Analysis

  • max time kernel
    60s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/11/2022, 11:31

General

  • Target

    b6f19ba754358d84e04de8b89b60f54097326886783a3a3eb7f159ba5d50fbc0.exe

  • Size

    249KB

  • MD5

    336db908f10ff1f60b574de69d8a2d7a

  • SHA1

    f75dd63cf82f9ed50b00f9541caed9d77afaf812

  • SHA256

    b6f19ba754358d84e04de8b89b60f54097326886783a3a3eb7f159ba5d50fbc0

  • SHA512

    2197a1448e42eb36cd97b12ac6ab968205a419d3f7c73690309bd4680b294b8fdd0c88272bde5d0ca399d21610ec234b0639427575b394cff01721329a2e95e8

  • SSDEEP

    6144:h1OgDPdkBAFZWjadD4s5aA7YWpbpZJtNOyOo19djegWkC4T:h1OgLdaO/t3n9UVwT

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 3 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 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\b6f19ba754358d84e04de8b89b60f54097326886783a3a3eb7f159ba5d50fbc0.exe
    "C:\Users\Admin\AppData\Local\Temp\b6f19ba754358d84e04de8b89b60f54097326886783a3a3eb7f159ba5d50fbc0.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3736
    • C:\Users\Admin\AppData\Local\Temp\7zSFF15.tmp\50e566113b658.exe
      .\50e566113b658.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:1884

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\Zoomex\50e566113b691.dll

          Filesize

          115KB

          MD5

          6696822add17061dc0bb8ee5b42cc2d4

          SHA1

          d4622558ba366f2f94560da301a81c6c16f95a3c

          SHA256

          73c44d8943947e3cf9ecabdeea4d9a37652614f5490a1f972816be4123795125

          SHA512

          0f1946ce002441d010f67156f67b9d18e01ba35edfeb66ce8096467d3126b547e5040032253275b173f2dba9bce983775f360d83ec026986b55cb85e4b63f099

        • C:\Users\Admin\AppData\Local\Temp\7zSFF15.tmp\[email protected]\bootstrap.js

          Filesize

          2KB

          MD5

          b636f8c7d6f37264efa74bfc1ca455bd

          SHA1

          594440aa0f83cec0de98f3e7a51b1bcb5bbad4a3

          SHA256

          2b70b903d5b544b4b892f1d57a6dc720d6a2beb141e6cfbaaa60490a369a9ad6

          SHA512

          166eb829e63cc2e364cd9ceb16ea5b37302dfe80ed266920489fe6c7167a8be96886638bea2cc6010ed5381d255e53b1c357f11366d9afd688c82644f31191cc

        • C:\Users\Admin\AppData\Local\Temp\7zSFF15.tmp\[email protected]\chrome.manifest

          Filesize

          116B

          MD5

          aec70e839d7b700951266a19ae545cf5

          SHA1

          624382b3cb958f470ec3067b3570b776849d4476

          SHA256

          1234479af093f80778b9ff5f5b971820d74b42be458ef1be5a48c577d04b2f75

          SHA512

          6dce4e515ba9bbfcbe41353bee5555e0c2ea6f695a7119504e6ffe73bec38f4e492c3ece0ec06c14978cb89afef9862fddc627cb2b9ec8542cfe864f17df2540

        • C:\Users\Admin\AppData\Local\Temp\7zSFF15.tmp\[email protected]\content\bg.js

          Filesize

          8KB

          MD5

          554cec843af550b20b892dba358a01bb

          SHA1

          e243beb2e8117ace63564f29bb783ac7d3314e56

          SHA256

          d6ae50671d65d55ab6302cdd533c92d0441d1ab043d21d64687dfc7122d58daa

          SHA512

          f9217b3097c70ca2afabc7f54b2d2e650cc045140448bcd2db3c59c20f5e521f709472006dc9661638309c76552521d4b3cfe1f203f9a8bcfc45f30a162b4b51

        • C:\Users\Admin\AppData\Local\Temp\7zSFF15.tmp\[email protected]\content\zy.xul

          Filesize

          225B

          MD5

          a2d8c7ea38a0f25f91664fe936adf056

          SHA1

          faf0a67986491dea9a0ec9f0075017a723f34957

          SHA256

          930378e925c851c9dbaa3299f3400e2ecbb4a34e622a97209fdf344abded9646

          SHA512

          63ed708409b23dd315d59c1dabe221293f6863522241677ff1781baf68338efcac18ff1378b0b0cb2d0ae2470f93d334bb27afeeba602d7b22f30af83bdecf1e

        • C:\Users\Admin\AppData\Local\Temp\7zSFF15.tmp\[email protected]\install.rdf

          Filesize

          700B

          MD5

          168a03ed4c4392c8b97cb86291f1a78e

          SHA1

          1d85fc49c74620da7c37b1b1fdc6cd34faf3333a

          SHA256

          265c5e824a2c009c2a9f678e86b53f6b7a937611d99a77bdc6244d1e35bdcdb3

          SHA512

          cfe6c098e55a615d98d78dcd72bafdf5579a91363d57ef8417ce5e395ac74f6519e07d338e6857557b863f0d72596b622c18c2319d030f85e30d281fc2b6017c

        • C:\Users\Admin\AppData\Local\Temp\7zSFF15.tmp\50e566113b658.exe

          Filesize

          70KB

          MD5

          ebcc3eb1a7021aaead55fb677465a717

          SHA1

          3c8347f0fd520ee423a4aafea1112a0b06f4b6c8

          SHA256

          5e74f0e710c067ad82301c7c14ed6afb138f974f351042cfe0ecd275cea2612c

          SHA512

          0f18c22e6eff8ec90ccc616e62f32701d046185311e01e5f506778fae0c31f35123c3ce756ff2c0eef6f23e06e280f870b80080d11dc6da3aa25901f5a92d995

        • C:\Users\Admin\AppData\Local\Temp\7zSFF15.tmp\50e566113b658.exe

          Filesize

          70KB

          MD5

          ebcc3eb1a7021aaead55fb677465a717

          SHA1

          3c8347f0fd520ee423a4aafea1112a0b06f4b6c8

          SHA256

          5e74f0e710c067ad82301c7c14ed6afb138f974f351042cfe0ecd275cea2612c

          SHA512

          0f18c22e6eff8ec90ccc616e62f32701d046185311e01e5f506778fae0c31f35123c3ce756ff2c0eef6f23e06e280f870b80080d11dc6da3aa25901f5a92d995

        • C:\Users\Admin\AppData\Local\Temp\7zSFF15.tmp\50e566113b691.dll

          Filesize

          115KB

          MD5

          6696822add17061dc0bb8ee5b42cc2d4

          SHA1

          d4622558ba366f2f94560da301a81c6c16f95a3c

          SHA256

          73c44d8943947e3cf9ecabdeea4d9a37652614f5490a1f972816be4123795125

          SHA512

          0f1946ce002441d010f67156f67b9d18e01ba35edfeb66ce8096467d3126b547e5040032253275b173f2dba9bce983775f360d83ec026986b55cb85e4b63f099

        • C:\Users\Admin\AppData\Local\Temp\7zSFF15.tmp\50e566113b691.tlb

          Filesize

          2KB

          MD5

          096a65b8a695249d5d554776f1eeace3

          SHA1

          2f2506b886a59b4408b23653d8734004ec2dda6d

          SHA256

          a602c790bcf424c154a082a88a495b256dd5456f627943568c358c74f606c568

          SHA512

          6e832caff1951b4fdb489997af5736fdbafa1de5573f629fc6798666bffd0ca0715311ce6590202cc970cce4492d94994a588547bb579bf70bc264683bc45cdc

        • C:\Users\Admin\AppData\Local\Temp\7zSFF15.tmp\djpcndnkadgckpejggfhdhnlbhbflhfl.crx

          Filesize

          8KB

          MD5

          29af341b7de840c3e195850728910223

          SHA1

          dd75708d2deab0f130e21ffe590d2a3f5bbc7700

          SHA256

          6b8ef30edd673f1e202264ce1c1cf0cf0950f92f1cd7667a4cb67d7d6264cc4a

          SHA512

          4c0fb94918d5cae4a69acb411642e71dd8bac40da43709ccb616709c832b2f0363763461f6ed00c2f9fbbe62d694e62913c672dd0a50a6b5da1584de47334721

        • C:\Users\Admin\AppData\Local\Temp\7zSFF15.tmp\settings.ini

          Filesize

          6KB

          MD5

          b516920acec266f9aa964a7d2d05b74b

          SHA1

          ece0fd3b1953ee90c68e41272777e36cee40be43

          SHA256

          15322918e79a75bdd36ce81a9ae597734de066b3d62e3a52a92c49df5b5c0bcd

          SHA512

          1a9022bcd12aeeeaa815a25c20445e84e7bd4c82ad71bb049f69131810678a70e7291056f5921f8726e4df215e8ce5f378c011d823b98c767943a8e679f7ecd1

        • C:\Users\Admin\AppData\Local\Temp\nsy427.tmp\UserInfo.dll

          Filesize

          4KB

          MD5

          7579ade7ae1747a31960a228ce02e666

          SHA1

          8ec8571a296737e819dcf86353a43fcf8ec63351

          SHA256

          564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

          SHA512

          a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

        • C:\Users\Admin\AppData\Local\Temp\nsy427.tmp\nsJSON.dll

          Filesize

          7KB

          MD5

          b9cd1b0fd3af89892348e5cc3108dce7

          SHA1

          f7bc59bf631303facfc970c0da67a73568e1dca6

          SHA256

          49b173504eb9cd07e42a3c4deb84c2cd3f3b49c7fb0858aee43ddfc64660e384

          SHA512

          fdcbdd21b831a92ca686aab5b240f073a89a08588e42439564747cad9160d79cfa8e3c103b6b4f2917684c1a591880203b4303418b85bc040f9f00b6658b0c90

        • memory/1884-147-0x0000000074CB0000-0x0000000074CBA000-memory.dmp

          Filesize

          40KB