Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    08/01/2024, 03:40

General

  • Target

    4a579b82b404dda9baa4565e6701ee87.exe

  • Size

    717KB

  • MD5

    4a579b82b404dda9baa4565e6701ee87

  • SHA1

    a2d068bd0875baed84153777a0052ddba54bfc17

  • SHA256

    108e077a393f52d496ae83dd05472ff3ccb3d469478309b1d49c70c93e1cf667

  • SHA512

    45e526cb052c7529a8ea8354f841c29383d9971d86c12ae13227a7643a7f5405babc67ae9e3351be7d9179bbc0bfc11f24101804a9494f3db0b97ca688189102

  • SSDEEP

    12288:BKnekrL58xwokOTtwN6jBFyy26caMHC2N8+NALWKrYPTDN89Q4SvrM4ykAznsZHC:OLix4SnFDFcHFNASXbp89QHzM4ZAzuHC

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops Chrome extension 1 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 4 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4a579b82b404dda9baa4565e6701ee87.exe
    "C:\Users\Admin\AppData\Local\Temp\4a579b82b404dda9baa4565e6701ee87.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1236
    • C:\Users\Admin\AppData\Local\Temp\00294823\T4Xo4.exe
      "C:\Users\Admin\AppData\Local\Temp/00294823/T4Xo4.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • Modifies Internet Explorer settings
      • Modifies registry class
      • System policy modification
      PID:2708

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\00294823\JuaU.dll

          Filesize

          222KB

          MD5

          e9b27306a18f18b88945cdf066de2fc9

          SHA1

          4d18490fbb336e261301a967047065dd561cc2f2

          SHA256

          a9880b90d24af3786886306aefe5c79ff3cb2fb7b36ee5fb7bf2af85f240d63c

          SHA512

          f255e8bfb13cfa070b31f47b12a4aacf9ab75a6a8191b6b83740d02c3f007b6d5255a5c2c12bc7b599996742973d2faccb5463d96d16c7aba40e34776823c706

        • C:\Users\Admin\AppData\Local\Temp\00294823\JuaU.tlb

          Filesize

          2KB

          MD5

          39d776f73d1d3f771aaa8c3561367c3a

          SHA1

          eef842aa02927bd7fbe7d569c5446ef1a2ea065f

          SHA256

          c2156787eeb818e587529572599fa124773c71330fb93e1c79f4cb9141090941

          SHA512

          3174095accbf422730e60f61523dec01a9a4519cb4642a641c5f547d530ad41f5386d383b90f7daf34f1f36635775929e99d7fe0030aa24cee30f4de8376eeb3

        • C:\Users\Admin\AppData\Local\Temp\00294823\T4Xo4.dat

          Filesize

          5KB

          MD5

          c9593974c57fa6ae06eebeefdf3bddfe

          SHA1

          7590f1c22dd4950558b36beed3eafbd3631927b5

          SHA256

          f158ec120b47ebb60d6e417336966c3009b1447645ce3a407c47dacdbf5a78ef

          SHA512

          0b7cab9a4b21d62492ed040e3289ec9e8b1cbc392f6a07764bc75dd537093ea4b035fa00dec1f26d613d1ca9a961e8bbe014fd89500811322b755f6b1cc4694e

        • C:\Users\Admin\AppData\Local\Temp\00294823\T4Xo4.exe

          Filesize

          334KB

          MD5

          8300c91b40229b42301aebc6d8859907

          SHA1

          0b55e56a6add6b4dd4ceff475a0018a203d02a5a

          SHA256

          f54a6814ac06c70ef5b738eca4855e49039783d96b70ba1ae461bd90877e53b5

          SHA512

          0863750da143e1707513f4a2efe1ad6cf81f5a819c7d5496d1629745afffcf72338aa9de90479d5e0936e848f9b260c434fd369027c56be175814086cafd4d8f

        • C:\Users\Admin\AppData\Local\Temp\00294823\haaopachmoimjkjefpbpadndimigbdgj\ZglNJ.js

          Filesize

          5KB

          MD5

          04f2f800962777fdb750bd1eb523a955

          SHA1

          02bb1ca4d7478082a3e246fa07da2b1914dd1f81

          SHA256

          ff77c694c4f616a68d68f04a4c2876722f8eca1853d540304d6a301e52b4cd19

          SHA512

          718e9b39daf5aec95bd1568f4b1874869c24e1e1212707ce042b59a10f2fcaa128c7ec898d2aeeed027294d0d81051d9fa0c29ca858b286515a01cf2c818c6ed

        • C:\Users\Admin\AppData\Local\Temp\00294823\haaopachmoimjkjefpbpadndimigbdgj\background.html

          Filesize

          142B

          MD5

          ee8bebd80a2c915fe3bc2975fa5b73b6

          SHA1

          73c2264313df0509a16818527b3a5d438ae57b77

          SHA256

          1e9b195ee1e5381d1ea08f4bef8e194d68f81e381490f9fe113ee610ac2f5999

          SHA512

          c62dcc398cc91bc5e0a374457bc01a724bb3a507ba942eacdde19041a6b848942e351cdbc316368fb4bc57dadd01aca6c1c4850eb43b5ea42fe0bd6c4f25e3ce

        • C:\Users\Admin\AppData\Local\Temp\00294823\haaopachmoimjkjefpbpadndimigbdgj\content.js

          Filesize

          197B

          MD5

          5f9891607f65f433b0690bae7088b2c1

          SHA1

          b4edb7579dca34dcd00bca5d2c13cbc5c8fac0de

          SHA256

          fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b

          SHA512

          76018b39e4b62ff9ea92709d12b0255f33e8402dfc649ed403382eebc22fb37c347c403534a7792e6b5de0ed0a5d97a09b69f0ffc39031cb0d4c7d79e9440c7c

        • C:\Users\Admin\AppData\Local\Temp\00294823\haaopachmoimjkjefpbpadndimigbdgj\lsdb.js

          Filesize

          559B

          MD5

          209b7ae0b6d8c3f9687c979d03b08089

          SHA1

          6449f8bff917115eef4e7488fae61942a869200f

          SHA256

          e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704

          SHA512

          1b38d5509283ef25de550b43ef2535dee1a13eff12ad5093f513165a47eec631bcc993242e2ce640f36c61974431ae2555bd6e2a97aba91eb689b7cd4bf25a25

        • C:\Users\Admin\AppData\Local\Temp\00294823\haaopachmoimjkjefpbpadndimigbdgj\manifest.json

          Filesize

          509B

          MD5

          66666006ecc7f6ac2c36009e7ddce27b

          SHA1

          a5de79ffa2cc5f8fdb3cfd3a30a253feeadbb58f

          SHA256

          b153cd209ef135337635e15d8ae925375d3c7ca5997921678a2787a4fc1a76f2

          SHA512

          4a315eaf88b5b38831854166a6a58b72458f8069cf03dcbccc3aacb597da0c305b2568c1a975cd46033d3298219ea7bf5cbe6c7fd244814c80b34f11d693285b

        • C:\Users\Admin\AppData\Local\Temp\00294823\haaopachmoimjkjefpbpadndimigbdgj\sqlite.js

          Filesize

          1KB

          MD5

          92abacf8c713859e5376eeb4b4185a0d

          SHA1

          08276fe133b9692d58fdc2e2e1185e9dce4f3d56

          SHA256

          2e31496b4a86c3f3e0d8cf85edcb9377b0141859fbd6570e87d3b6d8acfd4d85

          SHA512

          2279c2d6c0173790817e2e834e85112b71da634d8066ba62ef84384933b48027e5ac2858bce336ffe744891884cd707afb3480a5f9c3bbcbd9c2455983b527fa

        • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\x7a5o34y.Admin\extensions\staged\[email protected]\bootstrap.js

          Filesize

          2KB

          MD5

          1b53c596cfb1aa2209446ff64c17dabd

          SHA1

          2542da14728dcdbe1763f1ee39fe9ceae38ad414

          SHA256

          a7dfea4bf7e1d46a8b8e64ccfb2cf35017e3a5b350eead26d6671254d2b3c46f

          SHA512

          be54481675c38ef6a41697cf8cd3ab5a0b126922b192732a9c587dd8905b74b66c79eb0c849f62bbe8934979a894be63734b0ad59ffae295f5797cbfaa327030

        • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\x7a5o34y.Admin\extensions\staged\[email protected]\chrome.manifest

          Filesize

          102B

          MD5

          c543c33c35f10c12dac1edc334fbfae6

          SHA1

          935b65e60834bea718efbe8547ef33041bdaf034

          SHA256

          35811b98134b7739f14dc86dd3cdc7a647b07b6d07582118722e850b8c1da5f9

          SHA512

          7dbfb616ae9531bc66ec47b032310eff667bae7f320f1321370ceffef4129a43aac3c6c4cf185c8078765f326a8bf22f2fc8abdfadccfa4b5f9c182192251be5

        • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\x7a5o34y.Admin\extensions\staged\[email protected]\content\bg.js

          Filesize

          9KB

          MD5

          a077fa9c7d7a1dea22ad6cefffdd4ea6

          SHA1

          0e75ddcf965e4a6a0feec953f6b19efa67d2a512

          SHA256

          460d3db85d378027866dc84c8338c740058f69733629bcf5bf1f4410225ec66b

          SHA512

          e2e16fe9aa42cb8a66d74eaa06d1dfe905552f4915ccaf91d99444e972df9fd91105d0e139fa1f93b5dcc0d1bde5296af9876e03f868f1904a5dc162ff42b551

        • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\x7a5o34y.Admin\extensions\staged\[email protected]\install.rdf

          Filesize

          610B

          MD5

          0d75eab85ab8387bca88b56cb7e25aad

          SHA1

          bd57ada663b769714520a2cf4abef710b3236544

          SHA256

          35d38e8c41f695325c0dbd33cbedd486f454d8333243c2ba867841d5e56d9a20

          SHA512

          b87af5adb531ae8e30bd9bf43cf2f253ed2ace8c0475b300f77e2a74bf633e24500d26421d33f7d9563c0b9dc4b77e76df919cb669a82d3f7db284d68f581208

        • \ProgramData\DowwnlloaD keepEr\JuaU.dll

          Filesize

          92KB

          MD5

          84b3f961cbe22b9e6cbc33d5dd557f68

          SHA1

          b88916e738b44958cf56d4c2d35c7190ad243237

          SHA256

          cd96225ba04abe796b8fedcc322f1d2eb13f209fad281f03e2afbd80deff6c46

          SHA512

          80d311e53a284cb2b7ce945fbd95f140bef61e5b4dd4081ebde8dca8d84769b0fd7520403b52974280763bf8947dab6a8451cdb6ed8326b9145b5f670d93a559