Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    25-12-2023 20:40

General

  • Target

    3bfa214cbc210abf435478ebb9c7bbde.exe

  • Size

    250KB

  • MD5

    3bfa214cbc210abf435478ebb9c7bbde

  • SHA1

    897bad9ebf1552e490b49964ca02b0c280c3a9e5

  • SHA256

    48c4f5d882f4c32097500424d15004f703e9eddfaf5bd68e377ada1426343d5b

  • SHA512

    075a53cc69f5bf0fb0ac43ad99ddf2675c4dafc5402ed35fc402631d57764f28489cf2745eb30fd5cde34894d6a1031f3a1593dbfebb06615ccc0b8351f2511f

  • SSDEEP

    6144:h1OgDPdkBAFZWjadD4s5CPrCgqxpqsnSg+P63Sfr:h1OgLdaOCTusqiPcSD

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops Chrome extension 1 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 3 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 2 IoCs
  • Modifies registry class 45 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7zSE53.tmp\50f7bb7493ea5.exe
    .\50f7bb7493ea5.exe /s
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Drops Chrome extension
    • Installs/modifies Browser Helper Object
    • Modifies registry class
    • System policy modification
    PID:3032
  • C:\Users\Admin\AppData\Local\Temp\3bfa214cbc210abf435478ebb9c7bbde.exe
    "C:\Users\Admin\AppData\Local\Temp\3bfa214cbc210abf435478ebb9c7bbde.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:780

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\ejemnchmgkbeibbjifaooeahkbkpgiea\1\manifest.json

    Filesize

    481B

    MD5

    ac4d01d4dadf68250f48e64b6c6b8dd1

    SHA1

    c82947a0b8788097e8906d02c418194ea735c8c2

    SHA256

    1184c36422fc4f689ea9048d1534adc24f2ca702dbfe01421e49c64dcf5ecd73

    SHA512

    dd714026bfd65a93c3dd8995216ad57aa06deb2804b95d726d2a93c457e42dbdbe8ef27dfd880a5f7b1629f1251b5a0ba75808bb8d4761f3de48cb044edb88aa

  • C:\Users\Admin\AppData\Local\Temp\7zSE53.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    3452675b70bb7cbc3943612b05ffc56a

    SHA1

    4c6952775fad97f2a21ed5a800faf30f68491ac8

    SHA256

    fbdcfda3484c281325edf29226fedc158b29bcf5770c3c7a1fa54ed4bdd4376b

    SHA512

    fe50eaab4d6c0628054e74697bc227ecf841351df85ee11e40f17cd81abd2810a8f9c1c2af12c6583e7de99fa9d8591efbd8aa3e9e8c619b6aaf9193e8297979

  • C:\Users\Admin\AppData\Local\Temp\7zSE53.tmp\[email protected]\chrome.manifest

    Filesize

    116B

    MD5

    86c492f9d62eb0880b6b7cc1775c8d15

    SHA1

    305bb098bd60ecf4b781c823ce0c4e11f997cff8

    SHA256

    7b8ee9475ebcd6461362767d9fa6c951bccbf347e373fef42ad7296187728351

    SHA512

    3deba6005ba8d70f61697b4e4820aaa663934bd3095d01cec6b5ddcc7ab75051a57326154c2d1cae9755306bac78365f594eb7e04a38fcb9cd7f4cceb8ec27e1

  • C:\Users\Admin\AppData\Local\Temp\7zSE53.tmp\[email protected]\content\bg.js

    Filesize

    8KB

    MD5

    a9e9ac6e6f196d8eff384ee4eb87eb3d

    SHA1

    7e70549a59e56d73864dd9edba68eca928e151ae

    SHA256

    331fa89b7c3697b5f571449bcf6b4c917ed8fa8f54bdd12029ac864f0a002396

    SHA512

    f12fd3184f707c14950ef850b0f664b1d29fca5956370ea83ead90c97cd37e3e213379431da33cd198dd4de2d20a1fe409e43ba870a6db670b1945823f8de1ab

  • C:\Users\Admin\AppData\Local\Temp\7zSE53.tmp\[email protected]\content\zy.xul

    Filesize

    225B

    MD5

    3a4529bbfb2414cb669c42784efa6bbc

    SHA1

    26e189889fb04233ec53bd872d3e0e7b165a9316

    SHA256

    77b2ca90fe5e12f4be2481bc23eed06f1f507be57c48032faa9d132d4aace20c

    SHA512

    af206563bf6b92053530c9c79416aaf25fadb15f8cea6d4438aed92b1d1088f9d941e67983cff9f67df4f4ccf32218c1c5ee56277bd5f952c894a457b4c98210

  • C:\Users\Admin\AppData\Local\Temp\7zSE53.tmp\[email protected]\install.rdf

    Filesize

    707B

    MD5

    2df8c634c99a19ab2faa7178ada03a1f

    SHA1

    5419ca2283ee3ff0fc197d20deb33073f8e777ce

    SHA256

    9e92cc775c97c1699d987084b8a3186ec7427bf45c7aacf74f174b318b35066c

    SHA512

    c2869b2209ef7c5e4c6153aac33a1e34a082ebeb74ec7e16810a4d3fac41831e3ef8cadbc80d50c5e4ec1cbedf63f37e1a5ef468e797d676236d65137c82d52e

  • C:\Users\Admin\AppData\Local\Temp\7zSE53.tmp\50f7bb7493ea5.exe

    Filesize

    71KB

    MD5

    b78633fae8aaf5f7e99e9c736f44f9c5

    SHA1

    26fc60e29c459891ac0909470ac6c61a1eca1544

    SHA256

    d205693516dbaf34cfbd216e825190de4de1412e861bc9cb30ce863907b30d22

    SHA512

    3885b609269b26918ccfcd9069181168c12f4271b6bdfcc51afe176b2dd242d4c0953ac1a4ddaf25abcfaf28a0b694a6269d96ae39bb7b2db2f0140d2d60cd43

  • C:\Users\Admin\AppData\Local\Temp\7zSE53.tmp\50f7bb7493edf.tlb

    Filesize

    2KB

    MD5

    1f14de44d0d63a79f91d3fe90badb5fc

    SHA1

    7fcc921608d2cf40e81cdd9a98e1a15a6ba1f57e

    SHA256

    bd3d85c0136a66b2af79d4d91c1c5700c8931937b7e554d5ece946760ef4a99c

    SHA512

    86eb6ebf9eccf1dcb601db827797ac603c0ebe01b6d73318986275c29bd034c8df5f7c79ddf0b19536faf24bdb11e09ac95ea43e8fe75b0ed3dde76dd139883c

  • C:\Users\Admin\AppData\Local\Temp\7zSE53.tmp\ejemnchmgkbeibbjifaooeahkbkpgiea\50f7bb7493cc01.88843865.js

    Filesize

    4KB

    MD5

    0356d93efaec5b223f3502a6049b0e26

    SHA1

    13a9752a7ec630403471822320f0755136aafd6b

    SHA256

    f805cb918d87536fe10e8806bdda7b6fdaa1a094372594a568c378e4923cfa02

    SHA512

    d5b490b63c6193165e09159bb4374d7995da5ae0b0754befbc1c42b6cae8b585b043be1c37ff2e1a8376e27f44a83326860a33ff80b279b3cdc61435e69779af

  • C:\Users\Admin\AppData\Local\Temp\7zSE53.tmp\ejemnchmgkbeibbjifaooeahkbkpgiea\background.html

    Filesize

    161B

    MD5

    4046966bfb63c6216f2128ca052fb14a

    SHA1

    e84ff7990f00e91615c5c22dbc5f522706569029

    SHA256

    12a5ab8555403a9c3d0e4c180f400663db4d63b000e0ede2313fd9565c684646

    SHA512

    3f3ec83d197ce74c0ce252b8a249ca58ac7d7296d71571453ff93e570f334ca72522dfe7657f784297ab2d00faaa4299758dd6c140a85449e9ec60880b4f48c6

  • C:\Users\Admin\AppData\Local\Temp\7zSE53.tmp\ejemnchmgkbeibbjifaooeahkbkpgiea\content.js

    Filesize

    197B

    MD5

    5f9891607f65f433b0690bae7088b2c1

    SHA1

    b4edb7579dca34dcd00bca5d2c13cbc5c8fac0de

    SHA256

    fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b

    SHA512

    76018b39e4b62ff9ea92709d12b0255f33e8402dfc649ed403382eebc22fb37c347c403534a7792e6b5de0ed0a5d97a09b69f0ffc39031cb0d4c7d79e9440c7c

  • C:\Users\Admin\AppData\Local\Temp\7zSE53.tmp\ejemnchmgkbeibbjifaooeahkbkpgiea\lsdb.js

    Filesize

    559B

    MD5

    209b7ae0b6d8c3f9687c979d03b08089

    SHA1

    6449f8bff917115eef4e7488fae61942a869200f

    SHA256

    e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704

    SHA512

    1b38d5509283ef25de550b43ef2535dee1a13eff12ad5093f513165a47eec631bcc993242e2ce640f36c61974431ae2555bd6e2a97aba91eb689b7cd4bf25a25

  • \ProgramData\Bflix weCare\50f7bb7493edf.dll

    Filesize

    116KB

    MD5

    da161da8bcb9b8032908cc303602f2ee

    SHA1

    8a2d5e5b32376a40f33d6c9881001425ec025205

    SHA256

    0648d564b30e13a0819f28e00a9af39a6686a4d29ccd265c7d81548e4fe0f67e

    SHA512

    39e882a371dbce2484324811bffdd7ae7655b57401d07bf264aced6b5dac0ae326bd1945c536f05d8ab3b92ca03ff056c5a7baf54f7eb477b45fc405ec54052c

  • \Users\Admin\AppData\Local\Temp\nsdE92.tmp\UserInfo.dll

    Filesize

    4KB

    MD5

    7579ade7ae1747a31960a228ce02e666

    SHA1

    8ec8571a296737e819dcf86353a43fcf8ec63351

    SHA256

    564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

    SHA512

    a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

  • \Users\Admin\AppData\Local\Temp\nsdE92.tmp\nsJSON.dll

    Filesize

    7KB

    MD5

    b9cd1b0fd3af89892348e5cc3108dce7

    SHA1

    f7bc59bf631303facfc970c0da67a73568e1dca6

    SHA256

    49b173504eb9cd07e42a3c4deb84c2cd3f3b49c7fb0858aee43ddfc64660e384

    SHA512

    fdcbdd21b831a92ca686aab5b240f073a89a08588e42439564747cad9160d79cfa8e3c103b6b4f2917684c1a591880203b4303418b85bc040f9f00b6658b0c90

  • memory/3032-86-0x00000000744D0000-0x00000000744DA000-memory.dmp

    Filesize

    40KB