Analysis

  • max time kernel
    169s
  • max time network
    178s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-11-2022 17:25

General

  • Target

    267cdbd24ba0c232c80967c7c39f454db0e59b6943836750a5cfbaf2540768d8.exe

  • Size

    381KB

  • MD5

    bc0d9c5250c435e2b08aad396db5fbea

  • SHA1

    8ef94d5400b6d10fa683ca6bad7efd19ef2282c3

  • SHA256

    267cdbd24ba0c232c80967c7c39f454db0e59b6943836750a5cfbaf2540768d8

  • SHA512

    70f75fa30063fdd3b0452e4d0b2936d27de2bfa3c7c5430bb96e532229211ffab167dcf32cfb552463c075b12f01427132c207f530026df710cd4e72174c6269

  • SSDEEP

    6144:bDsrpmOp5fjFopppppppp4a5pppppppppppppppppppppppppppppppppppppppQ:bDsdRBGpppppppp/ppppppppppppppp

Malware Config

Extracted

Family

formbook

Version

3.8

Campaign

mi

Decoy

deliris.net

tqcsi-yaran.com

sgrejg.info

vertical-boiler.com

10-56milanstreetmentone.com

electricoslaheroica.com

bombergersarchive.com

177vno.info

hydbad.com

amazonsignage.com

marcelkulhanek.com

purebeautyorganic.com

icerinkcoffee.com

hengshuiyafeng.com

improvereligion.com

hydroponics-aeroponics.com

botmatridee.com

summerfieldalignment.com

xeroaccountantmelbourne.net

babelgrim.net

Signatures

  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • Formbook payload 5 IoCs
  • Executes dropped EXE 1 IoCs
  • Drops startup file 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 40 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1036
    • C:\Users\Admin\AppData\Local\Temp\267cdbd24ba0c232c80967c7c39f454db0e59b6943836750a5cfbaf2540768d8.exe
      "C:\Users\Admin\AppData\Local\Temp\267cdbd24ba0c232c80967c7c39f454db0e59b6943836750a5cfbaf2540768d8.exe"
      2⤵
      • Drops startup file
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4660
      • 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\2tsmnpoh\2tsmnpoh.cmdline"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4044
        • 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\RESFCF.tmp" "c:\Users\Admin\AppData\Local\Temp\2tsmnpoh\CSC3151A550E5B48519273A29BF2FC6B.TMP"
          4⤵
            PID:1472
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
          "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
          3⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1844
          • C:\Windows\SysWOW64\mstsc.exe
            "C:\Windows\SysWOW64\mstsc.exe"
            4⤵
            • Adds Run key to start application
            • Suspicious use of SetThreadContext
            • Drops file in Program Files directory
            • Modifies Internet Explorer settings
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:3132
            • C:\Windows\SysWOW64\cmd.exe
              /c del "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
              5⤵
                PID:3012
              • C:\Windows\SysWOW64\cmd.exe
                /c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
                5⤵
                  PID:680
          • C:\Windows\SysWOW64\help.exe
            "C:\Windows\SysWOW64\help.exe"
            2⤵
              PID:5000
            • C:\Program Files (x86)\Fp4o\qvftc8zxxve8a.exe
              "C:\Program Files (x86)\Fp4o\qvftc8zxxve8a.exe"
              2⤵
              • Executes dropped EXE
              PID:2660

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Program Files (x86)\Fp4o\qvftc8zxxve8a.exe

            Filesize

            1.1MB

            MD5

            d881de17aa8f2e2c08cbb7b265f928f9

            SHA1

            08936aebc87decf0af6e8eada191062b5e65ac2a

            SHA256

            b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

            SHA512

            5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

          • C:\Program Files (x86)\Fp4o\qvftc8zxxve8a.exe

            Filesize

            1.1MB

            MD5

            d881de17aa8f2e2c08cbb7b265f928f9

            SHA1

            08936aebc87decf0af6e8eada191062b5e65ac2a

            SHA256

            b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

            SHA512

            5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

          • C:\Users\Admin\AppData\Local\Temp\2tsmnpoh\2tsmnpoh.dll

            Filesize

            14KB

            MD5

            a9c85641e18dc9f9a474f866393326d9

            SHA1

            fd47a4b81ec7fe2fece26c07ebe9b7bb5a67e3c3

            SHA256

            e005f4939cdf0c5a296cf739b3b219e85f5b51d7acd1adc4c15ef28f8ae5b447

            SHA512

            fa69b24155fa0fb02204dae3ed90754565fe2977a0837b36baad9ec720e7c26a26bff039d96478c0ca1baff6838dbd6e9ec2d0a04be648343d7a00baefca4c37

          • C:\Users\Admin\AppData\Local\Temp\2tsmnpoh\2tsmnpoh.pdb

            Filesize

            49KB

            MD5

            cceea02009db80a8a26ae22aafa85167

            SHA1

            d82aff823494782b8df7e348615f69ec6c31ed0d

            SHA256

            115d622abce8688adb2f620584ebb02b71835761ec7777c7959d7c0c50f094ae

            SHA512

            dc62e0d05cc9c66e3dcfe360a5158c56844c38782d0edb324de1b00cd1cc4bc7a31ce92469692ea48c4e57c86599ec36e7b2b42a69d6b58e7e458b099aea3314

          • C:\Users\Admin\AppData\Local\Temp\DB1

            Filesize

            40KB

            MD5

            b608d407fc15adea97c26936bc6f03f6

            SHA1

            953e7420801c76393902c0d6bb56148947e41571

            SHA256

            b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

            SHA512

            cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

          • C:\Users\Admin\AppData\Local\Temp\RESFCF.tmp

            Filesize

            1KB

            MD5

            9961988d37dd7d4655393e438e853dc7

            SHA1

            513c8944730ed71b8aa09dd9120d60a192bfeb65

            SHA256

            9d7c95f581d32082dbbe4feee172e8b8d6301429644c01d161657f76b8a30097

            SHA512

            b7ac1847d1ec30a4f072e61005a0b5622b8802b9b2ebb0d1076eaa20560d6231bae4b09e0459c5147328a5cfd032717f62a691efcfa157835ed7ac934371b238

          • C:\Users\Admin\AppData\Roaming\-NLQ125E\-NLlogim.jpeg

            Filesize

            81KB

            MD5

            e0fc29552d7c650cf2c16dbec4f87ec0

            SHA1

            3809b5c92cc2ac118a4d1649345d153fb65259d0

            SHA256

            9fdfb31983cea78271bff5dd6f802ff914617ba66a330d77b919dcc87d7f5ff7

            SHA512

            253e4fb9e303e3e40a160196b8b1527d2806584c67f8a21cfa70285e7f481ae5f385a5f394840c5f02dd797103a90563284f1d80b0f67cb76fbed29b7518b4d8

          • C:\Users\Admin\AppData\Roaming\-NLQ125E\-NLlogrg.ini

            Filesize

            38B

            MD5

            4aadf49fed30e4c9b3fe4a3dd6445ebe

            SHA1

            1e332822167c6f351b99615eada2c30a538ff037

            SHA256

            75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56

            SHA512

            eb5b3908d5e7b43ba02165e092f05578f45f15a148b4c3769036aa542c23a0f7cd2bc2770cf4119a7e437de3f681d9e398511f69f66824c516d9b451bb95f945

          • C:\Users\Admin\AppData\Roaming\-NLQ125E\-NLlogri.ini

            Filesize

            40B

            MD5

            d63a82e5d81e02e399090af26db0b9cb

            SHA1

            91d0014c8f54743bba141fd60c9d963f869d76c9

            SHA256

            eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

            SHA512

            38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

          • C:\Users\Admin\AppData\Roaming\-NLQ125E\-NLlogrv.ini

            Filesize

            872B

            MD5

            bbc41c78bae6c71e63cb544a6a284d94

            SHA1

            33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

            SHA256

            ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

            SHA512

            0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

          • \??\c:\Users\Admin\AppData\Local\Temp\2tsmnpoh\2tsmnpoh.0.cs

            Filesize

            26KB

            MD5

            034b7ff6021dabbe765304758ae537dc

            SHA1

            42c9be44efa31bd97e496df6b3dd051f7f735e5e

            SHA256

            ed8359eec525cd11d29b30119d345617a26e10eb6034f048d8bf7f71863a5b78

            SHA512

            1e792efa914b27a1102f658ef0394963c61a00b068e9024b8543eb9d68363124bf063e71cc0365977e43fb360e8b9d252ce560bb8c62f7185d1340da01b33693

          • \??\c:\Users\Admin\AppData\Local\Temp\2tsmnpoh\2tsmnpoh.cmdline

            Filesize

            248B

            MD5

            8ff0be6b663fbcc8bc18c58e331426e2

            SHA1

            fb283038a312b08c581939f44909d3e93c8bbe9a

            SHA256

            1752e8515d32da3c6f5aebcd129af8a100bb7468fa66212249eee971af642cb4

            SHA512

            5e1700266c4461f6b0a251accecc2330ee434bce9bc6ac9c5b87874c73186ba3cb04bac34da6c5b75abecd8af253c50928f1da740614dada346bba0447790a2d

          • \??\c:\Users\Admin\AppData\Local\Temp\2tsmnpoh\CSC3151A550E5B48519273A29BF2FC6B.TMP

            Filesize

            1KB

            MD5

            80f79e660d4557289b86f7ea64259e42

            SHA1

            ecaadce2a8ea13b61458680d66da639fd053a87d

            SHA256

            ce3732ba3419026981ad636b0c5c75842c2122c5f82cb3cf6b2b5958ef3b1e00

            SHA512

            3e5755d8aa829347025797c5c79ca0bfff590bdc8dadaceae17196d3703f9be1b6001e94ae05adebb9b5b97c6b6dba1544678e54078fda759ae69efd30c579d1

          • memory/680-167-0x0000000000000000-mapping.dmp

          • memory/1036-161-0x0000000008BF0000-0x0000000008D05000-memory.dmp

            Filesize

            1.1MB

          • memory/1036-163-0x0000000008BF0000-0x0000000008D05000-memory.dmp

            Filesize

            1.1MB

          • memory/1036-148-0x0000000008480000-0x00000000085FC000-memory.dmp

            Filesize

            1.5MB

          • memory/1036-152-0x0000000008AD0000-0x0000000008BEA000-memory.dmp

            Filesize

            1.1MB

          • memory/1036-153-0x0000000008480000-0x00000000085FC000-memory.dmp

            Filesize

            1.5MB

          • memory/1472-136-0x0000000000000000-mapping.dmp

          • memory/1844-144-0x0000000000400000-0x000000000042A000-memory.dmp

            Filesize

            168KB

          • memory/1844-147-0x00000000009D0000-0x00000000009E4000-memory.dmp

            Filesize

            80KB

          • memory/1844-149-0x0000000000400000-0x000000000042A000-memory.dmp

            Filesize

            168KB

          • memory/1844-143-0x0000000000000000-mapping.dmp

          • memory/1844-155-0x0000000000400000-0x000000000042A000-memory.dmp

            Filesize

            168KB

          • memory/1844-151-0x0000000000A50000-0x0000000000A64000-memory.dmp

            Filesize

            80KB

          • memory/1844-145-0x0000000000AD0000-0x0000000000E1A000-memory.dmp

            Filesize

            3.3MB

          • memory/2660-164-0x0000000000000000-mapping.dmp

          • memory/3012-156-0x0000000000000000-mapping.dmp

          • memory/3132-159-0x0000000002F20000-0x000000000326A000-memory.dmp

            Filesize

            3.3MB

          • memory/3132-154-0x0000000000000000-mapping.dmp

          • memory/3132-162-0x0000000000D40000-0x0000000000D6A000-memory.dmp

            Filesize

            168KB

          • memory/3132-160-0x0000000002E80000-0x0000000002F13000-memory.dmp

            Filesize

            588KB

          • memory/3132-158-0x0000000000D40000-0x0000000000D6A000-memory.dmp

            Filesize

            168KB

          • memory/3132-157-0x00000000006D0000-0x000000000080A000-memory.dmp

            Filesize

            1.2MB

          • memory/4044-133-0x0000000000000000-mapping.dmp

          • memory/4660-132-0x0000000000A10000-0x0000000000A76000-memory.dmp

            Filesize

            408KB

          • memory/4660-142-0x0000000005C70000-0x0000000005D0C000-memory.dmp

            Filesize

            624KB

          • memory/4660-141-0x0000000005490000-0x0000000005522000-memory.dmp

            Filesize

            584KB