Analysis

  • max time kernel
    84s
  • max time network
    151s
  • 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 01:15

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 45 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: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:744
      • 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:4892
        • 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:32
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3888
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:3532
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:1248
        • 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:2732
          • C:\Windows\SysWOW64\Wbem\wmic.exe
            wmic os get Caption
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:616
          • C:\Windows\SysWOW64\cmd.exe
            cmd /C "wmic path win32_VideoController get name"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1404
            • C:\Windows\SysWOW64\Wbem\WMIC.exe
              wmic path win32_VideoController get name
              6⤵
                PID:2676
            • C:\Windows\SysWOW64\cmd.exe
              cmd /C "wmic cpu get name"
              5⤵
                PID:916
                • C:\Windows\SysWOW64\Wbem\WMIC.exe
                  wmic cpu get name
                  6⤵
                    PID:4092
              • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
                C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
                4⤵
                • Executes dropped EXE
                PID:3240

        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

          978e7a09880d871d307a4f1115e432bb

          SHA1

          8984b34c32fb93be6cdf57c4979b057a8b269e20

          SHA256

          d0f8cd45a9f30d6ac0af75796a44e3ff1d7cd9bdeaa568f740c6d441779783f9

          SHA512

          5ea4e5ba4e4d6dcecf6ccc46e19e871ba78b52fc12e66c54f6035db93529cb620519a473bb47a9ed5edadb5699d208f2d6769dd09df5380118a933904ba2bcf1

        • 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

          358.5MB

          MD5

          01cb88d3ffb38a7ef134c61983960c76

          SHA1

          c24e0f84637e31069f5dc89c3debcf5f127d7025

          SHA256

          06e7ff8d4d2ab602d0d078f3be878774dae311af8238a0b47ae31e86198a82b0

          SHA512

          4d26218b9dc893139e2d3011d3cd3fec115a2713a3854c970e970f2b9db6b1c2db493e43f947318eb9a7b0a75ae662e82f331e94bf0e01bb7c55ad4a54698cac

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

          248.2MB

          MD5

          f60f515f3eef637d3ae0b6af1eb8ac31

          SHA1

          e809531f495ec088750a6b20aa24a1a71a474409

          SHA256

          4a1d68c3336bf86ba46637c5cbc22bdb996177221d5a5329538e0fda160e2316

          SHA512

          1f9e5dfc59a5aba10e131e942ec86f72f0b6c99f3697f27a2842b606fac72a6d6765d128d9f9cf9119d404f352e0148c9a5b30d7e79beb2d30c8cbc0e1f7d514

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

          244.1MB

          MD5

          38a283b41e5018db647f26cfc187b166

          SHA1

          85dabf1388a7c952389a2431d27d654a95f477ed

          SHA256

          837d2bb5588610a80df7d8edaa64fc33954924634150036bf2ac26825875fb32

          SHA512

          8499e319bd28d6d333552c1fb2862489bb2b1f9666e20730c6efe5ef085ad4c5df51318c2a56b71cd325eb0cc78b2134fb0920279def45f350f863f8035a44f4

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

          141.8MB

          MD5

          b145cd307d28dc6d3964903f3662376d

          SHA1

          affc82b56dc483298f159554603b961b13d72473

          SHA256

          1c697c41453c54d878b83055debd85673d3d4976cd52bfce4cb41ad20cf24b83

          SHA512

          c16131adca20044d38d6bbcc0ebaf1552557403977cacf20e1c13d0b2309e73d73fea79f36993b2a58907cba3bd027d7b6574dad1143e5f7ebe14f569c730a0f

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

          139.8MB

          MD5

          4dbdaa69040db8dba325a441178f4e89

          SHA1

          d689e9455230f723ff1bb219f6e1165f574193b9

          SHA256

          3865dba13d5670984bfafe4d87f30a106c34e31fba0d81dddb1b4f6dc836372c

          SHA512

          adfee94215ba5e6d1034e50c812e7697990b5e7816a2dc561990c7b9d4c1ac302c0c3e996c608aea7ab0acfb063bde5fb49d84d27c5906d522196a2b03b1964e

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

          140.4MB

          MD5

          21b882a4486e94d313dc225a74ab531a

          SHA1

          1c3728e0a9af24621cc7791cadef48a8204bd018

          SHA256

          c41e47b8a54ccc75d96a5d51da5742f700eddbfeb171b2bb1d787ed1e127119f

          SHA512

          99015a3a3663789c5aad3909298461656390759e24dbb565d38720781212b2a8b47790e6216bf6c9c278df9dbdcd1628ba269333c79a20b78a4c293509a7bf2c

        • memory/32-144-0x00000000053E0000-0x0000000005446000-memory.dmp
          Filesize

          408KB

        • memory/32-141-0x0000000002480000-0x00000000024B6000-memory.dmp
          Filesize

          216KB

        • memory/32-142-0x0000000004CD0000-0x00000000052F8000-memory.dmp
          Filesize

          6.2MB

        • memory/32-145-0x0000000005A60000-0x0000000005A7E000-memory.dmp
          Filesize

          120KB

        • memory/32-146-0x00000000070D0000-0x000000000774A000-memory.dmp
          Filesize

          6.5MB

        • memory/32-147-0x0000000005F50000-0x0000000005F6A000-memory.dmp
          Filesize

          104KB

        • memory/32-140-0x0000000000000000-mapping.dmp
        • memory/32-143-0x0000000005370000-0x00000000053D6000-memory.dmp
          Filesize

          408KB

        • memory/616-167-0x0000000000000000-mapping.dmp
        • memory/744-132-0x0000000000000000-mapping.dmp
        • memory/916-174-0x0000000000000000-mapping.dmp
        • memory/1248-151-0x0000000000000000-mapping.dmp
        • memory/1404-169-0x0000000000000000-mapping.dmp
        • memory/2676-170-0x0000000000000000-mapping.dmp
        • memory/2732-155-0x0000000000000000-mapping.dmp
        • memory/2732-156-0x0000000000400000-0x0000000000731000-memory.dmp
          Filesize

          3.2MB

        • memory/2732-159-0x0000000000400000-0x0000000000731000-memory.dmp
          Filesize

          3.2MB

        • memory/2732-161-0x0000000000400000-0x0000000000731000-memory.dmp
          Filesize

          3.2MB

        • memory/2732-176-0x0000000000400000-0x0000000000731000-memory.dmp
          Filesize

          3.2MB

        • memory/3240-153-0x0000000000000000-mapping.dmp
        • memory/3532-166-0x0000000007030000-0x000000000703A000-memory.dmp
          Filesize

          40KB

        • memory/3532-171-0x00000000056E0000-0x00000000056EE000-memory.dmp
          Filesize

          56KB

        • memory/3532-164-0x0000000070D90000-0x0000000070DDC000-memory.dmp
          Filesize

          304KB

        • memory/3532-163-0x0000000006250000-0x0000000006282000-memory.dmp
          Filesize

          200KB

        • memory/3532-168-0x0000000007270000-0x0000000007306000-memory.dmp
          Filesize

          600KB

        • memory/3532-149-0x0000000000000000-mapping.dmp
        • memory/3532-173-0x00000000071D0000-0x00000000071D8000-memory.dmp
          Filesize

          32KB

        • memory/3532-165-0x0000000006230000-0x000000000624E000-memory.dmp
          Filesize

          120KB

        • memory/3532-172-0x00000000071F0000-0x000000000720A000-memory.dmp
          Filesize

          104KB

        • memory/3888-148-0x0000000000000000-mapping.dmp
        • memory/4092-175-0x0000000000000000-mapping.dmp
        • memory/4892-138-0x0000000000A30000-0x00000000011A4000-memory.dmp
          Filesize

          7.5MB

        • memory/4892-139-0x00000000070F0000-0x0000000007112000-memory.dmp
          Filesize

          136KB

        • memory/4892-135-0x0000000000000000-mapping.dmp