Analysis

  • max time kernel
    128s
  • max time network
    152s
  • 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 13:08

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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 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:4304
    • 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:4892
      • 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 behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4376
        • 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:4400
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3068
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:3708
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:2524
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
            PID:4448
          • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
            C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
            4⤵
              PID:4444
              • C:\Windows\SysWOW64\Wbem\wmic.exe
                wmic os get Caption
                5⤵
                  PID:3568
                • C:\Windows\SysWOW64\cmd.exe
                  cmd /C "wmic path win32_VideoController get name"
                  5⤵
                    PID:4724
                    • C:\Windows\SysWOW64\Wbem\WMIC.exe
                      wmic path win32_VideoController get name
                      6⤵
                        PID:4028
                    • C:\Windows\SysWOW64\cmd.exe
                      cmd /C "wmic cpu get name"
                      5⤵
                        PID:2932
                        • C:\Windows\SysWOW64\Wbem\WMIC.exe
                          wmic cpu get name
                          6⤵
                            PID:3452

                Network

                MITRE ATT&CK Enterprise v6

                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

                  4579318720063c64be01cd7dfecc57de

                  SHA1

                  2bd9b73b6e7fb23f0dc83a468932b3981a2e3250

                  SHA256

                  031d1043e5865eedcff04c05b3d19414bd84eaac036815a2e11fa90ca4b985af

                  SHA512

                  4de936e199851660730d818be9cbdac2e433b535564e96d0b3237e687e85f779e0b0419bc9359f2b1685d103b4af898f41ee75ea9bbb6fff7961ef8165381fb8

                • 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

                  116.9MB

                  MD5

                  80b9d1570f2e6ad629f3864427692b73

                  SHA1

                  6b713513063a8bff32379122c0a8c54b77a2ba94

                  SHA256

                  4682e2fd0e800391736d884d50a8b5656478fca459d023ed9261d222578c3ca3

                  SHA512

                  640f31ddcfd4502f7dff7a2012eacbb460af71a5d4c6f5980638f8aa136c36de548d7116c103a983bc0e6502895cb1f5bf09de6e0dedfcc817aed0c6b99c9f24

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

                  Filesize

                  117.8MB

                  MD5

                  f0afa9827760b9e259e363eb61a45fdc

                  SHA1

                  4e3a6e4a35e82dea8f0507b690a66a14131d13a0

                  SHA256

                  c65f0cfe6547027f0b1fb78ac5eb85f1e81b1c42b94a2aa1734a9d361f0c1825

                  SHA512

                  68d356257775e1ac248a90551605731bbb3f3ba49b0ad32a8a1566c1a272089bfd57a1984ae93710cba66d48956455f874ccff42ea7377b623bf91023ad80ec3

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

                  Filesize

                  107.3MB

                  MD5

                  26501984a920fedeafbda69a23fe4cf4

                  SHA1

                  de06a99508f3737e01fdf148a8c1d23e006cf814

                  SHA256

                  42cf2e06dbf37b9b01cf83725be8f7ef8e4ad65e360ff1524bdb8da44bf9e603

                  SHA512

                  93cda251f8b9afb07fe5ed51a1b2ed09d5b8117c723a14492dd88215b15e3ea50f8869eb1319e659030bd87e07cfdb627c1e4efdbf7f2bfbbfcdb016a921b4e2

                • memory/2524-151-0x0000000000000000-mapping.dmp

                • memory/2932-171-0x0000000000000000-mapping.dmp

                • memory/3068-148-0x0000000000000000-mapping.dmp

                • memory/3452-172-0x0000000000000000-mapping.dmp

                • memory/3568-163-0x0000000000000000-mapping.dmp

                • memory/3708-149-0x0000000000000000-mapping.dmp

                • memory/3708-169-0x0000000006FC0000-0x0000000007056000-memory.dmp

                  Filesize

                  600KB

                • memory/3708-167-0x0000000006DC0000-0x0000000006DCA000-memory.dmp

                  Filesize

                  40KB

                • memory/3708-166-0x0000000005FF0000-0x000000000600E000-memory.dmp

                  Filesize

                  120KB

                • memory/3708-165-0x00000000753E0000-0x000000007542C000-memory.dmp

                  Filesize

                  304KB

                • memory/3708-164-0x0000000006C30000-0x0000000006C62000-memory.dmp

                  Filesize

                  200KB

                • memory/4028-170-0x0000000000000000-mapping.dmp

                • memory/4376-139-0x0000000006840000-0x0000000006862000-memory.dmp

                  Filesize

                  136KB

                • memory/4376-135-0x0000000000000000-mapping.dmp

                • memory/4376-138-0x0000000000150000-0x00000000008C4000-memory.dmp

                  Filesize

                  7.5MB

                • memory/4400-140-0x0000000000000000-mapping.dmp

                • memory/4400-143-0x00000000059C0000-0x0000000005A26000-memory.dmp

                  Filesize

                  408KB

                • memory/4400-147-0x0000000006730000-0x000000000674A000-memory.dmp

                  Filesize

                  104KB

                • memory/4400-146-0x0000000007B30000-0x00000000081AA000-memory.dmp

                  Filesize

                  6.5MB

                • memory/4400-145-0x00000000062A0000-0x00000000062BE000-memory.dmp

                  Filesize

                  120KB

                • memory/4400-144-0x0000000005B30000-0x0000000005B96000-memory.dmp

                  Filesize

                  408KB

                • memory/4400-141-0x0000000004D20000-0x0000000004D56000-memory.dmp

                  Filesize

                  216KB

                • memory/4400-142-0x0000000005390000-0x00000000059B8000-memory.dmp

                  Filesize

                  6.2MB

                • memory/4444-159-0x0000000000400000-0x0000000000731000-memory.dmp

                  Filesize

                  3.2MB

                • memory/4444-155-0x0000000000000000-mapping.dmp

                • memory/4444-156-0x0000000000400000-0x0000000000731000-memory.dmp

                  Filesize

                  3.2MB

                • memory/4444-161-0x0000000000400000-0x0000000000731000-memory.dmp

                  Filesize

                  3.2MB

                • memory/4448-153-0x0000000000000000-mapping.dmp

                • memory/4724-168-0x0000000000000000-mapping.dmp

                • memory/4892-132-0x0000000000000000-mapping.dmp