Analysis

  • max time kernel
    144s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/12/2023, 00:40

General

  • Target

    1d947f6b7b93ac87cd206b87a098f6a1.exe

  • Size

    496KB

  • MD5

    1d947f6b7b93ac87cd206b87a098f6a1

  • SHA1

    abdfd1c7522f324b0aacf7c5fc953393b23af9d4

  • SHA256

    3a14858f2cf0558217d55aae52602924a732e4dfcc02b6c857e10c02108bf6b1

  • SHA512

    2749b9d3a830fd7efe50dc2bb8dca512385ea595e0d2a9a32c03d7615d3b2619ed4a70389fd3d540e6e8b0a5e7bf3271475bc708f86f7a283602cec6b3497b2c

  • SSDEEP

    6144:91OgDPdkBAFZWjadD4s+xc0X+zWA7VNGS+xydaayHAsf/3dsTTye5DKRKUgJdnvD:91OgLdaNBfSwyIdHxf/3yhDKRyJdnvFR

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 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).

  • NSIS installer 4 IoCs
  • Modifies registry class 63 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1d947f6b7b93ac87cd206b87a098f6a1.exe
    "C:\Users\Admin\AppData\Local\Temp\1d947f6b7b93ac87cd206b87a098f6a1.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2904
    • C:\Users\Admin\AppData\Local\Temp\7zS4602.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:3100

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\wxDfast\uninstall.exe

    Filesize

    46KB

    MD5

    2628f4240552cc3b2ba04ee51078ae0c

    SHA1

    5b0cca662149240d1fd4354beac1338e97e334ea

    SHA256

    03c965d0bd9827a978ef4080139533573aa800c9803599c0ce91da48506ad8f6

    SHA512

    6ecfcc97126373e82f1edab47020979d7706fc2be39ca792e8f30595133cd762cd4a65a246bee9180713e40e61efa373ecfb5eb72501ee18b38f13e32e61793b

  • C:\Users\Admin\AppData\Local\Temp\7zS4602.tmp\[email protected]\chrome.manifest

    Filesize

    114B

    MD5

    1dd36a3bcf58335de3c4190a89a31ab3

    SHA1

    99e956f2d9e8613b8f4cc86e1262fcd3d9fec868

    SHA256

    3902eee25d01ea8b3c3490677966da2a64f5687ef483b65eb8b405847f296d5f

    SHA512

    b95891d7d25630c62bccd7975883fa820ef734ef6ba270da7ed5ea142f3d1af7e10e451cffe6889512853d77e0b99a915e1176be7af2916e9df1f321d37e028a

  • C:\Users\Admin\AppData\Local\Temp\7zS4602.tmp\[email protected]\content\indexeddb.js

    Filesize

    1KB

    MD5

    b336f249634dd3da9f822c15c65d3da2

    SHA1

    3c2e607d530660380a18d4c25e32a14b4631d963

    SHA256

    40765a376828863f6348eca9d16063101035fa0b4718c6586e6294155339e313

    SHA512

    be048e3a787fddf8c233a2624cd7fa11ccc9be14dbc7ac454f9acb134d2cb16a868c956cfbb0e0ca10394a5a60afdf7cdded52031ca09c90de25fc4536687213

  • C:\Users\Admin\AppData\Local\Temp\7zS4602.tmp\[email protected]\content\jquery.js

    Filesize

    91KB

    MD5

    4bab8348a52d17428f684ad1ec3a427e

    SHA1

    56c912a8c8561070aee7b9808c5f3b2abec40063

    SHA256

    3739b485ac39b157caa066b883e4d9d3f74c50beff0b86cd8a24ce407b179a23

    SHA512

    a693069c66d8316d73a3c01ed9e6a4553c9b92d98b294f0e170cc9f9f5502c814255f5f92b93aeb07e0d6fe4613f9a1d511e1bfd965634f04e6cf18f191a7480

  • C:\Users\Admin\AppData\Local\Temp\7zS4602.tmp\[email protected]\content\jsext.js

    Filesize

    6KB

    MD5

    85455add62973e9ff8d3852c702ea53e

    SHA1

    17ba201c7764170f3156a1d14c6f2c4ecc65ff2f

    SHA256

    fcafda6e26aea94a6390dd3ef67f5f5a274f3283680d66713bca6bcd2421f998

    SHA512

    59fe95b208069b046caaa6a2343301650c095d95bf44ba508fbafb283744f56edc69c378ab2cb4d4508eda7d564dd245248553abf4f84154f0f2a7a0530a4f30

  • C:\Users\Admin\AppData\Local\Temp\7zS4602.tmp\[email protected]\content\lsdb.js

    Filesize

    1KB

    MD5

    426f7e1a7427fa362fe968d07b5c1b87

    SHA1

    e1f8db32c4bfcebb271bd69ac0fb682d6cd1a2e2

    SHA256

    293622c11684e0126f9a919df4db2bb4e529f28e08287b37bfefd07900ac9730

    SHA512

    a73e3d130f07c2dd7427a63679f88b6d4e9c8af43f0b4918e5813b22d119aa7b306340d9245a7f858eeb6e0ea651405fba2f18cb6694690dd3053d3caafe0561

  • C:\Users\Admin\AppData\Local\Temp\7zS4602.tmp\[email protected]\content\prfdb.js

    Filesize

    1KB

    MD5

    4994671cf15bb8499dff06826504da04

    SHA1

    bc03b4d818458236016a8f71da56393f226b4220

    SHA256

    a9582c9a471356dda6f8445eb23e42f26e60dcae0f7ca3db8d7329140d6279b6

    SHA512

    99027a1f56342b009c6997f28be1eb7055fe15ca76e19174a58d8e8d54132ea2e24fbfbeb87a9859f28861a26ba43e12e56e1358b369e9b7f8d0870ffcd8cfed

  • C:\Users\Admin\AppData\Local\Temp\7zS4602.tmp\[email protected]\content\sqlite.js

    Filesize

    1KB

    MD5

    310bfe23adcc2afbc58cd0ca59fd6074

    SHA1

    cfe71d20eb9202b4049d5caf08b6b6a427a46998

    SHA256

    a77171343054f052c2e708e52659f3ab3e4541e3acdd6a10fcc166590d40d204

    SHA512

    cbf477632e565d7e3ae9fffc96b5a42fab3d3614a85c3784ee2adcd43d1554407d9f1faaf6fe6cc5885db10f16d26e3ceac917a1aba6826d401f07c031265544

  • C:\Users\Admin\AppData\Local\Temp\7zS4602.tmp\[email protected]\content\wx.xul

    Filesize

    228B

    MD5

    4fcc60b2d7ece84209652e65a30e74bd

    SHA1

    849131b5542d64006278c5113351dc786b9692f6

    SHA256

    23c91c4ebaf0db1d7609c0be4bdc83a6c5a64593c2b7680536b0e4abdfcd8ffa

    SHA512

    49d3e898bd46b0cf8b44a4e3d79465dd02ac40797815c2c149c2b6149e9d7754e883bfdbf6d2f55237b2ccefebfa0187bee689d4e66672af575901459abbd403

  • C:\Users\Admin\AppData\Local\Temp\7zS4602.tmp\[email protected]\install.rdf

    Filesize

    677B

    MD5

    61b2562fb847b5263bdadb98db7010d6

    SHA1

    a9a4adac253df629096227ed9dcf8632baba8368

    SHA256

    40850191d8eb4ffcc03fd15166475bf6a0ec673979a942a73ff99570bb56996e

    SHA512

    7342f793d0e35be1fc5a50d4a6c0906265e34ec5ab0aa962958d9becce0f5c8419837746714049f384fc5b5cfd258c82602b5b38fe5927f562e7215654caff65

  • C:\Users\Admin\AppData\Local\Temp\7zS4602.tmp\background.html

    Filesize

    5KB

    MD5

    cb8b42c041a140ce52709af9565801a7

    SHA1

    1bcdb87c21bd0ccc10788e14ed581d7390f782c1

    SHA256

    354e945e40565702f21cbe5a23048a34bce61f54f14214e80d83b8d0cf5b5dda

    SHA512

    939981060cc5818c7cd0f7a4b7c6090bdfc230c680b851d9055724377a496e3255f469667e4265cc653100e88f781b166bf71eb29738592dda02a9062bc25f45

  • C:\Users\Admin\AppData\Local\Temp\7zS4602.tmp\bhoclass.dll

    Filesize

    521KB

    MD5

    489fc1a1f5dce2adc842b4a68e67f0cb

    SHA1

    e73fb5755f4bc109e08f4c3c286438a0dbd02084

    SHA256

    24833c00ddea6a060d5b398c5667c200cb957e37269d1fc90b6b1eb5e3130f7a

    SHA512

    ba3d7773466d0ed856afa09c76b9266f4454e268bc2f67ccf903a85fe4986b9886d5a1210aa1c561da3bf69956ffe5a1357154f637ed952b73060f794b215104

  • C:\Users\Admin\AppData\Local\Temp\7zS4602.tmp\content.js

    Filesize

    387B

    MD5

    c793b610d756a3b0a1666eba7eef8d8c

    SHA1

    9ca08be81977a3917472d711dfb71e07ccf37101

    SHA256

    179dbe3189cdf0b56873e0c8d5c216cc9c677c915f6d962b69bbd9b8cbd0dd02

    SHA512

    38683a2998fbf0003f75b72dacff1725f254c7ad328c966a34b237cab5b2a147c204faf6012b3ef76e5e6b31eb5602da9ab7baee5eed3062157a69275612e6d3

  • C:\Users\Admin\AppData\Local\Temp\7zS4602.tmp\khhdnkfmaaheepmmifacaejnfkggfbkj.crx

    Filesize

    37KB

    MD5

    c7ea67b5fc95297df9c25451f25988ea

    SHA1

    0ba799e66fad9653e3dd169e825259f57088e7d0

    SHA256

    b7de2da155908bb5f4e5699c45546cc22242167ea9cb6c56af1db53d713a24eb

    SHA512

    3801e0fdf6052d291297e9baa6527db7aa3d4a58c509fb6089cc7f858b6730467a3b9b0281de68b7d7a5cc039a7d110e1e61b2eebd2b2274735a8b5965fd52ee

  • C:\Users\Admin\AppData\Local\Temp\7zS4602.tmp\settings.ini

    Filesize

    599B

    MD5

    63e5bb9d11b91e63aafb2e277ab6eb8b

    SHA1

    735457d7a8a5f631fcc3b5016bd69221e0630691

    SHA256

    20903d57203fd9141bdd7d0fb4b0c9104add87c389936938b9a27f2c2aa88fdc

    SHA512

    898eed0fd5f5a4cfe266ef3e124bf033660ea856a189fbd63dccc6098b954dec587a2d7ac9e9fe2f50765090b3111f505cca60c98de6a855798cbcf562058df3

  • C:\Users\Admin\AppData\Local\Temp\7zS4602.tmp\setup.exe

    Filesize

    61KB

    MD5

    201d2311011ffdf6c762fd46cdeb52ab

    SHA1

    65c474ca42a337745e288be0e21f43ceaafd5efe

    SHA256

    15c0e4fd6091cda70fa308ea5ee956996f6eb23d24e44700bd5c74bf111cf2aa

    SHA512

    235d70114f391d9e7a319d94bdfc49665d147723379de7487ef76cfc968f7faa3191153b32ba1ab466caeeeeef4852381529a168c3acca9a8d5a26dfe0436f6b