Analysis

  • max time kernel
    3s
  • max time network
    32s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    02/12/2022, 01:28

General

  • Target

    874d85c33785868f3644d4bd6fe46df7a84629ba1e6ee693248d6012605fd56e.exe

  • Size

    250KB

  • MD5

    b371778e0321911f77f1d17beb77f270

  • SHA1

    85eadf87d0bec9ce2be31359b07c5f27fede1200

  • SHA256

    874d85c33785868f3644d4bd6fe46df7a84629ba1e6ee693248d6012605fd56e

  • SHA512

    b8cf79ca2144242ef1958b50231fa75ea024129cb844540e1f0cae0d7b269c70206eeda033f693f4d21e1037b30216ec838fe63b6b989f5e3507d671aa43fe2e

  • SSDEEP

    6144:h1OgDPdkBAFZWjadD4s5+LOiH6rrjNmbRFeUBiF:h1OgLdaO+LLaXjQb7Y

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 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\874d85c33785868f3644d4bd6fe46df7a84629ba1e6ee693248d6012605fd56e.exe
    "C:\Users\Admin\AppData\Local\Temp\874d85c33785868f3644d4bd6fe46df7a84629ba1e6ee693248d6012605fd56e.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2044
    • C:\Users\Admin\AppData\Local\Temp\7zS89E9.tmp\50689213bf083.exe
      .\50689213bf083.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:2028

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\7zS89E9.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    2f40d0669a8d4c6a3f214e7132307ccc

    SHA1

    4f28c9f882a2289c5c62b6e0fe88832ae842daa0

    SHA256

    71789b770e1fa416c2c76d2fb9ced433414cbb6dd7d7d90bc22f96d9b71c88a5

    SHA512

    dea5d84db3aa3ee4d3e73df2d3804bc2a7c6e8dc73ea11669b11af5dbcb938c8e22682020fdb1563826d8db0613091e718975a7484b4b7a099711ac141d0664d

  • C:\Users\Admin\AppData\Local\Temp\7zS89E9.tmp\[email protected]\chrome.manifest

    Filesize

    116B

    MD5

    0b47adc4de9bd815f887ec6bd6169e9d

    SHA1

    a767171718fc03c929fc5eae2a1819b24d907784

    SHA256

    a794cc8c9548111a82e2d4ac114acd44bb47cf01c467e92fd2e5e4afc68b5be2

    SHA512

    dc312c46117b3c70e5cb1b4087aaefadf32f4644f65121458fac36eccc82ad5992ad1e43c3b602ad0d7a13cc699bd242d626b63189e69fb35474412909d5c208

  • C:\Users\Admin\AppData\Local\Temp\7zS89E9.tmp\[email protected]\content\bg.js

    Filesize

    8KB

    MD5

    b87c840df959511ee6d335dcb81287dc

    SHA1

    b8c7f935a252784ffce0df0db1a88cd664749f0f

    SHA256

    d254b0f196cdc8d891c9b160daae62071f87bbe6092a57321fd14666433574be

    SHA512

    b8379f24f5e61ee3b56f2f00c9a9b69ea7b7b49988e88ccdecde67896614e0ea89e4df0e9db0081c0f6e7b1fcbdbd03dceed1ca2b1fa58a52fc67aaca2a602bc

  • C:\Users\Admin\AppData\Local\Temp\7zS89E9.tmp\[email protected]\content\zy.xul

    Filesize

    225B

    MD5

    5aaeaa27be83e6391b5a43e5dedba329

    SHA1

    5d7ab16880b2d3dbfdc1d32b3a454e62e400ba1b

    SHA256

    efec8ef354caac90857b20db0f96ebe18d6129ba5e32215058488c94ab45fa7c

    SHA512

    975abafe07adb1d313e703f119c3b338ccc829fa4c794ff8c28b54baebbb7c977f01cadbc4a2bc1faa95a8685a5d64aaf81faaab931f9f31377eb66525cabb0b

  • C:\Users\Admin\AppData\Local\Temp\7zS89E9.tmp\[email protected]\install.rdf

    Filesize

    717B

    MD5

    69e73880d5489e26aa98d0a9eaf0402e

    SHA1

    94308ebfa824e47d11f07f8a651c02afa8409705

    SHA256

    b74f9ebcd518e73ddeaae1723f35850e75cc693491fe7d36b9de2f492f68883f

    SHA512

    350982c031801db50287d784a340bf9d2d693cdbff070b8600429a5a982dd87775fba521be5d8968e876c7541469edd417a8bc6a95ba291f7e43c13c89da9e5b

  • C:\Users\Admin\AppData\Local\Temp\7zS89E9.tmp\50689213bf083.exe

    Filesize

    65KB

    MD5

    4ccf1a317aa8539c857835e4ebe9c806

    SHA1

    223b73d09d7398f40aff3ccc569e66cae3886ee9

    SHA256

    4529889c5575cd4e28b3691f0489c806442840292a9e459ada4dab3e024cc242

    SHA512

    ecab68799b5a51c7d2a3735a9b3c17ba20a315618aa9575a5b02d5d4535716966031a26982012669f069dbfd8a6ab62f95737b7c402bf680f3a498900f627312

  • C:\Users\Admin\AppData\Local\Temp\7zS89E9.tmp\50689213bf083.exe

    Filesize

    65KB

    MD5

    4ccf1a317aa8539c857835e4ebe9c806

    SHA1

    223b73d09d7398f40aff3ccc569e66cae3886ee9

    SHA256

    4529889c5575cd4e28b3691f0489c806442840292a9e459ada4dab3e024cc242

    SHA512

    ecab68799b5a51c7d2a3735a9b3c17ba20a315618aa9575a5b02d5d4535716966031a26982012669f069dbfd8a6ab62f95737b7c402bf680f3a498900f627312

  • C:\Users\Admin\AppData\Local\Temp\7zS89E9.tmp\50689213bf0bc.ocx

    Filesize

    151KB

    MD5

    c78c6140cb88ef4dc94f999291bb5ab1

    SHA1

    65b47ed5ec889e0e558c79a13a81193fc59b8ce9

    SHA256

    6cfc7fb43715fb13c53ab2a29b68f3a0a0f285c85d1b1443f2c5e73526646851

    SHA512

    ac8865cb1bec889ba493cad3f4c4bac87bfb2fdb15c518626ffa5f8ac6799a6f5c84f358d3e7d35824d6aba29af46c1078acdf30c3bd93981be61312baf6bd26

  • C:\Users\Admin\AppData\Local\Temp\7zS89E9.tmp\50689213bf0f5.html

    Filesize

    4KB

    MD5

    ac60076b2a958289dc55f3c29414088b

    SHA1

    4e22d1564cdc54d9a18fb3b1d4d8d10d50fa8874

    SHA256

    66d62bf9eb06f4f9572ce2e28fc0a0f1bff532ef5a12e6859b293e8bd3c60558

    SHA512

    412639856a00f3abfd30ee693ddcbfee5e6c9933aa8fcae58dae4a1cce8b7da3940d77733356f1ab5af9caf32159a2b288dd8253d04c6b86bc1af73f36401160

  • C:\Users\Admin\AppData\Local\Temp\7zS89E9.tmp\50689213bf12d.js

    Filesize

    9B

    MD5

    99fa5d714d971a49b67de27e0d8871be

    SHA1

    d0621e846ea60fa8d0b2c8e622e495af49cd7359

    SHA256

    f560d76474380da948a0c5ab8682dc026822d9685268c592f315224b1b968bf6

    SHA512

    2fec19e4f2a974227922a7e057890141523ae73fbfa127f9e8cd00dff71b29abb93cb865c6d74ecf3df8bca440c558d4fbf2f80e82cc9636320ab5edb95ebad5

  • C:\Users\Admin\AppData\Local\Temp\7zS89E9.tmp\dhmdagfgioencpbdjbicdjgikifkoikg.crx

    Filesize

    7KB

    MD5

    8db54a383e52e3d978b00caf908646c2

    SHA1

    1a796fed9e2c45c52754b1885096505961da3b93

    SHA256

    dde730db974dd4e109cd7e80662f3235525e69fa2e529523f79bd87cfe166a49

    SHA512

    5319a6c3419ed778ebad82337d693df92ed62a90993723192e6741b54e231bed08d459742bc4fb1c2206b91f5e09d2e3a4aebc164fafc4913f8571b22f5fa71c

  • C:\Users\Admin\AppData\Local\Temp\7zS89E9.tmp\settings.ini

    Filesize

    903B

    MD5

    9eebfab5431b30cbbbc53633851e2a9e

    SHA1

    72cf646721f39348d51e8d82e4031d3a31f961fc

    SHA256

    797000b7169389a219e1f418e3ccc16f6f6c510506e5d2cde1126b144959021d

    SHA512

    f42ff4ef383397fe78804e55f295a01effca3ab432d3619bfff8974db28952e9764773352de15b0b4473b28adb6741ac0387e1365858d68fd18eb6451fd996e0

  • \ProgramData\wxDownload\50689213bf0bc.ocx

    Filesize

    151KB

    MD5

    c78c6140cb88ef4dc94f999291bb5ab1

    SHA1

    65b47ed5ec889e0e558c79a13a81193fc59b8ce9

    SHA256

    6cfc7fb43715fb13c53ab2a29b68f3a0a0f285c85d1b1443f2c5e73526646851

    SHA512

    ac8865cb1bec889ba493cad3f4c4bac87bfb2fdb15c518626ffa5f8ac6799a6f5c84f358d3e7d35824d6aba29af46c1078acdf30c3bd93981be61312baf6bd26

  • \ProgramData\wxDownload\uninstall.exe

    Filesize

    48KB

    MD5

    a724dac649142fef71fe4b529684e969

    SHA1

    e2878e84886ec53a1332ad969a825062526b5cd4

    SHA256

    b58c58b5073034d74c5d93902bbb9d402be063e907bdf77115b55bbb99af21dc

    SHA512

    9f475ad52fa2b7f82e74df87c02e42f937b5e3b62773b7d51cb53facfcc8b4934ad3c2fc21496cfabaa4dd103a309ed5cccad1ad3d6037f6c4f3a540e3e9d5b3

  • \Users\Admin\AppData\Local\Temp\7zS89E9.tmp\50689213bf083.exe

    Filesize

    65KB

    MD5

    4ccf1a317aa8539c857835e4ebe9c806

    SHA1

    223b73d09d7398f40aff3ccc569e66cae3886ee9

    SHA256

    4529889c5575cd4e28b3691f0489c806442840292a9e459ada4dab3e024cc242

    SHA512

    ecab68799b5a51c7d2a3735a9b3c17ba20a315618aa9575a5b02d5d4535716966031a26982012669f069dbfd8a6ab62f95737b7c402bf680f3a498900f627312

  • \Users\Admin\AppData\Local\Temp\nso8AF3.tmp\UserInfo.dll

    Filesize

    4KB

    MD5

    7579ade7ae1747a31960a228ce02e666

    SHA1

    8ec8571a296737e819dcf86353a43fcf8ec63351

    SHA256

    564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

    SHA512

    a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

  • memory/2044-54-0x0000000075511000-0x0000000075513000-memory.dmp

    Filesize

    8KB