Analysis

  • max time kernel
    63s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-02-2023 13:06

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:2952
    • 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:3392
      • 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:332
        • 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:5068
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3988
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:656
        • 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:2356
          • C:\Windows\SysWOW64\Wbem\wmic.exe
            wmic os get Caption
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1712
          • C:\Windows\SysWOW64\cmd.exe
            cmd /C "wmic path win32_VideoController get name"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:4672
            • C:\Windows\SysWOW64\Wbem\WMIC.exe
              wmic path win32_VideoController get name
              6⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:1160
          • C:\Windows\SysWOW64\cmd.exe
            cmd /C "wmic cpu get name"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1556
            • C:\Windows\SysWOW64\Wbem\WMIC.exe
              wmic cpu get name
              6⤵
                PID:3532

    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

      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

      02cba24eccfb70e066c56c36256bd745

      SHA1

      463a35f200c5542c164f8d3ccfffa559e2b635ba

      SHA256

      d3d4993949d0dfe4d6a4b77a9529cb2de52f0781787f7ed11fd4ee81e86567f0

      SHA512

      ee97eca912feed2f065b8c0f038297a58e6fda7b55869b4e7b9a6b8e476e2df7adf1f47e440fb966c5c74763fd98eea70f4d256b94394f4ad656b836f45a8aaf

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

      Filesize

      310.6MB

      MD5

      29fcdcd25910e727ae875cdc3c08c3de

      SHA1

      5bd0efaec8d9550b45cbae84f7e429412de6c3a1

      SHA256

      db1fbc37eaea21864e4a9bbb25e6024c40b6fd71cdd644238ab6b4342d82c17b

      SHA512

      65eb0658ec76a8d2d14042e6a81b1dddad5da57b7f2cea7b58fe24afc51d65a962a789b7f777ab6fb7af3618aef5b227509f20b36d24a8d9895d9b05fcb61360

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

      Filesize

      321.1MB

      MD5

      57f0ac0e1398fedad90aa92235eadec3

      SHA1

      75f963bec845d986f7a35249a67e9181604e0369

      SHA256

      2af94064d166d5136e7261c77d87c5c5a0302a5e5635ac75bf9ea72c31080f52

      SHA512

      0de78dbb555c2567c1ffa4cc6463b3f25f9dc7a1da8724311c3d52cb3f5d732fa1f97224d2b0f31c5b5a18798012dcc7b96c87a82e4f8f989feb9329ac8ccb99

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

      Filesize

      288.3MB

      MD5

      6eb3fa6117ffcab2a87558a173181d52

      SHA1

      026e112a66c32c48ebbb97879235c24e6c277961

      SHA256

      23d19f88c43ee8d7372a592c5ddadff894d985963e3cc027ba36d36c01218b9a

      SHA512

      5cb02bd2ef9abc1acecebb2f44b26657722c31198f7da322e235fd697cdb5ffd1e80ff3d6ae5ad51c8ebf71c181729614775f66d6b70ea48181ace50ab58666e

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

      Filesize

      301.7MB

      MD5

      b200607d742414e70594299b5a012e96

      SHA1

      3891472758333132c3ba940043bd623162d6649d

      SHA256

      38204848a4492eb986c6b4641228fd9a4bb6d602b070b03a7d4ce57d6b8c8cdf

      SHA512

      70a71aef5c22c89d5765e4c244ccf7b1344a06cd6e9c6d53dc2dd9e397eea8afcdcb2ae521e86b2345dc865aa82845b41b285acf20a5eb342f50f02970882bc7

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

      Filesize

      135.6MB

      MD5

      62188fc7d2ed4b3dbbf10bb5e0bf605b

      SHA1

      f2bebe340d6f17b62b51f32dfbde72286d90dc9d

      SHA256

      7d6a5fbe4eea7d68cf6dcbe5bc79e1520c7274e0ed225dba9799508f4b8ebed9

      SHA512

      3ebc4b8b76f51482974b5a885291bb52fd314faaa865d0289b233b65ca7718948dc84d8315c17692351bda265c8686c8970e144f8184e87a08a083d0c2cc656b

    • memory/332-135-0x0000000000000000-mapping.dmp

    • memory/332-138-0x00000000008D0000-0x0000000001044000-memory.dmp

      Filesize

      7.5MB

    • memory/332-139-0x0000000006E60000-0x0000000006E82000-memory.dmp

      Filesize

      136KB

    • memory/656-169-0x0000000005B50000-0x0000000005B5E000-memory.dmp

      Filesize

      56KB

    • memory/656-165-0x00000000072B0000-0x0000000007346000-memory.dmp

      Filesize

      600KB

    • memory/656-163-0x0000000007070000-0x000000000707A000-memory.dmp

      Filesize

      40KB

    • memory/656-160-0x0000000075B10000-0x0000000075B5C000-memory.dmp

      Filesize

      304KB

    • memory/656-149-0x0000000000000000-mapping.dmp

    • memory/656-161-0x0000000006290000-0x00000000062AE000-memory.dmp

      Filesize

      120KB

    • memory/656-159-0x0000000006CB0000-0x0000000006CE2000-memory.dmp

      Filesize

      200KB

    • memory/656-170-0x0000000007210000-0x000000000722A000-memory.dmp

      Filesize

      104KB

    • memory/656-171-0x00000000071F0000-0x00000000071F8000-memory.dmp

      Filesize

      32KB

    • memory/1160-166-0x0000000000000000-mapping.dmp

    • memory/1556-167-0x0000000000000000-mapping.dmp

    • memory/1712-162-0x0000000000000000-mapping.dmp

    • memory/2356-152-0x0000000000400000-0x0000000000731000-memory.dmp

      Filesize

      3.2MB

    • memory/2356-157-0x0000000000400000-0x0000000000731000-memory.dmp

      Filesize

      3.2MB

    • memory/2356-155-0x0000000000400000-0x0000000000731000-memory.dmp

      Filesize

      3.2MB

    • memory/2356-151-0x0000000000000000-mapping.dmp

    • memory/2356-172-0x0000000000400000-0x0000000000731000-memory.dmp

      Filesize

      3.2MB

    • memory/3392-132-0x0000000000000000-mapping.dmp

    • memory/3532-168-0x0000000000000000-mapping.dmp

    • memory/3988-148-0x0000000000000000-mapping.dmp

    • memory/4672-164-0x0000000000000000-mapping.dmp

    • memory/5068-145-0x0000000005080000-0x000000000509E000-memory.dmp

      Filesize

      120KB

    • memory/5068-144-0x0000000005E00000-0x0000000005E66000-memory.dmp

      Filesize

      408KB

    • memory/5068-143-0x0000000005D90000-0x0000000005DF6000-memory.dmp

      Filesize

      408KB

    • memory/5068-146-0x0000000007990000-0x000000000800A000-memory.dmp

      Filesize

      6.5MB

    • memory/5068-142-0x0000000005580000-0x0000000005BA8000-memory.dmp

      Filesize

      6.2MB

    • memory/5068-141-0x0000000002D50000-0x0000000002D86000-memory.dmp

      Filesize

      216KB

    • memory/5068-140-0x0000000000000000-mapping.dmp

    • memory/5068-147-0x0000000006830000-0x000000000684A000-memory.dmp

      Filesize

      104KB