Resubmissions

18-04-2023 19:35

230418-ya1z1afd91 10

18-04-2023 19:31

230418-x8wmhafd7w 7

Analysis

  • max time kernel
    191s
  • max time network
    194s
  • platform
    windows10-1703_x64
  • resource
    win10-20230220-en
  • resource tags

    arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    18-04-2023 19:35

General

  • Target

    Mercurial.exe

  • Size

    3.2MB

  • MD5

    a9477b3e21018b96fc5d2264d4016e65

  • SHA1

    493fa8da8bf89ea773aeb282215f78219a5401b7

  • SHA256

    890fd59af3370e2ce12e0d11916d1ad4ee9b9c267c434347dbed11e9572e8645

  • SHA512

    66529a656865400fe37d40ae125a1d057f8be5aa17da80d367ebbe1a9dcea38f5174870d0dc5b56771f6ca5a13e2fad22d803f5357f3ef59a46e3bdf0cc5ee9c

  • SSDEEP

    98304:5kjozJ9/im8XVBKl6t1buVfRhq+5tXzgCa/T:lzJpjS346t1bIfuq07

Malware Config

Signatures

  • Mercurial Grabber Stealer

    Mercurial Grabber is an open source stealer targeting Chrome, Discord and some game clients as well as generic system information.

  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Obfuscated with Agile.Net obfuscator 11 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Looks up external IP address via web service 4 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 1 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Enumerates system info in registry 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Mercurial.exe
    "C:\Users\Admin\AppData\Local\Temp\Mercurial.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2408
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\5ajgrwl1\5ajgrwl1.cmdline"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4684
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES6C66.tmp" "c:\Users\Admin\AppData\Local\Temp\CSCB0EF215E766F40BBAD94D7AC5C1D1CC.TMP"
        3⤵
          PID:2892
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:4408
      • C:\Users\Admin\AppData\Local\Temp\output.exe
        "C:\Users\Admin\AppData\Local\Temp\output.exe"
        1⤵
        • Looks for VirtualBox Guest Additions in registry
        • Looks for VMWare Tools registry key
        • Checks BIOS information in registry
        • Executes dropped EXE
        • Maps connected drives based on registry
        • Checks SCSI registry key(s)
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of AdjustPrivilegeToken
        PID:4996
        • C:\Windows\system32\WerFault.exe
          C:\Windows\system32\WerFault.exe -u -p 4996 -s 1920
          2⤵
          • Program crash
          PID:4140

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\RES6C66.tmp
        Filesize

        1KB

        MD5

        c66e66ebc0490d029b297769ba2d2256

        SHA1

        687ed6585cac2b8ec6b4bc98714ce1752499e928

        SHA256

        94e2efa2bd6480d7265d08379c82c50182c3e6b0230a3a70e9c674d5c664705a

        SHA512

        c182d16e4ddd57677e8419c12db68bfd9318d74da7a64d5eec58720a789526ab3ff971e282b13e9876a41e3b506dad4d5cbff48f83f5fc70604fca42f34c6c41

      • C:\Users\Admin\AppData\Local\Temp\output.exe
        Filesize

        41KB

        MD5

        bf67d5e42d55899ea800e6daa3afd271

        SHA1

        cea9873cfb4da568802595046fc81956a2c830ed

        SHA256

        f7a544151a58d3955b70deb0b476741d9842024a417bb0b055d353cf652f06d5

        SHA512

        263f58b57a844c4610ec563344742aa474b93b716e0a72f8e6b8303841c74665ccb2919ea9ff2b16f1980f1e709b7a77b6472956198e84740de2a6ebea3c5539

      • C:\Users\Admin\AppData\Local\Temp\output.exe
        Filesize

        41KB

        MD5

        bf67d5e42d55899ea800e6daa3afd271

        SHA1

        cea9873cfb4da568802595046fc81956a2c830ed

        SHA256

        f7a544151a58d3955b70deb0b476741d9842024a417bb0b055d353cf652f06d5

        SHA512

        263f58b57a844c4610ec563344742aa474b93b716e0a72f8e6b8303841c74665ccb2919ea9ff2b16f1980f1e709b7a77b6472956198e84740de2a6ebea3c5539

      • \??\c:\Users\Admin\AppData\Local\Temp\5ajgrwl1\5ajgrwl1.0.cs
        Filesize

        11KB

        MD5

        6e09c67b55a62916fc9204eff6877bf0

        SHA1

        5bdd02efc746008dbbb8704eecffbf34136b8695

        SHA256

        a4962989573ad9ff719db89381e95c64f6e0be84f31d20d346a2df632b9c9adf

        SHA512

        362aa38ddffeea66f1cb2ba7d42e2f0754c9b1b28a8e7b0f794ebcfc74043349e5ee9e2b58720af89d3612e0d6931b47ac12f11be274ca271227e8e622ef01e2

      • \??\c:\Users\Admin\AppData\Local\Temp\5ajgrwl1\5ajgrwl1.1.cs
        Filesize

        5KB

        MD5

        8aab1997664a604aca551b20202bfd14

        SHA1

        279cf8f218069cbf4351518ad6df9a783ca34bc5

        SHA256

        029f57fa483bbcee0dd5464e0d4d89bd03032161424d0ffd1da2b3d5db15977f

        SHA512

        cf0efea853d7e1997dcfcc9a73668ed9a5ac01cf22cbb7082a05abc141fccc7c92a936b245666071df75389cd7ebe60dc99b3c21279173fe12888a99034a5eda

      • \??\c:\Users\Admin\AppData\Local\Temp\5ajgrwl1\5ajgrwl1.2.cs
        Filesize

        7KB

        MD5

        6fdae9afc1f8e77e882f1ba6b5859a4e

        SHA1

        33eb96f75ffe9a1c4f94388e7465b997320265a5

        SHA256

        a365264dd2d3388acc38b2f5c8f3c267bbf83ca463f70fbf6c8459123a7cc33d

        SHA512

        97bb77e8c9c7a1a46fa416a917787ddced3439f72ea35558f22fa2450fbbd11928f3442baec0b33b14576683baa6c1c6b3e1376bd7742da358c808bf07db28e9

      • \??\c:\Users\Admin\AppData\Local\Temp\5ajgrwl1\5ajgrwl1.3.cs
        Filesize

        8KB

        MD5

        6ba707982ee7e5f0ae55ce3fa5ccad17

        SHA1

        d094c98491058ed49861ce82701abe1f38385f18

        SHA256

        19af9bea270f830354af8250cd82db32fdcab6327d139e2720713fb7d43a5797

        SHA512

        d9cf480c32bfb806c72a2dc6fe211c4806388ccf548d55b059e633e8f814d46c80ef73eacfb02398fd3b1e75b7c44b8a1ba0b29476edbf9fe1b29322798d3cfa

      • \??\c:\Users\Admin\AppData\Local\Temp\5ajgrwl1\5ajgrwl1.4.cs
        Filesize

        2KB

        MD5

        fae5458a5b3cee952e25d44d6eb9db85

        SHA1

        060d40137e9cce9f40adbb3b3763d1f020601e42

        SHA256

        240478bb9c522341906a0ef376e0188ce6106856a26a3ae0f7b58af07a377a06

        SHA512

        25f406f747518aef3a1c5c3d66e8bd474429b05ef994303c5f7bc5d3669d691d9dc21ea8f8a35e20b84f8c406bf89835f2f5007a8f743df755e67b4c380fa236

      • \??\c:\Users\Admin\AppData\Local\Temp\5ajgrwl1\5ajgrwl1.5.cs
        Filesize

        4KB

        MD5

        42f157ad8e79e06a142791d6e98e0365

        SHA1

        a05e8946e04907af3f631a7de1537d7c1bb34443

        SHA256

        e30402cd45589982489719678adf59b016674faa6f7a9af074601e978cc9a0ed

        SHA512

        e214e1cd49e677e1ed632e86e4d1680b0d04a7a0086a273422c14c28485dc549cc5b4bde13e45336f0c4b842751dfd6ef702df3524bc6570c477a4f713db09dc

      • \??\c:\Users\Admin\AppData\Local\Temp\5ajgrwl1\5ajgrwl1.6.cs
        Filesize

        6KB

        MD5

        8ec0f0e49ffe092345673ab4d9f45641

        SHA1

        401bd9e2894e9098504f7cc8f8d52f86c3ebe495

        SHA256

        93b9f783b5faed3ecfafbe20dfcf1bee3ce33f66909879cd39ae88c36acbdfac

        SHA512

        60363b36587a3ace9ae1dbc21ffd39f903e5f51945eebdcf0316904eee316c9d711d7a014b28977d54eef25dec13f659aab06325f761d9f3ce9baca3cb12f248

      • \??\c:\Users\Admin\AppData\Local\Temp\5ajgrwl1\5ajgrwl1.7.cs
        Filesize

        16KB

        MD5

        05206d577ce19c1ef8d9341b93cd5520

        SHA1

        1ee5c862592045912eb45f9d94376f47b5410d3d

        SHA256

        e2bbdc7ba4236f9c4cb829d63137fdac3a308fd5da96acea35212beafe01b877

        SHA512

        4648fa7ea0a35a148e9dac1f659601ebf48910ca699ed9ef8d46614c7cbe14fcf47fa30dc87af53b987934a2a56cd71fd0e58182ef36a97ed47bd84637b54855

      • \??\c:\Users\Admin\AppData\Local\Temp\5ajgrwl1\5ajgrwl1.8.cs
        Filesize

        561B

        MD5

        7ae06a071e39d392c21f8395ef5a9261

        SHA1

        007e618097c9a099c9f5c3129e5bbf1fc7deb930

        SHA256

        00e152629bdbf25a866f98e6fc30626d2514527beef1b76ebb85b1f5f9c83718

        SHA512

        5203c937597e51b97273040fe441392e0df7841f680fcca0d761ac6d47b72d02c8918614f030fbf23d8a58cb5625b702546e4c6f93e130cc5d3b41c154c42655

      • \??\c:\Users\Admin\AppData\Local\Temp\5ajgrwl1\5ajgrwl1.9.cs
        Filesize

        10KB

        MD5

        380d15f61b0e775054eefdce7279510d

        SHA1

        47285dc55dafd082edd1851eea8edc2f7a1d0157

        SHA256

        bef491a61351ad58cda96b73dba70027fdbe4966917e33145ba5cfa8c83bc717

        SHA512

        d4cbaad29d742d55926fea6b3fa1cf754c3e71736e763d9271dc983e08fce5251fa849d4ecdc1187c29f92e27adab22b8f99791e46302b5d9c2e90b832c28c28

      • \??\c:\Users\Admin\AppData\Local\Temp\5ajgrwl1\5ajgrwl1.cmdline
        Filesize

        833B

        MD5

        522cc5c5b1c0f3840523f6b6dcd2aa21

        SHA1

        e5631a8d56074a4be221dfed52095c1eff99bd90

        SHA256

        13542baf6d5bf8abfe3c7b13e5a9e7f977d09ba1379628b483c707102a65a9bf

        SHA512

        bcccb203750984b0592ff51b996ef154747094768cd640388116013b02d90977465aca2727061e5b14d7ff7a88b952dbc2e61fbddbc55a511a232918e263faa2

      • \??\c:\Users\Admin\AppData\Local\Temp\CSCB0EF215E766F40BBAD94D7AC5C1D1CC.TMP
        Filesize

        1KB

        MD5

        2c8070f084ff635f9e016b831cd6ef16

        SHA1

        84d8287a21eaf176ebd7b3efe8571b3862de873a

        SHA256

        535d007133ddae112030480aac0b6954d4aac98bcd69b0ef192a010770564a4f

        SHA512

        f7dd550984e579912cf8fa688c53985308862954688b44482c83c05d61274519812a5ea9b6ddcfcd8972d117c8e3edfa6da0e23f3c8ea17ef0bdab80bf0d4c1f

      • memory/2408-139-0x0000000009300000-0x0000000009308000-memory.dmp
        Filesize

        32KB

      • memory/2408-124-0x0000000005960000-0x0000000005970000-memory.dmp
        Filesize

        64KB

      • memory/2408-138-0x0000000005ED0000-0x0000000005F00000-memory.dmp
        Filesize

        192KB

      • memory/2408-121-0x0000000000CC0000-0x0000000000FFA000-memory.dmp
        Filesize

        3.2MB

      • memory/2408-140-0x0000000005960000-0x0000000005970000-memory.dmp
        Filesize

        64KB

      • memory/2408-141-0x0000000005960000-0x0000000005970000-memory.dmp
        Filesize

        64KB

      • memory/2408-142-0x0000000005960000-0x0000000005970000-memory.dmp
        Filesize

        64KB

      • memory/2408-143-0x0000000005960000-0x0000000005970000-memory.dmp
        Filesize

        64KB

      • memory/2408-144-0x0000000005960000-0x0000000005970000-memory.dmp
        Filesize

        64KB

      • memory/2408-145-0x0000000005960000-0x0000000005970000-memory.dmp
        Filesize

        64KB

      • memory/2408-146-0x0000000005960000-0x0000000005970000-memory.dmp
        Filesize

        64KB

      • memory/2408-147-0x0000000005960000-0x0000000005970000-memory.dmp
        Filesize

        64KB

      • memory/2408-148-0x0000000005960000-0x0000000005970000-memory.dmp
        Filesize

        64KB

      • memory/2408-149-0x0000000005960000-0x0000000005970000-memory.dmp
        Filesize

        64KB

      • memory/2408-150-0x0000000005960000-0x0000000005970000-memory.dmp
        Filesize

        64KB

      • memory/2408-151-0x0000000005960000-0x0000000005970000-memory.dmp
        Filesize

        64KB

      • memory/2408-152-0x0000000005960000-0x0000000005970000-memory.dmp
        Filesize

        64KB

      • memory/2408-136-0x0000000006470000-0x00000000065BA000-memory.dmp
        Filesize

        1.3MB

      • memory/2408-135-0x0000000005D40000-0x0000000005D4E000-memory.dmp
        Filesize

        56KB

      • memory/2408-134-0x0000000005D30000-0x0000000005D3E000-memory.dmp
        Filesize

        56KB

      • memory/2408-133-0x0000000005CE0000-0x0000000005D16000-memory.dmp
        Filesize

        216KB

      • memory/2408-132-0x0000000005C30000-0x0000000005C4E000-memory.dmp
        Filesize

        120KB

      • memory/2408-131-0x0000000005C70000-0x0000000005CDE000-memory.dmp
        Filesize

        440KB

      • memory/2408-130-0x0000000005C10000-0x0000000005C24000-memory.dmp
        Filesize

        80KB

      • memory/2408-129-0x0000000005BE0000-0x0000000005BF0000-memory.dmp
        Filesize

        64KB

      • memory/2408-128-0x0000000005BC0000-0x0000000005BE0000-memory.dmp
        Filesize

        128KB

      • memory/2408-127-0x0000000005BA0000-0x0000000005BC0000-memory.dmp
        Filesize

        128KB

      • memory/2408-126-0x0000000005A40000-0x0000000005A5C000-memory.dmp
        Filesize

        112KB

      • memory/2408-125-0x0000000005A30000-0x0000000005A3A000-memory.dmp
        Filesize

        40KB

      • memory/2408-137-0x00000000067B0000-0x00000000068C6000-memory.dmp
        Filesize

        1.1MB

      • memory/2408-183-0x0000000001690000-0x0000000001790000-memory.dmp
        Filesize

        1024KB

      • memory/2408-184-0x0000000001690000-0x0000000001790000-memory.dmp
        Filesize

        1024KB

      • memory/2408-185-0x0000000001690000-0x0000000001790000-memory.dmp
        Filesize

        1024KB

      • memory/2408-186-0x0000000001690000-0x0000000001790000-memory.dmp
        Filesize

        1024KB

      • memory/2408-187-0x0000000001690000-0x0000000001790000-memory.dmp
        Filesize

        1024KB

      • memory/2408-188-0x0000000001690000-0x0000000001790000-memory.dmp
        Filesize

        1024KB

      • memory/2408-189-0x0000000001690000-0x0000000001790000-memory.dmp
        Filesize

        1024KB

      • memory/2408-190-0x0000000001690000-0x0000000001790000-memory.dmp
        Filesize

        1024KB

      • memory/2408-191-0x0000000001690000-0x0000000001790000-memory.dmp
        Filesize

        1024KB

      • memory/2408-192-0x0000000001690000-0x0000000001790000-memory.dmp
        Filesize

        1024KB

      • memory/2408-193-0x0000000001690000-0x0000000001790000-memory.dmp
        Filesize

        1024KB

      • memory/2408-194-0x0000000001690000-0x0000000001790000-memory.dmp
        Filesize

        1024KB

      • memory/2408-195-0x0000000001690000-0x0000000001790000-memory.dmp
        Filesize

        1024KB

      • memory/2408-196-0x0000000001690000-0x0000000001790000-memory.dmp
        Filesize

        1024KB

      • memory/2408-197-0x0000000005960000-0x0000000005970000-memory.dmp
        Filesize

        64KB

      • memory/2408-198-0x0000000005960000-0x0000000005970000-memory.dmp
        Filesize

        64KB

      • memory/2408-199-0x0000000001690000-0x0000000001790000-memory.dmp
        Filesize

        1024KB

      • memory/2408-200-0x0000000005960000-0x0000000005970000-memory.dmp
        Filesize

        64KB

      • memory/2408-201-0x0000000005960000-0x0000000005970000-memory.dmp
        Filesize

        64KB

      • memory/2408-202-0x0000000001690000-0x0000000001790000-memory.dmp
        Filesize

        1024KB

      • memory/2408-203-0x0000000001690000-0x0000000001790000-memory.dmp
        Filesize

        1024KB

      • memory/2408-123-0x0000000005A70000-0x0000000005B02000-memory.dmp
        Filesize

        584KB

      • memory/2408-122-0x0000000005F70000-0x000000000646E000-memory.dmp
        Filesize

        5.0MB

      • memory/2408-207-0x0000000001690000-0x0000000001790000-memory.dmp
        Filesize

        1024KB

      • memory/4996-206-0x0000000000B50000-0x0000000000B60000-memory.dmp
        Filesize

        64KB

      • memory/4996-208-0x0000000002A80000-0x0000000002A90000-memory.dmp
        Filesize

        64KB

      • memory/4996-212-0x0000000002A80000-0x0000000002A90000-memory.dmp
        Filesize

        64KB