Analysis

  • max time kernel
    174s
  • max time network
    185s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/11/2022, 11:34

General

  • Target

    77962761f45479d3f928286d49d764835061dcca2ba53b2fc075c6b5d50b6882.exe

  • Size

    249KB

  • MD5

    47b02c3ad6695d3d4d1bca1bf0fe1386

  • SHA1

    c5a8f8c74b9c32bc7902ca9579ebd64607ed7440

  • SHA256

    77962761f45479d3f928286d49d764835061dcca2ba53b2fc075c6b5d50b6882

  • SHA512

    bd3ffd1f52648d37960e2bd36f866a69969ff94676dd1a02748fb87ce8736d4a1b36e2191d99c3a274b1e1b6d15d5dce6814cf11b9f0a960be4d24d126dc09c0

  • SSDEEP

    6144:h1OgDPdkBAFZWjadD4s5DUbzLl7NSIF9ZPV3+Aab8:h1OgLdaOIzGIVJ+AZ

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\77962761f45479d3f928286d49d764835061dcca2ba53b2fc075c6b5d50b6882.exe
    "C:\Users\Admin\AppData\Local\Temp\77962761f45479d3f928286d49d764835061dcca2ba53b2fc075c6b5d50b6882.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4936
    • C:\Users\Admin\AppData\Local\Temp\7zSFAFF.tmp\50d83ddde440f.exe
      .\50d83ddde440f.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:3984

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\Zoomex\50d83ddde4448.dll

    Filesize

    115KB

    MD5

    6696822add17061dc0bb8ee5b42cc2d4

    SHA1

    d4622558ba366f2f94560da301a81c6c16f95a3c

    SHA256

    73c44d8943947e3cf9ecabdeea4d9a37652614f5490a1f972816be4123795125

    SHA512

    0f1946ce002441d010f67156f67b9d18e01ba35edfeb66ce8096467d3126b547e5040032253275b173f2dba9bce983775f360d83ec026986b55cb85e4b63f099

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

    Filesize

    2KB

    MD5

    1f12f496a4698af0c4e16257d727b0a8

    SHA1

    e6add0914d295b03f23753207532d05f525d063a

    SHA256

    0850ae7e25be3d6450cb779b109960394597f250bfcd7ffe1e4971448223cd24

    SHA512

    98e6b51bda79a100f6924c4c241aead71d0dc02a6d0fcceed08970ad478f6d15b459d0cd8202899d548627e0441f828b2afe69f93c08c9d9a26e8219757220ee

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

    Filesize

    116B

    MD5

    86602eff332f6a01eed558afda0d53ab

    SHA1

    b0b240eb6fda763affccbbace37cd65271508e6e

    SHA256

    cd48f4257522ad74769579eba5100a75229c4283a35aebd6d3f264796fd4a1a4

    SHA512

    308ce607185ca193cbb73a6f94055a8b4796cc8ccd0035c17c23fa169598fc145f631a7f06059668b633298691c130161946f0e69bfef125a36166ace696543e

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

    Filesize

    8KB

    MD5

    25fc5c309f1fdeab7025787ecd5ba4cc

    SHA1

    d3e1d2df1204b76bbe62361338939d76d8b94af3

    SHA256

    37ac67876bf30ede4363e08c793a970982e7b5015a7c088c9a2321ce7f38b8c5

    SHA512

    bbc06d33c29c049ce28d02d44ca645f62f0bc9d676775b69b838d3a35e83d1b65a3fde821bf03cf77b9b41ee2ae503bb8c197208a042daf0a44ea5a9921f3201

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

    Filesize

    225B

    MD5

    0482ef1b81cad540992654c1635cf480

    SHA1

    2b7a756ddff941f15546b63291edbe7e858f8197

    SHA256

    0ba1a9c8cba6bc5e7d0ff58b1dc6e9a713f39df3e0d7adc1e00d4e151abe541a

    SHA512

    98494d5b66aaa2a97b942e6c3412a4163513149b1b04a08a6264769ecc0443927267501af8beacf5b5e94d770dbe9fd198bb64e5a5ea064b601095cab3c12b7f

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

    Filesize

    700B

    MD5

    9f71a513d83c085d3231b2062b8ead0b

    SHA1

    dc8bf915b2ccb24f6134855cbea31eb7dd0826bd

    SHA256

    dfe68c0e5a49c1b45498df8b2ae82dceea0aaf7c4a62ae26f659cb5a6083fc65

    SHA512

    6a201ed399870a284c32cb1ba88599b74271aed7c7f83ff37f623b4ad9971e488b3cda551d818bc45bd019143439a101bdf0a71486e6cd8bc790ba58dc8c534d

  • C:\Users\Admin\AppData\Local\Temp\7zSFAFF.tmp\50d83ddde440f.exe

    Filesize

    70KB

    MD5

    ebcc3eb1a7021aaead55fb677465a717

    SHA1

    3c8347f0fd520ee423a4aafea1112a0b06f4b6c8

    SHA256

    5e74f0e710c067ad82301c7c14ed6afb138f974f351042cfe0ecd275cea2612c

    SHA512

    0f18c22e6eff8ec90ccc616e62f32701d046185311e01e5f506778fae0c31f35123c3ce756ff2c0eef6f23e06e280f870b80080d11dc6da3aa25901f5a92d995

  • C:\Users\Admin\AppData\Local\Temp\7zSFAFF.tmp\50d83ddde440f.exe

    Filesize

    70KB

    MD5

    ebcc3eb1a7021aaead55fb677465a717

    SHA1

    3c8347f0fd520ee423a4aafea1112a0b06f4b6c8

    SHA256

    5e74f0e710c067ad82301c7c14ed6afb138f974f351042cfe0ecd275cea2612c

    SHA512

    0f18c22e6eff8ec90ccc616e62f32701d046185311e01e5f506778fae0c31f35123c3ce756ff2c0eef6f23e06e280f870b80080d11dc6da3aa25901f5a92d995

  • C:\Users\Admin\AppData\Local\Temp\7zSFAFF.tmp\50d83ddde4448.dll

    Filesize

    115KB

    MD5

    6696822add17061dc0bb8ee5b42cc2d4

    SHA1

    d4622558ba366f2f94560da301a81c6c16f95a3c

    SHA256

    73c44d8943947e3cf9ecabdeea4d9a37652614f5490a1f972816be4123795125

    SHA512

    0f1946ce002441d010f67156f67b9d18e01ba35edfeb66ce8096467d3126b547e5040032253275b173f2dba9bce983775f360d83ec026986b55cb85e4b63f099

  • C:\Users\Admin\AppData\Local\Temp\7zSFAFF.tmp\50d83ddde4448.tlb

    Filesize

    2KB

    MD5

    096a65b8a695249d5d554776f1eeace3

    SHA1

    2f2506b886a59b4408b23653d8734004ec2dda6d

    SHA256

    a602c790bcf424c154a082a88a495b256dd5456f627943568c358c74f606c568

    SHA512

    6e832caff1951b4fdb489997af5736fdbafa1de5573f629fc6798666bffd0ca0715311ce6590202cc970cce4492d94994a588547bb579bf70bc264683bc45cdc

  • C:\Users\Admin\AppData\Local\Temp\7zSFAFF.tmp\bldlfbbaonjecbdpnndljdhgmafknjap.crx

    Filesize

    8KB

    MD5

    b3f6fac5ed495e261c2ac70b906bb82b

    SHA1

    b2d12e71ada46d973a135c706708aef7a7c1cda6

    SHA256

    ee8fbebfe1435f11af7ee65a2b1e3423998fd3a86a806925916fef3692e28327

    SHA512

    b288883780d55f6e2833e35565db38ab2109d8122c5bc0782d4dd43c83f6fc858fc207af84bf70d2855997a99098b22c7e134703be9f0aeb2e4d7d5c951dd410

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

    Filesize

    6KB

    MD5

    100e6d5f263b71bdf077fbc3993bfaff

    SHA1

    fbea45a7c26523b0adc1d810660f093bf0baa2ab

    SHA256

    cf5ea1526fb850bc05c4adcf8716b7c010def32d9cd17e7ea55aa8953fde74c3

    SHA512

    d213f98fb6c529d04849d565f5f964ba52b67441df76fded2cca6ecf00f5bb4059c519ca2d716afa28f244db61c5ecdcd3701f4fdcd9ced4ad4ba7b1e7d61e9c

  • C:\Users\Admin\AppData\Local\Temp\nslFCE4.tmp\UserInfo.dll

    Filesize

    4KB

    MD5

    7579ade7ae1747a31960a228ce02e666

    SHA1

    8ec8571a296737e819dcf86353a43fcf8ec63351

    SHA256

    564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

    SHA512

    a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

  • C:\Users\Admin\AppData\Local\Temp\nslFCE4.tmp\nsJSON.dll

    Filesize

    7KB

    MD5

    b9cd1b0fd3af89892348e5cc3108dce7

    SHA1

    f7bc59bf631303facfc970c0da67a73568e1dca6

    SHA256

    49b173504eb9cd07e42a3c4deb84c2cd3f3b49c7fb0858aee43ddfc64660e384

    SHA512

    fdcbdd21b831a92ca686aab5b240f073a89a08588e42439564747cad9160d79cfa8e3c103b6b4f2917684c1a591880203b4303418b85bc040f9f00b6658b0c90

  • memory/3984-144-0x0000000074D30000-0x0000000074D3A000-memory.dmp

    Filesize

    40KB