Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/12/2023, 01:40

General

  • Target

    4a077a1b0fa632b0d1a7e2fc4ddf680b.exe

  • Size

    250KB

  • MD5

    4a077a1b0fa632b0d1a7e2fc4ddf680b

  • SHA1

    478a73b6a6f5e39cfc1d1d87661f0c462eadce5e

  • SHA256

    19f2eb477cb72c250f319bb2e31a4bf561cc34d272a0ea5a5a281ac5150575a8

  • SHA512

    441d96b6d7e432c2e25d578bc0a6c1b64d666b9efef8e55a0d31bf0c9ab59ef012e5cd1d10ca18f1fbd539e2366ab6d7045de59c1b2b06a6be2bb62c3657a541

  • SSDEEP

    6144:h1OgDPdkBAFZWjadD4s5CuxGnImwZKHAS77BERYk:h1OgLdaO0nIBZGG+k

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\4a077a1b0fa632b0d1a7e2fc4ddf680b.exe
    "C:\Users\Admin\AppData\Local\Temp\4a077a1b0fa632b0d1a7e2fc4ddf680b.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3856
    • C:\Users\Admin\AppData\Local\Temp\7zS4844.tmp\50eca3823273d.exe
      .\50eca3823273d.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:4728

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\Browse2save\uninstall.exe

          Filesize

          48KB

          MD5

          f3c79bda3fdf7c5dd24d60400a57cadb

          SHA1

          1adb606aaeedb246a371c8877c737f0f8c798625

          SHA256

          a76272ed3bbf23308782a308d428ee805ec77fbb622a830af26cb0ddbbf7377b

          SHA512

          c43cb957bdea357bd016fe03a8004a48d8117a12106f62876394feba05ad01a321ff6017ffb7b926cc77712f5ab63ea2e4b169a419c444c8f62aa4933f289935

        • C:\Users\Admin\AppData\Local\Temp\7zS4844.tmp\[email protected]\bootstrap.js

          Filesize

          2KB

          MD5

          cc3027f4ce1d68c6a1bc30e053ee605f

          SHA1

          e2532864a71b67a866f554fd77f0660e7b80b31b

          SHA256

          4d55d8f50a3dbe6306683793042c3c424f35c5a45603a7898c1edd0f7e5923e9

          SHA512

          214e0e146a13488d2dc27277f41d85242c6c4c071dc818859c9fd32cb9567a8f51ecf71db14c27fd81a10391f91c66bec91a73f181d14576df00a96a0e3eff0e

        • C:\Users\Admin\AppData\Local\Temp\7zS4844.tmp\[email protected]\chrome.manifest

          Filesize

          116B

          MD5

          3b4bbad792e5113cda1852fe20aa738d

          SHA1

          bd01684ebe8e447df34818522352f5e8aa35933a

          SHA256

          e70ce71d4b9ead8f08ba390efabce1b2870e42ba6cbedb556afc7e16d4598d44

          SHA512

          2f15f7bcb4bfdef148c3cce2357ae3eaff4a091cbc774c31a5647edf8e9b9118cd4fbeada181b981ab4adf7efc78a626454fa47f9e3d7224f2aa86c402871256

        • C:\Users\Admin\AppData\Local\Temp\7zS4844.tmp\[email protected]\content\bg.js

          Filesize

          8KB

          MD5

          67ce4854206f0b0fc589398451611cd1

          SHA1

          0c9e4f2ce691de6302043061a47d5f3756e81b85

          SHA256

          0a92354e7b9d02a6fd270a354bbdc2aaf87b00752e5f57935947e7f4ad109c4d

          SHA512

          97702328bd647a1ac6459ba5998398480dd0e4fdff5eec259cf14df9c27408741c01c484ce8421ff653e2c98fa2a34be1aaf63b617c3cc51bfd61148e75804de

        • C:\Users\Admin\AppData\Local\Temp\7zS4844.tmp\[email protected]\content\zy.xul

          Filesize

          225B

          MD5

          2f784830f22800f04e2d4d4306785f1d

          SHA1

          4824a492430a5ca57df7f4d4449d2a8a8c651708

          SHA256

          8d902174e5e517f8e70ca314047ad5e6fa5038eef6186f6bd96620a74b938989

          SHA512

          6a08db767d3a2cdc3cc4ff75a65e261be6400d9d1a8410ca92cef9c2986adcacd68ab637ae48a9f7bbc1074ff515df045327e690880e5f9e497c50857753b195

        • C:\Users\Admin\AppData\Local\Temp\7zS4844.tmp\[email protected]\install.rdf

          Filesize

          718B

          MD5

          e61c9681897db17a62e8984df1229855

          SHA1

          273ce100072d0d0b88fd13e1943483ca2a29036a

          SHA256

          5422431fade44e3a420617bdffa9446ea10902c07b1d3af26e5ac17f52e4b5c9

          SHA512

          6ef1d2df47a81914e42c08e133b7c581184e017a1c12eee70d81640b679b41b83c56b94b26b5571c601a0d301474b456a34326b5b96b1877af8d3ce459a87161

        • C:\Users\Admin\AppData\Local\Temp\7zS4844.tmp\50eca3823273d.exe

          Filesize

          71KB

          MD5

          b78633fae8aaf5f7e99e9c736f44f9c5

          SHA1

          26fc60e29c459891ac0909470ac6c61a1eca1544

          SHA256

          d205693516dbaf34cfbd216e825190de4de1412e861bc9cb30ce863907b30d22

          SHA512

          3885b609269b26918ccfcd9069181168c12f4271b6bdfcc51afe176b2dd242d4c0953ac1a4ddaf25abcfaf28a0b694a6269d96ae39bb7b2db2f0140d2d60cd43

        • C:\Users\Admin\AppData\Local\Temp\7zS4844.tmp\50eca38232776.dll

          Filesize

          116KB

          MD5

          da161da8bcb9b8032908cc303602f2ee

          SHA1

          8a2d5e5b32376a40f33d6c9881001425ec025205

          SHA256

          0648d564b30e13a0819f28e00a9af39a6686a4d29ccd265c7d81548e4fe0f67e

          SHA512

          39e882a371dbce2484324811bffdd7ae7655b57401d07bf264aced6b5dac0ae326bd1945c536f05d8ab3b92ca03ff056c5a7baf54f7eb477b45fc405ec54052c

        • C:\Users\Admin\AppData\Local\Temp\7zS4844.tmp\50eca38232776.tlb

          Filesize

          2KB

          MD5

          1f14de44d0d63a79f91d3fe90badb5fc

          SHA1

          7fcc921608d2cf40e81cdd9a98e1a15a6ba1f57e

          SHA256

          bd3d85c0136a66b2af79d4d91c1c5700c8931937b7e554d5ece946760ef4a99c

          SHA512

          86eb6ebf9eccf1dcb601db827797ac603c0ebe01b6d73318986275c29bd034c8df5f7c79ddf0b19536faf24bdb11e09ac95ea43e8fe75b0ed3dde76dd139883c

        • C:\Users\Admin\AppData\Local\Temp\7zS4844.tmp\glilkjcapnahficnhnngfgecmkgakadp\50eca3823254e0.96272714.js

          Filesize

          4KB

          MD5

          08ff2b9697d842e2ceb0a90b8da76fad

          SHA1

          0e598531eba15442e5077dd91c30f9e0d7b84be8

          SHA256

          95c9ba47d58404a4faa6b5b7686d02c29f9186597942a6ba1e4f22008b7027b8

          SHA512

          ea7e7ddb7fc67add909ac4811ff810fe021eff85cc5d4e523235e730170b3f11ea74130043a58bb6c6c6b6094b57e9889b3758cc15c39673d72aee4e0ac69f8c

        • C:\Users\Admin\AppData\Local\Temp\7zS4844.tmp\glilkjcapnahficnhnngfgecmkgakadp\background.html

          Filesize

          161B

          MD5

          36a0b49bcb99e8c343a7ba32954b2149

          SHA1

          d1deb7adef4c9315dec91003d51c0e0f6a4dc0be

          SHA256

          9a203332b0d7ceae00fa66352e923ed3fcb45e876893d56e70c232e66962b764

          SHA512

          56e611d1a0ff95a3b68f6ab2cf00ac6e5eca172e20217ede29cc9aa4de78e6ce1bb0bbad7cdb24b8f009eaf290ab278949f2eeef2e68df4a8129ed64bdab0912

        • C:\Users\Admin\AppData\Local\Temp\7zS4844.tmp\glilkjcapnahficnhnngfgecmkgakadp\content.js

          Filesize

          197B

          MD5

          5f9891607f65f433b0690bae7088b2c1

          SHA1

          b4edb7579dca34dcd00bca5d2c13cbc5c8fac0de

          SHA256

          fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b

          SHA512

          76018b39e4b62ff9ea92709d12b0255f33e8402dfc649ed403382eebc22fb37c347c403534a7792e6b5de0ed0a5d97a09b69f0ffc39031cb0d4c7d79e9440c7c

        • C:\Users\Admin\AppData\Local\Temp\7zS4844.tmp\glilkjcapnahficnhnngfgecmkgakadp\lsdb.js

          Filesize

          559B

          MD5

          209b7ae0b6d8c3f9687c979d03b08089

          SHA1

          6449f8bff917115eef4e7488fae61942a869200f

          SHA256

          e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704

          SHA512

          1b38d5509283ef25de550b43ef2535dee1a13eff12ad5093f513165a47eec631bcc993242e2ce640f36c61974431ae2555bd6e2a97aba91eb689b7cd4bf25a25

        • C:\Users\Admin\AppData\Local\Temp\7zS4844.tmp\glilkjcapnahficnhnngfgecmkgakadp\manifest.json

          Filesize

          480B

          MD5

          1a2173a6fed9391e199e3afcdfc40225

          SHA1

          ee64aaec103ddfbd7a920fd118b25d866631a265

          SHA256

          9c31c7d56d28973e10dc0191ec073ec185c2ef0e5d742ea2e6ada0b0de66dda8

          SHA512

          6ce09f31313c451ffb5bd276ea1fa9df59ddc0b3d5bd4bccb3579ccb480a3ec14f9fd1b096e6167e5c1be61db68a534b2e94389134e45785ca491714538a9f45

        • C:\Users\Admin\AppData\Local\Temp\7zS4844.tmp\glilkjcapnahficnhnngfgecmkgakadp\sqlite.js

          Filesize

          1KB

          MD5

          16dd3867d7e95de4df66084200d6ff7b

          SHA1

          91db6e732fcdefa242d9ce5d8a4670c9bf57cf3c

          SHA256

          286002efa649d103aae25d0a41e8c062c2961d5634bbbcae7263a8beb1c08ac1

          SHA512

          091e6975a6bd60400bfbf40297320ddeff802a943ca3bf025d6e6cb780f9219247c0d1640d88cc6c8f830d9f74c2d74ab99075b959f83452f61117cfa83edd81

        • C:\Users\Admin\AppData\Local\Temp\7zS4844.tmp\settings.ini

          Filesize

          6KB

          MD5

          3aa3a8210eba633186a29f08b3776ac4

          SHA1

          70023aec1e0d15a16b315425a3164ba644c9ce57

          SHA256

          803aeb77d39706f7a890eeb7245a02aa0b95001c009ec932192018aa5c34d8ae

          SHA512

          3ddbcd9b07b38141694ceadfd239d4ceecd4fb5a016ed78ce547168128b56e7166c59ea84d4a176b3ccc42a7e8e6bf4575fedc61542ebf9757b8ecf31c2f223c

        • C:\Users\Admin\AppData\Local\Temp\nsb4920.tmp\UserInfo.dll

          Filesize

          4KB

          MD5

          7579ade7ae1747a31960a228ce02e666

          SHA1

          8ec8571a296737e819dcf86353a43fcf8ec63351

          SHA256

          564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

          SHA512

          a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

        • C:\Users\Admin\AppData\Local\Temp\nsb4920.tmp\nsJSON.dll

          Filesize

          7KB

          MD5

          b9cd1b0fd3af89892348e5cc3108dce7

          SHA1

          f7bc59bf631303facfc970c0da67a73568e1dca6

          SHA256

          49b173504eb9cd07e42a3c4deb84c2cd3f3b49c7fb0858aee43ddfc64660e384

          SHA512

          fdcbdd21b831a92ca686aab5b240f073a89a08588e42439564747cad9160d79cfa8e3c103b6b4f2917684c1a591880203b4303418b85bc040f9f00b6658b0c90

        • memory/4728-79-0x0000000073FC0000-0x0000000073FCA000-memory.dmp

          Filesize

          40KB