Analysis

  • max time kernel
    140s
  • max time network
    151s
  • 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 13:17

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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 26 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:4992
    • 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:1816
      • 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:4584
        • 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:4252
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1004
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:3736
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:1448
          • C:\Windows\SysWOW64\Wbem\wmic.exe
            wmic os get Caption
            5⤵
              PID:1684
            • C:\Windows\SysWOW64\cmd.exe
              cmd /C "wmic path win32_VideoController get name"
              5⤵
                PID:3756
                • C:\Windows\SysWOW64\Wbem\WMIC.exe
                  wmic path win32_VideoController get name
                  6⤵
                    PID:4508
                • C:\Windows\SysWOW64\cmd.exe
                  cmd /C "wmic cpu get name"
                  5⤵
                    PID:2212
                    • C:\Windows\SysWOW64\Wbem\WMIC.exe
                      wmic cpu get name
                      6⤵
                        PID:3612

            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

              b56d5f7d22025802e44e1a248ea21929

              SHA1

              f4cc751afcbe3b8bd0d556acb172dc135d775a67

              SHA256

              ce61ce814d3f254a9ebea1a4b3d77c620c7ab35f65733d022547bbc4a98969c4

              SHA512

              e11be1116e5c8f7e5529be8fa8d12c188bd390e8c0b74d6be31a9433225a0b6fb26131ad2e619bb878574df982fb0acd70e91f935346da1b4f5f6469636c1eec

            • 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

              118.4MB

              MD5

              5a4310e3f05a641a751cd1494bf6f059

              SHA1

              10e712f28b69eb1457c49e8df597adf4638b7b31

              SHA256

              61aeff733cc66832ad88298718e9a4b7950576ebd656d78ff32034d7b8ef6f4b

              SHA512

              177a8515499da044fdbcfeb8c820028f8a19f2c07d8712c969f9a1d42cf30de8c954325be23e2e9661463003efa2a0bd0f690c1198da48ab0e80dd169033e09b

            • memory/1004-148-0x0000000000000000-mapping.dmp
            • memory/1448-157-0x0000000000400000-0x0000000000731000-memory.dmp
              Filesize

              3.2MB

            • memory/1448-152-0x0000000000400000-0x0000000000731000-memory.dmp
              Filesize

              3.2MB

            • memory/1448-155-0x0000000000400000-0x0000000000731000-memory.dmp
              Filesize

              3.2MB

            • memory/1448-172-0x0000000000400000-0x0000000000731000-memory.dmp
              Filesize

              3.2MB

            • memory/1448-151-0x0000000000000000-mapping.dmp
            • memory/1684-159-0x0000000000000000-mapping.dmp
            • memory/1816-132-0x0000000000000000-mapping.dmp
            • memory/2212-166-0x0000000000000000-mapping.dmp
            • memory/3612-167-0x0000000000000000-mapping.dmp
            • memory/3736-171-0x0000000007880000-0x0000000007888000-memory.dmp
              Filesize

              32KB

            • memory/3736-149-0x0000000000000000-mapping.dmp
            • memory/3736-161-0x0000000075720000-0x000000007576C000-memory.dmp
              Filesize

              304KB

            • memory/3736-162-0x00000000068B0000-0x00000000068CE000-memory.dmp
              Filesize

              120KB

            • memory/3736-165-0x0000000007700000-0x000000000770A000-memory.dmp
              Filesize

              40KB

            • memory/3736-168-0x0000000007940000-0x00000000079D6000-memory.dmp
              Filesize

              600KB

            • memory/3736-169-0x00000000061D0000-0x00000000061DE000-memory.dmp
              Filesize

              56KB

            • memory/3736-170-0x00000000078A0000-0x00000000078BA000-memory.dmp
              Filesize

              104KB

            • memory/3736-160-0x0000000007360000-0x0000000007392000-memory.dmp
              Filesize

              200KB

            • memory/3756-163-0x0000000000000000-mapping.dmp
            • memory/4252-147-0x0000000006C60000-0x0000000006C7A000-memory.dmp
              Filesize

              104KB

            • memory/4252-146-0x0000000007E30000-0x00000000084AA000-memory.dmp
              Filesize

              6.5MB

            • memory/4252-145-0x0000000006770000-0x000000000678E000-memory.dmp
              Filesize

              120KB

            • memory/4252-143-0x0000000006070000-0x00000000060D6000-memory.dmp
              Filesize

              408KB

            • memory/4252-144-0x00000000060E0000-0x0000000006146000-memory.dmp
              Filesize

              408KB

            • memory/4252-142-0x0000000005950000-0x0000000005F78000-memory.dmp
              Filesize

              6.2MB

            • memory/4252-141-0x00000000051A0000-0x00000000051D6000-memory.dmp
              Filesize

              216KB

            • memory/4252-140-0x0000000000000000-mapping.dmp
            • memory/4508-164-0x0000000000000000-mapping.dmp
            • memory/4584-139-0x0000000006BB0000-0x0000000006BD2000-memory.dmp
              Filesize

              136KB

            • memory/4584-138-0x00000000004A0000-0x0000000000C14000-memory.dmp
              Filesize

              7.5MB

            • memory/4584-135-0x0000000000000000-mapping.dmp