Analysis

  • max time kernel
    132s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/08/2024, 07:39

General

  • Target

    a1b3557bfe0970dd90bc20a5d93a999d_JaffaCakes118.exe

  • Size

    315KB

  • MD5

    a1b3557bfe0970dd90bc20a5d93a999d

  • SHA1

    7dc85dad3afcb17eed612b266716c6cce36e5227

  • SHA256

    6ba8ce815b5ba3d98cdc4aa5eb85e86ac410dbdef54a02c469f2b5fa73735811

  • SHA512

    d3c7a63ecd056a3cce65af6e096f9f48173750640cdf36ef2bbb401b18caef4070e170090b986b619e76dfd137315984b11b1156b342bd7d3a931bc1e440d09a

  • SSDEEP

    6144:91OgDPdkBAFZWjadD4sPBRg9ESOHQjz9Q3zqRCfWERmKLZtH2m:91OgLdaSRqOZOMfWERbLl

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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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\a1b3557bfe0970dd90bc20a5d93a999d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a1b3557bfe0970dd90bc20a5d93a999d_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2344
    • C:\Users\Admin\AppData\Local\Temp\7zS8637.tmp\setup.exe
      .\setup.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • System policy modification
      PID:4660

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Codecv\uninstall.exe

    Filesize

    46KB

    MD5

    2628f4240552cc3b2ba04ee51078ae0c

    SHA1

    5b0cca662149240d1fd4354beac1338e97e334ea

    SHA256

    03c965d0bd9827a978ef4080139533573aa800c9803599c0ce91da48506ad8f6

    SHA512

    6ecfcc97126373e82f1edab47020979d7706fc2be39ca792e8f30595133cd762cd4a65a246bee9180713e40e61efa373ecfb5eb72501ee18b38f13e32e61793b

  • C:\Users\Admin\AppData\Local\Temp\7zS8637.tmp\[email protected]\chrome.manifest

    Filesize

    114B

    MD5

    d0f8ec48f28ced7b95e1d1ec9517e702

    SHA1

    9acb2963d8514df3b291c1c13a8abebde72c1663

    SHA256

    558205409237acdbe11fef8fd34a6db27c9576c977b0f49e8912cc9f42f7e82d

    SHA512

    5d0c0dfe6dac6905078c92943cc640986c6aef0db010a5924d446ed2a18f88e8ed6f1d10eacd0fb20a8e02895695de54b24cf6642f0ac53349fa88f7628e96ff

  • C:\Users\Admin\AppData\Local\Temp\7zS8637.tmp\[email protected]\content\indexeddb.js

    Filesize

    1KB

    MD5

    ec928c642542062183079ecec6762455

    SHA1

    04cfa1e1d832187e228f648bfde7d56f09da1b78

    SHA256

    92615d56eccd3fa6f3f403c326492d37bb340b6b4ccf8098c0c4c26fff78d39c

    SHA512

    fa13cb245e8b154e3c82e1a029d3d8ace321b0a9064825cf4c1b2c4d4d8f51d65d297298c35fd47c411dc45df64c1e6541e9eb93641ef6c2cfb6aedff93ee9b6

  • C:\Users\Admin\AppData\Local\Temp\7zS8637.tmp\[email protected]\content\jquery.js

    Filesize

    91KB

    MD5

    4bab8348a52d17428f684ad1ec3a427e

    SHA1

    56c912a8c8561070aee7b9808c5f3b2abec40063

    SHA256

    3739b485ac39b157caa066b883e4d9d3f74c50beff0b86cd8a24ce407b179a23

    SHA512

    a693069c66d8316d73a3c01ed9e6a4553c9b92d98b294f0e170cc9f9f5502c814255f5f92b93aeb07e0d6fe4613f9a1d511e1bfd965634f04e6cf18f191a7480

  • C:\Users\Admin\AppData\Local\Temp\7zS8637.tmp\[email protected]\content\jsext.js

    Filesize

    6KB

    MD5

    7a8d4dc9a8a1107c6908085716c931f7

    SHA1

    26d7e2eb3a97d05cc809042afb02d6cbb42b5559

    SHA256

    dbaf12e8c02434dcd103ae8845e3c1271bda4a648cee76406bb5961f7d769504

    SHA512

    aa56ae8ae2f7a0703cf971d92652a8d674a4e1136b5f85fa4ce5d1837ac9efe95a8c6cd79b2597288cc14c249a2fcbcbcf183285e2879825f6dbf2c6ac398cdf

  • C:\Users\Admin\AppData\Local\Temp\7zS8637.tmp\[email protected]\content\lsdb.js

    Filesize

    1KB

    MD5

    eaa168da185d40d1df89632fcbb13fd2

    SHA1

    d8ec0f95fd9dbcb90759f624014fe0b69684baac

    SHA256

    d83b8942aa15570723fb5b6e8fa39e37a506e09942aafce52750fc1cb9e6452e

    SHA512

    e27ccab21681c64b86e693b43a4922edf0dfde474b51dd8210eeeb2db7099812019b47e6b2105fca597d7cd1064c1bced7a60f97030acd68d4e4d69566180c09

  • C:\Users\Admin\AppData\Local\Temp\7zS8637.tmp\[email protected]\content\prfdb.js

    Filesize

    1KB

    MD5

    d4b5b64fb991e1e9d53e305658199d21

    SHA1

    416d60d110d5f4f6c6f828d985b3f16adfc14902

    SHA256

    907422c19922a7c98e332a8efb8d572298439302016d29007749248da16924e7

    SHA512

    cb191560aa2a212bdeec8d4d16968bf7a09136097706ec5d643ab642ead1ecd1ae854a37dc62299b3e5cc9daffeb5c608a4eb8e797c5c55b46b0b362a80ffc3e

  • C:\Users\Admin\AppData\Local\Temp\7zS8637.tmp\[email protected]\content\sqlite.js

    Filesize

    1KB

    MD5

    c0bccbdc86b799fc0c81ee5635f6a41f

    SHA1

    3e56236cc68ccd1eccad3ffebfa2b1bd8f923ce6

    SHA256

    77747544c8f483c761c17ebfb006eea6c16ee40b00d09a242bd4ea274f3fef8d

    SHA512

    cb9c2065648eb147eda5470622e6e6a0e4d0e5f1ed46969936c726172cc1d5959833dc075473ad4480f3603ae7447f28696c58dd74b712c856e89974d1b5515b

  • C:\Users\Admin\AppData\Local\Temp\7zS8637.tmp\[email protected]\content\wx.xul

    Filesize

    228B

    MD5

    e570f507211b0e812880201ce3ade7ea

    SHA1

    5664ce4d0c793d0a8a06fd76137c8a794c527bba

    SHA256

    72d6ed0e83b1cdfdb0cbee2fbe8f18528c3db2ed3c763e91e0d7ee6b50e43eb2

    SHA512

    30b489179119cc97e57caad032c87e3283a01f9a893751c7f85dd4b9110cba396f7039d34145f019647a8574f060fc36c63fe64c1ab151cbb650927c25ca320c

  • C:\Users\Admin\AppData\Local\Temp\7zS8637.tmp\[email protected]\install.rdf

    Filesize

    676B

    MD5

    d36f8ea5aa22e4c35afb0deb154036c1

    SHA1

    48c09af664a921663bb8f3bb48f6453973cc884c

    SHA256

    22471d108689b14084d99878f77e7412985a734de14c1c169778d88c243b1c17

    SHA512

    1388d9e8cc3cf455fc36d0e3ad05d0337831be13ee418fadb184ff898acd26bca0d8abc606065f01bd0a4160a73458026fbe9b2d846765ca2f1c0aa8fc1896dd

  • C:\Users\Admin\AppData\Local\Temp\7zS8637.tmp\background.html

    Filesize

    5KB

    MD5

    8b9ece6229429081b6a66bd25c040e24

    SHA1

    c3dbfb16a1c812b4b4aebb8f9f978561b9dd17ca

    SHA256

    66afaf6bb66a319ab24a6d3806cd103ed6abadecf7da064249318a9e5a92baf1

    SHA512

    735fa299bfe25b743844c8e3bb8804718a495633dca8b809caa3f3ef1715e8065ece3809fc625e9482b1c95986faad782a2318d02e7e6aaf6d24fe8dbcd4a134

  • C:\Users\Admin\AppData\Local\Temp\7zS8637.tmp\bhoclass.dll

    Filesize

    139KB

    MD5

    4b35f6c1f932f52fa9901fbc47b432df

    SHA1

    8e842bf068b04f36475a3bf86c5ea6a9839bbb5e

    SHA256

    2b4d643a8a14f060bf3885f872b36e5e1fe1e777ad94783ba9593487c8e1f196

    SHA512

    8716b9a8e46933bf29348254a68d1a21392bdbbe3b4d5010e55fe638d02cc04eb685e424d440f7c5b58ffbca82e5772dd95bef73fa831595c2ae9599f3b05a99

  • C:\Users\Admin\AppData\Local\Temp\7zS8637.tmp\content.js

    Filesize

    734B

    MD5

    b1967331e10316faf847727971da30f1

    SHA1

    efa452122a382ed5cacbf090f967f20ce89429e2

    SHA256

    b69942f6ef5f000fb282869f559c9cfb42a7374a91a0924b2ac8cf9a0c3c9190

    SHA512

    7e202c2bcd6a2e4c618f8137bd86e2cc72f99e3b6b0188e100ec592db4c1f9ee1264d6dd4667a0abfa0b7a5bfc2e65373c8574bb39572db4fa53df3bac9740e2

  • C:\Users\Admin\AppData\Local\Temp\7zS8637.tmp\mfhhlimidmblfgfmkibjjcddeilnajnb.crx

    Filesize

    37KB

    MD5

    b8008481bfe845b9cbedc2f679cfa960

    SHA1

    a05b05401c3a36f230ab8c2bc043d3bb283926a8

    SHA256

    40ba82833e7bd088fd904302058d98269ad02a4c7f4af2c7683276f504e05531

    SHA512

    65d9ff97eacafc58b671cc7509f462df4ec70b15d063e5944652dc2619a8f00be92c8a9d19cce8451cef00262c54ca21ad9e39740c2001acf4657562ee12ae74

  • C:\Users\Admin\AppData\Local\Temp\7zS8637.tmp\settings.ini

    Filesize

    603B

    MD5

    c1f13c1f36bd79d46100c3e3575f8254

    SHA1

    1450dffa7a6e7cfb11008d81cda1830131884e60

    SHA256

    46bbe95a64c627e17664cefe6a6217ac06045cab88bd6e91c4d2101cf3a48da0

    SHA512

    0be622cd1a6d91d9aac9edf406b34b0330093c82105053f2ce466e6f9a03fc5a631eace685fc1c1cdd94e9f787079ca101c838cdacbf4efebdb47fbfccb93071

  • C:\Users\Admin\AppData\Local\Temp\7zS8637.tmp\setup.exe

    Filesize

    61KB

    MD5

    201d2311011ffdf6c762fd46cdeb52ab

    SHA1

    65c474ca42a337745e288be0e21f43ceaafd5efe

    SHA256

    15c0e4fd6091cda70fa308ea5ee956996f6eb23d24e44700bd5c74bf111cf2aa

    SHA512

    235d70114f391d9e7a319d94bdfc49665d147723379de7487ef76cfc968f7faa3191153b32ba1ab466caeeeeef4852381529a168c3acca9a8d5a26dfe0436f6b