Analysis

  • max time kernel
    3s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 21:04

General

  • Target

    a8e79fcbc53422a72841d43f8f98769f3bfba98cc048750727357396a04190d8.exe

  • Size

    920KB

  • MD5

    ce3fa0c175863417a09bebb91a722ac5

  • SHA1

    a2975978f480399d5efcb1ce6765abfc8d0249c1

  • SHA256

    a8e79fcbc53422a72841d43f8f98769f3bfba98cc048750727357396a04190d8

  • SHA512

    5470a5eef135e0971196f6761a8573beaa44d502399cfbfb2e9325430f1a466a0a2c43215168bfef16d05d8f4f13b91356bf49c311b9b2cac13d1b9510dfc77a

  • SSDEEP

    24576:h1OYdaOvMtdHAqcdDVhYwiei7+EpFAh/kKk:h1OsmPHVmVhYwiLtKkKk

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\a8e79fcbc53422a72841d43f8f98769f3bfba98cc048750727357396a04190d8.exe
    "C:\Users\Admin\AppData\Local\Temp\a8e79fcbc53422a72841d43f8f98769f3bfba98cc048750727357396a04190d8.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1980
    • C:\Users\Admin\AppData\Local\Temp\7zS7FDB.tmp\GbeIR21Tn9SypZi.exe
      .\GbeIR21Tn9SypZi.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1888

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\7zS7FDB.tmp\[email protected]\bootstrap.js
    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zS7FDB.tmp\[email protected]\chrome.manifest
    Filesize

    35B

    MD5

    4e80fada39e1a0d3556eadf660d81e2d

    SHA1

    fae0da908192f3b7a6c392de52b25e0da04c2d26

    SHA256

    eba2a80d07b735cc83db6ee499e6ca92faa9a87ebe1dbec509504d7c4e48f8e9

    SHA512

    610c72d579ecef2f060e5cc295859f93657afe416f63e7da53b4ef4a47124eac152243b2d2bb7d54f7a8f880ebb363e589ad309af4f4d2ec0a85499907ad2193

  • C:\Users\Admin\AppData\Local\Temp\7zS7FDB.tmp\[email protected]\content\bg.js
    Filesize

    9KB

    MD5

    05c022dd0144977ae65d5e62bffa01bd

    SHA1

    c2688251c46919786f1e1c4c296ce0ee58e2fea1

    SHA256

    f980b151d86254fe4194b9ec42f19319843962e2e6297d3e287de212db4aa35d

    SHA512

    7f36d0bba212088d0a400e9b502a460fa6b62276f57cd6d02480a518c87f19cd6407a4a2729551ccaacbf86402b62330cfafdefd966460c932327a828f1a593e

  • C:\Users\Admin\AppData\Local\Temp\7zS7FDB.tmp\[email protected]\install.rdf
    Filesize

    596B

    MD5

    82106d283f3038de87cc989999d941fa

    SHA1

    6fb99736bd720474ed84b2d7f00a9d65f758e2ed

    SHA256

    e9f6216300134dcfbae265c7274c4dd59e07d9608a9a7a612f145875cb7fb4db

    SHA512

    e46191f7fe61a9c4be90d7fbb840da16723d5d73c88ee88f2c2797b88b252b39a37242e79231428f2c82e7f58cb4943c909f5324c68ede63bb2c40145558278c

  • C:\Users\Admin\AppData\Local\Temp\7zS7FDB.tmp\GbeIR21Tn9SypZi.dat
    Filesize

    1KB

    MD5

    f13980a84a6450bd3c1e28371bc8e632

    SHA1

    b1de3684d2d9776c410a1c47265487d6efe7b48f

    SHA256

    4d0dbd641cd5a83168570389060a7d0509b4c6fe9387f6cee3cb9824ebafd8f8

    SHA512

    7b259cc8fa67a7c6b68d39f952e09fef022d93f271205608d2f4bf31406406a655e4d12bffc80e1948dc89a6dde285809b8793ebf6d4d005fafaefd403fe8157

  • C:\Users\Admin\AppData\Local\Temp\7zS7FDB.tmp\GbeIR21Tn9SypZi.exe
    Filesize

    760KB

    MD5

    dcd148f6f3af3e3b0935c4fcc9f41811

    SHA1

    ee9bdbc7c568c7832d90b85921ab20030b6734cd

    SHA256

    f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

    SHA512

    34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

  • C:\Users\Admin\AppData\Local\Temp\7zS7FDB.tmp\epknjhfkcknpbclimgjlhecpngdkacjk\aY.js
    Filesize

    6KB

    MD5

    2e3ce4249ea53c4e084cd4ad95766a43

    SHA1

    ca9778969fb021fe85031b31875b88fc988e8158

    SHA256

    937f0d24797d28c43cc95ab75e8667c03929a80eea077a1e7356b11adafe6010

    SHA512

    99b87a1df2a5a964e208183433b3129809ca83de88a4da228b1fd3f766c7e65d5c7b3e317749f14115bcb55b45e2ecaa6541bce037bdbad4cb3371151cb2c028

  • C:\Users\Admin\AppData\Local\Temp\7zS7FDB.tmp\epknjhfkcknpbclimgjlhecpngdkacjk\background.html
    Filesize

    139B

    MD5

    bf0eeae9c38255a00aa837ea7c2f02a7

    SHA1

    a6874cc2c5e172d620c86a2794a664ae91f7b4bf

    SHA256

    27b1526d3196bc863f848a8f2702f1fc8ec305c062f1d22aca6239d8fe653098

    SHA512

    61337b6d7694099c21919ebb048be463e731fc1b9503567c5795573cb9f997bc1fb03d4db26c2bfd78aa2143161fde1f6b0c3e269d50b831ec939ab9d674e8ad

  • C:\Users\Admin\AppData\Local\Temp\7zS7FDB.tmp\epknjhfkcknpbclimgjlhecpngdkacjk\content.js
    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zS7FDB.tmp\epknjhfkcknpbclimgjlhecpngdkacjk\lsdb.js
    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zS7FDB.tmp\epknjhfkcknpbclimgjlhecpngdkacjk\manifest.json
    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • \Users\Admin\AppData\Local\Temp\7zS7FDB.tmp\GbeIR21Tn9SypZi.exe
    Filesize

    760KB

    MD5

    dcd148f6f3af3e3b0935c4fcc9f41811

    SHA1

    ee9bdbc7c568c7832d90b85921ab20030b6734cd

    SHA256

    f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

    SHA512

    34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

  • memory/1888-56-0x0000000000000000-mapping.dmp
  • memory/1980-54-0x0000000075891000-0x0000000075893000-memory.dmp
    Filesize

    8KB