Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    03/11/2023, 11:24

General

  • Target

    NEAS.e460d6da5d8a568605b5e44daa274350.exe

  • Size

    255KB

  • MD5

    e460d6da5d8a568605b5e44daa274350

  • SHA1

    2bb19167fd5872baf71e806cd8c932c65c6db7cf

  • SHA256

    b3e28f267e02933133dc7ae5a0617bfd1cf0e466ca8794d26c643ecf0bb5a9ab

  • SHA512

    c23dd4350b117e40b0f7a7e30349543edb3aec537993299cec6251658dd56874e3a6b03f3c68b0eb849d8db4437a599f562a0ca1f88745cd1f2e82942c320864

  • SSDEEP

    6144:h1OgDPdkBAFZWjadD4s5tnGFAltud5Ah9ms6ekPTg:h1OgLdaOtLmAhD6jPTg

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 2 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 3 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 10 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\NEAS.e460d6da5d8a568605b5e44daa274350.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.e460d6da5d8a568605b5e44daa274350.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1968
    • C:\Users\Admin\AppData\Local\Temp\7zS5B88.tmp\51e39e10168e5.exe
      .\51e39e10168e5.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:2668

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\ssayfe savve\51e39e101691e.dll

          Filesize

          116KB

          MD5

          05234975b085632d70d89c2f420c5107

          SHA1

          078fb2a3e5de54c3737a4541242a4725c02c6b9c

          SHA256

          a758ad4fdc8949ea005258075457a972eb0672d69d98d688117b85221fca096a

          SHA512

          f9fa6aee142e32875127feadebbe235f4f376b0c3b7415036b8afc81c0a09a8ba0c5ec9e1703f1a34b220b7646caa1ca02629918185c4afbafe6926014044c4e

        • C:\ProgramData\ssayfe savve\51e39e101691e.tlb

          Filesize

          18KB

          MD5

          c1e296ff01d3cf37f91c7473bdd9de52

          SHA1

          832e3d1ddeb5a0ceb5b13c1ee271eb94bf9bf2a6

          SHA256

          a8e54ad3e1fbc91d5a7b02bf177a24a02f2558419ce46859bf15859b81478492

          SHA512

          aeb1f3962746caa3858c27b4753959d5ec9db2727e94642d5db2710633a96e7ceef5f9c0ff3b358f83143b6594459b5d9a94e095fed7a5d1fa97ae6a3c4e564c

        • C:\ProgramData\ssayfe savve\settings.ini

          Filesize

          6KB

          MD5

          1c7236c264517d5d5258e116f34ef98c

          SHA1

          a373f4f8aa5017ff1b7dc9ea7d5c2425a06ad0a7

          SHA256

          b0a3ad1ac1a85c1654924532b2e52c364486009bcd54e831cc8410e5bf5d3099

          SHA512

          9649f40a434c1c7880a9a50810dd90b2fbc263ba648540201c50299ec1dbe91e0c4331a19bc6f47beacfa7e6cfcb5068cb6b268844647a4146f0ec106cad273a

        • C:\ProgramData\ssayfe savve\uninstall.exe

          Filesize

          48KB

          MD5

          f3c79bda3fdf7c5dd24d60400a57cadb

          SHA1

          1adb606aaeedb246a371c8877c737f0f8c798625

          SHA256

          a76272ed3bbf23308782a308d428ee805ec77fbb622a830af26cb0ddbbf7377b

          SHA512

          c43cb957bdea357bd016fe03a8004a48d8117a12106f62876394feba05ad01a321ff6017ffb7b926cc77712f5ab63ea2e4b169a419c444c8f62aa4933f289935

        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\njiacboffndabbipjllemibjmfjnbfnh\1\manifest.json

          Filesize

          504B

          MD5

          987b8c2fddffb31fb1fea3a78604201e

          SHA1

          cb0abe3acb47fe2a5310e77003b0648c85d49f99

          SHA256

          a0518009eb9e9bb1cb60b872dc1096a7e5c7d1af5b13e671f3a06ecae4cbfe43

          SHA512

          d3e1e6e4056abfc8d74e5932d77423da730c1440c158055f865e57155ac68a68d666103708e5a19d0a84341ce0c944049d17da5573f445367b7f0b7b95c771b2

        • C:\Users\Admin\AppData\Local\Temp\7zS5B88.tmp\51e39e10168e5.exe

          Filesize

          71KB

          MD5

          b78633fae8aaf5f7e99e9c736f44f9c5

          SHA1

          26fc60e29c459891ac0909470ac6c61a1eca1544

          SHA256

          d205693516dbaf34cfbd216e825190de4de1412e861bc9cb30ce863907b30d22

          SHA512

          3885b609269b26918ccfcd9069181168c12f4271b6bdfcc51afe176b2dd242d4c0953ac1a4ddaf25abcfaf28a0b694a6269d96ae39bb7b2db2f0140d2d60cd43

        • C:\Users\Admin\AppData\Local\Temp\7zS5B88.tmp\51e39e10168e5.exe

          Filesize

          71KB

          MD5

          b78633fae8aaf5f7e99e9c736f44f9c5

          SHA1

          26fc60e29c459891ac0909470ac6c61a1eca1544

          SHA256

          d205693516dbaf34cfbd216e825190de4de1412e861bc9cb30ce863907b30d22

          SHA512

          3885b609269b26918ccfcd9069181168c12f4271b6bdfcc51afe176b2dd242d4c0953ac1a4ddaf25abcfaf28a0b694a6269d96ae39bb7b2db2f0140d2d60cd43

        • C:\Users\Admin\AppData\Local\Temp\7zS5B88.tmp\51e39e101691e.dll

          Filesize

          116KB

          MD5

          05234975b085632d70d89c2f420c5107

          SHA1

          078fb2a3e5de54c3737a4541242a4725c02c6b9c

          SHA256

          a758ad4fdc8949ea005258075457a972eb0672d69d98d688117b85221fca096a

          SHA512

          f9fa6aee142e32875127feadebbe235f4f376b0c3b7415036b8afc81c0a09a8ba0c5ec9e1703f1a34b220b7646caa1ca02629918185c4afbafe6926014044c4e

        • C:\Users\Admin\AppData\Local\Temp\7zS5B88.tmp\51e39e101691e.tlb

          Filesize

          18KB

          MD5

          c1e296ff01d3cf37f91c7473bdd9de52

          SHA1

          832e3d1ddeb5a0ceb5b13c1ee271eb94bf9bf2a6

          SHA256

          a8e54ad3e1fbc91d5a7b02bf177a24a02f2558419ce46859bf15859b81478492

          SHA512

          aeb1f3962746caa3858c27b4753959d5ec9db2727e94642d5db2710633a96e7ceef5f9c0ff3b358f83143b6594459b5d9a94e095fed7a5d1fa97ae6a3c4e564c

        • C:\Users\Admin\AppData\Local\Temp\7zS5B88.tmp\njiacboffndabbipjllemibjmfjnbfnh\51e39e10167002.06143991.js

          Filesize

          4KB

          MD5

          6af31921425a47ca43cb560eea4e4af4

          SHA1

          111bd92fe40c23ac0a7d6b4773535cf39d5b238a

          SHA256

          6d5ac548cb3eaaff6b1a1fd7ed2b14105270d5575d8b27e703bf3a759550e927

          SHA512

          6d165f84bf82dd2a161f79f484859a0704c2f00d96ed7e753bc25e058dcb9328af6ba4b357b18653e728642b756cdf9a778a6c574ee5298d9f3f78e08caf4de8

        • C:\Users\Admin\AppData\Local\Temp\7zS5B88.tmp\njiacboffndabbipjllemibjmfjnbfnh\background.html

          Filesize

          161B

          MD5

          901b14672b711073d97faff21c3473c7

          SHA1

          9eb7d801612d5376d3c5931323e691f68ce51ccf

          SHA256

          773436c2a42d4a18efe9c92a95c16835450ec5abe7a60d2bc631507ab5f7b2f7

          SHA512

          8ee7005e3cf4089bbb27d05d4b412529c1c4fa2e3a4b0ebe582d4171115609bb1766eb252ae2cfb9952f776fa6ae67f30299c368b5b2623bf4aaecf88c098131

        • C:\Users\Admin\AppData\Local\Temp\7zS5B88.tmp\njiacboffndabbipjllemibjmfjnbfnh\content.js

          Filesize

          197B

          MD5

          5f9891607f65f433b0690bae7088b2c1

          SHA1

          b4edb7579dca34dcd00bca5d2c13cbc5c8fac0de

          SHA256

          fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b

          SHA512

          76018b39e4b62ff9ea92709d12b0255f33e8402dfc649ed403382eebc22fb37c347c403534a7792e6b5de0ed0a5d97a09b69f0ffc39031cb0d4c7d79e9440c7c

        • C:\Users\Admin\AppData\Local\Temp\7zS5B88.tmp\njiacboffndabbipjllemibjmfjnbfnh\lsdb.js

          Filesize

          559B

          MD5

          209b7ae0b6d8c3f9687c979d03b08089

          SHA1

          6449f8bff917115eef4e7488fae61942a869200f

          SHA256

          e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704

          SHA512

          1b38d5509283ef25de550b43ef2535dee1a13eff12ad5093f513165a47eec631bcc993242e2ce640f36c61974431ae2555bd6e2a97aba91eb689b7cd4bf25a25

        • C:\Users\Admin\AppData\Local\Temp\7zS5B88.tmp\njiacboffndabbipjllemibjmfjnbfnh\manifest.json

          Filesize

          504B

          MD5

          987b8c2fddffb31fb1fea3a78604201e

          SHA1

          cb0abe3acb47fe2a5310e77003b0648c85d49f99

          SHA256

          a0518009eb9e9bb1cb60b872dc1096a7e5c7d1af5b13e671f3a06ecae4cbfe43

          SHA512

          d3e1e6e4056abfc8d74e5932d77423da730c1440c158055f865e57155ac68a68d666103708e5a19d0a84341ce0c944049d17da5573f445367b7f0b7b95c771b2

        • C:\Users\Admin\AppData\Local\Temp\7zS5B88.tmp\njiacboffndabbipjllemibjmfjnbfnh\sqlite.js

          Filesize

          1KB

          MD5

          d79bdbe2b7025a9aa5b2a7be0943e16d

          SHA1

          95ef15c4f2bc6fa204970c60fb08e3f805e5315e

          SHA256

          0aff31e3a0c12a44720b348a10b58c23bc38c92e02b3660110ee8056b6184990

          SHA512

          bbd5c041e76156c37505144cb3c64416e8c4bf58920c7abdecba41330c1853f91370c55d630e1f841ee3c804c042af20008904ca23e47bc5f04b507a0bb6a458

        • C:\Users\Admin\AppData\Local\Temp\7zS5B88.tmp\settings.ini

          Filesize

          6KB

          MD5

          1c7236c264517d5d5258e116f34ef98c

          SHA1

          a373f4f8aa5017ff1b7dc9ea7d5c2425a06ad0a7

          SHA256

          b0a3ad1ac1a85c1654924532b2e52c364486009bcd54e831cc8410e5bf5d3099

          SHA512

          9649f40a434c1c7880a9a50810dd90b2fbc263ba648540201c50299ec1dbe91e0c4331a19bc6f47beacfa7e6cfcb5068cb6b268844647a4146f0ec106cad273a

        • C:\Users\Admin\AppData\Local\Temp\7zS5B88.tmp\[email protected]\bootstrap.js

          Filesize

          2KB

          MD5

          6a1763ab0c428052d6f8326017a70a72

          SHA1

          b0e0ec78d0713017745e5510540dbaffcf377c57

          SHA256

          793cf07879aca82d180d390c4d61dbebc48ae3d0dfe64af8610a06717a244cdf

          SHA512

          a79523c966df25d1b620a9f8eb363295f8801ae272ddfd72787dac122af67cbbeb44dd7eeb41b93287a29c455b86dc3595eca0e1756a4bfebd57729f1b2c7870

        • C:\Users\Admin\AppData\Local\Temp\7zS5B88.tmp\[email protected]\chrome.manifest

          Filesize

          116B

          MD5

          58e5bf9ec04c816c737546973480d754

          SHA1

          fbee7b97d2ebc7bf0a58e45b5c7c9a87f997a1c0

          SHA256

          857f238089e92fe8438db4bca607aeb643818ee728e907627312401a42f715a0

          SHA512

          3a5751951d0028de91f6a4395cad688c9da0c9239e8eef6ce72b52b0096bc015dd4b18afd755988b5e8d69c95c6ba1d6e93e08b73ded77e3dac517e90a596956

        • C:\Users\Admin\AppData\Local\Temp\7zS5B88.tmp\[email protected]\content\bg.js

          Filesize

          8KB

          MD5

          8e63005cc4233c2b8595df9da64d2479

          SHA1

          fe84a0f601d75905e64672a211d7b3c09248ffd5

          SHA256

          14293dff3a3db7cbfb1cda54cc1699cdb1215e4ee20722b75d6f4a9f74dd1a9a

          SHA512

          2f3f0941111e0bfcbdec2e808d24d5852fe96bf925fee4bb7bd2056e5b18b8d80a3da8e54ea36a0e44de949e7260b421f5d284d03a93aad388596363e680f138

        • C:\Users\Admin\AppData\Local\Temp\7zS5B88.tmp\[email protected]\install.rdf

          Filesize

          607B

          MD5

          96dddded09d0873cd65af5b7a3254d1c

          SHA1

          caa1fabe9b6a5cd25cd14e2aa737e0e6cadba087

          SHA256

          2df6fa0557122672b45e3db9213703fba49f9d1180c1841adab0b689ceec4f93

          SHA512

          506cc5d3b126e2635daec6a0029795e1992d5a2664daee6b3ac9be39d6233e623d920cbdc0376d3b94de056f9b986b8d2f148e4edc63c9aea804109ae440f2f7

        • C:\Users\Admin\AppData\Local\Temp\nsy5CC1.tmp\UserInfo.dll

          Filesize

          4KB

          MD5

          7579ade7ae1747a31960a228ce02e666

          SHA1

          8ec8571a296737e819dcf86353a43fcf8ec63351

          SHA256

          564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

          SHA512

          a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

        • C:\Users\Admin\AppData\Local\Temp\nsy5CC1.tmp\nsJSON.dll

          Filesize

          7KB

          MD5

          b9cd1b0fd3af89892348e5cc3108dce7

          SHA1

          f7bc59bf631303facfc970c0da67a73568e1dca6

          SHA256

          49b173504eb9cd07e42a3c4deb84c2cd3f3b49c7fb0858aee43ddfc64660e384

          SHA512

          fdcbdd21b831a92ca686aab5b240f073a89a08588e42439564747cad9160d79cfa8e3c103b6b4f2917684c1a591880203b4303418b85bc040f9f00b6658b0c90

        • \ProgramData\ssayfe savve\51e39e101691e.dll

          Filesize

          116KB

          MD5

          05234975b085632d70d89c2f420c5107

          SHA1

          078fb2a3e5de54c3737a4541242a4725c02c6b9c

          SHA256

          a758ad4fdc8949ea005258075457a972eb0672d69d98d688117b85221fca096a

          SHA512

          f9fa6aee142e32875127feadebbe235f4f376b0c3b7415036b8afc81c0a09a8ba0c5ec9e1703f1a34b220b7646caa1ca02629918185c4afbafe6926014044c4e

        • \ProgramData\ssayfe savve\uninstall.exe

          Filesize

          48KB

          MD5

          f3c79bda3fdf7c5dd24d60400a57cadb

          SHA1

          1adb606aaeedb246a371c8877c737f0f8c798625

          SHA256

          a76272ed3bbf23308782a308d428ee805ec77fbb622a830af26cb0ddbbf7377b

          SHA512

          c43cb957bdea357bd016fe03a8004a48d8117a12106f62876394feba05ad01a321ff6017ffb7b926cc77712f5ab63ea2e4b169a419c444c8f62aa4933f289935

        • \Users\Admin\AppData\Local\Temp\7zS5B88.tmp\51e39e10168e5.exe

          Filesize

          71KB

          MD5

          b78633fae8aaf5f7e99e9c736f44f9c5

          SHA1

          26fc60e29c459891ac0909470ac6c61a1eca1544

          SHA256

          d205693516dbaf34cfbd216e825190de4de1412e861bc9cb30ce863907b30d22

          SHA512

          3885b609269b26918ccfcd9069181168c12f4271b6bdfcc51afe176b2dd242d4c0953ac1a4ddaf25abcfaf28a0b694a6269d96ae39bb7b2db2f0140d2d60cd43

        • \Users\Admin\AppData\Local\Temp\nsy5CC1.tmp\UserInfo.dll

          Filesize

          4KB

          MD5

          7579ade7ae1747a31960a228ce02e666

          SHA1

          8ec8571a296737e819dcf86353a43fcf8ec63351

          SHA256

          564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

          SHA512

          a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

        • \Users\Admin\AppData\Local\Temp\nsy5CC1.tmp\nsJSON.dll

          Filesize

          7KB

          MD5

          b9cd1b0fd3af89892348e5cc3108dce7

          SHA1

          f7bc59bf631303facfc970c0da67a73568e1dca6

          SHA256

          49b173504eb9cd07e42a3c4deb84c2cd3f3b49c7fb0858aee43ddfc64660e384

          SHA512

          fdcbdd21b831a92ca686aab5b240f073a89a08588e42439564747cad9160d79cfa8e3c103b6b4f2917684c1a591880203b4303418b85bc040f9f00b6658b0c90

        • memory/2668-76-0x0000000074FC0000-0x0000000074FCA000-memory.dmp

          Filesize

          40KB