Analysis

  • max time kernel
    14s
  • max time network
    35s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    05/12/2022, 17:32

General

  • Target

    831dfdbf5bab95def114995957796965e186fcd651bd0b259cb4651e24be36f6.exe

  • Size

    257KB

  • MD5

    b0a08069efe6817df30810e2bc9bcf92

  • SHA1

    8ffcd0316ebf8d1d7b080ca0f3c672f27df9e809

  • SHA256

    831dfdbf5bab95def114995957796965e186fcd651bd0b259cb4651e24be36f6

  • SHA512

    72114bbd6fccd691736b90d262b0309e169b72a90a24b325eedf08b445882c2970070181a634cdbe2fe6e3760ca0e2a36d9ba45cd83d4292f595926ec3e80830

  • SSDEEP

    6144:91OgDPdkBAFZWjadD4sY6/kZa7IjPlxl36R9uJMt:91OgLdaz6/kUMjPrIuJS

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 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 12 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\831dfdbf5bab95def114995957796965e186fcd651bd0b259cb4651e24be36f6.exe
    "C:\Users\Admin\AppData\Local\Temp\831dfdbf5bab95def114995957796965e186fcd651bd0b259cb4651e24be36f6.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1712
    • C:\Users\Admin\AppData\Local\Temp\7zSB2AD.tmp\setup.exe
      .\setup.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:1976

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\7zSB2AD.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    0dafac2a02165e03e3eb4882dcd790ef

    SHA1

    ccf62e938311de4502031a318a188182203d9e53

    SHA256

    d5b131968196a9c814116603e70ee91588a5328a8fb7f504020bf78e6c6395a2

    SHA512

    58005288f80abd6d0b95bfa0a768b21fbde49a87031fcff230ee5edd5b352946bd1483946257d3eddf7ace42735dc65e207b57b5fd33070061f41815f51695d3

  • C:\Users\Admin\AppData\Local\Temp\7zSB2AD.tmp\[email protected]\chrome.manifest

    Filesize

    116B

    MD5

    02928c00a6e14f16c9c9c2b30f445ac9

    SHA1

    09abaea18828b0bf62e03d5fd064a8ba1372d01b

    SHA256

    cb241a882ac9ba940fd50ee05b9305dc29f8723cc3c9a4cdbc3e8292c5834dde

    SHA512

    e415e0576359196609df16b762f85fd242711827e1b18e97af9bfbd96ee274876de55e916d8562d1f9dc9ecdc0092379adf9b622ca3496256d0b93e2525d95e6

  • C:\Users\Admin\AppData\Local\Temp\7zSB2AD.tmp\[email protected]\content\bg.js

    Filesize

    8KB

    MD5

    d0fc0bc8ff9101bb5fcd69b09a91cde4

    SHA1

    157a56f95ae00d0532f0f906b306eeb2dac56b48

    SHA256

    8babecc1fb2760b7997b62571b2903eae397f186a5077ace813e7186d952273c

    SHA512

    d0356b3c71b19551d8012cf7ffe185c388351a57f64cf56a6f5e9acd3d7bec21b048a1851fc1b25c2a9e1be0971c99650049e30d50817b96d931d7f67cf42cc7

  • C:\Users\Admin\AppData\Local\Temp\7zSB2AD.tmp\[email protected]\content\zy.xul

    Filesize

    225B

    MD5

    1def99d326b7d16502f3651dfeaf3cbc

    SHA1

    40f6b3fa80bdfa112f6cee2861f4a6743e0e02ef

    SHA256

    7b2556fa9e22962dc34f6710e8651ee7b49fccb8b34b9545236d8f443e4502cb

    SHA512

    b5a7dcda49bb126879ba53c917376d92ca13ce41b3be2dec6cbc25a7e0b1d1a1cca0f23a045c0333063a2165654ccfe9fcf6893f87e54ab7bba8976e424bf77a

  • C:\Users\Admin\AppData\Local\Temp\7zSB2AD.tmp\[email protected]\install.rdf

    Filesize

    715B

    MD5

    274933a3196db17693f446bd03975c9d

    SHA1

    fc7b9307c7500e1c80c3bb95b8fb9dceb8d29824

    SHA256

    cc12d7db1b32304abea7a9483b0d118ba3c29a1f3b606f037688569036e8aeb6

    SHA512

    0e11d15e8986fe6279e086eeaf280661f5f07d95934103ff5e0103df24657ede36fe31285a40a54595d88c820df3c8993e199f83d4671bca69b13e3b6b088cc0

  • C:\Users\Admin\AppData\Local\Temp\7zSB2AD.tmp\background.html

    Filesize

    4KB

    MD5

    973f601f5b17527ea79a6a31547a52db

    SHA1

    c2c903092acb6372c43674658a44eb713344dd36

    SHA256

    fa74af3b9f4c3cebd252509344a5dd8e399a21993a92702b36b3ec6048a8b4dc

    SHA512

    998102c31d98d555a37b2799fd75500b42ff1d0f9876732656ebac6741c5bd5ed0f68efa58d57aa20dfdcdc6440eaf40ee19ee3b3c4c667f292454d0b4e11aee

  • C:\Users\Admin\AppData\Local\Temp\7zSB2AD.tmp\bfhgbipmepnkiefooffimkedbhfedbmm.crx

    Filesize

    3KB

    MD5

    aca410cedbf3596342f9b507d3e6f476

    SHA1

    1bb46fa3bebd6527748ab0006430e703aa1186f6

    SHA256

    c74aca17be6ee7a91fd6b4fde6bcbbe8ae7b7751f85391c264edd9f4e9446d79

    SHA512

    83acfbb97a3dcc3cbc45c35da11cfd5ac681aa05cf9b2fdf8bcdaf943d681a26cf295dec200ffddaf867f26070b4069ddc00899968ec4912ff80935f48c462ff

  • C:\Users\Admin\AppData\Local\Temp\7zSB2AD.tmp\bhoclass.dll

    Filesize

    164KB

    MD5

    474a025909c75c607905b9e2cae8a56f

    SHA1

    83ed7383c8aa53c6134a2b0a701b7b272c5c7c1e

    SHA256

    25ab733f417a9def519ff2443f38cff31baa02743cac803f53f662c875b9be5f

    SHA512

    29d14b6143a45c76904beb6d7ba2d8020f13cd407c66d6eed8825b9e722138f11945a3747988beda0f5bf33acbcb3fcdf8a411a2fc9b07fe501938dc590d03f1

  • C:\Users\Admin\AppData\Local\Temp\7zSB2AD.tmp\content.js

    Filesize

    388B

    MD5

    6f728c11b6234602a6d4912b23fcadc2

    SHA1

    c26d68899feb5a30c3609a54d6abb0d7215bd54e

    SHA256

    95f052fb2d93c3639fc369e40bb9cca2034b95599b1d7ce48d6942e15bfa6ea3

    SHA512

    d630db540b3345934bcee53a36e624846172e1102271ec2a2c3bbd7f99ff3b45d3f07e7b83ab70434dc584c1d8f712a56262263a982e9f34865462900c0d2e5b

  • C:\Users\Admin\AppData\Local\Temp\7zSB2AD.tmp\settings.ini

    Filesize

    911B

    MD5

    4e0b489f95f25137c370033227485c50

    SHA1

    678b8f7b5fa4f836777c7f9bbdae9e9fd2f75569

    SHA256

    b0264a5bbee0997a0065e9a429020d8e8d965f97394ee0828582b93b69346285

    SHA512

    ef94b7ee36b6abf76ab605b7200c87621858c2412baabc7908b5f0388c2dc4df722e6b43925a97fb59be7b987ab120b08fc2e602a5a23b4f2253a7767e6897cf

  • C:\Users\Admin\AppData\Local\Temp\7zSB2AD.tmp\setup.exe

    Filesize

    65KB

    MD5

    4ccf1a317aa8539c857835e4ebe9c806

    SHA1

    223b73d09d7398f40aff3ccc569e66cae3886ee9

    SHA256

    4529889c5575cd4e28b3691f0489c806442840292a9e459ada4dab3e024cc242

    SHA512

    ecab68799b5a51c7d2a3735a9b3c17ba20a315618aa9575a5b02d5d4535716966031a26982012669f069dbfd8a6ab62f95737b7c402bf680f3a498900f627312

  • C:\Users\Admin\AppData\Local\Temp\7zSB2AD.tmp\setup.exe

    Filesize

    65KB

    MD5

    4ccf1a317aa8539c857835e4ebe9c806

    SHA1

    223b73d09d7398f40aff3ccc569e66cae3886ee9

    SHA256

    4529889c5575cd4e28b3691f0489c806442840292a9e459ada4dab3e024cc242

    SHA512

    ecab68799b5a51c7d2a3735a9b3c17ba20a315618aa9575a5b02d5d4535716966031a26982012669f069dbfd8a6ab62f95737b7c402bf680f3a498900f627312

  • \ProgramData\MyToolsApp\bhoclass.dll

    Filesize

    164KB

    MD5

    474a025909c75c607905b9e2cae8a56f

    SHA1

    83ed7383c8aa53c6134a2b0a701b7b272c5c7c1e

    SHA256

    25ab733f417a9def519ff2443f38cff31baa02743cac803f53f662c875b9be5f

    SHA512

    29d14b6143a45c76904beb6d7ba2d8020f13cd407c66d6eed8825b9e722138f11945a3747988beda0f5bf33acbcb3fcdf8a411a2fc9b07fe501938dc590d03f1

  • \ProgramData\MyToolsApp\uninstall.exe

    Filesize

    48KB

    MD5

    a724dac649142fef71fe4b529684e969

    SHA1

    e2878e84886ec53a1332ad969a825062526b5cd4

    SHA256

    b58c58b5073034d74c5d93902bbb9d402be063e907bdf77115b55bbb99af21dc

    SHA512

    9f475ad52fa2b7f82e74df87c02e42f937b5e3b62773b7d51cb53facfcc8b4934ad3c2fc21496cfabaa4dd103a309ed5cccad1ad3d6037f6c4f3a540e3e9d5b3

  • \Users\Admin\AppData\Local\Temp\7zSB2AD.tmp\setup.exe

    Filesize

    65KB

    MD5

    4ccf1a317aa8539c857835e4ebe9c806

    SHA1

    223b73d09d7398f40aff3ccc569e66cae3886ee9

    SHA256

    4529889c5575cd4e28b3691f0489c806442840292a9e459ada4dab3e024cc242

    SHA512

    ecab68799b5a51c7d2a3735a9b3c17ba20a315618aa9575a5b02d5d4535716966031a26982012669f069dbfd8a6ab62f95737b7c402bf680f3a498900f627312

  • \Users\Admin\AppData\Local\Temp\7zSB2AD.tmp\setup.exe

    Filesize

    65KB

    MD5

    4ccf1a317aa8539c857835e4ebe9c806

    SHA1

    223b73d09d7398f40aff3ccc569e66cae3886ee9

    SHA256

    4529889c5575cd4e28b3691f0489c806442840292a9e459ada4dab3e024cc242

    SHA512

    ecab68799b5a51c7d2a3735a9b3c17ba20a315618aa9575a5b02d5d4535716966031a26982012669f069dbfd8a6ab62f95737b7c402bf680f3a498900f627312

  • \Users\Admin\AppData\Local\Temp\7zSB2AD.tmp\setup.exe

    Filesize

    65KB

    MD5

    4ccf1a317aa8539c857835e4ebe9c806

    SHA1

    223b73d09d7398f40aff3ccc569e66cae3886ee9

    SHA256

    4529889c5575cd4e28b3691f0489c806442840292a9e459ada4dab3e024cc242

    SHA512

    ecab68799b5a51c7d2a3735a9b3c17ba20a315618aa9575a5b02d5d4535716966031a26982012669f069dbfd8a6ab62f95737b7c402bf680f3a498900f627312

  • \Users\Admin\AppData\Local\Temp\nsjB7EC.tmp\UserInfo.dll

    Filesize

    4KB

    MD5

    7579ade7ae1747a31960a228ce02e666

    SHA1

    8ec8571a296737e819dcf86353a43fcf8ec63351

    SHA256

    564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

    SHA512

    a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

  • memory/1712-54-0x00000000760C1000-0x00000000760C3000-memory.dmp

    Filesize

    8KB