Analysis

  • max time kernel
    134s
  • max time network
    142s
  • 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 07:23

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 29 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:4652
    • 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:2440
      • 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:2212
        • 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:2388
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2580
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:904
        • 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:4288
          • C:\Windows\SysWOW64\Wbem\wmic.exe
            wmic os get Caption
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:8
          • C:\Windows\SysWOW64\cmd.exe
            cmd /C "wmic path win32_VideoController get name"
            5⤵
              PID:1488
              • C:\Windows\SysWOW64\Wbem\WMIC.exe
                wmic path win32_VideoController get name
                6⤵
                  PID:808
              • C:\Windows\SysWOW64\cmd.exe
                cmd /C "wmic cpu get name"
                5⤵
                  PID:2152
                  • C:\Windows\SysWOW64\Wbem\WMIC.exe
                    wmic cpu get name
                    6⤵
                      PID:3720

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          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

            8dc3976a7a7e32449bce6442ea36bf3a

            SHA1

            facfb21dfaab954f5e57ef731cdfca9ca1c4f643

            SHA256

            0160fdf8a3d46e2955aa0f512d00cd56c340c3b2133ff94faea2f80245a5507a

            SHA512

            6850750a7872317d7b8c973a838dfc159c531c8cfabc356413ca67f9cd339374f7021780d6b203e355a1e8e5ec8b9abc280b3046fc36139c8b14c4f1351ba55e

          • 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

            238.0MB

            MD5

            19dba880dacf339f7224505ddb0eca9c

            SHA1

            d6a031ed905a9ccbc25479900988049df1c8305c

            SHA256

            3d270e42c0be46e8558a175526a8c861e3dab815dc3266f500b014aaca7eec57

            SHA512

            00b7c3fb86217410677899f2f4bd5c061907d1d1610ea76ffd2a9613dd80c097d718e23d6e0ef738770ee3c353182b00322c33943594211cfdbccb5e18a0d5a9

          • memory/8-160-0x0000000000000000-mapping.dmp

          • memory/808-166-0x0000000000000000-mapping.dmp

          • memory/904-161-0x00000000709A0000-0x00000000709EC000-memory.dmp

            Filesize

            304KB

          • memory/904-162-0x0000000006B10000-0x0000000006B2E000-memory.dmp

            Filesize

            120KB

          • memory/904-170-0x0000000007B30000-0x0000000007B4A000-memory.dmp

            Filesize

            104KB

          • memory/904-159-0x0000000006BB0000-0x0000000006BE2000-memory.dmp

            Filesize

            200KB

          • memory/904-164-0x0000000007BD0000-0x0000000007C66000-memory.dmp

            Filesize

            600KB

          • memory/904-163-0x0000000007990000-0x000000000799A000-memory.dmp

            Filesize

            40KB

          • memory/904-171-0x0000000007B10000-0x0000000007B18000-memory.dmp

            Filesize

            32KB

          • memory/904-149-0x0000000000000000-mapping.dmp

          • memory/904-169-0x0000000006470000-0x000000000647E000-memory.dmp

            Filesize

            56KB

          • memory/1488-165-0x0000000000000000-mapping.dmp

          • memory/2152-167-0x0000000000000000-mapping.dmp

          • memory/2212-139-0x0000000000F90000-0x0000000000FB2000-memory.dmp

            Filesize

            136KB

          • memory/2212-138-0x0000000000040000-0x00000000007B4000-memory.dmp

            Filesize

            7.5MB

          • memory/2212-135-0x0000000000000000-mapping.dmp

          • memory/2388-142-0x0000000005540000-0x0000000005B68000-memory.dmp

            Filesize

            6.2MB

          • memory/2388-143-0x0000000005D20000-0x0000000005D86000-memory.dmp

            Filesize

            408KB

          • memory/2388-140-0x0000000000000000-mapping.dmp

          • memory/2388-141-0x0000000002E60000-0x0000000002E96000-memory.dmp

            Filesize

            216KB

          • memory/2388-144-0x0000000005E00000-0x0000000005E66000-memory.dmp

            Filesize

            408KB

          • memory/2388-145-0x0000000006430000-0x000000000644E000-memory.dmp

            Filesize

            120KB

          • memory/2388-147-0x0000000006960000-0x000000000697A000-memory.dmp

            Filesize

            104KB

          • memory/2388-146-0x0000000007CA0000-0x000000000831A000-memory.dmp

            Filesize

            6.5MB

          • memory/2440-132-0x0000000000000000-mapping.dmp

          • memory/2580-148-0x0000000000000000-mapping.dmp

          • memory/3720-168-0x0000000000000000-mapping.dmp

          • memory/4288-151-0x0000000000000000-mapping.dmp

          • memory/4288-157-0x0000000000400000-0x0000000000731000-memory.dmp

            Filesize

            3.2MB

          • memory/4288-152-0x0000000000400000-0x0000000000731000-memory.dmp

            Filesize

            3.2MB

          • memory/4288-155-0x0000000000400000-0x0000000000731000-memory.dmp

            Filesize

            3.2MB

          • memory/4288-172-0x0000000000400000-0x0000000000731000-memory.dmp

            Filesize

            3.2MB