Analysis

  • max time kernel
    139s
  • max time network
    78s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-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 1 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 3 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\41fac0ed95daf15301bb58ac2be439f1.exe
    "C:\Users\Admin\AppData\Local\Temp\41fac0ed95daf15301bb58ac2be439f1.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4696
    • 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:3472

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    3KB

    MD5

    635f7e503e07889bf64c098328c9ebf7

    SHA1

    23558a4868898953fdf3b3efc7de991e84537cdd

    SHA256

    dea1bf843805cbaab0225890c212fef11261f989b1fa2ae5c7e1a0ee5c10bc88

    SHA512

    b15bb3c7b7e807f72da568f5bf46f2f1fb479d93073cddcdfd631863403b9954d025c563c055a57cb4debab1d1c7e1424a7442ee1d12c96bdfbe97843472bcf4

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

    Filesize

    17KB

    MD5

    84a2bd710bdfefea2d1cbca8f8c82093

    SHA1

    24d6158fd8a66b75f104efbe3db9619753f479e5

    SHA256

    2a1c6daf0ec5efb68afad54d218222abb5458a7ff363c79a2cf6386fdea000d1

    SHA512

    3e0d8343f9dc430e3c36f41b9a71019c3fae593a97a9d2522d93efdf661ef7115c15a6e25f28efc0d978d121c65f6abd788d38961b1ef4b0e40c946e8ef7e961

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

    Filesize

    57KB

    MD5

    dae5d9e90fda7faf068efc4ab66ea4be

    SHA1

    e2f5a81f5a6972d30129e9adac8f7329d2af9600

    SHA256

    6822eca09920a59bc8695b7fce998d7e679c552c86e9892d55a82d47d894c377

    SHA512

    dea82c5d74556f79f13183565a7aa5c953ee400c892c45609cba599600ecf4147fc53e99eb0bed08447b5e0eb60d032c7d5e58e6c746ae667b07a340fe463d39

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

    Filesize

    5KB

    MD5

    433d2772776151b99f740ff001fb4a8c

    SHA1

    0364e343d296325474c3985b2c030d77a7e0d6ab

    SHA256

    20e46aa1fb48cd043909df09489dfe0699457848729fbacc0cba0928822d827d

    SHA512

    91cd98f04aa2e76652622211b36ea65c073fff05d37f37081376d318106831353eade3b5d331a78fd929a53515abd2b9b28556f1aba376d33d95729302c0fe41

  • 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\fxMjk81D.dll

    Filesize

    22KB

    MD5

    fd5227bdda55749cdc674bb54662b2e1

    SHA1

    1c156d96ffca2637615113f99d791730936e1112

    SHA256

    04cf4faebf81aa30e9a4b061f8c57246ab2255fa8822c35ed915e6e4f2b09656

    SHA512

    c91c89a6df457d5438f62310ac76f4aa074ee4a8f45b73b932c689d04f975bcbce8731d585f747257840872db6c881a669c71b61976267d63d1b54fdf4bf59d3

  • 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

    42KB

    MD5

    6c25671e1f7ca7311c8014ceeae23399

    SHA1

    f353c625255a5e7867ec15505c0c05c3e0964a0c

    SHA256

    2c24bb8942092bbb6cdf3b3993570ebec25bffdac5a0e2ab2c497cf5632a9ba7

    SHA512

    3af00c304e9d4e36f2e68ad1b76480bcb318aa71d5e7c88368c2546160c91513d2d0883596ddd0af918c17868d4361a32854c17dd72ab551e6b527691baae067

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

    Filesize

    1KB

    MD5

    f24bb8de3d6d64f51608e5ab12111c13

    SHA1

    33fc6d2d9a6f097b2a35ba0ec46d56e445f439e8

    SHA256

    7557449fd89975d9b3c61a245be586977163bed38e19df0211854eb013e5cce7

    SHA512

    ea7976285ab6f15941e2ffece49f3992b335305e8cfa7f84acaec3c11a6a9356594195cc5cec0ee6cc53e7bfe3372077607aa4eed9fb879c726b9333562b606e

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

    Filesize

    35KB

    MD5

    9ef4b1d5ab53171d477e8f0b02aa00b7

    SHA1

    38230d133c2f6a79ddaec851535e0e0b2890d679

    SHA256

    948ce3eaa10f3222cfe7496caad9ccf86111346b98a1f94630a98739a4181679

    SHA512

    0aebfe2cc6e2c138597bfb269c1c2747e80eafede29ca34a0b04583b4d0465f9512ae4ced96f43fe5dd28ed5f697774b83a9d6725f302c96c342bc7c13cd082e

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

    Filesize

    23KB

    MD5

    507cc9c7343346c74e2465eebf40dd05

    SHA1

    3509f21d2c21b1465e5b3a74fb58d8ee5bade86a

    SHA256

    8c1e4f3f572db86b34372f0ff89652362ac0bfe029b1cde9c37ef20f853752ba

    SHA512

    ca97714c6a7280dacf82b97699987448373832ebe6573bb97b31462bcc5c87d5fc8fd9e467338dc0e122fb334e6c2fd3e13f98ab3887b6700dbf09f5cef7ae57

  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\i99dxqdw.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\mlil8stk.default-release\extensions\staged\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    1b53c596cfb1aa2209446ff64c17dabd

    SHA1

    2542da14728dcdbe1763f1ee39fe9ceae38ad414

    SHA256

    a7dfea4bf7e1d46a8b8e64ccfb2cf35017e3a5b350eead26d6671254d2b3c46f

    SHA512

    be54481675c38ef6a41697cf8cd3ab5a0b126922b192732a9c587dd8905b74b66c79eb0c849f62bbe8934979a894be63734b0ad59ffae295f5797cbfaa327030

  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\mlil8stk.default-release\extensions\staged\[email protected]\content\bg.js

    Filesize

    9KB

    MD5

    7b05dbb1786f51466e0e82934a94e1d7

    SHA1

    2b06165bc6128a50e2cbfef9cb2e8a69ac092b5e

    SHA256

    77688c69db6c104a667a5f49683710b54414344f872cb769af58d3afd497549a

    SHA512

    636d50147d8ac56e882cadc737092316074190bd405bd3eeaabba49b941faf4b775470cec22380966a17662cc9e75404f7290dd2dbe3ade5fe542e7b020700fc

  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\mlil8stk.default-release\extensions\staged\[email protected]\install.rdf

    Filesize

    610B

    MD5

    213defa29f5e7fbdde784a4dc1dcf889

    SHA1

    4e1a90379daf0602657d63e60379eb5439b86541

    SHA256

    f4953bcebc9c889b9ea24c0b227b02f667c7a2918ae2d61929c45583d0eface7

    SHA512

    196eae990d7205576cd93608ac736e237733fb28749e6b7326c02b01663cb09cf77dee051ca5e558a37921c5d9109c4a82af4b5b83206a1f28e3b2ca99fd23eb