Analysis

  • max time kernel
    68s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-02-2023 19:36

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:4324
    • 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:4184
      • 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:5008
        • 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:1076
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3876
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2304
        • 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:3524
          • C:\Windows\SysWOW64\Wbem\wmic.exe
            wmic os get Caption
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1612
          • C:\Windows\SysWOW64\cmd.exe
            cmd /C "wmic path win32_VideoController get name"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:3104
            • C:\Windows\SysWOW64\Wbem\WMIC.exe
              wmic path win32_VideoController get name
              6⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:2816
          • C:\Windows\SysWOW64\cmd.exe
            cmd /C "wmic cpu get name"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:4340
            • C:\Windows\SysWOW64\Wbem\WMIC.exe
              wmic cpu get name
              6⤵
                PID:1272

    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

      5d4bec74b81db4e412cff9225a5b1219

      SHA1

      51744fe90a4d3b564a3db0fe143afb72633b4bc8

      SHA256

      c66181bd303e8043504b6a24084f7e4f3fd0bca2da0c005b28f5e8ba1fd7c86a

      SHA512

      b9bd58e2685d80d46a5f49e50ebff1aa439909c3183881f0e9ec3d1f7c881e86d06db7dcc15fc478e31094cabfb21f9b956328d3ee7afcb991bee9c1cfedcb95

    • 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

      323.6MB

      MD5

      fb3ff31d86a57a07d63e8f40fb658688

      SHA1

      ccc09a67e21859c5d51b2a296f96511aa3feb812

      SHA256

      9884e6e5a9495aa2bdd1238cf613d00a02457d75f7ed321613dd739c2360ec78

      SHA512

      2218fbbe60c3274866a0154235082e7c41533b5577c9d8026415bae8e7dc7de677f9a1d433d0e61b611987424537b3b0e1e143a86fd165d2651048e15885d105

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

      354.7MB

      MD5

      8bcc75535bae404637ec749152bbc7fe

      SHA1

      b0a331740d9ae6ed69c788d2ea1cf74e9fa4b256

      SHA256

      fcc095f6eedc2f84b2dca76d770e78e8fddeb6943fa7190aa1c89b7b7b9e1474

      SHA512

      1338eab56881362b2cec67a37fcc3a7585b5c1de5c0f8e9e3ed57d9feaf2533cc31f4642c19fbc2d7c471661035eac296dfe7ae3b4ed5d46ba1f6daf36932061

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

      253.4MB

      MD5

      e5aebc817e8c09ecf49087e199eb2f78

      SHA1

      3f3a85a37dcd72ba54caa9066088311234eb13e5

      SHA256

      b27ed5525b834e730137daba2e7787bec3622ef96a3e1ae03ab84a8c41aee6e9

      SHA512

      b43ef5193c1a80e8c4245e1e35fb07fd52a9b03b62bcf8f52c85e43174ee51d0134890b7cb37b732def8f431954da0ccbcda418ea33c6438ada1fcd34a211685

    • memory/1076-142-0x0000000005140000-0x0000000005768000-memory.dmp
      Filesize

      6.2MB

    • memory/1076-140-0x0000000000000000-mapping.dmp
    • memory/1076-141-0x0000000002990000-0x00000000029C6000-memory.dmp
      Filesize

      216KB

    • memory/1076-143-0x0000000005770000-0x00000000057D6000-memory.dmp
      Filesize

      408KB

    • memory/1076-144-0x00000000057E0000-0x0000000005846000-memory.dmp
      Filesize

      408KB

    • memory/1076-145-0x0000000005F30000-0x0000000005F4E000-memory.dmp
      Filesize

      120KB

    • memory/1076-147-0x0000000006410000-0x000000000642A000-memory.dmp
      Filesize

      104KB

    • memory/1076-146-0x0000000007990000-0x000000000800A000-memory.dmp
      Filesize

      6.5MB

    • memory/1272-168-0x0000000000000000-mapping.dmp
    • memory/1612-162-0x0000000000000000-mapping.dmp
    • memory/2304-169-0x0000000006790000-0x000000000679E000-memory.dmp
      Filesize

      56KB

    • memory/2304-149-0x0000000000000000-mapping.dmp
    • memory/2304-170-0x0000000007E60000-0x0000000007E7A000-memory.dmp
      Filesize

      104KB

    • memory/2304-171-0x0000000007E40000-0x0000000007E48000-memory.dmp
      Filesize

      32KB

    • memory/2304-164-0x0000000007F00000-0x0000000007F96000-memory.dmp
      Filesize

      600KB

    • memory/2304-163-0x0000000007CD0000-0x0000000007CDA000-memory.dmp
      Filesize

      40KB

    • memory/2304-159-0x0000000007AE0000-0x0000000007B12000-memory.dmp
      Filesize

      200KB

    • memory/2304-160-0x0000000074E50000-0x0000000074E9C000-memory.dmp
      Filesize

      304KB

    • memory/2304-161-0x0000000006EE0000-0x0000000006EFE000-memory.dmp
      Filesize

      120KB

    • memory/2816-166-0x0000000000000000-mapping.dmp
    • memory/3104-165-0x0000000000000000-mapping.dmp
    • memory/3524-151-0x0000000000000000-mapping.dmp
    • memory/3524-158-0x0000000000400000-0x0000000000731000-memory.dmp
      Filesize

      3.2MB

    • memory/3524-156-0x0000000000400000-0x0000000000731000-memory.dmp
      Filesize

      3.2MB

    • memory/3524-153-0x0000000000400000-0x0000000000731000-memory.dmp
      Filesize

      3.2MB

    • memory/3524-172-0x0000000000400000-0x0000000000731000-memory.dmp
      Filesize

      3.2MB

    • memory/3876-148-0x0000000000000000-mapping.dmp
    • memory/4184-132-0x0000000000000000-mapping.dmp
    • memory/4340-167-0x0000000000000000-mapping.dmp
    • memory/5008-135-0x0000000000000000-mapping.dmp
    • memory/5008-138-0x0000000000380000-0x0000000000AF4000-memory.dmp
      Filesize

      7.5MB

    • memory/5008-139-0x0000000006A40000-0x0000000006A62000-memory.dmp
      Filesize

      136KB