Analysis

  • max time kernel
    119s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    26/12/2023, 08:18

General

  • Target

    5f336089f23227429e755d755bf07041.exe

  • Size

    1.0MB

  • MD5

    5f336089f23227429e755d755bf07041

  • SHA1

    65c888fb86a855bf49d3bac312b860937257c0dd

  • SHA256

    234998eda050627db419a9a23f37c9f2adb30e83940cd28a8b8822ae84d6b470

  • SHA512

    c1af127632ee6cba73d61142a94d42a842660a243f96346e50a50aab8b206e9f0c58245deb8b4a1d5a0ecc001d20d71ba7ea6158b8a0ce7a011e10c99e8cb5af

  • SSDEEP

    24576:4Li6O81CKKzqzauBUNFv/VXKcRmQaqeJcMAYSZsCwEXU:4LIKkqzauBO/kzNpcNwJ

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\5f336089f23227429e755d755bf07041.exe
    "C:\Users\Admin\AppData\Local\Temp\5f336089f23227429e755d755bf07041.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2156
    • C:\Users\Admin\AppData\Local\Temp\00294823\Dwr.exe
      "C:\Users\Admin\AppData\Local\Temp/00294823/Dwr.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:2124

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          258KB

          MD5

          e1d10cccd5dde588af8ee2cb7309523c

          SHA1

          0b9e805077320b0ce1e6620488bd34f1c4d7827e

          SHA256

          9900e517bfd4b39bd7af4bb360af52f6c95ef9b3e7ef36d2633485c58bef9a1a

          SHA512

          a929eaae12f5cb28e224fc31298af2808f995c5a06bc6f47d95879703dbb9369e2e35b4e50a452e91741e6a949336220348dbb3c389c46ea2e0ca41f592dcaa0

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

          Filesize

          2KB

          MD5

          9156db5f76d48049dbc41fd1b58b3f34

          SHA1

          5eb1df59f9b5b06ab00137fc9e6451e323d3102c

          SHA256

          66fab808188a98ba49d99b723a181aa6626197d50bd2d5e15e076dcbc6fbb2cc

          SHA512

          742a77e71c34632146e16acadb6b381694072c7f4c2dea1df1dfc645ed42673ba153c832d167474dc41f9b608142a8c41b4aecda1efdab90d87d4f5c718bf149

        • C:\Users\Admin\AppData\Local\Temp\00294823\BI.x64.dll

          Filesize

          319KB

          MD5

          4f5c722b8686afbea6f09c53171d44ca

          SHA1

          184c60aafbb12d1023b1ce2aff4d3708607a75a1

          SHA256

          870c280ea861313edda0bd3950dc738ea68d006f315888d66023b54e5f98f0ea

          SHA512

          e471a86079a16d129ea0c01878af77d1aa132e629832d3f0f3d1f8a3dd250ed41c8d2f37403a10c8061fff07c07dda926ba7ffcc417c6e0100005a0f2721417a

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

          Filesize

          3KB

          MD5

          63770da39a66c33ada30cc5909a5be22

          SHA1

          aa4eac7bd698f8b60b802b455acbcd3cd9426e8b

          SHA256

          6d3365e60f037cf19eb868de6e57b57cb1105f960d09c866dd705fc61906cdff

          SHA512

          e7387e7f00a06d53e96fac267ae9990785edd3eb3622339ae5c55ca1b144cdeb0494a200cace967d18df64284ff49bd6b5de737be59cc85f1b0d7ab9ff17156f

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

          Filesize

          226KB

          MD5

          5be76d25f0ca4b8d3d33f8c9644fdaf3

          SHA1

          950f21ed63eac272b649d6d9ded8b0cfe8ac2e85

          SHA256

          a79a01cd4c86ec211771ac61556c73f44497b2823efd1677551dcae974f9f21c

          SHA512

          557a92ebb389ab8128ac128c42f0d18905b98cce7d8dac5928246fc2fdb41d3e3fb6f75e25abc4d2cab41a7b12a664d5a3cb3cc3d85b25f9257a86067ef0269a

        • C:\Users\Admin\AppData\Local\Temp\00294823\[email protected]\bootstrap.js

          Filesize

          2KB

          MD5

          1b53c596cfb1aa2209446ff64c17dabd

          SHA1

          2542da14728dcdbe1763f1ee39fe9ceae38ad414

          SHA256

          a7dfea4bf7e1d46a8b8e64ccfb2cf35017e3a5b350eead26d6671254d2b3c46f

          SHA512

          be54481675c38ef6a41697cf8cd3ab5a0b126922b192732a9c587dd8905b74b66c79eb0c849f62bbe8934979a894be63734b0ad59ffae295f5797cbfaa327030

        • C:\Users\Admin\AppData\Local\Temp\00294823\[email protected]\chrome.manifest

          Filesize

          98B

          MD5

          02ea7e558a7310617de678b40388ddde

          SHA1

          f3ff4614008aaa24c333b9aa7d4ed26d13cd0931

          SHA256

          eadd248c4ac257b3ced766a87f4af51f7f4d422c3fa6cb1057ee057808a13657

          SHA512

          bb173562dded48410eb15a9a508e5a51ebd6786578e782e533e169b10fde8461f59fd7b067dc978812602e67fd014cb0d87f4a2ada216ad6124fa6b9af1f6365

        • C:\Users\Admin\AppData\Local\Temp\00294823\[email protected]\content\bg.js

          Filesize

          9KB

          MD5

          41a5094d207708e67937501986a663e9

          SHA1

          d445a7e289f4ecfaa32ff3f710a4256a04fcffdf

          SHA256

          a80c41697baf3300ed46c12d72e3405e71155dc7c16130287722493e9fa86bf5

          SHA512

          b3075e6443e121370785a450352376db56043b52529a3c9fbb72576985d0f058086b4361b77cfd65b20f02a27777024881864e181d64e96bcc5fae02d2072d50

        • C:\Users\Admin\AppData\Local\Temp\00294823\[email protected]\install.rdf

          Filesize

          611B

          MD5

          d3e9af47c32db9e21401926161462b3a

          SHA1

          f99b183c53693bc2da5b4c1d49db005703e1f1ca

          SHA256

          e17bdab130677a6a37a5e04e874d0b41b9483fa4506f65db387615c8fda39b8a

          SHA512

          845b0b39a3cbf318f85bd4ffc1d01304cc67ffcd2ab21784c2e62db7bbea796a2f585e840ed54c3f4739a26dcad3c00cdabaef0e71e2efee288b3b496ae1b0c2

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

          Filesize

          140B

          MD5

          7b920a83a01cb3e572c6a6353506d430

          SHA1

          15f7f089505959e0f3f1be33181ae7e2abca39ba

          SHA256

          61846cbf3d2b18c9ad906d66dfe4bfc5c25b7a1652d1c92f236668d7408eba60

          SHA512

          c0b1314c9687337fe91b9e573169cb6cf796a1c4ea4f88aa20fa30a62f5a643fd00421343da01a6b75e3f7f1368e76df46ea20b311cd7300918737da6640dbb5

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

          Filesize

          197B

          MD5

          5f9891607f65f433b0690bae7088b2c1

          SHA1

          b4edb7579dca34dcd00bca5d2c13cbc5c8fac0de

          SHA256

          fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b

          SHA512

          76018b39e4b62ff9ea92709d12b0255f33e8402dfc649ed403382eebc22fb37c347c403534a7792e6b5de0ed0a5d97a09b69f0ffc39031cb0d4c7d79e9440c7c

        • C:\Users\Admin\AppData\Local\Temp\00294823\oaepdkjhkapjmdpcalgcnpennbfckidc\dHd.js

          Filesize

          5KB

          MD5

          5fa247cd1763fc06b9d8e74be6e1fabd

          SHA1

          8c39c126b05cf2b068e91213353107fa8615d9be

          SHA256

          d6879ff9791b2b603bfbea25c46aeb91fd9de44fec0a28107a1051dc7a40241f

          SHA512

          efe69d2b568303f48c97a33adc4cdc6ddd7bebdc764e690016ff779c5bbf29f636a574c79a74e39644761d73f946d4ac1acd4d6713a82717eb42fee89ccc8b73

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

          Filesize

          559B

          MD5

          209b7ae0b6d8c3f9687c979d03b08089

          SHA1

          6449f8bff917115eef4e7488fae61942a869200f

          SHA256

          e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704

          SHA512

          1b38d5509283ef25de550b43ef2535dee1a13eff12ad5093f513165a47eec631bcc993242e2ce640f36c61974431ae2555bd6e2a97aba91eb689b7cd4bf25a25

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

          Filesize

          511B

          MD5

          b4014f8b5284afd8e0f2a2a6d1bcfaef

          SHA1

          6d32b7db890db129d073a968c74b4996b984d84b

          SHA256

          8931bc89a023e8d47425bff3c0dcc0b7b718a0524c0901428efc13e69e7585ef

          SHA512

          e35c6811898e686f7dbe4af3c1915b38ed94b046442101e82051233e53eaf5be27da7f58a09bb483e689b4f9cc3740047988eb47bfa37d101d7b14a27f2eb99c

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

          Filesize

          1KB

          MD5

          3acabed773f5e29b9670010033e373c1

          SHA1

          85f93048a6617e0726762d1de853cbc3d6f8e368

          SHA256

          9608c6ca68941ade2361c5345b92ff6d5add7f8099223eff4f1dea364e97a7c6

          SHA512

          e206a150a5b7c77a100c1d1895fde0f8820cbc9ddbc3bc9f3c170c56b4e86180a88cc51504f6ef99aa989761a59a3f732cc051d8687f77e6acdf6f73b0b7344a

        • \Users\Admin\AppData\Local\Temp\00294823\Dwr.exe

          Filesize

          334KB

          MD5

          8300c91b40229b42301aebc6d8859907

          SHA1

          0b55e56a6add6b4dd4ceff475a0018a203d02a5a

          SHA256

          f54a6814ac06c70ef5b738eca4855e49039783d96b70ba1ae461bd90877e53b5

          SHA512

          0863750da143e1707513f4a2efe1ad6cf81f5a819c7d5496d1629745afffcf72338aa9de90479d5e0936e848f9b260c434fd369027c56be175814086cafd4d8f