Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-12-2022 20:21

General

  • Target

    cf70b739c8248dd6c8a69bd9fdc1610b2a590a6cf03fa2cd1e80901f7892da0d.exe

  • Size

    255KB

  • MD5

    bf7a1064534e4a982fd046500aeac179

  • SHA1

    dac39c83c573a5ab56bfcd996f59a2e5c41e2588

  • SHA256

    cf70b739c8248dd6c8a69bd9fdc1610b2a590a6cf03fa2cd1e80901f7892da0d

  • SHA512

    dd80625d646c1d22121019e8a9d676c53b48883dba7e31b88df51ceb4142b9fe89dcdce2db4aecf64ba61e6f6493e6d16b813473904832343011569fcde45b8e

  • SSDEEP

    3072:o5aX4uYV1LUkJaSKmRC67c0yKLTuZjD/8pX5EkcEUIymqfh8mJH27hZY:F4JLUzSK967Ny8CZjDS5Ek8CKmmkZY

Malware Config

Extracted

Family

aurora

C2

45.15.156.97:8081

Signatures

  • Aurora

    Aurora is a crypto wallet stealer written in Golang.

  • Detects Smokeloader packer 1 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Downloads MZ/PE file
  • Executes dropped EXE 5 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 8 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 54 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cf70b739c8248dd6c8a69bd9fdc1610b2a590a6cf03fa2cd1e80901f7892da0d.exe
    "C:\Users\Admin\AppData\Local\Temp\cf70b739c8248dd6c8a69bd9fdc1610b2a590a6cf03fa2cd1e80901f7892da0d.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:4800
  • C:\Users\Admin\AppData\Local\Temp\D46C.exe
    C:\Users\Admin\AppData\Local\Temp\D46C.exe
    1⤵
    • Executes dropped EXE
    PID:4012
  • C:\Users\Admin\AppData\Local\Temp\D71C.exe
    C:\Users\Admin\AppData\Local\Temp\D71C.exe
    1⤵
    • Executes dropped EXE
    PID:4984
  • C:\Users\Admin\AppData\Local\Temp\D9FB.exe
    C:\Users\Admin\AppData\Local\Temp\D9FB.exe
    1⤵
    • Executes dropped EXE
    PID:4368
  • C:\Users\Admin\AppData\Local\Temp\DECF.exe
    C:\Users\Admin\AppData\Local\Temp\DECF.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Checks SCSI registry key(s)
    PID:2072
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 868
      2⤵
      • Program crash
      PID:3864
  • C:\Users\Admin\AppData\Local\Temp\E44E.exe
    C:\Users\Admin\AppData\Local\Temp\E44E.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:3696
    • C:\Windows\System32\Wbem\wmic.exe
      wmic os get Caption
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4164
    • C:\Windows\system32\cmd.exe
      cmd /C "wmic path win32_VideoController get name"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2200
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic path win32_VideoController get name
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:384
    • C:\Windows\system32\cmd.exe
      cmd /C "wmic cpu get name"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2364
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic cpu get name
        3⤵
          PID:2108
    • C:\Windows\SysWOW64\explorer.exe
      C:\Windows\SysWOW64\explorer.exe
      1⤵
        PID:3576
      • C:\Windows\explorer.exe
        C:\Windows\explorer.exe
        1⤵
          PID:4288
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          1⤵
            PID:2136
          • C:\Windows\explorer.exe
            C:\Windows\explorer.exe
            1⤵
              PID:2324
            • C:\Windows\SysWOW64\explorer.exe
              C:\Windows\SysWOW64\explorer.exe
              1⤵
                PID:2832
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:1008
                • C:\Windows\SysWOW64\explorer.exe
                  C:\Windows\SysWOW64\explorer.exe
                  1⤵
                    PID:792
                  • C:\Windows\explorer.exe
                    C:\Windows\explorer.exe
                    1⤵
                      PID:3920
                    • C:\Windows\SysWOW64\explorer.exe
                      C:\Windows\SysWOW64\explorer.exe
                      1⤵
                        PID:4224
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2072 -ip 2072
                        1⤵
                          PID:1220

                        Network

                        MITRE ATT&CK Enterprise v6

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • C:\Users\Admin\AppData\Local\Temp\D46C.exe

                          Filesize

                          4KB

                          MD5

                          9748489855d9dd82ab09da5e3e55b19e

                          SHA1

                          6ed2bf6a1a53a59cd2137812cb43b5032817f6a1

                          SHA256

                          05bdd09d934144589f7b90ac4ef6e8d7743c35f551219d98bc7fc933f98a157b

                          SHA512

                          7eebbc3e42aad1af304ba38ca0c74e5f2293a630d98d4cfd48957f5f288bcb52cf323421c2b166e3b459450d5ef024167f8729b7b4b66651a34c3c3d4581a2be

                        • C:\Users\Admin\AppData\Local\Temp\D46C.exe

                          Filesize

                          4KB

                          MD5

                          9748489855d9dd82ab09da5e3e55b19e

                          SHA1

                          6ed2bf6a1a53a59cd2137812cb43b5032817f6a1

                          SHA256

                          05bdd09d934144589f7b90ac4ef6e8d7743c35f551219d98bc7fc933f98a157b

                          SHA512

                          7eebbc3e42aad1af304ba38ca0c74e5f2293a630d98d4cfd48957f5f288bcb52cf323421c2b166e3b459450d5ef024167f8729b7b4b66651a34c3c3d4581a2be

                        • C:\Users\Admin\AppData\Local\Temp\D71C.exe

                          Filesize

                          4KB

                          MD5

                          9748489855d9dd82ab09da5e3e55b19e

                          SHA1

                          6ed2bf6a1a53a59cd2137812cb43b5032817f6a1

                          SHA256

                          05bdd09d934144589f7b90ac4ef6e8d7743c35f551219d98bc7fc933f98a157b

                          SHA512

                          7eebbc3e42aad1af304ba38ca0c74e5f2293a630d98d4cfd48957f5f288bcb52cf323421c2b166e3b459450d5ef024167f8729b7b4b66651a34c3c3d4581a2be

                        • C:\Users\Admin\AppData\Local\Temp\D71C.exe

                          Filesize

                          4KB

                          MD5

                          9748489855d9dd82ab09da5e3e55b19e

                          SHA1

                          6ed2bf6a1a53a59cd2137812cb43b5032817f6a1

                          SHA256

                          05bdd09d934144589f7b90ac4ef6e8d7743c35f551219d98bc7fc933f98a157b

                          SHA512

                          7eebbc3e42aad1af304ba38ca0c74e5f2293a630d98d4cfd48957f5f288bcb52cf323421c2b166e3b459450d5ef024167f8729b7b4b66651a34c3c3d4581a2be

                        • C:\Users\Admin\AppData\Local\Temp\D9FB.exe

                          Filesize

                          4KB

                          MD5

                          9748489855d9dd82ab09da5e3e55b19e

                          SHA1

                          6ed2bf6a1a53a59cd2137812cb43b5032817f6a1

                          SHA256

                          05bdd09d934144589f7b90ac4ef6e8d7743c35f551219d98bc7fc933f98a157b

                          SHA512

                          7eebbc3e42aad1af304ba38ca0c74e5f2293a630d98d4cfd48957f5f288bcb52cf323421c2b166e3b459450d5ef024167f8729b7b4b66651a34c3c3d4581a2be

                        • C:\Users\Admin\AppData\Local\Temp\D9FB.exe

                          Filesize

                          4KB

                          MD5

                          9748489855d9dd82ab09da5e3e55b19e

                          SHA1

                          6ed2bf6a1a53a59cd2137812cb43b5032817f6a1

                          SHA256

                          05bdd09d934144589f7b90ac4ef6e8d7743c35f551219d98bc7fc933f98a157b

                          SHA512

                          7eebbc3e42aad1af304ba38ca0c74e5f2293a630d98d4cfd48957f5f288bcb52cf323421c2b166e3b459450d5ef024167f8729b7b4b66651a34c3c3d4581a2be

                        • C:\Users\Admin\AppData\Local\Temp\DECF.exe

                          Filesize

                          391KB

                          MD5

                          32ff11fcbf02b62dcad355079d5e16bc

                          SHA1

                          9aba77828bad17c19be8241272ff245878baef72

                          SHA256

                          8a96b82fcd6dd526678e4cec01dae6ee403a033594822ab487ced1b571094be2

                          SHA512

                          4f2766aed94ca825c585f7c89bf332ed46ccf1aff4b4923fd32464f321dd9ffc7c2b34bc95154378e238d9988811a8d869f2c30e0b74cd3bd97229be0223724d

                        • C:\Users\Admin\AppData\Local\Temp\DECF.exe

                          Filesize

                          391KB

                          MD5

                          32ff11fcbf02b62dcad355079d5e16bc

                          SHA1

                          9aba77828bad17c19be8241272ff245878baef72

                          SHA256

                          8a96b82fcd6dd526678e4cec01dae6ee403a033594822ab487ced1b571094be2

                          SHA512

                          4f2766aed94ca825c585f7c89bf332ed46ccf1aff4b4923fd32464f321dd9ffc7c2b34bc95154378e238d9988811a8d869f2c30e0b74cd3bd97229be0223724d

                        • C:\Users\Admin\AppData\Local\Temp\E44E.exe

                          Filesize

                          960KB

                          MD5

                          fb2021ecab72d6199c4125078070e0b9

                          SHA1

                          26f496166498db29ef8981057b6cc82a5677e4cc

                          SHA256

                          19ff750819058dbeb6888e6ad508f181c9e7aa97bd0f40b7f9784f464dd8722c

                          SHA512

                          a49637cb25d394a119b3dc7ffa77211f6f3cce3d1b304edcbfac2b8c676854d61f632bc805e4b36cfddf30f4a77398511672917169f5e7ee44c35c67803ddf48

                        • C:\Users\Admin\AppData\Local\Temp\E44E.exe

                          Filesize

                          960KB

                          MD5

                          fb2021ecab72d6199c4125078070e0b9

                          SHA1

                          26f496166498db29ef8981057b6cc82a5677e4cc

                          SHA256

                          19ff750819058dbeb6888e6ad508f181c9e7aa97bd0f40b7f9784f464dd8722c

                          SHA512

                          a49637cb25d394a119b3dc7ffa77211f6f3cce3d1b304edcbfac2b8c676854d61f632bc805e4b36cfddf30f4a77398511672917169f5e7ee44c35c67803ddf48

                        • memory/792-186-0x0000000001210000-0x000000000121B000-memory.dmp

                          Filesize

                          44KB

                        • memory/792-185-0x0000000001220000-0x0000000001226000-memory.dmp

                          Filesize

                          24KB

                        • memory/792-202-0x0000000001220000-0x0000000001226000-memory.dmp

                          Filesize

                          24KB

                        • memory/1008-201-0x0000000001220000-0x0000000001225000-memory.dmp

                          Filesize

                          20KB

                        • memory/1008-183-0x0000000001210000-0x0000000001219000-memory.dmp

                          Filesize

                          36KB

                        • memory/1008-182-0x0000000001220000-0x0000000001225000-memory.dmp

                          Filesize

                          20KB

                        • memory/2072-162-0x0000000000400000-0x0000000000480000-memory.dmp

                          Filesize

                          512KB

                        • memory/2072-177-0x0000000000620000-0x000000000063D000-memory.dmp

                          Filesize

                          116KB

                        • memory/2072-194-0x0000000000400000-0x0000000000480000-memory.dmp

                          Filesize

                          512KB

                        • memory/2072-193-0x00000000006C9000-0x00000000006F1000-memory.dmp

                          Filesize

                          160KB

                        • memory/2072-178-0x0000000002730000-0x0000000003730000-memory.dmp

                          Filesize

                          16.0MB

                        • memory/2072-160-0x00000000006C9000-0x00000000006F1000-memory.dmp

                          Filesize

                          160KB

                        • memory/2072-161-0x00000000005D0000-0x0000000000604000-memory.dmp

                          Filesize

                          208KB

                        • memory/2136-172-0x0000000000F10000-0x0000000000F19000-memory.dmp

                          Filesize

                          36KB

                        • memory/2136-198-0x0000000000F20000-0x0000000000F25000-memory.dmp

                          Filesize

                          20KB

                        • memory/2136-171-0x0000000000F20000-0x0000000000F25000-memory.dmp

                          Filesize

                          20KB

                        • memory/2324-174-0x0000000000890000-0x0000000000896000-memory.dmp

                          Filesize

                          24KB

                        • memory/2324-199-0x0000000000890000-0x0000000000896000-memory.dmp

                          Filesize

                          24KB

                        • memory/2324-175-0x0000000000880000-0x000000000088C000-memory.dmp

                          Filesize

                          48KB

                        • memory/2832-180-0x0000000000A00000-0x0000000000A27000-memory.dmp

                          Filesize

                          156KB

                        • memory/2832-179-0x0000000000A30000-0x0000000000A52000-memory.dmp

                          Filesize

                          136KB

                        • memory/2832-200-0x0000000000A30000-0x0000000000A52000-memory.dmp

                          Filesize

                          136KB

                        • memory/3576-158-0x0000000000660000-0x000000000066B000-memory.dmp

                          Filesize

                          44KB

                        • memory/3576-157-0x0000000000670000-0x0000000000677000-memory.dmp

                          Filesize

                          28KB

                        • memory/3576-196-0x0000000000670000-0x0000000000677000-memory.dmp

                          Filesize

                          28KB

                        • memory/3696-156-0x0000000000500000-0x0000000000884000-memory.dmp

                          Filesize

                          3.5MB

                        • memory/3696-195-0x0000000000500000-0x0000000000884000-memory.dmp

                          Filesize

                          3.5MB

                        • memory/3920-189-0x0000000000380000-0x000000000038D000-memory.dmp

                          Filesize

                          52KB

                        • memory/3920-203-0x0000000000390000-0x0000000000397000-memory.dmp

                          Filesize

                          28KB

                        • memory/3920-188-0x0000000000390000-0x0000000000397000-memory.dmp

                          Filesize

                          28KB

                        • memory/4012-140-0x00007FFF1C2C0000-0x00007FFF1CD81000-memory.dmp

                          Filesize

                          10.8MB

                        • memory/4012-139-0x0000000000180000-0x0000000000188000-memory.dmp

                          Filesize

                          32KB

                        • memory/4224-191-0x00000000001D0000-0x00000000001D8000-memory.dmp

                          Filesize

                          32KB

                        • memory/4224-192-0x00000000001C0000-0x00000000001CB000-memory.dmp

                          Filesize

                          44KB

                        • memory/4224-204-0x00000000001D0000-0x00000000001D8000-memory.dmp

                          Filesize

                          32KB

                        • memory/4288-197-0x0000000000A80000-0x0000000000A89000-memory.dmp

                          Filesize

                          36KB

                        • memory/4288-163-0x0000000000A80000-0x0000000000A89000-memory.dmp

                          Filesize

                          36KB

                        • memory/4288-164-0x00000000007F0000-0x00000000007FF000-memory.dmp

                          Filesize

                          60KB

                        • memory/4368-148-0x00007FFF1C2C0000-0x00007FFF1CD81000-memory.dmp

                          Filesize

                          10.8MB

                        • memory/4800-133-0x00000000005F0000-0x00000000005F9000-memory.dmp

                          Filesize

                          36KB

                        • memory/4800-134-0x0000000000400000-0x000000000045D000-memory.dmp

                          Filesize

                          372KB

                        • memory/4800-132-0x000000000063E000-0x000000000064E000-memory.dmp

                          Filesize

                          64KB

                        • memory/4800-135-0x0000000000400000-0x000000000045D000-memory.dmp

                          Filesize

                          372KB

                        • memory/4984-144-0x00007FFF1C2C0000-0x00007FFF1CD81000-memory.dmp

                          Filesize

                          10.8MB