Analysis

  • max time kernel
    25s
  • max time network
    30s
  • 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

    a4dda2ddd2becaeec26cf021dac21070cbf9e368b11c93d47818938110ed47e4.exe

  • Size

    920KB

  • MD5

    89871a05f8ced35e1df1454d48f22e35

  • SHA1

    cb03098d9b2f94c320e09d8458372b30f5c21dcf

  • SHA256

    a4dda2ddd2becaeec26cf021dac21070cbf9e368b11c93d47818938110ed47e4

  • SHA512

    ae55269188a9d6c178f649cb73de57a6095bba325d156cc10853fc763921f9fb84500d003f39950402b13b264e76067f85a9e6ef4bb8242a41e3d1211e5065b7

  • SSDEEP

    24576:h1OYdaOcMtdHAqcdDVhYwiei7+EpFAh/kKw:h1OshPHVmVhYwiLtKkKw

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\a4dda2ddd2becaeec26cf021dac21070cbf9e368b11c93d47818938110ed47e4.exe
    "C:\Users\Admin\AppData\Local\Temp\a4dda2ddd2becaeec26cf021dac21070cbf9e368b11c93d47818938110ed47e4.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1432
    • C:\Users\Admin\AppData\Local\Temp\7zS227F.tmp\KsmcaQwuzfw4vTO.exe
      .\KsmcaQwuzfw4vTO.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1232

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\7zS227F.tmp\KsmcaQwuzfw4vTO.dat
    Filesize

    1KB

    MD5

    9e205cc078e3a66a128d275f1ad6f08d

    SHA1

    b7b071589fa20d59214b0b888ff85c19b94d7733

    SHA256

    5e317d0540e46090c79b17ddfd974a48c4b75cd01bdb551ab5d56440e19e0048

    SHA512

    6d3f824e386f1e3498ec122fc3c0b8539e88b425e372111538110f91b1d83351715886a63c9bb70e88472f30f9abba10508ff91aa980adeea22e1705fd51a11e

  • C:\Users\Admin\AppData\Local\Temp\7zS227F.tmp\KsmcaQwuzfw4vTO.exe
    Filesize

    760KB

    MD5

    dcd148f6f3af3e3b0935c4fcc9f41811

    SHA1

    ee9bdbc7c568c7832d90b85921ab20030b6734cd

    SHA256

    f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

    SHA512

    34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

  • C:\Users\Admin\AppData\Local\Temp\7zS227F.tmp\[email protected]\bootstrap.js
    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zS227F.tmp\[email protected]\chrome.manifest
    Filesize

    35B

    MD5

    1ff4ca0cb76e815e911d75444d729a17

    SHA1

    1318f24c25e2f92199f64be7307c9266a3bdfe76

    SHA256

    a318800f96f3e8cbc2858909dd6ecbb32821bd2dc9de3447a373edf38c6083d5

    SHA512

    d02972c0acae015a038f1adf3ac699d918338c42afe84cc3f58aebaa2a8ed937bfd22284eeadcdecc772c18d36c88b07cb5b7fe5abefc39d3ca0e2b49e080e45

  • C:\Users\Admin\AppData\Local\Temp\7zS227F.tmp\[email protected]\content\bg.js
    Filesize

    8KB

    MD5

    29e7a1111d25a4f53913df71d17974d1

    SHA1

    b88fce9a7f2d9e7d23e98cd3f570118d1298614a

    SHA256

    ab215cb71ad578950e666768f6931b0d5146c368acb03d003e7b62abe4d60071

    SHA512

    14c9fcbdee36f01bd369124d9a680ff0f654be89d47a79bc67d9ce861b2e6fe619727333f2fa3cd56840ffa7a366b5614d66e31a3c038f8b4e3aac0c967ed01e

  • C:\Users\Admin\AppData\Local\Temp\7zS227F.tmp\[email protected]\install.rdf
    Filesize

    591B

    MD5

    a022d85f069a4ea2e210038650dd3023

    SHA1

    ba853b26f2938bb5bd5854ea566d1ab5291e01e8

    SHA256

    45ec3b157edb5852a828076e864ffee665085a162b43a1795fd10ca2afed2a96

    SHA512

    5ab371664f15f7fc17a5d011bf48c8c08c2e93752fdfa19fac624d0087524a370bb7fdca3e060343cff0e253e47247a4cffbfe34420ba9e55a8fee17e6ad7394

  • C:\Users\Admin\AppData\Local\Temp\7zS227F.tmp\jghggkeocbmahiolclclinhbcdkbnjam\GHhu.js
    Filesize

    6KB

    MD5

    0507bc2d2f07c8867aed8dd6812f6210

    SHA1

    55a2248b73b94952e3d60497708c93c2afbad46a

    SHA256

    a97505c6ae20c92b776d56155ec361c757f37d5b87d35b6ed8eb1ea6188f36e2

    SHA512

    f355a9ae9a1c4a03dd07a74047c82b6a0edfde06170d233f63b5d0ee249d0fcb9a7674d095d6cc946270fe8a9722a87c05ccd495d58cfbe4629b29a17e1107c7

  • C:\Users\Admin\AppData\Local\Temp\7zS227F.tmp\jghggkeocbmahiolclclinhbcdkbnjam\background.html
    Filesize

    141B

    MD5

    3e3303551337b75843d674672ff7c0cb

    SHA1

    f7914342bbd33540c2ce9a173d084a96fcc299a7

    SHA256

    4fac28e9d8fddbfd19a19197b1128406b5a4f7c3c5e9cb6a7c71d1e72b4b9fc6

    SHA512

    4297cccceb1b787975f6546f8b40589ba9c4125101cc9fd7397650ea58e4ff0b749236aceec0dffbb086e75cb93f3d68fe39f0981669b7dc9cce71624da6dcb0

  • C:\Users\Admin\AppData\Local\Temp\7zS227F.tmp\jghggkeocbmahiolclclinhbcdkbnjam\content.js
    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zS227F.tmp\jghggkeocbmahiolclclinhbcdkbnjam\lsdb.js
    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zS227F.tmp\jghggkeocbmahiolclclinhbcdkbnjam\manifest.json
    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • \Users\Admin\AppData\Local\Temp\7zS227F.tmp\KsmcaQwuzfw4vTO.exe
    Filesize

    760KB

    MD5

    dcd148f6f3af3e3b0935c4fcc9f41811

    SHA1

    ee9bdbc7c568c7832d90b85921ab20030b6734cd

    SHA256

    f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

    SHA512

    34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

  • memory/1232-56-0x0000000000000000-mapping.dmp
  • memory/1432-54-0x0000000075C31000-0x0000000075C33000-memory.dmp
    Filesize

    8KB