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Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    05/03/2024, 16:54

General

  • Target

    b5304d882c2e46023660aecfee009511.exe

  • Size

    250KB

  • MD5

    b5304d882c2e46023660aecfee009511

  • SHA1

    c3728b09562192e4a90e5972715034f61d56c3da

  • SHA256

    aeb798e129625ce304897ac43098fdf91a5df9d30b16dd0fa6302f87c826a585

  • SHA512

    c1cce2dbffc6795361330a83cd1c9c9a1eacf8af986ce2cd417940b6064ae9bd2535dab52554e60bdf1517e140fbce2c9ade13c7bf546a5891b7fa5ddf234622

  • SSDEEP

    3072:hn1/uEAgDPdkBlyFZ+ScjaiKWbETBquAEXlqsUUsA/4OmJxzWza4Jm3zyyZmDJtN:h1OgDPdkBAFZWjadD4s5onPD4Jm3r/Fa

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 3 IoCs

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • NSIS installer 4 IoCs
  • Modifies registry class 45 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b5304d882c2e46023660aecfee009511.exe
    "C:\Users\Admin\AppData\Local\Temp\b5304d882c2e46023660aecfee009511.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:640
    • C:\Users\Admin\AppData\Local\Temp\7zS934A.tmp\51161bdb61761.exe
      .\51161bdb61761.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:2608

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\Zoomex\uninstall.exe

    Filesize

    48KB

    MD5

    f3c79bda3fdf7c5dd24d60400a57cadb

    SHA1

    1adb606aaeedb246a371c8877c737f0f8c798625

    SHA256

    a76272ed3bbf23308782a308d428ee805ec77fbb622a830af26cb0ddbbf7377b

    SHA512

    c43cb957bdea357bd016fe03a8004a48d8117a12106f62876394feba05ad01a321ff6017ffb7b926cc77712f5ab63ea2e4b169a419c444c8f62aa4933f289935

  • C:\Users\Admin\AppData\Local\Temp\7zS934A.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    769135d0f2b26f4f1c8b577c5e8898a7

    SHA1

    78d429532ce2a082350fc3b3ceb493c4b08b334e

    SHA256

    081f39df9c96392050803e7666087e061d7b10d28b8f2164105e4ff98e2eeac9

    SHA512

    db922e778bb46097e0bbb6308e7bbaae82e4ccfa433f654bfdd346142ae822219a46fe3a7d8bba8b4cf240609163e932cc649a6f666abf3fabfc4b521851134c

  • C:\Users\Admin\AppData\Local\Temp\7zS934A.tmp\[email protected]\chrome.manifest

    Filesize

    116B

    MD5

    ef73e601b73a3e43ddf72fe0bb778502

    SHA1

    ea81931ea1feeb77b2ed89f7f0905998dd5e50a5

    SHA256

    4c9b5deb4a64b9a908e542713e231cdb25cd37c4c2bf0eb205225174aeed5625

    SHA512

    ef8efce579fff1947065edced5c59606e1cec91048eb941e61d910a898cb0aeda919b72fdbdb34cc526ab735b2955d0e0f75c8203e79a34a95fa21a9aa661c9d

  • C:\Users\Admin\AppData\Local\Temp\7zS934A.tmp\[email protected]\content\bg.js

    Filesize

    8KB

    MD5

    8d1b1177dc10b68ae9e01ec8b0963860

    SHA1

    2165bb1be2dbe665a02e9ecb6d4ac4128cb09c88

    SHA256

    1997438f905536abffbf713d46c497600ba8de46fb4617acd553498c8719afe7

    SHA512

    dcb92829733d39d870693ccf3bfba25b85080db99a7c7df780f0fa41395e0b8e28f95f1f2d0d5105489dece3d09fbd8d9d5d55cce532fd25f049387e9bd63b6e

  • C:\Users\Admin\AppData\Local\Temp\7zS934A.tmp\[email protected]\content\zy.xul

    Filesize

    225B

    MD5

    42c402cad635b0ee392b99879a76d42c

    SHA1

    efd666f5ea2e932ed3e15cd51fe03d2d8d7061f9

    SHA256

    0b7e2e4b69d6c2428f63843c120d2f8005398ceebde8930102135e6ec61bad6e

    SHA512

    61037a63d5fda961d798c042b53d078c043f723554f670f51c1cf93be6a74702c6c39ec0f691c96816314add9f3d44e31f35abe38c9101c131d341f00bdc1472

  • C:\Users\Admin\AppData\Local\Temp\7zS934A.tmp\[email protected]\install.rdf

    Filesize

    700B

    MD5

    9ef1572144b096fe0780d47e2b9b0d2e

    SHA1

    85263e78dde1c6949e311dfe5cdc78df727bb58c

    SHA256

    fa4b2cb920d8f5d99f06c961829820320eac1d7cbe8c8f68a6f14b36c2a4e0fc

    SHA512

    24d527545f828ae18469715c94002ed765a05a9d043076066bd5f53a2f27a7fef6d8fcd4c30d4e268de66ea842ca15b285b1a163a4f767939edd8575967c13fa

  • C:\Users\Admin\AppData\Local\Temp\7zS934A.tmp\51161bdb61799.dll

    Filesize

    118KB

    MD5

    44f1dc155d3d083b677f20ed0fab8404

    SHA1

    a696c5a0d50145afde3d3a71f70b1c3006ac2199

    SHA256

    67014a6fc8a77ae480dae9b09f800a1f40a40399ef967f86843a80eb4c9eb470

    SHA512

    04a7098abd589eb1a533af6f89d0d982d2faf9c4e7e29d02abaacf81635b789acfb5ca026f7a0c6b4a263934f0425c69f5225488c450e864f8dc8000ffbf94f6

  • C:\Users\Admin\AppData\Local\Temp\7zS934A.tmp\51161bdb61799.tlb

    Filesize

    2KB

    MD5

    c749bca713cf6481411b5c4eaac4506a

    SHA1

    539cb813dea7e37eff8c1b696eb0ab42c815ab62

    SHA256

    0a94d2086eb6ac57ba5ee365d3f6f64f33e7c8d18419f04715460bc04ebddf2d

    SHA512

    11b3b333b97b1bbbbbf01b6d367188698470877e180a3854ec9762f706755156136b404f2b95a7304a890686d8f5f697232e6c28497aca20e0aa76988b0f179a

  • C:\Users\Admin\AppData\Local\Temp\7zS934A.tmp\dlekhpebjoeolhilpleboafmmmaeoaho\51161bdb6159c7.06481870.js

    Filesize

    4KB

    MD5

    b72bbdba52d5d002fb1ac50fada4614d

    SHA1

    362e0dc3d0d34350d6c0542498f65c4a22d02cde

    SHA256

    2b875feb05da0c69c535a11cc404ee1045f61c83200c4adca66d91bfbf85cf3b

    SHA512

    4cc25b2ddc981c36f54a455fee50097210bef3acfe0d445286d55f52fb8249a1fd42aa25f827671cd586c1ce5b81b508b4e6211dccf2763a84802c695d942d5f

  • C:\Users\Admin\AppData\Local\Temp\7zS934A.tmp\dlekhpebjoeolhilpleboafmmmaeoaho\background.html

    Filesize

    161B

    MD5

    5d98c7712adfc0a92763f07dfd8b6917

    SHA1

    52a8d9ecb936c5d7a0caec33ce4607f0ab7f873f

    SHA256

    8e1d0bf71d7503f5df356c5facc9e323c1b298286a84c84b2428d5355dff4a40

    SHA512

    8d19db1ff80d547673d55b9d04f5ad736a9813d973844f83ad7801a44131c8c40e9092babf7a076791eff673a31c1af4670160e7ed75d02fc3a5e12b1b921b26

  • C:\Users\Admin\AppData\Local\Temp\7zS934A.tmp\dlekhpebjoeolhilpleboafmmmaeoaho\content.js

    Filesize

    197B

    MD5

    5f9891607f65f433b0690bae7088b2c1

    SHA1

    b4edb7579dca34dcd00bca5d2c13cbc5c8fac0de

    SHA256

    fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b

    SHA512

    76018b39e4b62ff9ea92709d12b0255f33e8402dfc649ed403382eebc22fb37c347c403534a7792e6b5de0ed0a5d97a09b69f0ffc39031cb0d4c7d79e9440c7c

  • C:\Users\Admin\AppData\Local\Temp\7zS934A.tmp\dlekhpebjoeolhilpleboafmmmaeoaho\lsdb.js

    Filesize

    559B

    MD5

    209b7ae0b6d8c3f9687c979d03b08089

    SHA1

    6449f8bff917115eef4e7488fae61942a869200f

    SHA256

    e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704

    SHA512

    1b38d5509283ef25de550b43ef2535dee1a13eff12ad5093f513165a47eec631bcc993242e2ce640f36c61974431ae2555bd6e2a97aba91eb689b7cd4bf25a25

  • C:\Users\Admin\AppData\Local\Temp\7zS934A.tmp\dlekhpebjoeolhilpleboafmmmaeoaho\manifest.json

    Filesize

    479B

    MD5

    d9670f9c069ec46aaff5a60a9608e885

    SHA1

    c15da079582c4bf21b06e934dc78f3bd8fbc5607

    SHA256

    a631255a7467449ff89bb97a8d97632411076d00bfb8dc84c19abd100e235e7c

    SHA512

    d7ead015d25cdf1d31ec3330020bd43c5ec702a148c130083fb5ee70a8a4691fe94db7f9390b93d7afbc083531c9c1f23d29bd607c22d7cb362a0cb299645ad3

  • C:\Users\Admin\AppData\Local\Temp\7zS934A.tmp\dlekhpebjoeolhilpleboafmmmaeoaho\sqlite.js

    Filesize

    1KB

    MD5

    17c6059885a866f80feaa2da5dd54905

    SHA1

    631e3903c968e0b8b332fd0ee3b49777289b9749

    SHA256

    be1859c5f5a485b174cc15ce201ad42d6acf03cbec40a49a710e2dd3e94d1649

    SHA512

    3ae3ecfc709bcd69558e24124cb015ff7bf1ed60f48114cf1b144004b7003a999051203c66c44b1035606e1782d0798c3a67433406bc0aeaf14befda383d04e6

  • C:\Users\Admin\AppData\Local\Temp\7zS934A.tmp\settings.ini

    Filesize

    7KB

    MD5

    f680014afa9d2779224606be7c1d19f0

    SHA1

    e8f8ee0e8cdebe154a3c4a577ae20879087a4228

    SHA256

    961aae1b09f0ce2620bd635ae359d2eba970b9f2c1469e1b2884cc2769bdfc81

    SHA512

    5f0278755b3653752fd9a277a3a672486b8e6287d945fa07417ea600c5aab52e39c35a7ee4fc7424d7196728683ded65773d9c2f1e9b8a405cddddd231114426

  • \Users\Admin\AppData\Local\Temp\7zS934A.tmp\51161bdb61761.exe

    Filesize

    71KB

    MD5

    b78633fae8aaf5f7e99e9c736f44f9c5

    SHA1

    26fc60e29c459891ac0909470ac6c61a1eca1544

    SHA256

    d205693516dbaf34cfbd216e825190de4de1412e861bc9cb30ce863907b30d22

    SHA512

    3885b609269b26918ccfcd9069181168c12f4271b6bdfcc51afe176b2dd242d4c0953ac1a4ddaf25abcfaf28a0b694a6269d96ae39bb7b2db2f0140d2d60cd43

  • \Users\Admin\AppData\Local\Temp\nst9500.tmp\UserInfo.dll

    Filesize

    4KB

    MD5

    7579ade7ae1747a31960a228ce02e666

    SHA1

    8ec8571a296737e819dcf86353a43fcf8ec63351

    SHA256

    564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

    SHA512

    a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

  • \Users\Admin\AppData\Local\Temp\nst9500.tmp\nsJSON.dll

    Filesize

    7KB

    MD5

    b9cd1b0fd3af89892348e5cc3108dce7

    SHA1

    f7bc59bf631303facfc970c0da67a73568e1dca6

    SHA256

    49b173504eb9cd07e42a3c4deb84c2cd3f3b49c7fb0858aee43ddfc64660e384

    SHA512

    fdcbdd21b831a92ca686aab5b240f073a89a08588e42439564747cad9160d79cfa8e3c103b6b4f2917684c1a591880203b4303418b85bc040f9f00b6658b0c90

  • memory/2608-80-0x0000000074D80000-0x0000000074D8A000-memory.dmp

    Filesize

    40KB