Analysis

  • max time kernel
    70s
  • max time network
    158s
  • 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 01:01

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 5 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 44 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:5016
    • 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:2348
      • 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:4848
        • 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:1460
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3364
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4608
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:3152
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:628
        • 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:524
          • C:\Windows\SysWOW64\Wbem\wmic.exe
            wmic os get Caption
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4176
          • C:\Windows\SysWOW64\cmd.exe
            cmd /C "wmic path win32_VideoController get name"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:2304
            • C:\Windows\SysWOW64\Wbem\WMIC.exe
              wmic path win32_VideoController get name
              6⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:1440
          • C:\Windows\SysWOW64\cmd.exe
            cmd /C "wmic cpu get name"
            5⤵
              PID:4168
              • C:\Windows\SysWOW64\Wbem\WMIC.exe
                wmic cpu get name
                6⤵
                  PID:4676

      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

        4fbb4d74bd9053d3dce159cc0bc1c5a4

        SHA1

        05d094c8a37575b9038ca012729fd508fcaacdeb

        SHA256

        8035cf1fb984218337d7f75c0ff2c805bd60415d0c8271723270c743cdc28982

        SHA512

        1ceb39ce35846e3847c2d96e4d0781ff0ab8769808c513e8f5ab3cfee3d529076dcb52d5ed72368085ffd44c2396d96ec4ff13fb29624df7bed822eedabb1b83

      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\voiceadequovl.exe
        Filesize

        342.6MB

        MD5

        a49b1b13092243cb4d7eee0b84477383

        SHA1

        6fd0bcd18f83ade19d6239fbc1653b84c4991609

        SHA256

        522adf33b7e13f32e19101020b716f40775ab5d7e89c84dc5f567c98474b0b79

        SHA512

        098436b1b31a2d5a665e590a21c3c9b5e8dd86934a01d68f9a2501d4919c1fee7b896319536a73eee23d2408cc9a4582fc763f9db9467044245d39274102fb9f

      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\voiceadequovl.exe
        Filesize

        322.1MB

        MD5

        e72b5e7e24cd22f33190a5f870ea5f7a

        SHA1

        1c4a6ff0fb2f55a8915f9e9d7f9077c9049a6319

        SHA256

        001a3b924c085896a9bc25b8ed6ff46cb76e87e2195a65cde8bb01d3ca998b0b

        SHA512

        aab425f6fea203e3a106d7f6fd4a334fabdc394fc50e5c11b40373a04c9b656d736d0411c97fd6117e5d43df464f73a96484ba789d607eb4712415427722fa1e

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

        287.8MB

        MD5

        7f422f5e2b52f7fa8ab19d2a22ff183c

        SHA1

        1bb62f288ba037eaa153f4cec6f93f54b8b7c26c

        SHA256

        12ca79d4f8754a8175434446dd1fb9040b260f69d6511db4684b65a8e506e8f2

        SHA512

        a6b99762038e91be8d3245ee6a60c8c73f82671bb00fecca1810cb170d4c44367ecb9cae2c1b546cdfb400077311216c93321b8629dd641f0bb73183db71db39

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

        283.4MB

        MD5

        fcc7811a3639e4caaca70c5fb6ba14b0

        SHA1

        05b9e510d9456f3a6d29eb855871e5a70e184bfd

        SHA256

        a088465788c4c940d185840570b6355da138247d27b9e4aa90fb184b31f040cb

        SHA512

        55938d0b2ca6c86845093e8cb03ef33744bee74404e43438d623fcd3ccc9a0d66ca96d0894c418b07ceff1eba1be78248be8081b0672c4ccdc02d069897afa03

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

        143.6MB

        MD5

        3aee9aca9e5526db3e4a8fb537078adc

        SHA1

        3c46871642de9bf455724bff1d8907ecea981e68

        SHA256

        1dd5ef962289ff39e3adcb46589e0f874fba7f7906be02eeccde6c8001723297

        SHA512

        a2171a23fb4b49120183c1e99b70ba5d558f881d82cb808aa1a5bbd44345b4f02066db15bba9b363bbed0c79eae501eb6071b174dc95e2b0d74db6b52f427270

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

        147.3MB

        MD5

        e941a306905dac3a60820b50d7630f7f

        SHA1

        17d54e97076702233933e96c40eef392a5b5034e

        SHA256

        7445e433d3b63d1be53a29edf98e66b3ac37e5ce5c832a6ee0c7db43149b555c

        SHA512

        9534cfd03f666344e195077a368aefecb576067d990dac15537dbf8d1db34b972d709c86643d7119cf1c86e03ab5bb3ea314629074f3eaa32e4355439ce10dbd

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

        152.9MB

        MD5

        a23aaecb44ee1ca861bf7e9160392d63

        SHA1

        52da103c7ec1a20759d2f1986906c17f18275c94

        SHA256

        dce7fed4196d4b09fb831f8a637f7d6f195a5c6417321e15da14ee2caa16a7aa

        SHA512

        febc752ccba606724992194d891b528e45341be087e3d1eb837990dc244f22d634d3f7f327fc27a59cf396286d7a1d99bc11c3c5c637c644135ae26009e82e6a

      • memory/524-156-0x0000000000400000-0x0000000000731000-memory.dmp
        Filesize

        3.2MB

      • memory/524-159-0x0000000000400000-0x0000000000731000-memory.dmp
        Filesize

        3.2MB

      • memory/524-161-0x0000000000400000-0x0000000000731000-memory.dmp
        Filesize

        3.2MB

      • memory/524-176-0x0000000000400000-0x0000000000731000-memory.dmp
        Filesize

        3.2MB

      • memory/524-155-0x0000000000000000-mapping.dmp
      • memory/628-153-0x0000000000000000-mapping.dmp
      • memory/1440-170-0x0000000000000000-mapping.dmp
      • memory/1460-143-0x0000000005170000-0x00000000051D6000-memory.dmp
        Filesize

        408KB

      • memory/1460-142-0x00000000052B0000-0x00000000058D8000-memory.dmp
        Filesize

        6.2MB

      • memory/1460-140-0x0000000000000000-mapping.dmp
      • memory/1460-141-0x00000000029D0000-0x0000000002A06000-memory.dmp
        Filesize

        216KB

      • memory/1460-147-0x0000000006430000-0x000000000644A000-memory.dmp
        Filesize

        104KB

      • memory/1460-146-0x00000000075D0000-0x0000000007C4A000-memory.dmp
        Filesize

        6.5MB

      • memory/1460-145-0x0000000005FA0000-0x0000000005FBE000-memory.dmp
        Filesize

        120KB

      • memory/1460-144-0x0000000005950000-0x00000000059B6000-memory.dmp
        Filesize

        408KB

      • memory/2304-169-0x0000000000000000-mapping.dmp
      • memory/2348-132-0x0000000000000000-mapping.dmp
      • memory/3152-151-0x0000000000000000-mapping.dmp
      • memory/3364-148-0x0000000000000000-mapping.dmp
      • memory/4168-171-0x0000000000000000-mapping.dmp
      • memory/4176-167-0x0000000000000000-mapping.dmp
      • memory/4608-173-0x00000000061E0000-0x00000000061EE000-memory.dmp
        Filesize

        56KB

      • memory/4608-165-0x00000000074E0000-0x00000000074FE000-memory.dmp
        Filesize

        120KB

      • memory/4608-166-0x00000000076F0000-0x00000000076FA000-memory.dmp
        Filesize

        40KB

      • memory/4608-163-0x0000000007500000-0x0000000007532000-memory.dmp
        Filesize

        200KB

      • memory/4608-168-0x0000000007930000-0x00000000079C6000-memory.dmp
        Filesize

        600KB

      • memory/4608-149-0x0000000000000000-mapping.dmp
      • memory/4608-164-0x00000000756C0000-0x000000007570C000-memory.dmp
        Filesize

        304KB

      • memory/4608-174-0x0000000007890000-0x00000000078AA000-memory.dmp
        Filesize

        104KB

      • memory/4608-175-0x0000000007870000-0x0000000007878000-memory.dmp
        Filesize

        32KB

      • memory/4676-172-0x0000000000000000-mapping.dmp
      • memory/4848-138-0x0000000000DD0000-0x0000000001544000-memory.dmp
        Filesize

        7.5MB

      • memory/4848-139-0x0000000007490000-0x00000000074B2000-memory.dmp
        Filesize

        136KB

      • memory/4848-135-0x0000000000000000-mapping.dmp