Analysis

  • max time kernel
    113s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-02-2023 00:45

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:724
    • 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:2928
      • 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:4032
        • 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:5056
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3824
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:3500
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:4508
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:4380
        • 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:3952
          • C:\Windows\SysWOW64\Wbem\wmic.exe
            wmic os get Caption
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:3488
          • C:\Windows\SysWOW64\cmd.exe
            cmd /C "wmic path win32_VideoController get name"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:4252
            • C:\Windows\SysWOW64\Wbem\WMIC.exe
              wmic path win32_VideoController get name
              6⤵
                PID:4692
            • C:\Windows\SysWOW64\cmd.exe
              cmd /C "wmic cpu get name"
              5⤵
                PID:856
                • C:\Windows\SysWOW64\Wbem\WMIC.exe
                  wmic cpu get name
                  6⤵
                    PID:2208

        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

          1a87c2ed2a7205592e6acbfd5b843506

          SHA1

          000bb63bb0848ec5676e615e3dbb702029fcff56

          SHA256

          aa97b88cf796c3becbedc68d0459e7c39d1a2e6e1d0353a96c9ab456ea39066a

          SHA512

          28c8ed9754023142b14ad0d361794ca243a010e9f20df8fbd72a810287fcdd80107eeccc379609c7e58cdee6725ffd238ca07ce2b86b53608cec08da51244992

        • 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

          288.1MB

          MD5

          7c713d594985fa8d672c38c2a75422e0

          SHA1

          a74b60ccdd8f25659175d3bb5b996b7e416c1b86

          SHA256

          71832972f9c92e2b9d780496cd869634866a8fb0663a0a0f1844bfc56e9176ba

          SHA512

          9b91d267475d1f14f9954a53bb07af42e37b7014dee60ffb0b78f643d580d785184ee09ef56ba814a59be91870ce54cb231a0bc22f04d289bc5650927b64fdaa

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

          286.4MB

          MD5

          d598dc35e8068aeb481f90055e52b5ae

          SHA1

          ed95ab276be133d238422f3af9051ce9ffa00808

          SHA256

          32974d8d0342bb1b6cfc1f61979e2e1ff747d01da94b3007864c51c29a07237b

          SHA512

          c3276f8c36d04110856bf93f73f88a1206a3047837a35322623082a82c977066de87f48cc8d759640d47df233bed0ce5de193e397020db63e260630a2c750f8a

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

          317.5MB

          MD5

          1dcf226f969ae1a84d9cb496d1efe2b5

          SHA1

          6f636fb93435f0ff904a3ad873825baf7c8bff93

          SHA256

          ee9a6ba9de04a1c137680676a18e910c35e3b803cbdc467364c2867aa952af49

          SHA512

          7253eecd3905e0cbbaa45373823ea34fa317a5dda156eab7456836654a3e24fb3af21e8fd1a19d5787613b215c1f6d245b092f35989c05c61a6e1d2de8766aa1

        • memory/856-171-0x0000000000000000-mapping.dmp
        • memory/2208-172-0x0000000000000000-mapping.dmp
        • memory/2928-132-0x0000000000000000-mapping.dmp
        • memory/3488-166-0x0000000000000000-mapping.dmp
        • memory/3500-163-0x0000000006F10000-0x0000000006F42000-memory.dmp
          Filesize

          200KB

        • memory/3500-176-0x0000000007E60000-0x0000000007E68000-memory.dmp
          Filesize

          32KB

        • memory/3500-149-0x0000000000000000-mapping.dmp
        • memory/3500-175-0x0000000007EA0000-0x0000000007EBA000-memory.dmp
          Filesize

          104KB

        • memory/3500-173-0x0000000006450000-0x000000000645E000-memory.dmp
          Filesize

          56KB

        • memory/3500-170-0x0000000007F20000-0x0000000007FB6000-memory.dmp
          Filesize

          600KB

        • memory/3500-167-0x0000000007CF0000-0x0000000007CFA000-memory.dmp
          Filesize

          40KB

        • memory/3500-165-0x0000000006EA0000-0x0000000006EBE000-memory.dmp
          Filesize

          120KB

        • memory/3500-164-0x0000000075650000-0x000000007569C000-memory.dmp
          Filesize

          304KB

        • memory/3824-148-0x0000000000000000-mapping.dmp
        • memory/3952-161-0x0000000000400000-0x0000000000731000-memory.dmp
          Filesize

          3.2MB

        • memory/3952-177-0x0000000000400000-0x0000000000731000-memory.dmp
          Filesize

          3.2MB

        • memory/3952-160-0x0000000000400000-0x0000000000731000-memory.dmp
          Filesize

          3.2MB

        • memory/3952-174-0x0000000000400000-0x0000000000731000-memory.dmp
          Filesize

          3.2MB

        • memory/3952-156-0x0000000000400000-0x0000000000731000-memory.dmp
          Filesize

          3.2MB

        • memory/3952-155-0x0000000000000000-mapping.dmp
        • memory/4032-135-0x0000000000000000-mapping.dmp
        • memory/4032-138-0x00000000009D0000-0x0000000001144000-memory.dmp
          Filesize

          7.5MB

        • memory/4032-139-0x0000000007090000-0x00000000070B2000-memory.dmp
          Filesize

          136KB

        • memory/4252-168-0x0000000000000000-mapping.dmp
        • memory/4380-153-0x0000000000000000-mapping.dmp
        • memory/4508-151-0x0000000000000000-mapping.dmp
        • memory/4692-169-0x0000000000000000-mapping.dmp
        • memory/5056-143-0x0000000005420000-0x0000000005486000-memory.dmp
          Filesize

          408KB

        • memory/5056-144-0x0000000005590000-0x00000000055F6000-memory.dmp
          Filesize

          408KB

        • memory/5056-140-0x0000000000000000-mapping.dmp
        • memory/5056-142-0x00000000056A0000-0x0000000005CC8000-memory.dmp
          Filesize

          6.2MB

        • memory/5056-146-0x0000000007A90000-0x000000000810A000-memory.dmp
          Filesize

          6.5MB

        • memory/5056-145-0x0000000006450000-0x000000000646E000-memory.dmp
          Filesize

          120KB

        • memory/5056-147-0x0000000006950000-0x000000000696A000-memory.dmp
          Filesize

          104KB

        • memory/5056-141-0x0000000002EA0000-0x0000000002ED6000-memory.dmp
          Filesize

          216KB