Analysis

  • max time kernel
    142s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/01/2024, 01:21

General

  • Target

    4cf79cc1736839efb2ce7a7189a1d4f5.exe

  • Size

    250KB

  • MD5

    4cf79cc1736839efb2ce7a7189a1d4f5

  • SHA1

    b7702199777bc172bb3be91e7c3fdd20d0525d34

  • SHA256

    42ca6aae576e81acfa1a144d18db549d78ba6a35706e9f2cc5789aa63f2b57e5

  • SHA512

    908e0d2dcc0519b5cec84d2ab7f6833c10618abbfac3489307d406e34c1916b578de859e34f43a1d4ae2c3b28346cf64ec1744c8b1865201589a7d7c79d5569a

  • SSDEEP

    6144:h1OgDPdkBAFZWjadD4s5llyamxsL6MCY3jnkIQ:h1OgLdaOllRmxsL6MCY3bkIQ

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 3 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 3 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4cf79cc1736839efb2ce7a7189a1d4f5.exe
    "C:\Users\Admin\AppData\Local\Temp\4cf79cc1736839efb2ce7a7189a1d4f5.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1668
    • C:\Users\Admin\AppData\Local\Temp\7zSCB3F.tmp\50fc16b823f6f.exe
      .\50fc16b823f6f.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:2000

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\7zSCB3F.tmp\[email protected]\bootstrap.js

          Filesize

          2KB

          MD5

          c9f1ad2dfe1068fd69151e4f493d7b1c

          SHA1

          69aba82e1d402c5412b132520314efcb22697618

          SHA256

          18d8acd34ebb0715ecb1d6e844a21149c79767c386f8dfa71449bc136cea53d6

          SHA512

          73f232b1f0fb766b7a8d07f299db82c031654d03a91a6fc07390047882720ce3f1f3f1187c02b696699a57751329e04478581982e7b4d393d6d2da6561b46e99

        • C:\Users\Admin\AppData\Local\Temp\7zSCB3F.tmp\[email protected]\chrome.manifest

          Filesize

          116B

          MD5

          0265ee59058da2e0eb9c33b9f6904795

          SHA1

          f1cb37154e7b312764d2d1e654ab25dc2e541318

          SHA256

          e3d4b838ee71cd48f465d704f0c1d8e9917ac661e010c5252264ec1acf67e776

          SHA512

          448fbb52d630da1e6ce5616599effc7a990f71c9c05b8f17fd718e742fa60bbe8b31d36c63df9f2d59bf46dc68877a5cacff5bf88348a3a620f7bc913d72938e

        • C:\Users\Admin\AppData\Local\Temp\7zSCB3F.tmp\[email protected]\content\bg.js

          Filesize

          8KB

          MD5

          5a5d92f5e15cf020845ab6b869710362

          SHA1

          290228d439d49cca49be4387e52abb1d3b31f84e

          SHA256

          274b63129f50b0371e0724e17270f161f48ef763f00f1d014923c29182c64f55

          SHA512

          31c10f79260456a6d7d23c9983f7f20108dfb43510760b1ef9044ad53d26d036f87e01512a3d5b524981653ec1b6879bb6569f434f737d8df44088ceaf52fa02

        • C:\Users\Admin\AppData\Local\Temp\7zSCB3F.tmp\[email protected]\content\zy.xul

          Filesize

          225B

          MD5

          b9288384ae3603e3e7d2143e81d2df26

          SHA1

          ad4794071ef2acbd68442f1133f83f5f639000e2

          SHA256

          eaaed75e9c39e7a7a820894fcfb5e032a37c10506ad118c09b09ec4df8a86a2e

          SHA512

          bf6ba60024dccb8afd2b055daf15a6703c95df6c5b3577c142e82dc77115ff4272c322ff2a2365f8a241bcb73111ac3be438e4d32f8bdb4db38c76514c9afab4

        • C:\Users\Admin\AppData\Local\Temp\7zSCB3F.tmp\[email protected]\install.rdf

          Filesize

          700B

          MD5

          bddd333f4dc6360fd43aae12b9af37a3

          SHA1

          9f10e96bfca1a01bf771436da4f73cd8e88f04bc

          SHA256

          a1ed93d79fa6dc269700c0717a707fa43c0ce079c45da9728ec4f332c9e9d774

          SHA512

          fa65632f625d5c8659d56e3a8c042bbad8a88f29736d9866e9469c2d7039547454c9edb5bafa04b0a7cc492baf2a8953893adc336e199253979855c84abb49be

        • C:\Users\Admin\AppData\Local\Temp\7zSCB3F.tmp\50fc16b823f6f.exe

          Filesize

          71KB

          MD5

          b78633fae8aaf5f7e99e9c736f44f9c5

          SHA1

          26fc60e29c459891ac0909470ac6c61a1eca1544

          SHA256

          d205693516dbaf34cfbd216e825190de4de1412e861bc9cb30ce863907b30d22

          SHA512

          3885b609269b26918ccfcd9069181168c12f4271b6bdfcc51afe176b2dd242d4c0953ac1a4ddaf25abcfaf28a0b694a6269d96ae39bb7b2db2f0140d2d60cd43

        • C:\Users\Admin\AppData\Local\Temp\7zSCB3F.tmp\50fc16b823fa6.dll

          Filesize

          118KB

          MD5

          44f1dc155d3d083b677f20ed0fab8404

          SHA1

          a696c5a0d50145afde3d3a71f70b1c3006ac2199

          SHA256

          67014a6fc8a77ae480dae9b09f800a1f40a40399ef967f86843a80eb4c9eb470

          SHA512

          04a7098abd589eb1a533af6f89d0d982d2faf9c4e7e29d02abaacf81635b789acfb5ca026f7a0c6b4a263934f0425c69f5225488c450e864f8dc8000ffbf94f6

        • C:\Users\Admin\AppData\Local\Temp\7zSCB3F.tmp\50fc16b823fa6.tlb

          Filesize

          2KB

          MD5

          c749bca713cf6481411b5c4eaac4506a

          SHA1

          539cb813dea7e37eff8c1b696eb0ab42c815ab62

          SHA256

          0a94d2086eb6ac57ba5ee365d3f6f64f33e7c8d18419f04715460bc04ebddf2d

          SHA512

          11b3b333b97b1bbbbbf01b6d367188698470877e180a3854ec9762f706755156136b404f2b95a7304a890686d8f5f697232e6c28497aca20e0aa76988b0f179a

        • C:\Users\Admin\AppData\Local\Temp\7zSCB3F.tmp\lncklbndonjmgalnnlefeijlldeclajf\50fc16b823dac9.79994936.js

          Filesize

          4KB

          MD5

          392aceb0e4bfab90180316d208fd9b29

          SHA1

          83945e29f80268a255a5d55804a2ff141892c7e0

          SHA256

          235c4fd4f06e8ed4937a9f448ea6660ef99b306683a0f6efaad4f35b3b0fad81

          SHA512

          de2f92f7708317a977f4f88d114b1649ddf0441e7338839eb74eb12c709fcf8ac5ecfaa1e46b7af3b981802c037d163b75513833be77633c0b98a36f06f6d721

        • C:\Users\Admin\AppData\Local\Temp\7zSCB3F.tmp\lncklbndonjmgalnnlefeijlldeclajf\background.html

          Filesize

          161B

          MD5

          4c3600d86fcccc67844ade236dd8061a

          SHA1

          9210df5d3c332151f4b731fcc89d49775e2bf074

          SHA256

          d8abb21229fcdfbd117343700ddfb10346c06555f62a7bb6439b3a58a91b2bb2

          SHA512

          4d38ec4c31ee6fa202a5f730bca3b2ced4df3e8a6f2087a49dcabbc585911e7b040135d54ff29c3e0e9b7b3084f4544cc9c86c947eb57cf3f359b251ece1f37b

        • C:\Users\Admin\AppData\Local\Temp\7zSCB3F.tmp\lncklbndonjmgalnnlefeijlldeclajf\content.js

          Filesize

          197B

          MD5

          5f9891607f65f433b0690bae7088b2c1

          SHA1

          b4edb7579dca34dcd00bca5d2c13cbc5c8fac0de

          SHA256

          fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b

          SHA512

          76018b39e4b62ff9ea92709d12b0255f33e8402dfc649ed403382eebc22fb37c347c403534a7792e6b5de0ed0a5d97a09b69f0ffc39031cb0d4c7d79e9440c7c

        • C:\Users\Admin\AppData\Local\Temp\7zSCB3F.tmp\lncklbndonjmgalnnlefeijlldeclajf\lsdb.js

          Filesize

          559B

          MD5

          209b7ae0b6d8c3f9687c979d03b08089

          SHA1

          6449f8bff917115eef4e7488fae61942a869200f

          SHA256

          e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704

          SHA512

          1b38d5509283ef25de550b43ef2535dee1a13eff12ad5093f513165a47eec631bcc993242e2ce640f36c61974431ae2555bd6e2a97aba91eb689b7cd4bf25a25

        • C:\Users\Admin\AppData\Local\Temp\7zSCB3F.tmp\lncklbndonjmgalnnlefeijlldeclajf\manifest.json

          Filesize

          479B

          MD5

          d9670f9c069ec46aaff5a60a9608e885

          SHA1

          c15da079582c4bf21b06e934dc78f3bd8fbc5607

          SHA256

          a631255a7467449ff89bb97a8d97632411076d00bfb8dc84c19abd100e235e7c

          SHA512

          d7ead015d25cdf1d31ec3330020bd43c5ec702a148c130083fb5ee70a8a4691fe94db7f9390b93d7afbc083531c9c1f23d29bd607c22d7cb362a0cb299645ad3

        • C:\Users\Admin\AppData\Local\Temp\7zSCB3F.tmp\lncklbndonjmgalnnlefeijlldeclajf\sqlite.js

          Filesize

          1KB

          MD5

          44a4b9043299f55f75dcb90df9c293c5

          SHA1

          7dffb2a207e2c0af34ac2d5630a47585eff814a7

          SHA256

          3e6daeaba9c99701f0a03b1fc2f2060aef1793e8da51be1460c3860894717ced

          SHA512

          c6049a89f2868168c4ed03242cf48581ba348c4f4f9025dd44bc15952a240c3973aacf53e0db5f1770b82cf606e850ab610f98c047860244858f05544539f9bc

        • C:\Users\Admin\AppData\Local\Temp\7zSCB3F.tmp\settings.ini

          Filesize

          6KB

          MD5

          d7b8be4946b1d6c2afc19f288c7a2bd2

          SHA1

          e22fc05f3f0ebc4b326d50b833c3496221521a36

          SHA256

          4c00be27a0e3179c09ed3adc30f172d06c23b01d2ef65bf77792609a3aff0b00

          SHA512

          1eb3bc40fae185c3d9acddd17225cc005dcf9811c8c41bb1a561281d0179f1e29c7bdecb539404c4ad6292b4206ed655f1548b2be9afd43a7cfaa9504347b947

        • C:\Users\Admin\AppData\Local\Temp\nsnCD34.tmp\UserInfo.dll

          Filesize

          4KB

          MD5

          7579ade7ae1747a31960a228ce02e666

          SHA1

          8ec8571a296737e819dcf86353a43fcf8ec63351

          SHA256

          564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

          SHA512

          a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

        • C:\Users\Admin\AppData\Local\Temp\nsnCD34.tmp\nsJSON.dll

          Filesize

          7KB

          MD5

          b9cd1b0fd3af89892348e5cc3108dce7

          SHA1

          f7bc59bf631303facfc970c0da67a73568e1dca6

          SHA256

          49b173504eb9cd07e42a3c4deb84c2cd3f3b49c7fb0858aee43ddfc64660e384

          SHA512

          fdcbdd21b831a92ca686aab5b240f073a89a08588e42439564747cad9160d79cfa8e3c103b6b4f2917684c1a591880203b4303418b85bc040f9f00b6658b0c90

        • memory/2000-78-0x0000000073EA0000-0x0000000073EAA000-memory.dmp

          Filesize

          40KB