Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    04/02/2024, 02:28

General

  • Target

    8a9d717454901a3e696d1fc2e85f2f85.exe

  • Size

    250KB

  • MD5

    8a9d717454901a3e696d1fc2e85f2f85

  • SHA1

    35e5cda22a41b6cd31d2fd5f52f1f9bbd985cd83

  • SHA256

    21f70da2781527b6e0ae0ecf6866612bcf9274671e894852f27a0e4db239b793

  • SHA512

    5b44b79c034e789cee5e817ba8c117758eff5106cf116dad57cda260e4bf65e7cef6db96fa65168100b2ad0cd9cd3f1ec50f9b23c1b85fa97c2b1d6ccf763af0

  • SSDEEP

    6144:h1OgDPdkBAFZWjadD4s5ShCQMRdzQ4USILzTfvsD:h1OgLdaOShpMo7pXU

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\8a9d717454901a3e696d1fc2e85f2f85.exe
    "C:\Users\Admin\AppData\Local\Temp\8a9d717454901a3e696d1fc2e85f2f85.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2288
    • C:\Users\Admin\AppData\Local\Temp\7zS116E.tmp\50f7758620341.exe
      .\50f7758620341.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:2436

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\Zoomex\50f7758620377.dll

          Filesize

          116KB

          MD5

          da161da8bcb9b8032908cc303602f2ee

          SHA1

          8a2d5e5b32376a40f33d6c9881001425ec025205

          SHA256

          0648d564b30e13a0819f28e00a9af39a6686a4d29ccd265c7d81548e4fe0f67e

          SHA512

          39e882a371dbce2484324811bffdd7ae7655b57401d07bf264aced6b5dac0ae326bd1945c536f05d8ab3b92ca03ff056c5a7baf54f7eb477b45fc405ec54052c

        • C:\ProgramData\Zoomex\50f7758620377.tlb

          Filesize

          2KB

          MD5

          1f14de44d0d63a79f91d3fe90badb5fc

          SHA1

          7fcc921608d2cf40e81cdd9a98e1a15a6ba1f57e

          SHA256

          bd3d85c0136a66b2af79d4d91c1c5700c8931937b7e554d5ece946760ef4a99c

          SHA512

          86eb6ebf9eccf1dcb601db827797ac603c0ebe01b6d73318986275c29bd034c8df5f7c79ddf0b19536faf24bdb11e09ac95ea43e8fe75b0ed3dde76dd139883c

        • C:\ProgramData\Zoomex\settings.ini

          Filesize

          6KB

          MD5

          186a1bda5285f2587cb0f1a505f8178e

          SHA1

          a3f18af928088b9ce648fe9e621c51f94ab37a1b

          SHA256

          03bc28b41e382e7afec4445afa558e05fe0ec7a601efae839187c888b75c5297

          SHA512

          db16d3233148ab81ebf558262eebebe579625acece73add09ead169b1f05689fc95ac07bb820ea44cf836820d8a74ab9fdfbd429128943eb57d9d9b29aefd0a1

        • C:\ProgramData\Zoomex\uninstall.exe

          Filesize

          48KB

          MD5

          f3c79bda3fdf7c5dd24d60400a57cadb

          SHA1

          1adb606aaeedb246a371c8877c737f0f8c798625

          SHA256

          a76272ed3bbf23308782a308d428ee805ec77fbb622a830af26cb0ddbbf7377b

          SHA512

          c43cb957bdea357bd016fe03a8004a48d8117a12106f62876394feba05ad01a321ff6017ffb7b926cc77712f5ab63ea2e4b169a419c444c8f62aa4933f289935

        • C:\Users\Admin\AppData\Local\Temp\7zS116E.tmp\[email protected]\bootstrap.js

          Filesize

          2KB

          MD5

          30770cb65dae2ecab2a2a225f2fa9c70

          SHA1

          3e1b3e56aeac0926595962eb2017b35cb954da3e

          SHA256

          416575c2fe11cfcbcc8f41a2a78e95250bec7e0c03c156ee62b5ed8cd3e5efcc

          SHA512

          bb71202037eadd1ac4297a5bdcd67d6e7dc28ce0d65ca01b562fb9c793b06526f81805d3eec4fe65e551ddc525333c2d15ffcfa175b118bba24b160710b5da80

        • C:\Users\Admin\AppData\Local\Temp\7zS116E.tmp\[email protected]\chrome.manifest

          Filesize

          116B

          MD5

          57b3367a2637471d453665074b693840

          SHA1

          e0cfd0902fc44645a6b3a4c70ed42ed2f6325ace

          SHA256

          bc5e67018258fbbb1a097778b6f6ff51893585af82ddb4b171773b21fd7b522e

          SHA512

          0c29202d4651943ef224cd1587b94dfa386e25187b335436b183acf326f98342d4eb8885466a65daf2db9f747bf4eea27957508f4f1da41366ba264db23ff564

        • C:\Users\Admin\AppData\Local\Temp\7zS116E.tmp\[email protected]\content\bg.js

          Filesize

          8KB

          MD5

          c50b3e9d2087f68af3fefeeda0ba4acb

          SHA1

          88766150ca2d47d03d883fe92c4292a544dd2bc4

          SHA256

          21db9ec85ca4d35bfa56d3387d276114f94240f0a2500a9bc9a38dd862cdc868

          SHA512

          8009b5d3839c4d094c9b0dec09b3737d0d278c628978fc2431974dfc9e68604b80017c4529a49dbb036f848ec343b7c5e5dbd9150cebab2c0537fa0c792ab878

        • C:\Users\Admin\AppData\Local\Temp\7zS116E.tmp\[email protected]\content\zy.xul

          Filesize

          225B

          MD5

          b1d311744519ba95dd1e7bb089fb3053

          SHA1

          61c12d1557e49b57691c9ac38bff103089f63a10

          SHA256

          406251e97254621fc72798e2723b43a9c676ec24573305caa402caadb5022eb6

          SHA512

          830ea1fa85602f69da0b9c60f4e4854276827e12f4a9c65ed47edd9a72889233a45e12878bd8b66335a49ece444bcb91069d5d01a3ac5cb14aaa940d8b35e5a3

        • C:\Users\Admin\AppData\Local\Temp\7zS116E.tmp\[email protected]\install.rdf

          Filesize

          700B

          MD5

          30e9e46c2860dfdfe0dd2c212ba18f54

          SHA1

          e97a27eb52e18997c6d9265424ed0e8e4af59f01

          SHA256

          b5cf318fa54d199ffd0f866e997accf5a432bfa947a2014ddb4fa03597c638fb

          SHA512

          f6182272357eecbf4c62d654a1564da45009679801b7bf158cc5dea447b4a9207adc8ccb8ecb1cde4d02e9509797bc4ed18085f229309035052a9738b7fa0353

        • C:\Users\Admin\AppData\Local\Temp\7zS116E.tmp\hcafhmdjmjmloknjmpdmgdmfcjaeckbl\50f775862015c0.65625688.js

          Filesize

          4KB

          MD5

          9b10957f71a5800133e7d15237374180

          SHA1

          29a6b1b7f5bb6ba61086ab33623099affe1eb6b7

          SHA256

          0aefada06784384c98ad7a1b82d19553e244eb10f5c90f3eebba4e07122e6724

          SHA512

          e55f5c45da18dea60adc486ffac7e36c7f2c40d2ecd13d928511e8c2b2ddf5aac90d99debe9966f1fe84a8eb51518000c716bd5d9d0d02aca9e91f13727d2a44

        • C:\Users\Admin\AppData\Local\Temp\7zS116E.tmp\hcafhmdjmjmloknjmpdmgdmfcjaeckbl\background.html

          Filesize

          161B

          MD5

          6fe8fc22fe51930be3d3d8c54cdf7d99

          SHA1

          6b324de611b2d5e906294497c921991903c709a6

          SHA256

          26864715e4c3af71fc896b02aebb933b031a2ee2ada284048faf62eead97c20b

          SHA512

          5a3eb0a9e4eab951cc24b200dffcb5775fc189bf6176286af7e04b3b814b655a399a019909ce1ff9f5f96e18e50199ba79df7615b53e64e119f5f5a5bcbebc6c

        • C:\Users\Admin\AppData\Local\Temp\7zS116E.tmp\hcafhmdjmjmloknjmpdmgdmfcjaeckbl\content.js

          Filesize

          197B

          MD5

          5f9891607f65f433b0690bae7088b2c1

          SHA1

          b4edb7579dca34dcd00bca5d2c13cbc5c8fac0de

          SHA256

          fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b

          SHA512

          76018b39e4b62ff9ea92709d12b0255f33e8402dfc649ed403382eebc22fb37c347c403534a7792e6b5de0ed0a5d97a09b69f0ffc39031cb0d4c7d79e9440c7c

        • C:\Users\Admin\AppData\Local\Temp\7zS116E.tmp\hcafhmdjmjmloknjmpdmgdmfcjaeckbl\lsdb.js

          Filesize

          559B

          MD5

          209b7ae0b6d8c3f9687c979d03b08089

          SHA1

          6449f8bff917115eef4e7488fae61942a869200f

          SHA256

          e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704

          SHA512

          1b38d5509283ef25de550b43ef2535dee1a13eff12ad5093f513165a47eec631bcc993242e2ce640f36c61974431ae2555bd6e2a97aba91eb689b7cd4bf25a25

        • C:\Users\Admin\AppData\Local\Temp\7zS116E.tmp\hcafhmdjmjmloknjmpdmgdmfcjaeckbl\manifest.json

          Filesize

          475B

          MD5

          95b6b9aa3a3730d6d373a68eb5b411c9

          SHA1

          05cc71bfa2d2a2a18e169def790cca29f757dd3e

          SHA256

          5ac43caaa60d48d2c5bc8059dc845eb344b31c088207c8da714f7a36d500c69e

          SHA512

          5a178056071d0c94d2cfdf72a60403fbf9703cc28abe560f1f04fc2e073188f595c6bb3b687c7e2654899e103a229fe123c41af8aebbe189c9854ed71d8c672e

        • C:\Users\Admin\AppData\Local\Temp\7zS116E.tmp\hcafhmdjmjmloknjmpdmgdmfcjaeckbl\sqlite.js

          Filesize

          1KB

          MD5

          ea532e191fa77820fda8c7739bcb47b3

          SHA1

          a213e9026ed71085950194d5f4544b2730451069

          SHA256

          c1866e835b7e3999143d3073aab24cd67f7776be1c3a33b85cdddec88766faa7

          SHA512

          7dc1a6ab79ba5cf517537f9395e8357a7d17883a7c5641ff206be8320275d2625b8ef295b2155c73c5c28bda10d08b1c205d389772d9133dc052ade893f6aabf

        • C:\Users\Admin\AppData\Local\Temp\nst11AE.tmp\UserInfo.dll

          Filesize

          4KB

          MD5

          7579ade7ae1747a31960a228ce02e666

          SHA1

          8ec8571a296737e819dcf86353a43fcf8ec63351

          SHA256

          564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

          SHA512

          a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

        • C:\Users\Admin\AppData\Local\Temp\nst11AE.tmp\nsJSON.dll

          Filesize

          7KB

          MD5

          b9cd1b0fd3af89892348e5cc3108dce7

          SHA1

          f7bc59bf631303facfc970c0da67a73568e1dca6

          SHA256

          49b173504eb9cd07e42a3c4deb84c2cd3f3b49c7fb0858aee43ddfc64660e384

          SHA512

          fdcbdd21b831a92ca686aab5b240f073a89a08588e42439564747cad9160d79cfa8e3c103b6b4f2917684c1a591880203b4303418b85bc040f9f00b6658b0c90

        • \Users\Admin\AppData\Local\Temp\7zS116E.tmp\50f7758620341.exe

          Filesize

          71KB

          MD5

          b78633fae8aaf5f7e99e9c736f44f9c5

          SHA1

          26fc60e29c459891ac0909470ac6c61a1eca1544

          SHA256

          d205693516dbaf34cfbd216e825190de4de1412e861bc9cb30ce863907b30d22

          SHA512

          3885b609269b26918ccfcd9069181168c12f4271b6bdfcc51afe176b2dd242d4c0953ac1a4ddaf25abcfaf28a0b694a6269d96ae39bb7b2db2f0140d2d60cd43

        • memory/2436-81-0x00000000745F0000-0x00000000745FA000-memory.dmp

          Filesize

          40KB