Analysis

  • max time kernel
    58s
  • max time network
    149s
  • 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 13:04

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:4816
    • 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:2120
      • 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:4944
        • 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:4800
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4116
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2016
        • 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:32
          • C:\Windows\SysWOW64\Wbem\wmic.exe
            wmic os get Caption
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:5112
          • C:\Windows\SysWOW64\cmd.exe
            cmd /C "wmic path win32_VideoController get name"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:4780
            • C:\Windows\SysWOW64\Wbem\WMIC.exe
              wmic path win32_VideoController get name
              6⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:4460
          • C:\Windows\SysWOW64\cmd.exe
            cmd /C "wmic cpu get name"
            5⤵
              PID:4104
              • C:\Windows\SysWOW64\Wbem\WMIC.exe
                wmic cpu get name
                6⤵
                  PID:3188

      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

        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

        384b7a3b448a51d2da90020d0ad08a66

        SHA1

        a805676f745bf51ddac2dee12145e036687fa5b3

        SHA256

        d61265887610c348db05e6c178549dc81f8f0b81be17d192c8b446a19880f729

        SHA512

        88e5cfe156f71a8edf1acb84ca4d1d1e0028381f57a36a59bf6cf17062e5204747820e54c9b4f0c0102edccbb77af687c47c5c011b6a97f00a1a9c4d5cfa74ac

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

        339.4MB

        MD5

        9fa5e6b3ed8ec31697c265ed5e523a14

        SHA1

        46eacb38d883bb0ce8311a3384b496a9203cac85

        SHA256

        26b596e99673e686a5e16bfffe4d2958ca8ab1f5dbfff68c050366701eed7ecc

        SHA512

        7f2937b84bfd27ccc87bab1506e2f92bfced323d8ca950e52f63f8faf84881a6ccf884c231e4304173cd0fd36aa53e17a2ca6430564495ae23c76a93c0b7741d

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

        343.8MB

        MD5

        5c0ceaf714cbf73e7105d242ed20e852

        SHA1

        850d9db07bf03304fdf4fdfb65764c3422a04a6a

        SHA256

        ecb40455215cd7d48ef9f15ad1c4a5ff32e7070dff19bf738b5e0020fd1eb531

        SHA512

        0e26ba227a5a01a8dfae93a7a6611f38962c7b0fca40ef00d49a6d56b36abe3176eb243a7de7db46f334e17e5086c30d952abb7d7b137cc4ec15fec6f2b12543

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

        327.3MB

        MD5

        f9bc4fd59c4e9fc192558d1d9aaf37cc

        SHA1

        d7a5332c76c0a1775a45ab5e3e254eeb32a1988e

        SHA256

        2d5fe6c2e494d23f071a4895f4a058f4691a58917e6c23d722c01b7ccf7c976e

        SHA512

        97107b3da0fce53ea391095cd018cb62d46df3065f49af0f95376baabe1d2d1ddf8d559480084fa24fd00ff7ae45315491852d6122c4bbe6a301d2cacf92ded2

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

        329.6MB

        MD5

        0320280ecabefe8e02b10bffeb12326f

        SHA1

        6c17360813bce79be25617441259a419d35821dd

        SHA256

        756c8043fe1be9669806b9d52b253b8fcc35fb67f2b57702f187e052f2b46507

        SHA512

        7c66765893e77b3893deb548520255a0e24c28a71d8be3e5f3c6b18f3705e07d5e6f3c3fd71eb805255e399690155b5bbcf1245e961e3c554e7253d184f96223

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

        218.2MB

        MD5

        3c5ed025cb781ec4c3f201290ab896f9

        SHA1

        11e1aea037d76b7637d8070d6581998db398c5f1

        SHA256

        3192d622c8a9c7c005c903a57164c33431f0065b167e6fb1ed314f761ee62034

        SHA512

        31285b783690a8527ab97d1975381711f3282bf61968a04f3c6e4136cdd28fae6849ae701bbbb667025d3f2d37a4444a5cc6ebece90994048a8257521b99cf0e

      • memory/32-172-0x0000000000400000-0x0000000000731000-memory.dmp
        Filesize

        3.2MB

      • memory/32-156-0x0000000000400000-0x0000000000731000-memory.dmp
        Filesize

        3.2MB

      • memory/32-155-0x0000000000400000-0x0000000000731000-memory.dmp
        Filesize

        3.2MB

      • memory/32-152-0x0000000000400000-0x0000000000731000-memory.dmp
        Filesize

        3.2MB

      • memory/32-151-0x0000000000000000-mapping.dmp
      • memory/2016-163-0x0000000007030000-0x000000000703A000-memory.dmp
        Filesize

        40KB

      • memory/2016-164-0x0000000007270000-0x0000000007306000-memory.dmp
        Filesize

        600KB

      • memory/2016-171-0x00000000071B0000-0x00000000071B8000-memory.dmp
        Filesize

        32KB

      • memory/2016-159-0x0000000006270000-0x00000000062A2000-memory.dmp
        Filesize

        200KB

      • memory/2016-149-0x0000000000000000-mapping.dmp
      • memory/2016-170-0x00000000071D0000-0x00000000071EA000-memory.dmp
        Filesize

        104KB

      • memory/2016-169-0x0000000005B00000-0x0000000005B0E000-memory.dmp
        Filesize

        56KB

      • memory/2016-161-0x0000000006250000-0x000000000626E000-memory.dmp
        Filesize

        120KB

      • memory/2016-160-0x0000000074940000-0x000000007498C000-memory.dmp
        Filesize

        304KB

      • memory/2120-132-0x0000000000000000-mapping.dmp
      • memory/3188-168-0x0000000000000000-mapping.dmp
      • memory/4104-167-0x0000000000000000-mapping.dmp
      • memory/4116-148-0x0000000000000000-mapping.dmp
      • memory/4460-166-0x0000000000000000-mapping.dmp
      • memory/4780-165-0x0000000000000000-mapping.dmp
      • memory/4800-140-0x0000000000000000-mapping.dmp
      • memory/4800-146-0x00000000075D0000-0x0000000007C4A000-memory.dmp
        Filesize

        6.5MB

      • memory/4800-141-0x00000000049D0000-0x0000000004A06000-memory.dmp
        Filesize

        216KB

      • memory/4800-142-0x00000000050D0000-0x00000000056F8000-memory.dmp
        Filesize

        6.2MB

      • memory/4800-143-0x0000000005800000-0x0000000005866000-memory.dmp
        Filesize

        408KB

      • memory/4800-144-0x0000000005870000-0x00000000058D6000-memory.dmp
        Filesize

        408KB

      • memory/4800-145-0x0000000004CD0000-0x0000000004CEE000-memory.dmp
        Filesize

        120KB

      • memory/4800-147-0x0000000006490000-0x00000000064AA000-memory.dmp
        Filesize

        104KB

      • memory/4944-138-0x00000000000A0000-0x0000000000814000-memory.dmp
        Filesize

        7.5MB

      • memory/4944-139-0x0000000006770000-0x0000000006792000-memory.dmp
        Filesize

        136KB

      • memory/4944-135-0x0000000000000000-mapping.dmp
      • memory/5112-162-0x0000000000000000-mapping.dmp