Analysis

  • max time kernel
    45s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    29/11/2022, 10:55

General

  • Target

    e12152ebacad38574a9650e443c07f09ed4521051c53fb2c4e069369d781150d.exe

  • Size

    257KB

  • MD5

    d85bd03419b896af28788309bb688179

  • SHA1

    cd2e794fcbcc9f6d850c2eddff8dbaa9d4978924

  • SHA256

    e12152ebacad38574a9650e443c07f09ed4521051c53fb2c4e069369d781150d

  • SHA512

    8100f92ad41b9aeb96c64276fef096f68d21733012702afc9a5ae7bd128d7555564c66915f25d7f6fa0755be39ca948477efebab1229bd43b33133326e22110b

  • SSDEEP

    6144:91OgDPdkBAFZWjadD4s7Qufb+pqdNdQNsu0Unr:91OgLda6nfb+YdzQf

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\e12152ebacad38574a9650e443c07f09ed4521051c53fb2c4e069369d781150d.exe
    "C:\Users\Admin\AppData\Local\Temp\e12152ebacad38574a9650e443c07f09ed4521051c53fb2c4e069369d781150d.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1456
    • C:\Users\Admin\AppData\Local\Temp\7zS3718.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:1516

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\7zS3718.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    e16c50c73ad0c26bbd7593f325288ea8

    SHA1

    283626b095dbfd2fa285cc8ddcc104ce994a5a62

    SHA256

    bba9d13c3738ea9a3541dc9cd59950f0ebac4e73380a7ef0e9a42228346c3d62

    SHA512

    ac53acc63bdd53ee79648029fde8f00ce982d591de6d98a92303da495af797e9ea8818e2d5e9aed695bc72cd7741366ae992550b1b12db809252acd1729a6b8a

  • C:\Users\Admin\AppData\Local\Temp\7zS3718.tmp\[email protected]\chrome.manifest

    Filesize

    116B

    MD5

    47365bf22e791efcdb722904f370a399

    SHA1

    73a3a61885bb0164a5d922e1b6cbf0dbba7106fd

    SHA256

    2d5bfc4ebaac952346a1693ed76888e62ad76ac0afd6cfc544ed885e52ff1ce6

    SHA512

    0220f513f182cd2e88cbd62b5f2733ff13b11dd083b2cad73719346e99cff60fb99c42cb6ecf27397cf6c34727dc6c8391c44ada5df2e8fc8ad64473b2211479

  • C:\Users\Admin\AppData\Local\Temp\7zS3718.tmp\[email protected]\content\bg.js

    Filesize

    8KB

    MD5

    f10eec1713f8b8bb1427df8a552c905b

    SHA1

    fd9c074f47fb4027c37c8f4f37096ac2976b2e6c

    SHA256

    6fbc57ed0914281c80cd96d2c555b75e9a13a2c7bc23bd013af61d3dd2738797

    SHA512

    3598d0a2b941d211b70815b7f64e6016879d1ce3a66eb1b2d27a612c7e3115284027cc0a7cb498ff320f61b192ab5309e0b3f9dbdb5509b3a572a510c19d20b5

  • C:\Users\Admin\AppData\Local\Temp\7zS3718.tmp\[email protected]\content\zy.xul

    Filesize

    225B

    MD5

    6d7338af274b10758c4b0cc434e45780

    SHA1

    742fa9b6691e5f8b9303bba65d47a378416a6a34

    SHA256

    aeb1a2db240f4afdc956472d4a318f79bb0ba9eeb86dfbc55e9eed668fe13661

    SHA512

    e098f41af935bb420f11432611e0974b48ffa0a904d9f5492ff573f8732264f1462d320515771c246c634dc8dfc4053d8f892c76cb3f0772e6418ef4d6123a28

  • C:\Users\Admin\AppData\Local\Temp\7zS3718.tmp\[email protected]\install.rdf

    Filesize

    720B

    MD5

    fee306ae883ffec4833b3d02b0b732f3

    SHA1

    30a445b4f3b69ac85bf618dd6623d08e842b3b0e

    SHA256

    ef453daa3f93fc2abc9103ecbcc02375316a69d77fb7388dc88f31786d08f453

    SHA512

    3c6469c1205a3ace55a7d631452863f7c2ab1cc3db225f85f8bf94460aa09a85f45f6bbfc40232f9d2683df6336d057401aecaf385d8e8c269b4b19f90c2fc1d

  • C:\Users\Admin\AppData\Local\Temp\7zS3718.tmp\background.html

    Filesize

    4KB

    MD5

    05eba30737a8d29d0955685d82ddd20e

    SHA1

    0080bda13b8fa3f92341ab987df730b40e38afff

    SHA256

    fd10218e9e498ea00566b16305230a630f93833ef184ed60675d6641bdb43ee1

    SHA512

    4aaad9889fa421b6f838518b6d2d65b24441c6db72137db64f6ab3a61e1f6928414623e010a6fe85e40de9be667c8a7a27f465a5258a362a60fd09ac1e2fce3d

  • C:\Users\Admin\AppData\Local\Temp\7zS3718.tmp\bhoclass.dll

    Filesize

    164KB

    MD5

    474a025909c75c607905b9e2cae8a56f

    SHA1

    83ed7383c8aa53c6134a2b0a701b7b272c5c7c1e

    SHA256

    25ab733f417a9def519ff2443f38cff31baa02743cac803f53f662c875b9be5f

    SHA512

    29d14b6143a45c76904beb6d7ba2d8020f13cd407c66d6eed8825b9e722138f11945a3747988beda0f5bf33acbcb3fcdf8a411a2fc9b07fe501938dc590d03f1

  • C:\Users\Admin\AppData\Local\Temp\7zS3718.tmp\content.js

    Filesize

    387B

    MD5

    f2e70344591a16aa2e6061b71464fcc8

    SHA1

    e0f31f3ac21990fe01354d2a562b5ed4e5c0bc46

    SHA256

    8df7fed88c3db64da78ee7ceccef33e08089061937fc46c0564e065d433c53d2

    SHA512

    b68bad61c1a48d95642890ed26d8cc9aa59a3cf8b85271592b591f15c5074ec3ffaa16ced396d11922d8c52bbdbaed42919d5eca30484e40edbcef04f8220050

  • C:\Users\Admin\AppData\Local\Temp\7zS3718.tmp\nnbcmhfnofaicbnaimbafmofcgnaniji.crx

    Filesize

    3KB

    MD5

    d2719977ec6e6af47762cf36c82583c4

    SHA1

    e3a483f22efc69b21f706e082b3aa8fbf18ec0f6

    SHA256

    70ca810d92bcfe1a5664ec7348fd1e206e01560c99edc1cd222cf89ae00fde0b

    SHA512

    8319fb2ad9cc208822a20a45483c185a8cd1e1f11549c2b487042956408c5c2a51c4345e553019ece24205508871fd4b8ea70540e57c4cb07d5f92502b46c3b2

  • C:\Users\Admin\AppData\Local\Temp\7zS3718.tmp\settings.ini

    Filesize

    926B

    MD5

    18e089142aae71a2907ba04f5c313344

    SHA1

    f628c3e8f34e2370585e7175e7cd8f761fc96cdb

    SHA256

    4f2f3350bca2670e19d39b475d8ef69194b3602a5b9e18564b0652d9081e503a

    SHA512

    1274ded4cb668264817a318861cc7e5033b0ddb3c1b305fa57bca22a04ca037141a180930c99971f4c818503adce42483c9654946d9080ba374d78a7220db985

  • C:\Users\Admin\AppData\Local\Temp\7zS3718.tmp\setup.exe

    Filesize

    65KB

    MD5

    4ccf1a317aa8539c857835e4ebe9c806

    SHA1

    223b73d09d7398f40aff3ccc569e66cae3886ee9

    SHA256

    4529889c5575cd4e28b3691f0489c806442840292a9e459ada4dab3e024cc242

    SHA512

    ecab68799b5a51c7d2a3735a9b3c17ba20a315618aa9575a5b02d5d4535716966031a26982012669f069dbfd8a6ab62f95737b7c402bf680f3a498900f627312

  • C:\Users\Admin\AppData\Local\Temp\7zS3718.tmp\setup.exe

    Filesize

    65KB

    MD5

    4ccf1a317aa8539c857835e4ebe9c806

    SHA1

    223b73d09d7398f40aff3ccc569e66cae3886ee9

    SHA256

    4529889c5575cd4e28b3691f0489c806442840292a9e459ada4dab3e024cc242

    SHA512

    ecab68799b5a51c7d2a3735a9b3c17ba20a315618aa9575a5b02d5d4535716966031a26982012669f069dbfd8a6ab62f95737b7c402bf680f3a498900f627312

  • \ProgramData\DownloadnSave\bhoclass.dll

    Filesize

    164KB

    MD5

    474a025909c75c607905b9e2cae8a56f

    SHA1

    83ed7383c8aa53c6134a2b0a701b7b272c5c7c1e

    SHA256

    25ab733f417a9def519ff2443f38cff31baa02743cac803f53f662c875b9be5f

    SHA512

    29d14b6143a45c76904beb6d7ba2d8020f13cd407c66d6eed8825b9e722138f11945a3747988beda0f5bf33acbcb3fcdf8a411a2fc9b07fe501938dc590d03f1

  • \ProgramData\DownloadnSave\uninstall.exe

    Filesize

    48KB

    MD5

    a724dac649142fef71fe4b529684e969

    SHA1

    e2878e84886ec53a1332ad969a825062526b5cd4

    SHA256

    b58c58b5073034d74c5d93902bbb9d402be063e907bdf77115b55bbb99af21dc

    SHA512

    9f475ad52fa2b7f82e74df87c02e42f937b5e3b62773b7d51cb53facfcc8b4934ad3c2fc21496cfabaa4dd103a309ed5cccad1ad3d6037f6c4f3a540e3e9d5b3

  • \Users\Admin\AppData\Local\Temp\7zS3718.tmp\setup.exe

    Filesize

    65KB

    MD5

    4ccf1a317aa8539c857835e4ebe9c806

    SHA1

    223b73d09d7398f40aff3ccc569e66cae3886ee9

    SHA256

    4529889c5575cd4e28b3691f0489c806442840292a9e459ada4dab3e024cc242

    SHA512

    ecab68799b5a51c7d2a3735a9b3c17ba20a315618aa9575a5b02d5d4535716966031a26982012669f069dbfd8a6ab62f95737b7c402bf680f3a498900f627312

  • \Users\Admin\AppData\Local\Temp\7zS3718.tmp\setup.exe

    Filesize

    65KB

    MD5

    4ccf1a317aa8539c857835e4ebe9c806

    SHA1

    223b73d09d7398f40aff3ccc569e66cae3886ee9

    SHA256

    4529889c5575cd4e28b3691f0489c806442840292a9e459ada4dab3e024cc242

    SHA512

    ecab68799b5a51c7d2a3735a9b3c17ba20a315618aa9575a5b02d5d4535716966031a26982012669f069dbfd8a6ab62f95737b7c402bf680f3a498900f627312

  • \Users\Admin\AppData\Local\Temp\7zS3718.tmp\setup.exe

    Filesize

    65KB

    MD5

    4ccf1a317aa8539c857835e4ebe9c806

    SHA1

    223b73d09d7398f40aff3ccc569e66cae3886ee9

    SHA256

    4529889c5575cd4e28b3691f0489c806442840292a9e459ada4dab3e024cc242

    SHA512

    ecab68799b5a51c7d2a3735a9b3c17ba20a315618aa9575a5b02d5d4535716966031a26982012669f069dbfd8a6ab62f95737b7c402bf680f3a498900f627312

  • \Users\Admin\AppData\Local\Temp\nst391C.tmp\UserInfo.dll

    Filesize

    4KB

    MD5

    7579ade7ae1747a31960a228ce02e666

    SHA1

    8ec8571a296737e819dcf86353a43fcf8ec63351

    SHA256

    564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

    SHA512

    a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

  • memory/1456-54-0x0000000075B51000-0x0000000075B53000-memory.dmp

    Filesize

    8KB