Analysis

  • max time kernel
    71s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-02-2023 00:52

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 64 IoCs
  • Suspicious use of WriteProcessMemory 41 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:916
    • 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:5016
      • 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:4336
        • 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:4812
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4496
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:220
        • 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:2004
          • C:\Windows\SysWOW64\Wbem\wmic.exe
            wmic os get Caption
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:3136
          • C:\Windows\SysWOW64\cmd.exe
            cmd /C "wmic path win32_VideoController get name"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:3228
            • C:\Windows\SysWOW64\Wbem\WMIC.exe
              wmic path win32_VideoController get name
              6⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:4596
          • C:\Windows\SysWOW64\cmd.exe
            cmd /C "wmic cpu get name"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1072
            • C:\Windows\SysWOW64\Wbem\WMIC.exe
              wmic cpu get name
              6⤵
                PID:5036

    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

      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

      acb818b1ed5595ad7e3387e53b170cd9

      SHA1

      dbc21f90a40b8c543dfe295470017ce669ee8a2b

      SHA256

      01806c7c308c9ac5ea44e4663ddb0eda8ff864417ce4b684489fed9dc122232a

      SHA512

      fbf89cf5d0ca9aac9326f99163b4b28869b74883690364c7033de5d5297666c82fee3c92393b5088ec9761efd622905722fd555fd16beec8700cf5040c5d703d

    • 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

      335.1MB

      MD5

      65171665df646ceec9fda23a540d1626

      SHA1

      fc0962d0e20498e120631b3d3aaf5545b0162907

      SHA256

      fbe8528b1116f0c4070a3db6d0a8edb479570f8942de584ce73e26f032e0d6ba

      SHA512

      d690ea05fc4b9059b2307336d896783fdd00090e1856ca8487cc4c401efaa886cfd051d6dc6122f24442cc3cca8c98e34614d89fb06286cece72fc03eda05be2

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

      Filesize

      265.2MB

      MD5

      922888bb7e6ced119f06d91715e3f20b

      SHA1

      dc26c208a5a3fb9ae8a49c0b6a4089287608e18b

      SHA256

      4c54e0e94d1dfe7344065628b18799eab3498e5f128d7a676215b7508bd52a66

      SHA512

      7429d2c10a33c508a28ff9d6b569f525dfb4e6a1cd93a076a239023df2ca694abbab9b2acefbc1fb6fcce9dd9a66de133ee67e28a0065965d4b865b1d8bd1f6e

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

      Filesize

      262.6MB

      MD5

      1d67f081f7811345fcfe51c3782e19fc

      SHA1

      73307efb243f93459d32e0add1a384efc6968500

      SHA256

      7e683286f1eba419c0c216dda7f59ce34cfd498886bccb6a52db4224e9584d20

      SHA512

      9f8db03546cd3f9f8f35c4aeaca1e6027104f8e270d5aa93463f8686cae80456a112f7d0d4803c0fe22f0da488ccb7669f90bb6498d0aa113e79b3ed2b8f1dca

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

      Filesize

      151.0MB

      MD5

      868f694ad9a947708be4078138bd8476

      SHA1

      610e2239be6eac377268cbcc5db44d31cfd4833c

      SHA256

      ef44b841a80262db8a2dba1768dad193736469d6153a548cde19d65c523f0af3

      SHA512

      10ba69def6498dd8d4dac2085f220d4034b9df975582692744c791d9f5b0aeb7b8cf2f432f4b54d74c14f84decd66a682c942eafef2aef3f6ac02eb1981e845d

    • memory/220-161-0x00000000067C0000-0x00000000067DE000-memory.dmp

      Filesize

      120KB

    • memory/220-164-0x00000000077D0000-0x0000000007866000-memory.dmp

      Filesize

      600KB

    • memory/220-163-0x0000000007590000-0x000000000759A000-memory.dmp

      Filesize

      40KB

    • memory/220-160-0x0000000074E80000-0x0000000074ECC000-memory.dmp

      Filesize

      304KB

    • memory/220-159-0x00000000067E0000-0x0000000006812000-memory.dmp

      Filesize

      200KB

    • memory/220-169-0x0000000006070000-0x000000000607E000-memory.dmp

      Filesize

      56KB

    • memory/220-170-0x0000000007730000-0x000000000774A000-memory.dmp

      Filesize

      104KB

    • memory/220-171-0x0000000007710000-0x0000000007718000-memory.dmp

      Filesize

      32KB

    • memory/220-149-0x0000000000000000-mapping.dmp

    • memory/1072-167-0x0000000000000000-mapping.dmp

    • memory/2004-152-0x0000000000400000-0x0000000000731000-memory.dmp

      Filesize

      3.2MB

    • memory/2004-172-0x0000000000400000-0x0000000000731000-memory.dmp

      Filesize

      3.2MB

    • memory/2004-155-0x0000000000400000-0x0000000000731000-memory.dmp

      Filesize

      3.2MB

    • memory/2004-151-0x0000000000000000-mapping.dmp

    • memory/2004-158-0x0000000000400000-0x0000000000731000-memory.dmp

      Filesize

      3.2MB

    • memory/3136-162-0x0000000000000000-mapping.dmp

    • memory/3228-165-0x0000000000000000-mapping.dmp

    • memory/4336-135-0x0000000000000000-mapping.dmp

    • memory/4336-138-0x0000000000EF0000-0x0000000001664000-memory.dmp

      Filesize

      7.5MB

    • memory/4336-139-0x00000000075B0000-0x00000000075D2000-memory.dmp

      Filesize

      136KB

    • memory/4496-148-0x0000000000000000-mapping.dmp

    • memory/4596-166-0x0000000000000000-mapping.dmp

    • memory/4812-146-0x0000000007620000-0x0000000007C9A000-memory.dmp

      Filesize

      6.5MB

    • memory/4812-141-0x0000000004AA0000-0x0000000004AD6000-memory.dmp

      Filesize

      216KB

    • memory/4812-142-0x00000000051C0000-0x00000000057E8000-memory.dmp

      Filesize

      6.2MB

    • memory/4812-143-0x00000000058F0000-0x0000000005956000-memory.dmp

      Filesize

      408KB

    • memory/4812-140-0x0000000000000000-mapping.dmp

    • memory/4812-144-0x0000000005960000-0x00000000059C6000-memory.dmp

      Filesize

      408KB

    • memory/4812-145-0x0000000005FF0000-0x000000000600E000-memory.dmp

      Filesize

      120KB

    • memory/4812-147-0x00000000064F0000-0x000000000650A000-memory.dmp

      Filesize

      104KB

    • memory/5016-132-0x0000000000000000-mapping.dmp

    • memory/5036-168-0x0000000000000000-mapping.dmp