Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    19-07-2024 22:11

General

  • Target

    b4ec9be8e93dd3f6f48db661592ad6a96ffde8827a7a30362eec06232d9b8da5.exe

  • Size

    4.0MB

  • MD5

    627914078afb6e8601c91fc8552887bc

  • SHA1

    7e149639e304024e895b2ce7a35a1626abf084f2

  • SHA256

    b4ec9be8e93dd3f6f48db661592ad6a96ffde8827a7a30362eec06232d9b8da5

  • SHA512

    52dd6dcfc9d70c8d4fa47c589fc54d939277bcf2fc1989efb8830384b2bce2ebca4ad28c347e2339783f4c4d86edbade9c4a5d3487daa885310db5d7f61883b8

  • SSDEEP

    49152:o0C8/tCdsXPZzy5ljatKM4ct5BzvX0bkUF5SQ2CgAY2AMrwZP4rDGjM+osrJJ+X:XMs/ZWfJMp/dMbXbSHAnAMrwsGQ+NA

Score
9/10

Malware Config

Signatures

  • Renames multiple (6775) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Drops desktop.ini file(s) 12 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b4ec9be8e93dd3f6f48db661592ad6a96ffde8827a7a30362eec06232d9b8da5.exe
    "C:\Users\Admin\AppData\Local\Temp\b4ec9be8e93dd3f6f48db661592ad6a96ffde8827a7a30362eec06232d9b8da5.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2368
    • C:\Windows\SysWOW64\mshta.exe
      "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\_²¡Ãû¤ÏÛ¤À¤Ã¤¿_.hta"
      2⤵
      • Modifies Internet Explorer settings
      PID:2836
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x4e4
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:748

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\$Recycle.Bin\S-1-5-21-3502430532-24693940-2469786940-1000\desktop.ini

    Filesize

    129B

    MD5

    a526b9e7c716b3489d8cc062fbce4005

    SHA1

    2df502a944ff721241be20a9e449d2acd07e0312

    SHA256

    e1b9ce9b57957b1a0607a72a057d6b7a9b34ea60f3f8aa8f38a3af979bd23066

    SHA512

    d83d4c656c96c3d1809ad06ce78fa09a77781461c99109e4b81d1a186fc533a7e72d65a4cb7edf689eeccda8f687a13d3276f1111a1e72f7c3cd92a49bce0f88

  • C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\Office Setup Controller\Office.en-us\BRANDING.XML

    Filesize

    118KB

    MD5

    73f3c22e4367eb6984b5bca05aa0cb29

    SHA1

    d83bce4d5f013348550e54beef0c4157c2127cec

    SHA256

    026d8ef12ac2aefbf3634ec18a25174e63daf34443105ba604d54cbf1c0d1cf9

    SHA512

    d692f835633016fccaf277790f1023d57e27f63801373b13ab52987fbbfa7a36565e400e1097daa21a7589df9bf4bae9a17a337cd4be10fd90af7a486ffc2e04

  • C:\Program Files\Java\jdk1.7.0_80\jre\bin\plugin2\msvcr100.dll

    Filesize

    375KB

    MD5

    5e404bb67dd9d20b0f08b21cd1f3ae68

    SHA1

    532becd695689ecce264825d73b8c37fcabe5966

    SHA256

    2a0f5f06b26794ff941ae932fb46c0895ef3e6ea5f7c92e7272b7eae306a40ab

    SHA512

    6a05e8858a60062f86d709ced88eb80e23a7303c6ecac90cc297e5a87c5e67d7c1ddc2f3ab1d66482735af71549c4dbaed5efd4eddeeb9b19a7f7d5c9a4d0699

  • C:\Program Files\Java\jdk1.7.0_80\jre\lib\images\cursors\win32_LinkNoDrop32x32.gif

    Filesize

    172B

    MD5

    b5253f3ba4f5262cc603ba8eb5584629

    SHA1

    79bf660b0cee4672829a22d2f682006a45cb4729

    SHA256

    386c349dc246e61351ccf0f42b9314d0ede44c0acdb7fed7998e25e3d797302a

    SHA512

    b26e0365f57b7b1e7ee9913d5b96a1196b34eebee9e712ef8d1dc83f3b799fdde3b2afb2c990c32d74a0e0b3365d9f3c990ab89eb8815a80608d1f4f2f5438da

  • C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Etc\UCT

    Filesize

    35B

    MD5

    78e8ba27731332d4186a0cdb839d0074

    SHA1

    35c2270c57f2a2977848c159315ebbc68c17686c

    SHA256

    fb2c7a2e5dba6542482ef369f551b8413cf8399ae95c64933149021653eebf3b

    SHA512

    af6aa6768f8b334ed0add5a17b7466c42043fcdc792e2f4ad5ee45e04c5057d145119a30d57b9be592ef7de7adf38619e16bddbd9683508a36ebf3b96f2460ff

  • C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\SystemV\EST5

    Filesize

    41B

    MD5

    29520dfc4ce72fbc762c9c9fe8cb22f0

    SHA1

    7c381ff0d88ea91124b557958a3dfdb4992df62e

    SHA256

    95b782a72a1668cf78252021da9e31c21a3503c807456370acb3294a298f9f2a

    SHA512

    1ef295c13ab087bd2f29086516ac412e8cca5d67f61db7fa9c69a19dc4253e623c88ade4e6805ab6495bbf038126aca4a895d58c6b48948a7b75e81c233cac83

  • C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\SystemV\HST10

    Filesize

    40B

    MD5

    f667f1132ee3822e3fd94f315e7320eb

    SHA1

    8a1b13fbdcdf695a6319f978e4e8f66388ccb507

    SHA256

    8ecab7eed782799074adc2d6d48a80832a3702efd6eb323bf53ce8a78de47d3a

    SHA512

    f0b35d991e504523cae3fc623ac40ccf41c9294ef0827f8103fe30f01fccfbedbf602c9074673e4891c2ec196c5065a9c5847558764f2631fa00df88d808e246

  • C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\SystemV\MST7

    Filesize

    41B

    MD5

    1bbd18182f84f13e1d8f745a3cd8b987

    SHA1

    1f8d011f0a5a793cf8c998ad02991919247d837f

    SHA256

    4a777a308883b69d3b851c6ae3669868176ce76ce4f81039e7513bafc8d6c55e

    SHA512

    7e28762033c93998f9e1b8281a814325f93f3d9e13e8eddbb03e2b08541f38641b8b3c3b6e871510b2758ff71e82dee45fdeddb3a2ed9eeec51c1be9a9bdb4ac

  • C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.core.ssl.feature_1.0.0.v20140827-1444\epl-v10.html

    Filesize

    4KB

    MD5

    03c99cb81708d2ddf8a2253bca66799b

    SHA1

    9a65e92ab9c49da96202fbe46ee5263550059fe5

    SHA256

    9dafe0a77da244bc552a85c340ef46f1a2151912c339719bdf875a200bc7e7c0

    SHA512

    d56623390d3cc71a4cadf3329b1c16b880290a351d0600b9880c9a52ec9e4895d5bc30e71fa73bb43fc736c89f432f5f2ff10718ebb74a30fac64126d4af92a8

  • C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.core.ssl.feature_1.0.0.v20140827-1444\license.html

    Filesize

    2KB

    MD5

    f2ee98e6f23770b5835d2e084f1bbef6

    SHA1

    9a6560a13b248324155902c6bbe457122d67cd3e

    SHA256

    2b3cbdd5227232ac17921e827cc5f56edff55fe8706f4dade3958aa60bbb56bd

    SHA512

    f61537494f75f84c9ccd9bc8e82c46c6a5bf013431a995eac1bf483ec751c7b85bf154a2c1bdb9a57a1918c851ba5cef6d0a1246e27992894eb2aa55d8daf9df

  • C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.feature_3.9.0.v20140827-1444\META-INF\eclipse.inf

    Filesize

    68B

    MD5

    96490d55c41e2b7e8a4448c0c5d90dfd

    SHA1

    7d815354db789604c17c6e4c3d068c6393dd4df2

    SHA256

    d201cbf0642f63f6f563ee494454668d32f533124dc96d53f53f513ae07907a9

    SHA512

    8a529ac15423f59b3a1eea5afeba5304072c59a0dff42b0c973655cb68ec144374657972b57f2708c830be26c1d45eb5c9cb3f35cf5ecb39539dc202057cfe92

  • C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.httpclient4.feature_3.9.1.v20140827-1444\asl-v20.txt

    Filesize

    3KB

    MD5

    87533f3f6909c385f9022df9418f5806

    SHA1

    7e8c3e07b24414db64f92403f7ba7073b219dfd4

    SHA256

    effa73252718aa67bcc65e467de7d1709920d6fa37268a43b87c60ac2808ac3a

    SHA512

    6fe026cdc5fbd7c0100628e6af531153ef1dff709a8a93633f7ff409c7cb6960743ae69b3a5fbf25e203ae48ece5f4b8095561a1f66b04258ff34e9aa12d0dc7

  • C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.rcp_4.4.0.v20141007-2301\META-INF\MANIFEST.MF

    Filesize

    124B

    MD5

    2829b5073b1120dc17e01095e79f0c73

    SHA1

    f8343b8ad7d202ca3552e9690c6cee517e7a5063

    SHA256

    184bb0d56948793779e905dba8a05fe5824f4d5701e49c7c0f0b2c6eec9a4113

    SHA512

    1fb7959f22285b6ad9aef3af2856c191b5e03af393f693f012655791a88a5471c4b646cfcdd6a2decf830eeb09a991248d713c53b60f39d3679fec73289478c0

  • C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\.lastModified

    Filesize

    8B

    MD5

    e986099de28a3f04e2da018ef2c99254

    SHA1

    55d6d8b1af2795b42320f114e52651e15c946eb6

    SHA256

    753067e33ab9d5e182dd29f43ee027f5555060587406b4f56646d6b56490dfd6

    SHA512

    23819053d09a19065ff604bfb9002a2f4751a96fd4d1afb0f4c8079b138782eff17542cadaa0efe680dc61913e4a9ca078c8a8e74994febbbb2ccc00e1ba4e8d

  • C:\Program Files\Java\jre7\COPYRIGHT

    Filesize

    1KB

    MD5

    a20529a96d00362b899684496941b9a3

    SHA1

    0affdc12999a50aae36c0dce00ce59fb55b86dfa

    SHA256

    88d785b94cdd085663f4d777b6f876d93ca0a27a5172b2fac8c8ab4893eebd1d

    SHA512

    0e4a282bf20dfe529f4740d3d7f89a79c5a305ef62b18bb2de2d9d8d30c885415776c60c2065fc92a3e4dcf8af708102b8bd6ad652929563d9d8db761d43af41

  • C:\Program Files\Java\jre7\LICENSE

    Filesize

    57B

    MD5

    b5b21f09e072532cdd3314cef0e53407

    SHA1

    f6885a579119620644e1b11bb0bcabc2645e1704

    SHA256

    e315da4835cc04296c3b48e96651b1929bff592cc93de4bdbf52b194168f78ae

    SHA512

    05065bf21ae83c3869008442925780747d7d07ae89843cd08a2a1658797a161aa0989ef5ade9af120ea44bef221c9a652e792600026f98cb487303e8e7c03f8f

  • C:\Program Files\Java\jre7\THIRDPARTYLICENSEREADME-JAVAFX.txt

    Filesize

    28KB

    MD5

    c81b609cdbad4ecc26803e7e7515197b

    SHA1

    a5b0ba894c6ffdfe7cec46f7123b397ed1c38e14

    SHA256

    243d3f9964d4c091db9c6bdfa4d948bc1830cdb6758d56c4f114a5e5bc4a609f

    SHA512

    3012df41c52b39940d46ed1e694a8d7e88b214f8357f716f13a66b2056bfd92d6aee88cd5603b184e3054354915ed46dd1683531ae9219eea3ad47a7398667e4

  • C:\Program Files\Java\jre7\THIRDPARTYLICENSEREADME.txt

    Filesize

    44KB

    MD5

    84448bafb280422e0087863ed2c57897

    SHA1

    7d14d51c0714a983078757df7b08f842c75007b8

    SHA256

    07839b20af3873799f749511519c0dbf4b647661c7747a122586e872511a9986

    SHA512

    15b5646544dc943b47434a4b333b9232a9a2d5e4fe96aa5e6fe1204b9c39173d69cd598c1e53480be4aa6520ffa6202fb9f77d7f0221c25dd4a864366284ac19

  • C:\Program Files\Java\jre7\lib\deploy\messages_zh_HK.properties

    Filesize

    1KB

    MD5

    0b9455d6fe5bb17838d8165f5c55c977

    SHA1

    6f64e1203ec3cec2150716334fd2c90750d8c8db

    SHA256

    faba7e12fb69548858ecd751ebc6041c741d7cf065c3c6f73c50ca53d2f1d557

    SHA512

    ca9313d9aeb13536ef818173d1a9e533bd1ac6410d95f0ed53c2ec00ee0689a9191d9dbc34ee19339da5c31ffcaa83a5b8618737426559a9f3d8fb9653e6f918

  • C:\Program Files\Java\jre7\lib\zi\Atlantic\South_Georgia

    Filesize

    40B

    MD5

    f999423f899c8a83df8e9b5b0d435774

    SHA1

    58f66eb8ef753a7dddf66461c9ffe97c53b87fdf

    SHA256

    c74154a41e98cc23cc742488052c75f43cff038513947b958e7326a2f38a117c

    SHA512

    529f3b2b61e76be790d899fa1eaeb09439d800d8369018d69d735a034c16bd4cc9061fb0b43d25d6eaaa0fe37bcb09220ae6352c1350ba46501d80bc441461c5

  • C:\Program Files\Java\jre7\lib\zi\CET

    Filesize

    791B

    MD5

    559ab7c040b3ac38d7a20983ce516641

    SHA1

    2072e270d96dd38a207f5df07c72519f2e7fab61

    SHA256

    548c3b415b1d0340887f953d4b8176d7c0ec90d64eab3c4281c749a7ad7476ad

    SHA512

    dca4a6e76e9bd297946cfac98b3861224fb0ae45ee6f8afbef1084f7a3380fecc18336eb17816c628614109a39f19edec3758cb68d4f4385bc9958205db43d96

  • C:\Program Files\Java\jre7\lib\zi\Etc\GMT+4

    Filesize

    40B

    MD5

    f53c539087bac433556487cdb540c581

    SHA1

    194fca4a29787826c55b9a96dac73290dd5442b7

    SHA256

    7e12323c0abaefd72f1facfc642d52ff272ec3df5134a5012876b0ec47101d5e

    SHA512

    c85e581eb426f3cde102bcb51e517eab0a399f24495aa2f6c7faadd156c0e24b31d3c88dc29202eb01263915c462342f2c724d1d61387facaf5b9804b52b755b

  • C:\Program Files\Java\jre7\lib\zi\Etc\GMT+6

    Filesize

    40B

    MD5

    df60f3f472140f1f092cbc019977c451

    SHA1

    de49d055a4a49d0a1a03e4807655e13a3ffc0908

    SHA256

    d1b11ab6196404953831442a8108c822b9c567f65ef2f5b6f056ba12c889c1f0

    SHA512

    db6d451ac7d41998878119f5464fc53242d9f0a2062c9db7bb60cd76bee0b6155e747b71609b046a171950e7ed52960f6db6362c7e0fa650141af9ec04432e40

  • C:\Program Files\Java\jre7\lib\zi\Etc\GMT+8

    Filesize

    40B

    MD5

    aa2c7e1db809a48b5c0862032e816131

    SHA1

    17387a87314a4d0ef8dffb9e189de75a2bdd3f06

    SHA256

    a8772a92549db4a6accc6a6b39c10b21a2d3467202846a440edf046f772ee2ea

    SHA512

    01e0c81c93417a62c427463648b018d4bb9aabfd3288a23bf97b3edafa01b8ae28d3d8e9489c2dabf127aae6c22ae04fe580d28cc6b1c9d71f58f3c760648804

  • C:\Program Files\Java\jre7\lib\zi\Etc\GMT+9

    Filesize

    41B

    MD5

    13167b40b84d20748cc10032d98118f6

    SHA1

    662cf3afa29bd5c78280e464303085f877c142c0

    SHA256

    062d532d85545f42187f51585b558fe8480a9184ac5d52d85673af167f9d0476

    SHA512

    cac288e4594881c0f6c1624c0bd7bcff1b9c015e6bd8c81b48c0cbbdfa4ddcf8125c5116be96964e301e7565f48f92ea9629d96d7e70e233d02277af1fc7a730

  • C:\Program Files\Java\jre7\lib\zi\Etc\GMT-10

    Filesize

    40B

    MD5

    8a97aa28bfc5e125aaaab001239d695c

    SHA1

    9e6485d115ba50b20b59ffcdda6ca0a644c029c3

    SHA256

    2341a6cb30e1a9cd10fba8938514a13104b1e13899069bd16a7a47b87d9aafeb

    SHA512

    840a5b37700941601dda552e7c5ab98063104fd148b4ac0a6779cd89d73cdf733eda6342943e10ddf795b4ffbabd35cae475e09fd99fcf4103c26707e22bc270

  • C:\Program Files\Java\jre7\lib\zi\Etc\GMT-7

    Filesize

    41B

    MD5

    5922b82fd31679c9b0e81e4a4dfeb05b

    SHA1

    473a670c92f10147a8df1e93d39290a154372671

    SHA256

    138dc082b1de36085228d4c3fab394969de1bf60c2b49710b3f45af95e473b8d

    SHA512

    fbbcbe68a7d3dbe6816f9a34cd3d7fe9ba5111cff74fdbe89e9912e6d4de06a65e1443bf65bcb7b72414619b60930ae7b47be38807071746f51f347cfbe3c674

  • C:\Users\Admin\Desktop\_²¡Ãû¤ÏÛ¤À¤Ã¤¿_.hta

    Filesize

    301KB

    MD5

    468aafe85a8944334c1a4374695d0663

    SHA1

    43f211080b8cf2f56eb3dbffda47fa7d4d6fff9e

    SHA256

    d74ff56df07ea8a1a0c8359f928e80ce6743103d52cf08ff9908028ab978411d

    SHA512

    e76c9b7988552c1f46ab3a81f9cb3124f276147e25ecd08757988683868b5ec326ee94fa591fad678da5bd69fc264761c017cf482cee7a95b181170ea29f3464

  • memory/2368-7468-0x0000000074032000-0x0000000074046000-memory.dmp

    Filesize

    80KB