Analysis

  • max time kernel
    1s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-12-2023 00:21

General

  • Target

    2183aa06a9f4089d657917e5e78a407c.exe

  • Size

    1.5MB

  • MD5

    2183aa06a9f4089d657917e5e78a407c

  • SHA1

    6581cd43a14b8eb63be094d0141d2e3ce5657be6

  • SHA256

    15af89dba8bef59a6aba55d0b2120a432a8385fe30a5cdcacca58eb164ec7119

  • SHA512

    9cb8e92164d5b79eef6e26375c3190c299313b33f091151c2fc63040935166d640252f137bee26ea600ae3365826ca8b7fe3ec30d0a50ff027760bbc02c542ff

  • SSDEEP

    49152:xF76ZdwqH+W2Ws7wvdeCTWZlzD1U/oCNCzP6Q8Q:xlzY+WawFTwl11+ir9

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.

  • Drops Chrome extension 5 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 4 IoCs

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

  • Drops file in Program Files directory 8 IoCs
  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2183aa06a9f4089d657917e5e78a407c.exe
    "C:\Users\Admin\AppData\Local\Temp\2183aa06a9f4089d657917e5e78a407c.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4452
    • C:\Users\Admin\AppData\Local\Temp\54074046\tx.exe
      "C:\Users\Admin\AppData\Local\Temp/54074046/tx.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • Drops file in Program Files directory
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:1292
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\YoutubeAdblocker\Y.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2360
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\YoutubeAdblocker\Y.x64.dll"
          4⤵
            PID:4236

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files (x86)\YoutubeAdblocker\Y.dll

      Filesize

      176KB

      MD5

      6da665e0d6df61bf66a46e3c00578be6

      SHA1

      75a20f56f50ab84f43c7d5e8700bc8e48416d564

      SHA256

      09365818f3c3d97d8e24f6b808c08b55dbc66c893e017ae2212d93e96e4a79ce

      SHA512

      1707326176c0495a042fd95ae4b642b319213ade03ef0324c41db14f975494e8fcc832410b0871d0469bda9329cfe5b92b96b107f88ddea8e1b5b53e51c15a45

    • C:\Program Files (x86)\YoutubeAdblocker\Y.dll

      Filesize

      84KB

      MD5

      d782dcb432892ec48443c0bada444b96

      SHA1

      624c1f875340e1b1f13bbf25e6ba3eec3c4986c4

      SHA256

      927afbe1cfe6b66dbd669129e053fa734b58953ddb68d4ce87c792c9f0ad4840

      SHA512

      0cf31977a836bd8e858a2926d363db6924f945c039a1413bafd23bea3e30713e79b803fa941cb008175ac00f6d9496ad0a9e12e93cacf35d4e44416ac5abf6ad

    • C:\Program Files (x86)\YoutubeAdblocker\Y.x64.dll

      Filesize

      112KB

      MD5

      026cbd846692ba2d4673b60100d5aa2d

      SHA1

      08f1b13979f989deb88e34b60d8c58ff5e805ea2

      SHA256

      e4205761c72515520bac23b322f0e361590d57280cebaddbf2d0cfd087e145d4

      SHA512

      2922bd011a03b5e6e37fb11c4f73afc576cda11294aed0985969e92c05f0883b163752edbc703497f4da4592a9ea74ac575dd398898fda37653c8f91791be21e

    • C:\Program Files (x86)\YoutubeAdblocker\Y.x64.dll

      Filesize

      149KB

      MD5

      d6d198722f98e054ba0a210173ffb5c0

      SHA1

      9915aeda4836b27c0561e3a7a3380b5138502e53

      SHA256

      9f03ecfd78d95daf468645be5533d268e1e5c93499804875e6dc2d22960cad6e

      SHA512

      2335f3ce14194d852c039d6be72b1b20a1c628fb15e60b4a6b8fd776e8a9416a113ca48a71ca5736aafc20981989377d9ef0beaa81def1b6d8ef6f78878e2cec

    • C:\Program Files (x86)\YoutubeAdblocker\Y.x64.dll

      Filesize

      172KB

      MD5

      223a6c2ae29c56bc77c6281330c571c7

      SHA1

      54aed7e11197d906f544aeef593253f5c455c2a3

      SHA256

      88a74d6e0a7b4e41a9321f09eef3d15ecf72a9c237b4a745ec10ae42e9677aca

      SHA512

      44736caef07b9fd969153df88c176aae2b5e200f299a95a4150e75d66d32d4b04ce5ae23d40b2dae6b0498486286ab16e580160fc25758e15e7f6b92933f376b

    • C:\Users\Admin\AppData\Local\Temp\54074046\Y.dll

      Filesize

      232KB

      MD5

      93b9a157263ba874b208b73e80d9f487

      SHA1

      7df3a0dc2222332b1b03e2da381bfe72ca549eec

      SHA256

      9bce982cfc3dd6ba4745609a7e41ddfafbe5f19b2532e05ab888aea3623f1418

      SHA512

      3eacff9cdc03ed2ccb69778b3f6764dd277d6f949535a20b592807db78cb8b4ff4851c5f7e6abb15adcf4f4ecbb87b56e93038d8f59c9d735759fe125dd410af

    • C:\Users\Admin\AppData\Local\Temp\54074046\Y.tlb

      Filesize

      3KB

      MD5

      c4e4f9ae959ce5f93700ff76e4e0a0b5

      SHA1

      951aa1d74ae6092a91c01a8f2f7cbe9cb435bf13

      SHA256

      6c2c8c5167ffb730cb087d1d8518e4b0c3731d5a02caf3a0af5a75e76b15c95e

      SHA512

      a7641f8614f1916e992c9b888e53bc4d49802830762fc7f6f2d969046ca50b7591f05de0a9d08265fd77c50a9cb1d416c7006ab3d2a9d46a3889ab49c47e5a3a

    • C:\Users\Admin\AppData\Local\Temp\54074046\Y.x64.dll

      Filesize

      349KB

      MD5

      7b1cb1d2dd5d2dca60d44db638bf2c0f

      SHA1

      8550aff00ba06bcffa711108ce5d7b2770d47d11

      SHA256

      8268b2a7ec592aa19cfd6ddf18f36407b2137ab33bd0cd6201ade1edeb3cac00

      SHA512

      5002151c88c08803fb05251572707456ad1b22b55a7da534c710781ec7f55ab6dbae4dcde7ab968843b741c20d4e412a1ead82514f9e7b4399a8b6ae965a9187

    • C:\Users\Admin\AppData\Local\Temp\54074046\hdaecmgepkanmhooojhmkhfbfakkelnk\content.js

      Filesize

      144B

      MD5

      0654917402505bc71a231599d02e09a2

      SHA1

      e24d4fcf6f136c3be86b4dc01bd3bf446ce462ff

      SHA256

      9577828de9e701114e75cca9918972c9028689518882edcb6aa193f9353c19ae

      SHA512

      3e7077342d4c06d1192898a4ec5c9b19f3ca8883c5fd7c6e2a581d855959b748b5a8c4b07e3468cfc8b79e6abc1595fefccb41011c179da665567d5dc4b2da5d

    • C:\Users\Admin\AppData\Local\Temp\54074046\tx.dat

      Filesize

      3KB

      MD5

      1f56db9a3b8826d0bd8e5762c08be2d5

      SHA1

      ff29e7be5361af3bd553709c353a2bddb6565013

      SHA256

      b3c7e3f487101e973d59e446a69d103ab020edd0b38eb8de3a6c4bb4c2165363

      SHA512

      9d6e540f391037fe1dd5ee711953e9e8178e31112e9480e6d792f75aeead7e156bd3a88b2409c62b4ef11b4575beac72d1d59041108517eb0f84621fc2d436a5

    • C:\Users\Admin\AppData\Local\Temp\54074046\tx.exe

      Filesize

      14KB

      MD5

      808097240401b4ec6e9dfeee16474084

      SHA1

      f7cb85c7f82273aba718ace0ac303187e32e642b

      SHA256

      a7a29625b7cc8c0e9726095624b6ff5b4643ac71ef0365efa74e02f829bc75f8

      SHA512

      a8e34e7ec011699546c6ca235cfc0d8ea9a91a71a798299af7ff1d5cc7bfff81a0890e8311dbc1d612e345a05ef7f0ca8ae5a6af7c32117bb3377331f4380acd

    • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\dtar83su.Admin\extensions\staged\[email protected]\chrome.manifest

      Filesize

      22B

      MD5

      bcef38b7cd557cdb8fe11388bb63721e

      SHA1

      f7eb6edaf3ea0ff086cbf3249498b2213a71a75a

      SHA256

      713a2cf2a0ba4302102ee6f7a608c46b3324ec761c8f3e86321746018386f526

      SHA512

      6c0717333a83cd1818ec699ece47e4f1f4d9afd6b21567d95b395bbeb82008bfa648d8479384e7a26b0222ac0b02deb88075315b384007618cadc6d784327ab7

    • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\g5azq69j.default-release\extensions\staged\[email protected]\bootstrap.js

      Filesize

      2KB

      MD5

      df13f711e20e9c80171846d4f2f7ae06

      SHA1

      56d29cda58427efe0e21d3880d39eb1b0ef60bee

      SHA256

      6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

      SHA512

      6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

    • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\g5azq69j.default-release\extensions\staged\[email protected]\content\bg.js

      Filesize

      8KB

      MD5

      cdddf0311844011fd92a4848d09e87a1

      SHA1

      bd449c3aff021e1987e17b13bb56ae3dc393994a

      SHA256

      586c5447959dfb6ca4119a53c0a152471a456237818129af5f7d500a96303e12

      SHA512

      d6d4100b94b0becc9b72dc395481920c761c0f9879374758dfc957092c0347bfcfa1873e8a72e3979b33f72d27f7d32042e37e4ee997811f4850ccb544ec6bd4

    • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\g5azq69j.default-release\extensions\staged\[email protected]\install.rdf

      Filesize

      608B

      MD5

      50aba8c681d1a177bc2272b9479a9769

      SHA1

      484e63b540cecbeef0f821eb8170c64eb9fa6558

      SHA256

      486d784f84981d6d1764883ded1234085aa6742ab1c60f243153e20b8fc9c4b3

      SHA512

      bf9d5e32a7d99a2e944c3cff3b0201614c02ffa6caaf5bbc04da99cd3bf7dd6ed496edd8cf1065707a4919576648ec423ce4f049f08b6bf4f2163e6814b3d4b9

    • C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\hdaecmgepkanmhooojhmkhfbfakkelnk\1.0\bNB.js

      Filesize

      6KB

      MD5

      1d7dc5be3c222e198743cee909e728dd

      SHA1

      ccebd9f8dae9a198bccb1ddc6604ae25e347aaee

      SHA256

      2f12efa33a421af1da20a3041cc43cd9194b9f8cb5fc249b348f6c47965d2884

      SHA512

      5d57a39b6bee2895fbb435003c36ea728f1b98ad24ae9ac9e6b934e3e26d10612a0ba3e862cf5b1db72730ef80813a1824abfd27c87fcb911553414ed46b685d

    • C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\hdaecmgepkanmhooojhmkhfbfakkelnk\1.0\manifest.json

      Filesize

      508B

      MD5

      e2832fbedae560495781610b5c511afa

      SHA1

      95f9c6fe1ea5a6ee009bce1e9c215ef53fb5c108

      SHA256

      6e03e688a9f7cc23a788e004cea4c87ee73e36c1053d2fb34a214bcc597f3ea2

      SHA512

      2e206b58d02a88d21cb0cd74d5523b9f07f4558b4af9a19936befb256c2dc868107ab1716849e09b665721d1ac7b01ba6762bb54822596e39a4cdad763c68cb9

    • C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\hdaecmgepkanmhooojhmkhfbfakkelnk\1.0\lsdb.js

      Filesize

      531B

      MD5

      36d98318ab2b3b2585a30984db328afb

      SHA1

      f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

      SHA256

      ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

      SHA512

      6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

    • C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\hdaecmgepkanmhooojhmkhfbfakkelnk\1.0\background.html

      Filesize

      140B

      MD5

      f8860ef0214ccbd265e3df43f0581aae

      SHA1

      182c92c9298b156ed4e902e01761012cba6967f6

      SHA256

      664821f0441faf2c8ade8c54aaca97fb84cce98ce025f536ac3565d70c29dd63

      SHA512

      d2e17f23c30e3e0b856bf5587adfc9b6254966d18743a7edb80ed0876d90f7375c0e271fb798e73a2bc570b12b9c5c636fb0913a3ce92c67bf332f4030e448d2