Analysis

  • max time kernel
    61s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-02-2023 13:32

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
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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 64 IoCs
  • Suspicious use of WriteProcessMemory 47 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:2300
    • 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:3472
      • 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:3360
        • 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:3768
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4968
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4564
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:1536
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:4956
        • 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:4536
          • C:\Windows\SysWOW64\Wbem\wmic.exe
            wmic os get Caption
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:3776
          • C:\Windows\SysWOW64\cmd.exe
            cmd /C "wmic path win32_VideoController get name"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:3356
            • C:\Windows\SysWOW64\Wbem\WMIC.exe
              wmic path win32_VideoController get name
              6⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:4548
          • C:\Windows\SysWOW64\cmd.exe
            cmd /C "wmic cpu get name"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:828
            • C:\Windows\SysWOW64\Wbem\WMIC.exe
              wmic cpu get name
              6⤵
                PID:4884

    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

      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

      e4565a407deeb8eb8ab97fd4bf03b89d

      SHA1

      9cd8bb9df44052a8c2622f11c62defa201897a4b

      SHA256

      a233cbcdc9b1ddcbcefb30463fbad7c617b1418b341ffdf50ec8b2ee1307224e

      SHA512

      6d853b85afda6075b10a1af89dca21eae5e749e0f9c0f85db07e955f3f0ff22583dfa694e0b1174bfddc753c26ee15eda3737f0aaececf0d3356cc907bfdd69c

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\voiceadequovl.exe

      Filesize

      270.5MB

      MD5

      38e2f0e837ed1073eabb0bb2e4d8522d

      SHA1

      d3ffecf867abbde6417d8b4fac7c73074262890b

      SHA256

      bf13a5122130844a8884fdfa13e66201af168fa3c9af2707cb3f859448c725ca

      SHA512

      fd0e2fff420c138fd83da01d38c5aaf77c4e75c3413e0579c66c1349884235e80843135354fa775e44de0e3209546fc3b23d99953a8707d455ed5a27ef0e3c50

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\voiceadequovl.exe

      Filesize

      274.3MB

      MD5

      030d25972cdc70c77659e0199250a3bb

      SHA1

      88933bb0a8eb1c45b19a56df18f045bf9394877f

      SHA256

      7255ac279dac4048ddab7c2d345369a4d2e140dd14405910d5f5375f0d67ec8a

      SHA512

      2a3cd7d8f2d63b07e4c81e48e7587ca3273e4890257fe422af57f12fe6ab69b6becb1cbd73d36a27522debf0857450bf2a1f3337fd6cd8d03cd79637e91e1ed6

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

      Filesize

      265.9MB

      MD5

      1e752412ce36efad6d4998ac66cc8757

      SHA1

      9c3d12ae990d1c7c29ce2ea137730f1ef6e8553d

      SHA256

      f8d312600b4d741e6b42629bd9e7682e0e9278e36b5d32b642204e9c774dcbd0

      SHA512

      9a6e6f26937617fb53012c9a201679145f83aac4676e070f78df09b6ff4cbb8496c32de90ac2ba9e7ebcb911c77c9bd99c45dac28a8ba52fdcd85f0effe11b5d

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

      Filesize

      263.0MB

      MD5

      46812ed4b22121d22690a936afc2b268

      SHA1

      7ba070a3e6c69a289754a8a4dc2ab6eab009ceb7

      SHA256

      a85a3cbda09d3d485cfb0967d45e3ecd8e575394f274aa10377dde07fdf1f4a4

      SHA512

      ea0b845071713158561d42dccc9178ebff519049d1c042e2e257958169d13f6f90024e767e8dc4eeab821183949fddedac15951ecf1d6fd603b1f153a076a219

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

      Filesize

      183.2MB

      MD5

      214f62d903b883da780b0239563f52aa

      SHA1

      72e3e558bde95d38a005416581a1ec89db0a34b2

      SHA256

      63a6ac4e72a5a61623c1ff958dd59f16ec820109bf85ea3910468cb6d8ada129

      SHA512

      b6190fc2ec65be50279e6e41d52213b0755de5c9365c9915656952243417f8b1c2d39780126b7e14ac35f4edc0102f4aff028f9b25eb9c130b45a6c51df4ccb4

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

      Filesize

      184.8MB

      MD5

      010e97d9b79b4bfa6b16e78075afa0e6

      SHA1

      fe1b97287b237784ab3f0d99f184911dccb04d51

      SHA256

      7873f856f8f4f94cf4c4bef89be40a76620f0849e1f118d75c80b265c6a11888

      SHA512

      fb3bdd08962675346e8200344b62ae6ef448c1620e0c4fdcdaaccc2a92b38597f2f4ab8a0f8c6e18c64e6c2bac694db526dcf1abd47c50b6787cab6fffeaee03

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

      Filesize

      197.3MB

      MD5

      507d75510baf312db93ea3915df2f406

      SHA1

      7f65a7ebb317a9ce1d555b0ae62ef7fcd256aa2a

      SHA256

      acb1a9edda48fef2b439240fe9f6200214ea42493bf4013602480a43418eb01d

      SHA512

      bb7b36d4d53ae97a397ccf8f217afdc1f4742896ee45ce283a30d4518349ab6390efdd8759888760721542b0175f475a879fcf4fefcae3e0eb76882dd33661c8

    • memory/828-171-0x0000000000000000-mapping.dmp

    • memory/1536-151-0x0000000000000000-mapping.dmp

    • memory/3356-168-0x0000000000000000-mapping.dmp

    • memory/3360-138-0x0000000000C40000-0x00000000013B4000-memory.dmp

      Filesize

      7.5MB

    • memory/3360-139-0x00000000071C0000-0x00000000071E2000-memory.dmp

      Filesize

      136KB

    • memory/3360-135-0x0000000000000000-mapping.dmp

    • memory/3472-132-0x0000000000000000-mapping.dmp

    • memory/3768-143-0x00000000053C0000-0x0000000005426000-memory.dmp

      Filesize

      408KB

    • memory/3768-144-0x0000000005AA0000-0x0000000005B06000-memory.dmp

      Filesize

      408KB

    • memory/3768-141-0x0000000002AF0000-0x0000000002B26000-memory.dmp

      Filesize

      216KB

    • memory/3768-147-0x00000000065C0000-0x00000000065DA000-memory.dmp

      Filesize

      104KB

    • memory/3768-140-0x0000000000000000-mapping.dmp

    • memory/3768-146-0x0000000007930000-0x0000000007FAA000-memory.dmp

      Filesize

      6.5MB

    • memory/3768-142-0x0000000005470000-0x0000000005A98000-memory.dmp

      Filesize

      6.2MB

    • memory/3768-145-0x00000000060E0000-0x00000000060FE000-memory.dmp

      Filesize

      120KB

    • memory/3776-165-0x0000000000000000-mapping.dmp

    • memory/4536-159-0x0000000000400000-0x0000000000731000-memory.dmp

      Filesize

      3.2MB

    • memory/4536-156-0x0000000000400000-0x0000000000731000-memory.dmp

      Filesize

      3.2MB

    • memory/4536-161-0x0000000000400000-0x0000000000731000-memory.dmp

      Filesize

      3.2MB

    • memory/4536-155-0x0000000000000000-mapping.dmp

    • memory/4536-176-0x0000000000400000-0x0000000000731000-memory.dmp

      Filesize

      3.2MB

    • memory/4548-170-0x0000000000000000-mapping.dmp

    • memory/4564-163-0x0000000006AA0000-0x0000000006AD2000-memory.dmp

      Filesize

      200KB

    • memory/4564-166-0x0000000006060000-0x000000000607E000-memory.dmp

      Filesize

      120KB

    • memory/4564-167-0x0000000006E60000-0x0000000006E6A000-memory.dmp

      Filesize

      40KB

    • memory/4564-164-0x0000000075AD0000-0x0000000075B1C000-memory.dmp

      Filesize

      304KB

    • memory/4564-169-0x00000000070B0000-0x0000000007146000-memory.dmp

      Filesize

      600KB

    • memory/4564-149-0x0000000000000000-mapping.dmp

    • memory/4564-173-0x0000000005920000-0x000000000592E000-memory.dmp

      Filesize

      56KB

    • memory/4564-174-0x0000000007010000-0x000000000702A000-memory.dmp

      Filesize

      104KB

    • memory/4564-175-0x0000000006FF0000-0x0000000006FF8000-memory.dmp

      Filesize

      32KB

    • memory/4884-172-0x0000000000000000-mapping.dmp

    • memory/4956-153-0x0000000000000000-mapping.dmp

    • memory/4968-148-0x0000000000000000-mapping.dmp