Analysis

  • max time kernel
    131s
  • max time network
    142s
  • 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 00:41

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 35 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:1556
    • 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:1628
      • 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:620
        • 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:3788
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3052
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4716
        • 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:2780
          • C:\Windows\SysWOW64\Wbem\wmic.exe
            wmic os get Caption
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:2380
          • C:\Windows\SysWOW64\cmd.exe
            cmd /C "wmic path win32_VideoController get name"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1564
            • C:\Windows\SysWOW64\Wbem\WMIC.exe
              wmic path win32_VideoController get name
              6⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:948
          • C:\Windows\SysWOW64\cmd.exe
            cmd /C "wmic cpu get name"
            5⤵
              PID:3644
              • C:\Windows\SysWOW64\Wbem\WMIC.exe
                wmic cpu get name
                6⤵
                  PID:3192

      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\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

        86e75ad0d3f21bf6ace450b0f26f07be

        SHA1

        cd2ff990b24a63e49412af287e3eb5c498561ed2

        SHA256

        ca1208b2a7ec64008f401dc02e10d8ce916e7102687512331882c6edef878afa

        SHA512

        d57e23a4865246a0993bd0feb732b763e0801083b09a1188f656e9f5fa21de7f1e5a79dfdf1a4ea56a1b02c6e7f2ab7c2ba5d8d32daa036d98be3d9ffd5fe0c4

      • 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

        167.1MB

        MD5

        d85765d57c749278052f45868734b66f

        SHA1

        b67518be88f1439804236f126a22d812490cc995

        SHA256

        807452ed35b6efd2f4fca9c9d2978f4ca3d8a4ab72defe414be77d622ed84199

        SHA512

        e08b4152d22e40ec07b21818cd4cf63d62782589b28ecafae603ebb36f8c07e0c049f6036272c659bd20cbb8cb43a7760108e10209d3ca2b5476c94c32830c3d

      • memory/620-138-0x00000000008E0000-0x0000000001054000-memory.dmp
        Filesize

        7.5MB

      • memory/620-139-0x0000000006E60000-0x0000000006E82000-memory.dmp
        Filesize

        136KB

      • memory/620-135-0x0000000000000000-mapping.dmp
      • memory/948-166-0x0000000000000000-mapping.dmp
      • memory/1564-165-0x0000000000000000-mapping.dmp
      • memory/1628-132-0x0000000000000000-mapping.dmp
      • memory/2380-163-0x0000000000000000-mapping.dmp
      • memory/2780-152-0x0000000000400000-0x0000000000731000-memory.dmp
        Filesize

        3.2MB

      • memory/2780-155-0x0000000000400000-0x0000000000731000-memory.dmp
        Filesize

        3.2MB

      • memory/2780-172-0x0000000000400000-0x0000000000731000-memory.dmp
        Filesize

        3.2MB

      • memory/2780-151-0x0000000000000000-mapping.dmp
      • memory/2780-157-0x0000000000400000-0x0000000000731000-memory.dmp
        Filesize

        3.2MB

      • memory/3052-148-0x0000000000000000-mapping.dmp
      • memory/3192-169-0x0000000000000000-mapping.dmp
      • memory/3644-167-0x0000000000000000-mapping.dmp
      • memory/3788-144-0x0000000005DC0000-0x0000000005E26000-memory.dmp
        Filesize

        408KB

      • memory/3788-145-0x0000000006410000-0x000000000642E000-memory.dmp
        Filesize

        120KB

      • memory/3788-143-0x0000000005D50000-0x0000000005DB6000-memory.dmp
        Filesize

        408KB

      • memory/3788-147-0x00000000062B0000-0x00000000062CA000-memory.dmp
        Filesize

        104KB

      • memory/3788-146-0x00000000079E0000-0x000000000805A000-memory.dmp
        Filesize

        6.5MB

      • memory/3788-140-0x0000000000000000-mapping.dmp
      • memory/3788-141-0x0000000002E10000-0x0000000002E46000-memory.dmp
        Filesize

        216KB

      • memory/3788-142-0x0000000005650000-0x0000000005C78000-memory.dmp
        Filesize

        6.2MB

      • memory/4716-164-0x0000000007C10000-0x0000000007CA6000-memory.dmp
        Filesize

        600KB

      • memory/4716-162-0x00000000079D0000-0x00000000079DA000-memory.dmp
        Filesize

        40KB

      • memory/4716-161-0x0000000006BE0000-0x0000000006BFE000-memory.dmp
        Filesize

        120KB

      • memory/4716-160-0x00000000715B0000-0x00000000715FC000-memory.dmp
        Filesize

        304KB

      • memory/4716-168-0x00000000064B0000-0x00000000064BE000-memory.dmp
        Filesize

        56KB

      • memory/4716-159-0x0000000006C00000-0x0000000006C32000-memory.dmp
        Filesize

        200KB

      • memory/4716-170-0x0000000007B70000-0x0000000007B8A000-memory.dmp
        Filesize

        104KB

      • memory/4716-171-0x0000000007B50000-0x0000000007B58000-memory.dmp
        Filesize

        32KB

      • memory/4716-149-0x0000000000000000-mapping.dmp