Analysis

  • max time kernel
    42s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    01/12/2022, 06:40

General

  • Target

    b5583d539b2e80e5ee92b2709b8e3ba01047f3b4305a2d399ec82136023362e3.exe

  • Size

    249KB

  • MD5

    afa91ccab0d20804bbe275fa7aa8bc41

  • SHA1

    91860a4d84f6929eb273366fe31c736f10ed5405

  • SHA256

    b5583d539b2e80e5ee92b2709b8e3ba01047f3b4305a2d399ec82136023362e3

  • SHA512

    ff2829523759215b27e1284c0432918928841b02ba50d118b9c4232bb406360166e2beeb15958d3e4e83b54ba009a38215f501af48b61e639633b7135455d2aa

  • SSDEEP

    6144:h1OgDPdkBAFZWjadD4s5IyD3r7Ma1Bu5qzDE8:h1OgLdaODT/JzuoP

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 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). Likely ransomware behaviour.

  • NSIS installer 8 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\b5583d539b2e80e5ee92b2709b8e3ba01047f3b4305a2d399ec82136023362e3.exe
    "C:\Users\Admin\AppData\Local\Temp\b5583d539b2e80e5ee92b2709b8e3ba01047f3b4305a2d399ec82136023362e3.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1096
    • C:\Users\Admin\AppData\Local\Temp\7zSEBA7.tmp\50dea4cdd42c0.exe
      .\50dea4cdd42c0.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:1268

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\7zSEBA7.tmp\[email protected]\bootstrap.js

          Filesize

          2KB

          MD5

          4e9b568840b5fb0de2e7e7f89a6001e6

          SHA1

          c06aa07cfc0f7434e2dd53a98dfa893cd0f1363e

          SHA256

          06c0dc3d29dfc21d35540b6cfc521056f93b2c88035805fff84974822786cd85

          SHA512

          f32351a0dc11a55e9a48d0ea76df35b9f95aad1534ea72dac7a5fec31ccd0a93acc2254573ef17fe98a44dbba1c77fb5cc4f696b783323f169b83fe540e5efa2

        • C:\Users\Admin\AppData\Local\Temp\7zSEBA7.tmp\[email protected]\chrome.manifest

          Filesize

          116B

          MD5

          a4d41457f3899177d7f62043da1d1ee2

          SHA1

          be15614b938883fd30c86832e20e52bf5beaffa7

          SHA256

          2a5a30eaff7cce09b8934d7aea14696f3aeae0a59d85d37a59143329be1bcaf4

          SHA512

          48a225d810e1bc7f1dda240592613516400978abb6bbc5b91d97245186d7725022cca672a17d51e63b44e0008aa8dcff6e6de38572b3778062ebdc151898afdf

        • C:\Users\Admin\AppData\Local\Temp\7zSEBA7.tmp\[email protected]\content\bg.js

          Filesize

          8KB

          MD5

          a1e1f051e65aea97801250c5ba6f4883

          SHA1

          d81ae1d4e98829be75311d43e04c04cad95f7679

          SHA256

          781829170e0664bd0654bc5fe15b529d17fe8f32bf4b60d9b999d84b7470490f

          SHA512

          c20bcc79da9b2a6ffa4b0833dd70d2bd607e9473c787ea6ba0ca2f30e66d803210d47d3c9b2a4eac51b50c958ff015ade67836896fda84c259dea59a76730858

        • C:\Users\Admin\AppData\Local\Temp\7zSEBA7.tmp\[email protected]\content\zy.xul

          Filesize

          225B

          MD5

          fb06d4367ae46fafdbc5e5db853971b1

          SHA1

          6f203f86b8811c26b41a88326747a1e2ac9f48c8

          SHA256

          2a6016446a6d164351b50a943253a1ecf11d567ca6fe4dbf6f156a5168340dcd

          SHA512

          7c7387445d2d8b23b0da92248c4ec7705b68966df0ca2f37301ef7e154424a70a8861866aeb2eff58706280d4030425f819c08a6beda71e4baae5ade0931ad76

        • C:\Users\Admin\AppData\Local\Temp\7zSEBA7.tmp\[email protected]\install.rdf

          Filesize

          700B

          MD5

          3a9d76ee168c7374d026bb8712e92901

          SHA1

          34efec0d22a720b0c84b412142ff61eda92cedcd

          SHA256

          090facdb5defd7947e29ad55abcb67626a8500b0249575569b5d25d328c1d7c8

          SHA512

          f2b52de0d90c98094ded17f950ac7c7943ef2abd400a954a8c46c5f4627ef3eda7f5339f838132284bd3705b72ea28ce12c6429140a63e5a04dd4e0032ef8e59

        • C:\Users\Admin\AppData\Local\Temp\7zSEBA7.tmp\50dea4cdd42c0.exe

          Filesize

          70KB

          MD5

          ebcc3eb1a7021aaead55fb677465a717

          SHA1

          3c8347f0fd520ee423a4aafea1112a0b06f4b6c8

          SHA256

          5e74f0e710c067ad82301c7c14ed6afb138f974f351042cfe0ecd275cea2612c

          SHA512

          0f18c22e6eff8ec90ccc616e62f32701d046185311e01e5f506778fae0c31f35123c3ce756ff2c0eef6f23e06e280f870b80080d11dc6da3aa25901f5a92d995

        • C:\Users\Admin\AppData\Local\Temp\7zSEBA7.tmp\50dea4cdd42c0.exe

          Filesize

          70KB

          MD5

          ebcc3eb1a7021aaead55fb677465a717

          SHA1

          3c8347f0fd520ee423a4aafea1112a0b06f4b6c8

          SHA256

          5e74f0e710c067ad82301c7c14ed6afb138f974f351042cfe0ecd275cea2612c

          SHA512

          0f18c22e6eff8ec90ccc616e62f32701d046185311e01e5f506778fae0c31f35123c3ce756ff2c0eef6f23e06e280f870b80080d11dc6da3aa25901f5a92d995

        • C:\Users\Admin\AppData\Local\Temp\7zSEBA7.tmp\50dea4cdd42f9.dll

          Filesize

          115KB

          MD5

          6696822add17061dc0bb8ee5b42cc2d4

          SHA1

          d4622558ba366f2f94560da301a81c6c16f95a3c

          SHA256

          73c44d8943947e3cf9ecabdeea4d9a37652614f5490a1f972816be4123795125

          SHA512

          0f1946ce002441d010f67156f67b9d18e01ba35edfeb66ce8096467d3126b547e5040032253275b173f2dba9bce983775f360d83ec026986b55cb85e4b63f099

        • C:\Users\Admin\AppData\Local\Temp\7zSEBA7.tmp\50dea4cdd42f9.tlb

          Filesize

          2KB

          MD5

          096a65b8a695249d5d554776f1eeace3

          SHA1

          2f2506b886a59b4408b23653d8734004ec2dda6d

          SHA256

          a602c790bcf424c154a082a88a495b256dd5456f627943568c358c74f606c568

          SHA512

          6e832caff1951b4fdb489997af5736fdbafa1de5573f629fc6798666bffd0ca0715311ce6590202cc970cce4492d94994a588547bb579bf70bc264683bc45cdc

        • C:\Users\Admin\AppData\Local\Temp\7zSEBA7.tmp\abficeciccicflghebhmcplllfegibja.crx

          Filesize

          8KB

          MD5

          017d584e9710117647cea3addb5f1a92

          SHA1

          beeaf0f945028ba6e9188cc7dbd8a097c32e4c37

          SHA256

          cfea3b5c5abc5c495ca0f6725ce06f2b826eea42dfb931d4ac285cf5508ea459

          SHA512

          0885937b5eb29c9ca1c9b63d5c7b74167a58a0e704e42cce790336dc72824b57efaf2a1f1d8cff1c437887f94d156fe7fd3f0408466b819426818bee142a3a12

        • C:\Users\Admin\AppData\Local\Temp\7zSEBA7.tmp\settings.ini

          Filesize

          6KB

          MD5

          79052cc5e62ea30894050cf7b49a85af

          SHA1

          c8f9a82c9d6703338fa65db0bc0ed2c557722f1c

          SHA256

          4a489cc54ffda8cdb55e0e06025dc0324f901e2874dd1c94e02eb797d17f066a

          SHA512

          bf1b9fac65cf9c01042de3d39aba5e1c8fab136fc18873e5aa748b1c2198472e8a064d9f78a4b87c06a8b8adcfef181c4d6aba9f417411b3fd1d249c6114e122

        • \ProgramData\Zoomex\50dea4cdd42f9.dll

          Filesize

          115KB

          MD5

          6696822add17061dc0bb8ee5b42cc2d4

          SHA1

          d4622558ba366f2f94560da301a81c6c16f95a3c

          SHA256

          73c44d8943947e3cf9ecabdeea4d9a37652614f5490a1f972816be4123795125

          SHA512

          0f1946ce002441d010f67156f67b9d18e01ba35edfeb66ce8096467d3126b547e5040032253275b173f2dba9bce983775f360d83ec026986b55cb85e4b63f099

        • \ProgramData\Zoomex\uninstall.exe

          Filesize

          48KB

          MD5

          e9c9582996a23b2a49a058dcaa3b5525

          SHA1

          f527cc64e759f06c011e5eeffbd217d5249c04df

          SHA256

          43c3e8d7aa00a299f084db17e384aa96de508565f82264ee88bd9c7647fa9fc9

          SHA512

          665613fc7f20e2c4ea40b7a8f39b4c2ea2a24c5119ee86ef072bbe29f606cd78a43081aa0a89b678a46d34e470e1ed10e31d590d3cb5447e1231707fea8e490f

        • \Users\Admin\AppData\Local\Temp\7zSEBA7.tmp\50dea4cdd42c0.exe

          Filesize

          70KB

          MD5

          ebcc3eb1a7021aaead55fb677465a717

          SHA1

          3c8347f0fd520ee423a4aafea1112a0b06f4b6c8

          SHA256

          5e74f0e710c067ad82301c7c14ed6afb138f974f351042cfe0ecd275cea2612c

          SHA512

          0f18c22e6eff8ec90ccc616e62f32701d046185311e01e5f506778fae0c31f35123c3ce756ff2c0eef6f23e06e280f870b80080d11dc6da3aa25901f5a92d995

        • \Users\Admin\AppData\Local\Temp\nstEEC4.tmp\UserInfo.dll

          Filesize

          4KB

          MD5

          7579ade7ae1747a31960a228ce02e666

          SHA1

          8ec8571a296737e819dcf86353a43fcf8ec63351

          SHA256

          564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

          SHA512

          a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

        • \Users\Admin\AppData\Local\Temp\nstEEC4.tmp\nsJSON.dll

          Filesize

          7KB

          MD5

          b9cd1b0fd3af89892348e5cc3108dce7

          SHA1

          f7bc59bf631303facfc970c0da67a73568e1dca6

          SHA256

          49b173504eb9cd07e42a3c4deb84c2cd3f3b49c7fb0858aee43ddfc64660e384

          SHA512

          fdcbdd21b831a92ca686aab5b240f073a89a08588e42439564747cad9160d79cfa8e3c103b6b4f2917684c1a591880203b4303418b85bc040f9f00b6658b0c90

        • memory/1096-54-0x0000000075211000-0x0000000075213000-memory.dmp

          Filesize

          8KB

        • memory/1268-72-0x0000000074970000-0x000000007497A000-memory.dmp

          Filesize

          40KB