Analysis

  • max time kernel
    102s
  • max time network
    150s
  • 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 12:41

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 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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 6 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:4808
    • 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:632
      • 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:4036
        • 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:3420
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4652
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4256
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:3388
        • 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:2140
          • C:\Windows\SysWOW64\Wbem\wmic.exe
            wmic os get Caption
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:2760
          • C:\Windows\SysWOW64\cmd.exe
            cmd /C "wmic path win32_VideoController get name"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1124
            • C:\Windows\SysWOW64\Wbem\WMIC.exe
              wmic path win32_VideoController get name
              6⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:2500
          • C:\Windows\SysWOW64\cmd.exe
            cmd /C "wmic cpu get name"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:4416
            • C:\Windows\SysWOW64\Wbem\WMIC.exe
              wmic cpu get name
              6⤵
                PID:1804

    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

      832a812a98d15fb8825c739f81c8dc89

      SHA1

      a3fb71e7b53c200b6f70cc848b28a7223b62ae25

      SHA256

      eb110bdce0af4e04f1b08b8b3f3d0d2e0a16da9691c189785858fa598db223fa

      SHA512

      648f98eb4a1d8a458faef7de049de66e3f7ae2ba0e6e0ae08efe9ccb905685713a2fbff191e4e3116bd39895d080c059d719ea473c76241e8c7a172d72efb7e6

    • 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

      176.5MB

      MD5

      1737dc8f9ddeea5d561f3cbfc44b1bf4

      SHA1

      5d0d6cf1d563dcb25fe8f7ea10f31b240af6a625

      SHA256

      7183cf13afdaaba7d2559b74f9cab7e080c86eb4df83781c18447d986925479f

      SHA512

      ae32ad72da98049b5c37ccd80f7a13c651713d0483f00c3986557e1deec4236ff0911c733afe3e0d0069b8e7faea67449993eb2b355c5645a97e532a576b8cf3

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

      171.9MB

      MD5

      dba5de88bb6a9a825608f774af3f25aa

      SHA1

      512c52665b4e06b91ec58a676e01aef16b7ba016

      SHA256

      c9f3d39512291f8ca398c9af8b2671dc0d42d10052ecd3557aee637d583441f3

      SHA512

      fa9dd62cf097d6731a06534c1fcdac63ea815089112d4c0e9a66df6ce23b6a413c7db638793dc5a39cea2519e7507fe7e8a18bc861c8307598927c6b47dacc7c

    • memory/632-132-0x0000000000000000-mapping.dmp
    • memory/1124-167-0x0000000000000000-mapping.dmp
    • memory/1804-170-0x0000000000000000-mapping.dmp
    • memory/2140-159-0x0000000000400000-0x0000000000731000-memory.dmp
      Filesize

      3.2MB

    • memory/2140-157-0x0000000000400000-0x0000000000731000-memory.dmp
      Filesize

      3.2MB

    • memory/2140-154-0x0000000000400000-0x0000000000731000-memory.dmp
      Filesize

      3.2MB

    • memory/2140-153-0x0000000000000000-mapping.dmp
    • memory/2140-174-0x0000000000400000-0x0000000000731000-memory.dmp
      Filesize

      3.2MB

    • memory/2500-168-0x0000000000000000-mapping.dmp
    • memory/2760-165-0x0000000000000000-mapping.dmp
    • memory/3388-151-0x0000000000000000-mapping.dmp
    • memory/3420-142-0x0000000005650000-0x0000000005C78000-memory.dmp
      Filesize

      6.2MB

    • memory/3420-141-0x0000000004FD0000-0x0000000005006000-memory.dmp
      Filesize

      216KB

    • memory/3420-147-0x0000000006B20000-0x0000000006B3A000-memory.dmp
      Filesize

      104KB

    • memory/3420-146-0x0000000007C90000-0x000000000830A000-memory.dmp
      Filesize

      6.5MB

    • memory/3420-145-0x0000000006630000-0x000000000664E000-memory.dmp
      Filesize

      120KB

    • memory/3420-143-0x0000000005EF0000-0x0000000005F56000-memory.dmp
      Filesize

      408KB

    • memory/3420-144-0x0000000005F60000-0x0000000005FC6000-memory.dmp
      Filesize

      408KB

    • memory/3420-140-0x0000000000000000-mapping.dmp
    • memory/4036-135-0x0000000000000000-mapping.dmp
    • memory/4036-138-0x0000000000FD0000-0x0000000001744000-memory.dmp
      Filesize

      7.5MB

    • memory/4036-139-0x0000000007690000-0x00000000076B2000-memory.dmp
      Filesize

      136KB

    • memory/4256-164-0x0000000006FC0000-0x0000000006FCA000-memory.dmp
      Filesize

      40KB

    • memory/4256-149-0x0000000000000000-mapping.dmp
    • memory/4256-166-0x0000000007210000-0x00000000072A6000-memory.dmp
      Filesize

      600KB

    • memory/4256-163-0x0000000006150000-0x000000000616E000-memory.dmp
      Filesize

      120KB

    • memory/4256-162-0x0000000073420000-0x000000007346C000-memory.dmp
      Filesize

      304KB

    • memory/4256-171-0x0000000005AD0000-0x0000000005ADE000-memory.dmp
      Filesize

      56KB

    • memory/4256-161-0x0000000006220000-0x0000000006252000-memory.dmp
      Filesize

      200KB

    • memory/4256-172-0x0000000007190000-0x00000000071AA000-memory.dmp
      Filesize

      104KB

    • memory/4256-173-0x0000000007150000-0x0000000007158000-memory.dmp
      Filesize

      32KB

    • memory/4416-169-0x0000000000000000-mapping.dmp
    • memory/4652-148-0x0000000000000000-mapping.dmp