Analysis

  • max time kernel
    118s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    06-01-2024 02:11

General

  • Target

    41fac0ed95daf15301bb58ac2be439f1.exe

  • Size

    1.0MB

  • MD5

    41fac0ed95daf15301bb58ac2be439f1

  • SHA1

    f9b4a3edd8a27b637e9230ec14359eb085e8bf1d

  • SHA256

    107fe599373eb273b4bb7a4b7a1bcdd28119aafa4f20ad84023c8d5d59f15618

  • SHA512

    1e2408033da24ff879f6e1ed43b85024261b5a76b0ce96d4d8c683d108434b094183cf57d5078a5dd4def8d1b12d1624f0428eb9a51d7371f18786659e4a4316

  • SSDEEP

    24576:PLiveU1AQ9OP2iJN9DKvzGRHWUOrvVdi+9zIlNTWs:PLNp9PN5mGRH0dL67

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\41fac0ed95daf15301bb58ac2be439f1.exe
    "C:\Users\Admin\AppData\Local\Temp\41fac0ed95daf15301bb58ac2be439f1.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2844
    • C:\Users\Admin\AppData\Local\Temp\00294823\qwAhCVHdV.exe
      "C:\Users\Admin\AppData\Local\Temp/00294823/qwAhCVHdV.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:2724

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\DowNelooad keeperu\fxMjk81D.dll

    Filesize

    48KB

    MD5

    abdc593ce1096d850837576bfad25a04

    SHA1

    213129b0d7644a6d375ae672c4900f37f8f5a9ce

    SHA256

    1ad901b1f95b38c230d709d1e4a34d68908396ae982f2bc42ad3957af380cdeb

    SHA512

    9a5b58b56c85965351e56dde356a493d568012d0f65e5d0a7f8f4b3a79839d9c4b0a6e3fa6160ae707c04de2254b9796fd0d5afb59044f74e7df83b9dd115656

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

    Filesize

    146B

    MD5

    4f56e42ed40d69ff261843b8e98a76c8

    SHA1

    b352f0caa6fd3b7095a4344a1b39ff0db32cd02d

    SHA256

    f38959dae15e6352ccc042cac13a281700e247d2aa73d54999e4976a288eee5a

    SHA512

    8a64871dfe0dd803aac58f6313e94ca2234f7be86a555d03093d90d9ceb15adbc513187f4518b0a26038129994b99117d6cfac54098a5dc7da8d187fb4b73e02

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

    Filesize

    197B

    MD5

    5f9891607f65f433b0690bae7088b2c1

    SHA1

    b4edb7579dca34dcd00bca5d2c13cbc5c8fac0de

    SHA256

    fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b

    SHA512

    76018b39e4b62ff9ea92709d12b0255f33e8402dfc649ed403382eebc22fb37c347c403534a7792e6b5de0ed0a5d97a09b69f0ffc39031cb0d4c7d79e9440c7c

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

    Filesize

    559B

    MD5

    209b7ae0b6d8c3f9687c979d03b08089

    SHA1

    6449f8bff917115eef4e7488fae61942a869200f

    SHA256

    e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704

    SHA512

    1b38d5509283ef25de550b43ef2535dee1a13eff12ad5093f513165a47eec631bcc993242e2ce640f36c61974431ae2555bd6e2a97aba91eb689b7cd4bf25a25

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

    Filesize

    510B

    MD5

    97e575b74dde34a4aef994d8f468b6ac

    SHA1

    22ee48a40919fd7873625686aaff221af51c36b1

    SHA256

    b3a6c9e8162eeedccc573d3379e555e08a3599d4414311546ea8ed1d1907e90f

    SHA512

    cb37dfc7e6156d551118fa232670497aab5c1fcd3951d0d86dca4f07b4142428e25c1747741f07030886eff1ad40158d7ad153458e0d6153371bbe8cd1ed8191

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

    Filesize

    1KB

    MD5

    6cbef2c2bff6910331b657f9f2ef45f5

    SHA1

    79f572a2dba1c7e32c376effe591b51c0c74a9d4

    SHA256

    20f628e7c28336369df73a8892829c9d2bedbaef13421babb466cca742f54f4b

    SHA512

    fe454cb7e982ca277d23cb78a2e8b81a6d450e438ff4e63875765520dd0a2c2265993938e59a66b0a9824d8f3166278042a50fb7993a487a1f27290705d5991a

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

    Filesize

    610B

    MD5

    213defa29f5e7fbdde784a4dc1dcf889

    SHA1

    4e1a90379daf0602657d63e60379eb5439b86541

    SHA256

    f4953bcebc9c889b9ea24c0b227b02f667c7a2918ae2d61929c45583d0eface7

    SHA512

    196eae990d7205576cd93608ac736e237733fb28749e6b7326c02b01663cb09cf77dee051ca5e558a37921c5d9109c4a82af4b5b83206a1f28e3b2ca99fd23eb

  • C:\Users\Admin\AppData\Local\Temp\00294823\fxMjk81D.dll

    Filesize

    63KB

    MD5

    019c91e553bb81ffb10d821b3c851921

    SHA1

    26c5671e902ea52621bba23d52952dae23da9f90

    SHA256

    c94acc0c85e4669876748da822081db0ed66e68bfd57c4c0053f8bec28755ffb

    SHA512

    08382ed2f9af2ac18d98339f7c4faf36cce3c57c0d78a16bcd929a5847907cb2f687b695a8183a88e8dfbf072eda2ddddc336fd6a960e9e8013aca018510f16e

  • C:\Users\Admin\AppData\Local\Temp\00294823\fxMjk81D.tlb

    Filesize

    2KB

    MD5

    9156db5f76d48049dbc41fd1b58b3f34

    SHA1

    5eb1df59f9b5b06ab00137fc9e6451e323d3102c

    SHA256

    66fab808188a98ba49d99b723a181aa6626197d50bd2d5e15e076dcbc6fbb2cc

    SHA512

    742a77e71c34632146e16acadb6b381694072c7f4c2dea1df1dfc645ed42673ba153c832d167474dc41f9b608142a8c41b4aecda1efdab90d87d4f5c718bf149

  • C:\Users\Admin\AppData\Local\Temp\00294823\fxMjk81D.x64.dll

    Filesize

    89KB

    MD5

    c9e5ec48d3f9fbaef79e3c3b7ada31f9

    SHA1

    50393116566f9ab51bc5216cb2440da5c1f0b957

    SHA256

    2460d01c086eb6f9b4723de4c64bd5fb9d9b4119455e43612c48569605d8f464

    SHA512

    ef946678b03dbb9b77be5c47ff42646f0871e94e2d065a3b0bdf794f4c0f92b6678597b81f11e0f299305d5f78c81cc6b4fb65c313c89bd382485260eddd9fe3

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

    Filesize

    3KB

    MD5

    635f7e503e07889bf64c098328c9ebf7

    SHA1

    23558a4868898953fdf3b3efc7de991e84537cdd

    SHA256

    dea1bf843805cbaab0225890c212fef11261f989b1fa2ae5c7e1a0ee5c10bc88

    SHA512

    b15bb3c7b7e807f72da568f5bf46f2f1fb479d93073cddcdfd631863403b9954d025c563c055a57cb4debab1d1c7e1424a7442ee1d12c96bdfbe97843472bcf4

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

    Filesize

    18KB

    MD5

    3645c36ab2f0f57982826460ccd6a908

    SHA1

    3162729cb17507a3961e78952e53b5d7c3f6cbfd

    SHA256

    0e0c5a319b0ae689fb810049a255b3e276f7edfc005b6769edec074ea764a3fe

    SHA512

    425f7f069f281135967f380825eb1439ce406b080adf07beca9773891557034b9a96ced8a1e7da4d92bb6581aa1a26e3aa24a328f0d984062e42bfe2950efeb5

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

    Filesize

    37KB

    MD5

    3b41c30cd4278c1b8e77843feac645d4

    SHA1

    d68349eca37b8afa70485c8c121ed1097134d113

    SHA256

    959a9c51142e31ead38ee100f5c5f45d0ba3bf573c4a12ba8c578f88e8082164

    SHA512

    a8a95446cf0dddddfd810c585ddc1a4f6b32a0fac9475fbef27d59b94fa98853f0b4c771b76231296d04c686b5cf8e62e7edf0ee0ce34b464f1e2d6a552d9f5c

  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\xm25i6ct.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\xm25i6ct.Admin\extensions\staged\[email protected]\chrome.manifest

    Filesize

    110B

    MD5

    165579120d63380abbc1df0ba4a9b87e

    SHA1

    d2672619bdb80a2d3ea24fb77d3f0a51e27fd1b8

    SHA256

    7320eff6806d24fc4e89bb204901badf11ed3e89bca5c88be27f526f490aeb46

    SHA512

    6a983cb58d0e2f20ebd2238b5a804598ae732e8a62e1d0da4f4032621cc8ba4292e67ba52a75100ca8f6cbd4482be11f86dcd6f0abf52fb2a4c812680cc4004b

  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\xm25i6ct.Admin\extensions\staged\[email protected]\content\bg.js

    Filesize

    9KB

    MD5

    7b05dbb1786f51466e0e82934a94e1d7

    SHA1

    2b06165bc6128a50e2cbfef9cb2e8a69ac092b5e

    SHA256

    77688c69db6c104a667a5f49683710b54414344f872cb769af58d3afd497549a

    SHA512

    636d50147d8ac56e882cadc737092316074190bd405bd3eeaabba49b941faf4b775470cec22380966a17662cc9e75404f7290dd2dbe3ade5fe542e7b020700fc

  • \ProgramData\DowNelooad keeperu\fxMjk81D.dll

    Filesize

    118KB

    MD5

    e54bd2599b5b6cabacbc595068dcd966

    SHA1

    aab2252267b4e23a9452617f19a880b0a353fff6

    SHA256

    916d771b889d5ea42f37913dcdb1c4be94d160b5f1c7eccab5f667e0e6876bd2

    SHA512

    d2f8863c53d360f751f4116f1197b68b645eaac9cb5c290203bd4813609658380ad8b4a039e8946abb68c0d5a5e7a46a2add21c882d676461755cdb6b4ce2e3d

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

    Filesize

    5KB

    MD5

    e3d558d6257c4cfc089c300eddaa6be1

    SHA1

    7fdefd74bc36221aa882a20a14236780724e4e71

    SHA256

    0779a86646567f2bfd35b0ef6a5335592dba858699e3adb18f9fd3a0acbc8397

    SHA512

    b0a1309568c78c7a3bea059085b8a34aa2206a9f095089e3082629fee247287b08f16eee6eb8c81e4d38fae2a3dc77ded6f31c5fe6fb492763190168bce55910