Analysis

  • max time kernel
    44s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    23/11/2022, 23:14

General

  • Target

    739ea054277b4aad3d738d3ac3342db2fed04f0ab8ce977af93cde965f90f96a.exe

  • Size

    250KB

  • MD5

    4522f8b7894a5a43ca8eae348b6df0f8

  • SHA1

    93c3a4cd445ecf790239cce1a75617e7cef4a67a

  • SHA256

    739ea054277b4aad3d738d3ac3342db2fed04f0ab8ce977af93cde965f90f96a

  • SHA512

    2f183208adb2f6a3b4831d871901d989defeaeab7c9cd2fb3d5857daeca195aec6a065e0d4506c8ba620e319c0b8ed37b4cb1eabb8d9ba84879cbcda98ee1134

  • SSDEEP

    6144:h1OgDPdkBAFZWjadD4s5OS16RRtEE01xFCvdaAyNg6C2z:h1OgLdaOOS16RYMvd96z

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Installs/modifies Browser Helper Object 2 TTPs 4 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). Likely ransomware behaviour.

  • NSIS installer 8 IoCs
  • Modifies registry class 63 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\739ea054277b4aad3d738d3ac3342db2fed04f0ab8ce977af93cde965f90f96a.exe
    "C:\Users\Admin\AppData\Local\Temp\739ea054277b4aad3d738d3ac3342db2fed04f0ab8ce977af93cde965f90f96a.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1048
    • C:\Users\Admin\AppData\Local\Temp\7zSABB.tmp\50d6b792c3552.exe
      .\50d6b792c3552.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:1388

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          2KB

          MD5

          fb21ee3d69e8005a4442fa87dc3dde57

          SHA1

          8b5b21d1bea0c2b95db31cda6ec7f417639d930f

          SHA256

          854c393009d7b76e9bac3a327cee618ce7ead190481209506ba98ca2d2a76d7a

          SHA512

          7df3f4bb636a0db57e933d9dec687435b76fcd552aa01433e2b5057c7b9928b92ac7236b2953ace0ba60e8ca5ba98d1a3fc65c4f7e67ebeea2ff7aa9cc884ee4

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

          Filesize

          116B

          MD5

          5ff631c81ef1b160b57807de8812304e

          SHA1

          6f29a6ce7e2a5d768ea6275013b57ff9340dec36

          SHA256

          6e395da983c78bcb02a05b495f4b7727b1b85038742e7a432641e3d480bffee5

          SHA512

          093879e8a1a0bda39d7adfc6969be52b1ba9de2eb4d46c8b9963c73d0932a0b6a7fe076184449e63a61287275df1efb6a8dd81a10dd6048819bc68a89ee45881

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

          Filesize

          8KB

          MD5

          cfadbbd32155bdbadf4969b8a9ba18f3

          SHA1

          c9d90b27a39881a9ad876de35c9ce2e2028967d5

          SHA256

          019439a1aa6380829b45d18b727c5533803a5c9dcfc0dcbecd2853bdb1bc5385

          SHA512

          73732363906ca92225ea6e6607a0210cf41178c0ffaa0b79b3746bb2856ec466faf00020255cfd2371aba8f01dc4c72ad79c56cdf0db35d594da3783fc221d8b

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

          Filesize

          225B

          MD5

          bb0d2d5e7be76814b1e71787da74e053

          SHA1

          0b96e66de18519ed0c3ed0ab6035b57c4364ec97

          SHA256

          ab9efda70db52a18531104665cfa6b02ea636c524d353b74a6496115b9193fb8

          SHA512

          d1d7e5c3dec99fe4fc175f5168f663db29abed8dd3cac1081066aa2bd7d2f093e0eeaf03c1f52baca585d1e303a470ab4bc1c019c38ab753e23c4d336b776f17

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

          Filesize

          700B

          MD5

          59490fd71f050da0d9264f0f67c54786

          SHA1

          441d6154e7e7c707d756a8d1d4274720f06e50d6

          SHA256

          165cd78e9929018410cc4310445638cf593e4070509287b484f9fd31006c4c00

          SHA512

          3430bb7d02fabd3106336daee23d034ea2389cc4a03722fc1d753ac88bb1ccbee6d96a0591a5d3268f94c4bda59eb5a8da512fefda69e4ee6c52da36fbc33dda

        • C:\Users\Admin\AppData\Local\Temp\7zSABB.tmp\50d6b792c3552.exe

          Filesize

          70KB

          MD5

          7319db88a44b28a6b71d9f66ad31acdc

          SHA1

          bdb88b0292f874dc2258ce27dfb67cf60c2a2644

          SHA256

          a56dcdeccac497635629d0eeef200ee0b9d7edaa80bdc7524d27bfa5ec68c7fa

          SHA512

          5bd1b8750247c1fcf0f57d4ea4569b727b36d9926c94c02fada307ee4168de45821beea2fe8abeda74a1b488ec7539005d8e80168074a60130cfa46b996ee22f

        • C:\Users\Admin\AppData\Local\Temp\7zSABB.tmp\50d6b792c3552.exe

          Filesize

          70KB

          MD5

          7319db88a44b28a6b71d9f66ad31acdc

          SHA1

          bdb88b0292f874dc2258ce27dfb67cf60c2a2644

          SHA256

          a56dcdeccac497635629d0eeef200ee0b9d7edaa80bdc7524d27bfa5ec68c7fa

          SHA512

          5bd1b8750247c1fcf0f57d4ea4569b727b36d9926c94c02fada307ee4168de45821beea2fe8abeda74a1b488ec7539005d8e80168074a60130cfa46b996ee22f

        • C:\Users\Admin\AppData\Local\Temp\7zSABB.tmp\50d6b792c358a.ocx

          Filesize

          126KB

          MD5

          d637295a8426c7c4a8e9ef3e584839a2

          SHA1

          55b64f53328498d22d269de2e65be2feeba7da00

          SHA256

          5cbd7f4b8f991ccab51cfc1fd0a5437013c5196f3c636632d691103aa3708adb

          SHA512

          f60f908b9f0efd4762255c9c71559bbd554714170262dd556353ddda55789d21cc3a8ade239cdf51da38dfa4e92714749c217095bccac19590ef8347ca501c8c

        • C:\Users\Admin\AppData\Local\Temp\7zSABB.tmp\50d6b792c35c3.html

          Filesize

          4KB

          MD5

          85363bb36ccb76d795ba88f7a7a4e665

          SHA1

          13b0b5dd8a3cf3bc7f185231aa163c1221716c05

          SHA256

          2be837ba4a61e809752db4fc4cc466cebb16eb84d8ebcfc235a745647e1505ca

          SHA512

          c19c321d08dcfb5583c73f8769d19e59f6f8a5ddce70a0215d6754631e2bba9693ecda8bbb1d90c6fbffc5a852b574999714d35241c9351cc9082679a73ee371

        • C:\Users\Admin\AppData\Local\Temp\7zSABB.tmp\50d6b792c35fb.js

          Filesize

          9B

          MD5

          99fa5d714d971a49b67de27e0d8871be

          SHA1

          d0621e846ea60fa8d0b2c8e622e495af49cd7359

          SHA256

          f560d76474380da948a0c5ab8682dc026822d9685268c592f315224b1b968bf6

          SHA512

          2fec19e4f2a974227922a7e057890141523ae73fbfa127f9e8cd00dff71b29abb93cb865c6d74ecf3df8bca440c558d4fbf2f80e82cc9636320ab5edb95ebad5

        • C:\Users\Admin\AppData\Local\Temp\7zSABB.tmp\gdhbeejljpjnlplcmjljlgbjcjlmagpp.crx

          Filesize

          8KB

          MD5

          b530f5a9ee28b4e26ed0e8f11d3a06b9

          SHA1

          14f6738a318241a20c945147c7e6fe0319e75b31

          SHA256

          460a0aa86301f696f5ed432cc1e9ad5827dcf5a7a4564e57389b794efed218ef

          SHA512

          3ed531661b9691cb07b745d17c4f2abcbb6845db4a9a54d98e015af30c4db73c5924c257247e99de3503eb8dc0052241d2adf4e2024210e87f309f348a3d873d

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

          Filesize

          906B

          MD5

          19ff933e17fc90321880094d292b6332

          SHA1

          090ccce152c946351cb4be6cb70bcd903f866daf

          SHA256

          d3ffe89e2f15613c145ec0c1b66c2163b975fabf05e5d19d736c5e112085ed2d

          SHA512

          dbd530c5e0ba9f314102bb8f02dbe1629e7b562816583241275aa0e91bae6b7b05a2b3273eae23d70e511bcdbe1908d6218beb4dadd872de6826d13d1420fa89

        • \ProgramData\Zoomex\50d6b792c358a.ocx

          Filesize

          126KB

          MD5

          d637295a8426c7c4a8e9ef3e584839a2

          SHA1

          55b64f53328498d22d269de2e65be2feeba7da00

          SHA256

          5cbd7f4b8f991ccab51cfc1fd0a5437013c5196f3c636632d691103aa3708adb

          SHA512

          f60f908b9f0efd4762255c9c71559bbd554714170262dd556353ddda55789d21cc3a8ade239cdf51da38dfa4e92714749c217095bccac19590ef8347ca501c8c

        • \ProgramData\Zoomex\uninstall.exe

          Filesize

          48KB

          MD5

          68cbbc94350bf363934311029109102e

          SHA1

          88cf26282645bfd3f0216c7f30100a0a379407f2

          SHA256

          3a7740af62d07773e01d2b00fc222af90090e6d2839f37b44e5c353efede0ff4

          SHA512

          3db4885db6287b1066aeb10be303e0dd2507007025d42039bc1eaa85a950489c004adb9860ae22955c1275189371f4c3e3fda8a005be9ce5c36a261105697a35

        • \Users\Admin\AppData\Local\Temp\7zSABB.tmp\50d6b792c3552.exe

          Filesize

          70KB

          MD5

          7319db88a44b28a6b71d9f66ad31acdc

          SHA1

          bdb88b0292f874dc2258ce27dfb67cf60c2a2644

          SHA256

          a56dcdeccac497635629d0eeef200ee0b9d7edaa80bdc7524d27bfa5ec68c7fa

          SHA512

          5bd1b8750247c1fcf0f57d4ea4569b727b36d9926c94c02fada307ee4168de45821beea2fe8abeda74a1b488ec7539005d8e80168074a60130cfa46b996ee22f

        • \Users\Admin\AppData\Local\Temp\nsiBC5.tmp\UserInfo.dll

          Filesize

          4KB

          MD5

          7579ade7ae1747a31960a228ce02e666

          SHA1

          8ec8571a296737e819dcf86353a43fcf8ec63351

          SHA256

          564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

          SHA512

          a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

        • \Users\Admin\AppData\Local\Temp\nsiBC5.tmp\nsJSON.dll

          Filesize

          7KB

          MD5

          b9cd1b0fd3af89892348e5cc3108dce7

          SHA1

          f7bc59bf631303facfc970c0da67a73568e1dca6

          SHA256

          49b173504eb9cd07e42a3c4deb84c2cd3f3b49c7fb0858aee43ddfc64660e384

          SHA512

          fdcbdd21b831a92ca686aab5b240f073a89a08588e42439564747cad9160d79cfa8e3c103b6b4f2917684c1a591880203b4303418b85bc040f9f00b6658b0c90

        • memory/1048-54-0x00000000759F1000-0x00000000759F3000-memory.dmp

          Filesize

          8KB

        • memory/1388-73-0x0000000074B90000-0x0000000074B9A000-memory.dmp

          Filesize

          40KB