c5057d64d7623ec8b4565623def7e9dbedf943023a872b479429d67b29856a00f126b1d07f58f8afe2edf8a2287b8559

          • 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

            214.2MB

            MD5

            244da92ae7a6a33b9f52ea4aee7a6e3b

            SHA1

            e6fc5940a0abc1ae34edd7c4c2b7b381fd7a36b9

            SHA256

            9339ef4b7eb9bc724eb85a2b9bc90ea20f5dd367accdf594173bd8ed8278154c

            SHA512

            8d727b307ea320582d358e53df4fc93a8e706eb692996b9d5096080c727b624fe2d31e8f336826d5ab898574ff75edf1a3fcaee350001f2c420aed5955962e01

          • memory/320-142-0x0000000004CD0000-0x00000000052F8000-memory.dmp

            Filesize

            6.2MB

          • memory/320-147-0x0000000006050000-0x000000000606A000-memory.dmp

            Filesize

            104KB

          • memory/320-143-0x0000000005480000-0x00000000054E6000-memory.dmp

            Filesize

            408KB

          • memory/320-144-0x0000000005560000-0x00000000055C6000-memory.dmp

            Filesize

            408KB

          • memory/320-145-0x00000000048F0000-0x000000000490E000-memory.dmp

            Filesize

            120KB

          • memory/320-146-0x0000000007270000-0x00000000078EA000-memory.dmp

            Filesize

            6.5MB

          • memory/320-141-0x00000000045B0000-0x00000000045E6000-memory.dmp

            Filesize

            216KB

          • memory/1464-139-0x0000000006760000-0x0000000006782000-memory.dmp

            Filesize

            136KB

          • memory/1464-138-0x0000000000060000-0x00000000007D4000-memory.dmp

            Filesize

            7.5MB

          • memory/3320-152-0x0000000000400000-0x0000000000731000-memory.dmp

            Filesize

            3.2MB

          • memory/3320-158-0x0000000000400000-0x0000000000731000-memory.dmp

            Filesize

            3.2MB

          • memory/3320-172-0x0000000000400000-0x0000000000731000-memory.dmp

            Filesize

            3.2MB

          • memory/3320-155-0x0000000000400000-0x0000000000731000-memory.dmp

            Filesize

            3.2MB

          • memory/4560-162-0x0000000004CD0000-0x0000000004CEE000-memory.dmp

            Filesize

            120KB

          • memory/4560-163-0x00000000073B0000-0x00000000073BA000-memory.dmp

            Filesize

            40KB

          • memory/4560-161-0x0000000070A70000-0x0000000070ABC000-memory.dmp

            Filesize

            304KB

          • memory/4560-165-0x00000000075F0000-0x0000000007686000-memory.dmp

            Filesize

            600KB

          • memory/4560-169-0x0000000005E80000-0x0000000005E8E000-memory.dmp

            Filesize

            56KB

          • memory/4560-170-0x0000000007550000-0x000000000756A000-memory.dmp

            Filesize

            104KB

          • memory/4560-171-0x0000000007530000-0x0000000007538000-memory.dmp

            Filesize

            32KB

          • memory/4560-159-0x00000000065D0000-0x0000000006602000-memory.dmp

            Filesize

            200KB