Analysis

  • max time kernel
    133s
  • max time network
    145s
  • 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 13:30

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 64 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:3416
    • 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:4904
      • 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:4232
        • 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:440
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3136
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1360
        • 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:4060
          • C:\Windows\SysWOW64\Wbem\wmic.exe
            wmic os get Caption
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4784
          • C:\Windows\SysWOW64\cmd.exe
            cmd /C "wmic path win32_VideoController get name"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:4028
            • C:\Windows\SysWOW64\Wbem\WMIC.exe
              wmic path win32_VideoController get name
              6⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:4952
          • C:\Windows\SysWOW64\cmd.exe
            cmd /C "wmic cpu get name"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:3988
            • C:\Windows\SysWOW64\Wbem\WMIC.exe
              wmic cpu get name
              6⤵
                PID:4288

    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

      dfd297889297834010223e53a096df4a

      SHA1

      92c629146c88487924c1a089e7a2d4a6d74da931

      SHA256

      ac4bf2125c77050274a2f46e196f730e01bb5993a228122475f296b359db0f55

      SHA512

      23c88b76e02b6bcfc79444ca9f76363bbe12f89406b24104f2d373210289e4e8f2850b3c455266abad0b61dfe1b092d1e09fb9c9b6ed39f5755d77bb3bef559d

    • 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

      277.5MB

      MD5

      8ba1071950a004ec5c8a303d84544d26

      SHA1

      16c7f07a8abbd3f05c212f5b6ba866451d450c61

      SHA256

      012913f02ba490ad6ba1dae33a200fd32f4aa12a0c53a8ac87f935673b044d7a

      SHA512

      7919f6a71b20058aab0be6f3e0fc730d76459d8f228d502b44dddd2938a5bf2bc1a3b0a0f7984dfcd9a51c1311e2221c8498ff73212eae1029cff5f65dc63e72

    • memory/440-140-0x0000000000000000-mapping.dmp
    • memory/440-141-0x00000000026F0000-0x0000000002726000-memory.dmp
      Filesize

      216KB

    • memory/440-142-0x0000000005010000-0x0000000005638000-memory.dmp
      Filesize

      6.2MB

    • memory/440-143-0x0000000004DA0000-0x0000000004E06000-memory.dmp
      Filesize

      408KB

    • memory/440-144-0x00000000056B0000-0x0000000005716000-memory.dmp
      Filesize

      408KB

    • memory/440-145-0x0000000005CC0000-0x0000000005CDE000-memory.dmp
      Filesize

      120KB

    • memory/440-146-0x0000000007320000-0x000000000799A000-memory.dmp
      Filesize

      6.5MB

    • memory/440-147-0x00000000061D0000-0x00000000061EA000-memory.dmp
      Filesize

      104KB

    • memory/1360-163-0x0000000007500000-0x000000000750A000-memory.dmp
      Filesize

      40KB

    • memory/1360-161-0x0000000073260000-0x00000000732AC000-memory.dmp
      Filesize

      304KB

    • memory/1360-171-0x00000000076B0000-0x00000000076B8000-memory.dmp
      Filesize

      32KB

    • memory/1360-170-0x00000000076D0000-0x00000000076EA000-memory.dmp
      Filesize

      104KB

    • memory/1360-169-0x0000000005FF0000-0x0000000005FFE000-memory.dmp
      Filesize

      56KB

    • memory/1360-149-0x0000000000000000-mapping.dmp
    • memory/1360-166-0x0000000007750000-0x00000000077E6000-memory.dmp
      Filesize

      600KB

    • memory/1360-162-0x0000000006730000-0x000000000674E000-memory.dmp
      Filesize

      120KB

    • memory/1360-160-0x0000000006750000-0x0000000006782000-memory.dmp
      Filesize

      200KB

    • memory/3136-148-0x0000000000000000-mapping.dmp
    • memory/3988-167-0x0000000000000000-mapping.dmp
    • memory/4028-164-0x0000000000000000-mapping.dmp
    • memory/4060-155-0x0000000000400000-0x0000000000731000-memory.dmp
      Filesize

      3.2MB

    • memory/4060-157-0x0000000000400000-0x0000000000731000-memory.dmp
      Filesize

      3.2MB

    • memory/4060-152-0x0000000000400000-0x0000000000731000-memory.dmp
      Filesize

      3.2MB

    • memory/4060-151-0x0000000000000000-mapping.dmp
    • memory/4060-172-0x0000000000400000-0x0000000000731000-memory.dmp
      Filesize

      3.2MB

    • memory/4232-135-0x0000000000000000-mapping.dmp
    • memory/4232-138-0x0000000000770000-0x0000000000EE4000-memory.dmp
      Filesize

      7.5MB

    • memory/4232-139-0x0000000005820000-0x0000000005842000-memory.dmp
      Filesize

      136KB

    • memory/4288-168-0x0000000000000000-mapping.dmp
    • memory/4784-159-0x0000000000000000-mapping.dmp
    • memory/4904-132-0x0000000000000000-mapping.dmp
    • memory/4952-165-0x0000000000000000-mapping.dmp