Analysis

  • max time kernel
    11s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 21:16

General

  • Target

    a514ec5cb4574f527ca18869a8dfc1c690bd0297fcaac7c53c388c8e08f9731c.exe

  • Size

    919KB

  • MD5

    2a1fee31c6eb557f7acc7f14c2f855c6

  • SHA1

    869ab4a9df8a005719b85da1663e7d5c4ed45a73

  • SHA256

    a514ec5cb4574f527ca18869a8dfc1c690bd0297fcaac7c53c388c8e08f9731c

  • SHA512

    3ce763d20a96a8f74b166d2a8d9927de385d84b3644380db5fea4c7b93d2d4268e0c2063a7a62cba843e20e1df9455562772bde50c6bf88633c17abd000aff74

  • SSDEEP

    24576:h1OYdaOOMtdHAqcdDVhYwiei7+EpFAh/kK5:h1OsHPHVmVhYwiLtKkK5

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.

  • Drops Chrome extension 3 IoCs
  • Drops file in System32 directory 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a514ec5cb4574f527ca18869a8dfc1c690bd0297fcaac7c53c388c8e08f9731c.exe
    "C:\Users\Admin\AppData\Local\Temp\a514ec5cb4574f527ca18869a8dfc1c690bd0297fcaac7c53c388c8e08f9731c.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2040
    • C:\Users\Admin\AppData\Local\Temp\7zS6C4B.tmp\grzoMTAnf20WBuq.exe
      .\grzoMTAnf20WBuq.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1896

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\7zS6C4B.tmp\bdnnonjiabcbaifihegpegaomlbfjjli\JsSBZ8CACL.js

    Filesize

    6KB

    MD5

    83a8a527ef00a543ac149a564578a94c

    SHA1

    95f5f10885be99e404aaedc6567f411f0985b085

    SHA256

    f46dab382c751bfdbcb386cfb5159e8103af4076d630fc2f566430491c233c9c

    SHA512

    7f75532ebec60e6727c64a734a998dc66f450a6d4d96db39ccfc541f75ffaec5efbf999af774a55b4e7ae5de52db3e2a8415b86cd6bd80aae4383be5f4a9835c

  • C:\Users\Admin\AppData\Local\Temp\7zS6C4B.tmp\bdnnonjiabcbaifihegpegaomlbfjjli\background.html

    Filesize

    147B

    MD5

    8c4997a736e94640fe3b6409964743d8

    SHA1

    2bf4ad0e5ce5e04c06bd167ede005327d478847f

    SHA256

    a526849000d44e21e1c69234bb0da1799a9b235d9ebe55defc85c62744ba808c

    SHA512

    0e29144bdf3492f9719012acc6b0658201ec72639989b763a48faaefba54b5cce7934e7d9b02ff7ee52615d137cf2625e498634cb0305293401e45d5c081715f

  • C:\Users\Admin\AppData\Local\Temp\7zS6C4B.tmp\bdnnonjiabcbaifihegpegaomlbfjjli\content.js

    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zS6C4B.tmp\bdnnonjiabcbaifihegpegaomlbfjjli\lsdb.js

    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zS6C4B.tmp\bdnnonjiabcbaifihegpegaomlbfjjli\manifest.json

    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • C:\Users\Admin\AppData\Local\Temp\7zS6C4B.tmp\grzoMTAnf20WBuq.dat

    Filesize

    1KB

    MD5

    56358dd7744e25b7650435b6a98ae2ce

    SHA1

    bf9644260ff0dd77cc3fc510fbebc4c9d4695dcc

    SHA256

    e1bccab867cba2f5c65e2d1b62a8856071ab6adbdb6b9d8349d12777fde59f03

    SHA512

    c1a8fb055a119b949b2c2dfc69d380eed68cb37cc5af23d258c3d37230a5b778df6c94b2cef35c9206cfb6a4551dc2caf26988da65cc397f787aaf256eea293d

  • C:\Users\Admin\AppData\Local\Temp\7zS6C4B.tmp\grzoMTAnf20WBuq.exe

    Filesize

    760KB

    MD5

    dcd148f6f3af3e3b0935c4fcc9f41811

    SHA1

    ee9bdbc7c568c7832d90b85921ab20030b6734cd

    SHA256

    f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

    SHA512

    34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

  • C:\Users\Admin\AppData\Local\Temp\7zS6C4B.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zS6C4B.tmp\[email protected]\chrome.manifest

    Filesize

    35B

    MD5

    c59d94cdd45c9b954943e0f88bb3dee8

    SHA1

    b93c8dd8b8c54d97511aba5f80d880c33c087d39

    SHA256

    42fb6b19134e922ef028cc5471ad44fd24ed0d4ecb24dc4e9d37dc8cd278e53b

    SHA512

    aa0c46100f6aa45da64e82c1136cd0fca0ba8e54d623966fd036c4ddf5c705e827df5aff9f74db9ec5d60eb426bc1d86d16f2a29252a16f126302f04aede4310

  • C:\Users\Admin\AppData\Local\Temp\7zS6C4B.tmp\[email protected]\content\bg.js

    Filesize

    8KB

    MD5

    f8ce2b3d9ab548531f9fc4ab06f28113

    SHA1

    7eddf24a187dedf537c33626278f313a98ed0bc8

    SHA256

    255adb8074ab6e777a67fbf6681ff34b4a2b4ccbac5eed94eef73e9700f2fee8

    SHA512

    e501050d401c3be31884aaf37c17a2edc462be98febdbcd8b3c10f7ac055083e0135317459b46b1461fb30956acadee4e38a2c00572b658d1bdf79c0f9a314bd

  • C:\Users\Admin\AppData\Local\Temp\7zS6C4B.tmp\[email protected]\install.rdf

    Filesize

    594B

    MD5

    91adf612b1527bd32925e3148aa64aa9

    SHA1

    8fe6586951a64e400fcf6531c4f53354ac18b047

    SHA256

    162aaddb40622943fad9a64efc45d607b3b8e98564c11bfcd630faa8e7ff9296

    SHA512

    3bb8fb6a0e3abdea4e23054bd4149e3cd8c31df4066e6a7ede1f96cd257351f9bfdbbc69976bae5d25c86c13742579d0d725d65616015e64f86d4806ea8da74a

  • \Users\Admin\AppData\Local\Temp\7zS6C4B.tmp\grzoMTAnf20WBuq.exe

    Filesize

    760KB

    MD5

    dcd148f6f3af3e3b0935c4fcc9f41811

    SHA1

    ee9bdbc7c568c7832d90b85921ab20030b6734cd

    SHA256

    f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

    SHA512

    34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

  • memory/1896-56-0x0000000000000000-mapping.dmp

  • memory/2040-54-0x0000000076691000-0x0000000076693000-memory.dmp

    Filesize

    8KB