Analysis

  • max time kernel
    140s
  • max time network
    149s
  • 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, 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 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 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:4952
    • 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:4896
      • 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:3268
        • 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:4660
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3544
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4920
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:1444
          • C:\Windows\SysWOW64\Wbem\wmic.exe
            wmic os get Caption
            5⤵
              PID:4604
            • C:\Windows\SysWOW64\cmd.exe
              cmd /C "wmic path win32_VideoController get name"
              5⤵
                PID:3944
                • C:\Windows\SysWOW64\Wbem\WMIC.exe
                  wmic path win32_VideoController get name
                  6⤵
                    PID:1480
                • C:\Windows\SysWOW64\cmd.exe
                  cmd /C "wmic cpu get name"
                  5⤵
                    PID:4792
                    • C:\Windows\SysWOW64\Wbem\WMIC.exe
                      wmic cpu get name
                      6⤵
                        PID:2856

            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

                    9c3f0b0f28d5570daf64da07fda5e8a6

                    SHA1

                    f11e93b8755bb1d493e81adfcb6a56c6d9b01ca7

                    SHA256

                    217a2b7225d0b032e2aab7777af6b3af71d8d4ef0ce697cf84bfac18928faaaf

                    SHA512

                    ca2d67a8889000d8a731d07a0123d615fa15023b4d2113482491f1b3dbe21bf93fb1bfabc74803a2672342248b0c7974fcd54f8562e8d03724d42ee883e26973

                  • 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

                    143.6MB

                    MD5

                    00ddb01a3ca765fafe38e3b01081d6c2

                    SHA1

                    65e3ee48c111e478470e43171b19c4b60d89f088

                    SHA256

                    e4f2bc79420cd97660b2682aae78f2c14ac6fe223ac6a43f151171c31ec83c26

                    SHA512

                    b1cef58388709dd76bc21760248d0938001dc50d852aed8933b57a1d6da904abe074f1ea07b94867938d4e7da90e717e6df8003ddbb53ebe9a68c3b376f7b6e9

                  • memory/1444-156-0x0000000000400000-0x0000000000731000-memory.dmp

                    Filesize

                    3.2MB

                  • memory/1444-172-0x0000000000400000-0x0000000000731000-memory.dmp

                    Filesize

                    3.2MB

                  • memory/1444-155-0x0000000000400000-0x0000000000731000-memory.dmp

                    Filesize

                    3.2MB

                  • memory/1444-152-0x0000000000400000-0x0000000000731000-memory.dmp

                    Filesize

                    3.2MB

                  • memory/3268-139-0x00000000057D0000-0x00000000057F2000-memory.dmp

                    Filesize

                    136KB

                  • memory/3268-138-0x0000000000760000-0x0000000000ED4000-memory.dmp

                    Filesize

                    7.5MB

                  • memory/4660-142-0x0000000004D00000-0x0000000005328000-memory.dmp

                    Filesize

                    6.2MB

                  • memory/4660-143-0x0000000004C70000-0x0000000004CD6000-memory.dmp

                    Filesize

                    408KB

                  • memory/4660-147-0x0000000006000000-0x000000000601A000-memory.dmp

                    Filesize

                    104KB

                  • memory/4660-146-0x0000000007130000-0x00000000077AA000-memory.dmp

                    Filesize

                    6.5MB

                  • memory/4660-145-0x0000000005A90000-0x0000000005AAE000-memory.dmp

                    Filesize

                    120KB

                  • memory/4660-144-0x0000000005460000-0x00000000054C6000-memory.dmp

                    Filesize

                    408KB

                  • memory/4660-141-0x0000000000B10000-0x0000000000B46000-memory.dmp

                    Filesize

                    216KB

                  • memory/4920-163-0x00000000072B0000-0x00000000072BA000-memory.dmp

                    Filesize

                    40KB

                  • memory/4920-164-0x00000000074F0000-0x0000000007586000-memory.dmp

                    Filesize

                    600KB

                  • memory/4920-162-0x0000000006440000-0x000000000645E000-memory.dmp

                    Filesize

                    120KB

                  • memory/4920-161-0x00000000755C0000-0x000000007560C000-memory.dmp

                    Filesize

                    304KB

                  • memory/4920-169-0x0000000005DF0000-0x0000000005DFE000-memory.dmp

                    Filesize

                    56KB

                  • memory/4920-170-0x0000000007450000-0x000000000746A000-memory.dmp

                    Filesize

                    104KB

                  • memory/4920-171-0x0000000007430000-0x0000000007438000-memory.dmp

                    Filesize

                    32KB

                  • memory/4920-160-0x0000000006F30000-0x0000000006F62000-memory.dmp

                    Filesize

                    200KB