Analysis

  • max time kernel
    132s
  • max time network
    154s
  • 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 12:54

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 4 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 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:4424
    • 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:4492
      • 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:4780
        • 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:236
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3752
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2204
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:2752
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:2420
          • C:\Windows\SysWOW64\Wbem\wmic.exe
            wmic os get Caption
            5⤵
              PID:4032
            • C:\Windows\SysWOW64\cmd.exe
              cmd /C "wmic path win32_VideoController get name"
              5⤵
                PID:3932
                • C:\Windows\SysWOW64\Wbem\WMIC.exe
                  wmic path win32_VideoController get name
                  6⤵
                    PID:2160
                • C:\Windows\SysWOW64\cmd.exe
                  cmd /C "wmic cpu get name"
                  5⤵
                    PID:4020
                    • C:\Windows\SysWOW64\Wbem\WMIC.exe
                      wmic cpu get name
                      6⤵
                        PID:1468

            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

              0f53674af0c42551f18bc45e0b21bf4c

              SHA1

              2a9020c08a5ffddc575f47aa0a6cb3b2afc16105

              SHA256

              3a3d70d7800b5170d3112cfdc66b3b8a021c167f8e33eb1e10235d6aec961c4e

              SHA512

              a3209e5ce88836811c39a15713d74c4cf868da3c2da9fc8b0f52a3e1ab3ffde1cf9e3cbf6b8c2c2f9507c25d8a4a1d58c9b8c846dcc2bf8626bcae0ef71cf457

            • 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

              208d2469370832897fbe3952e371c80f

              SHA1

              e7e4e48d860126134e79cd9a2ba3fc74488df3c9

              SHA256

              37234ff5ea2f915d219e3c0b0e9fec7bfcac02e5d9518400d6267edca922427d

              SHA512

              8231aa6f479c3f2cabd9ec1ddcdde5289f9a6120134c7b2443db0f3f52130ab7836ba6cc314acc2227887c0431c4232ea5619c7f4e435bc8e4ad5db0e2f0381f

            • 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

              157.7MB

              MD5

              ba93392c90e163d76c64a9a077b2eb8b

              SHA1

              96984be6f4f5bdd24553bbd49c10e260173f427e

              SHA256

              2d05af1cd4a944f9cbdc925d3f28d26f6c69560b9e4d4c35702cfd7153498d4a

              SHA512

              34e39e7d7882943bf3fc72d2f5019404a5b5670cc44e1f08ddfb3b7915c7735762a45895b65b10fb4422e3fb51ebde81b52f58230f3e3c0cdb6241cdb8f15fee

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

              Filesize

              155.9MB

              MD5

              b43330c2ebf5c08a767a26ffbafd2e6f

              SHA1

              8d1f0588cf331bd83cec78b46cdc25d8ce8e475b

              SHA256

              ce61366a060cb40503740c5cdd350e8b03a6e8084071372f9259c4868f6ae133

              SHA512

              8fb7c218bdc13db5f9d8018e4bd77544fde665ed9767bcb1c3b865784411e5939e07de11258e0aa707f39e89a5aaa2f6271c2f2002f0877c4dac357e3c3c473d

            • memory/236-141-0x0000000002410000-0x0000000002446000-memory.dmp

              Filesize

              216KB

            • memory/236-140-0x0000000000000000-mapping.dmp

            • memory/236-143-0x0000000005640000-0x00000000056A6000-memory.dmp

              Filesize

              408KB

            • memory/236-144-0x00000000056B0000-0x0000000005716000-memory.dmp

              Filesize

              408KB

            • memory/236-145-0x0000000005CA0000-0x0000000005CBE000-memory.dmp

              Filesize

              120KB

            • memory/236-146-0x00000000073C0000-0x0000000007A3A000-memory.dmp

              Filesize

              6.5MB

            • memory/236-147-0x0000000006100000-0x000000000611A000-memory.dmp

              Filesize

              104KB

            • memory/236-142-0x0000000004EA0000-0x00000000054C8000-memory.dmp

              Filesize

              6.2MB

            • memory/1468-169-0x0000000000000000-mapping.dmp

            • memory/2160-166-0x0000000000000000-mapping.dmp

            • memory/2204-164-0x00000000065F0000-0x000000000660E000-memory.dmp

              Filesize

              120KB

            • memory/2204-170-0x0000000007620000-0x00000000076B6000-memory.dmp

              Filesize

              600KB

            • memory/2204-167-0x0000000004DC0000-0x0000000004DCA000-memory.dmp

              Filesize

              40KB

            • memory/2204-149-0x0000000000000000-mapping.dmp

            • memory/2204-163-0x0000000073430000-0x000000007347C000-memory.dmp

              Filesize

              304KB

            • memory/2204-162-0x0000000006610000-0x0000000006642000-memory.dmp

              Filesize

              200KB

            • memory/2420-159-0x0000000000400000-0x0000000000731000-memory.dmp

              Filesize

              3.2MB

            • memory/2420-158-0x0000000000400000-0x0000000000731000-memory.dmp

              Filesize

              3.2MB

            • memory/2420-153-0x0000000000000000-mapping.dmp

            • memory/2420-154-0x0000000000400000-0x0000000000731000-memory.dmp

              Filesize

              3.2MB

            • memory/2752-151-0x0000000000000000-mapping.dmp

            • memory/3752-148-0x0000000000000000-mapping.dmp

            • memory/3932-165-0x0000000000000000-mapping.dmp

            • memory/4020-168-0x0000000000000000-mapping.dmp

            • memory/4032-160-0x0000000000000000-mapping.dmp

            • memory/4492-132-0x0000000000000000-mapping.dmp

            • memory/4780-138-0x0000000000CC0000-0x0000000001434000-memory.dmp

              Filesize

              7.5MB

            • memory/4780-135-0x0000000000000000-mapping.dmp

            • memory/4780-139-0x0000000007380000-0x00000000073A2000-memory.dmp

              Filesize

              136KB