Analysis

  • max time kernel
    142s
  • max time network
    150s
  • 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 13:29

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 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:2904
    • 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:484
      • 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:1288
        • 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:204
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4492
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:3648
        • 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:3552
          • C:\Windows\SysWOW64\Wbem\wmic.exe
            wmic os get Caption
            5⤵
              PID:3180
            • C:\Windows\SysWOW64\cmd.exe
              cmd /C "wmic path win32_VideoController get name"
              5⤵
                PID:2452
                • C:\Windows\SysWOW64\Wbem\WMIC.exe
                  wmic path win32_VideoController get name
                  6⤵
                    PID:1440
                • C:\Windows\SysWOW64\cmd.exe
                  cmd /C "wmic cpu get name"
                  5⤵
                    PID:4048
                    • C:\Windows\SysWOW64\Wbem\WMIC.exe
                      wmic cpu get name
                      6⤵
                        PID:3580

            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\Windows\PowerShell\ModuleAnalysisCache
              Filesize

              56KB

              MD5

              ea1a294133d0f531d5a520ab06fa1881

              SHA1

              dccd5b851a9cbe7902e9f53c4e2ebd98e65f6436

              SHA256

              221a11a74006bf538f78315a7860110688f7d028a757ef1b26185284fdc1f954

              SHA512

              af109b037d059b3b61c10ee24554c09259f470d48031cbc69e07286bb505d330f59b71f0254c93607f47d0387be78a9dc638292ab527e03656bdde2e9149d1bf

            • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
              Filesize

              16KB

              MD5

              ae6a293b7b9f26fa935156d5571afc86

              SHA1

              c1b2f06fe93ca42e024ada986e9243317158c702

              SHA256

              c66d1a0ed07e0b44789109df2ab3424b7bd1428e95e9b97e579e41df6ac1a7b0

              SHA512

              69d697a4e7893906036f59a84ad17e713ab54bd20153416b75fb6c758949f9183687b2566e5b6aff28c10de6a343779e7fca38d98ef761a19fe71d2fb8f61661

            • 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

              159.0MB

              MD5

              0987692cd77cdaab33ca400b4ba2880b

              SHA1

              475f8d163f4c4a2f5dcf5c1e7a415144283c1cc0

              SHA256

              0b78c329099d788ff1fb61433347eaed47f8f3aab4e66406e31e602a594140a7

              SHA512

              fc50da481b3ea68a9cb3f8cf839a252e0b367829230a9a85e6918957aa9891975a83365800927330f5af4e9b95a397a8bdddabe1153ac28ad9718faed8318da7

            • memory/204-142-0x0000000005A90000-0x00000000060B8000-memory.dmp
              Filesize

              6.2MB

            • memory/204-146-0x00000000080C0000-0x000000000873A000-memory.dmp
              Filesize

              6.5MB

            • memory/204-141-0x0000000003320000-0x0000000003356000-memory.dmp
              Filesize

              216KB

            • memory/204-147-0x0000000006D80000-0x0000000006D9A000-memory.dmp
              Filesize

              104KB

            • memory/204-143-0x00000000060C0000-0x0000000006126000-memory.dmp
              Filesize

              408KB

            • memory/204-144-0x0000000006220000-0x0000000006286000-memory.dmp
              Filesize

              408KB

            • memory/204-145-0x0000000006880000-0x000000000689E000-memory.dmp
              Filesize

              120KB

            • memory/204-140-0x0000000000000000-mapping.dmp
            • memory/484-132-0x0000000000000000-mapping.dmp
            • memory/1288-139-0x00000000074B0000-0x00000000074D2000-memory.dmp
              Filesize

              136KB

            • memory/1288-138-0x0000000000DF0000-0x0000000001564000-memory.dmp
              Filesize

              7.5MB

            • memory/1288-135-0x0000000000000000-mapping.dmp
            • memory/1440-165-0x0000000000000000-mapping.dmp
            • memory/2452-164-0x0000000000000000-mapping.dmp
            • memory/3180-158-0x0000000000000000-mapping.dmp
            • memory/3552-150-0x0000000000000000-mapping.dmp
            • memory/3552-156-0x0000000000400000-0x0000000000731000-memory.dmp
              Filesize

              3.2MB

            • memory/3552-154-0x0000000000400000-0x0000000000731000-memory.dmp
              Filesize

              3.2MB

            • memory/3552-151-0x0000000000400000-0x0000000000731000-memory.dmp
              Filesize

              3.2MB

            • memory/3552-171-0x0000000000400000-0x0000000000731000-memory.dmp
              Filesize

              3.2MB

            • memory/3580-167-0x0000000000000000-mapping.dmp
            • memory/3648-149-0x0000000000000000-mapping.dmp
            • memory/3648-162-0x00000000079C0000-0x00000000079CA000-memory.dmp
              Filesize

              40KB

            • memory/3648-163-0x0000000007BE0000-0x0000000007C76000-memory.dmp
              Filesize

              600KB

            • memory/3648-161-0x0000000006BD0000-0x0000000006BEE000-memory.dmp
              Filesize

              120KB

            • memory/3648-160-0x0000000074CC0000-0x0000000074D0C000-memory.dmp
              Filesize

              304KB

            • memory/3648-168-0x00000000060F0000-0x00000000060FE000-memory.dmp
              Filesize

              56KB

            • memory/3648-169-0x0000000007B60000-0x0000000007B7A000-memory.dmp
              Filesize

              104KB

            • memory/3648-170-0x0000000007B40000-0x0000000007B48000-memory.dmp
              Filesize

              32KB

            • memory/3648-159-0x00000000077C0000-0x00000000077F2000-memory.dmp
              Filesize

              200KB

            • memory/4048-166-0x0000000000000000-mapping.dmp
            • memory/4492-148-0x0000000000000000-mapping.dmp