Analysis

  • max time kernel
    42s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 21:14

General

  • Target

    a5aa6b733b4f0e1a130eb762ce92fd73ef435265c396de7ba6c34de15260c601.exe

  • Size

    931KB

  • MD5

    0a6db050d0f2ee450da4c22413af0463

  • SHA1

    e84d4d0c1f8447797ace8241c5e308dd8d89a1bb

  • SHA256

    a5aa6b733b4f0e1a130eb762ce92fd73ef435265c396de7ba6c34de15260c601

  • SHA512

    6b540d0037b4d13e0fa2edc3852a42f84111384b6201735be6ae7325854148dd5c670d23050fd9b11a26837083b305797415b85b961c43d56ee38cd192a44fb4

  • SSDEEP

    24576:h1OYdaOxCZ/iWCvu/2sWsJA/jlt+DHhsq:h1OsbCpYO/dJJDHhsq

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\a5aa6b733b4f0e1a130eb762ce92fd73ef435265c396de7ba6c34de15260c601.exe
    "C:\Users\Admin\AppData\Local\Temp\a5aa6b733b4f0e1a130eb762ce92fd73ef435265c396de7ba6c34de15260c601.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1632
    • C:\Users\Admin\AppData\Local\Temp\7zSF4DB.tmp\kSjuFa6H1cgWLNN.exe
      .\kSjuFa6H1cgWLNN.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1124

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\7zSF4DB.tmp\[email protected]\bootstrap.js
    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zSF4DB.tmp\[email protected]\chrome.manifest
    Filesize

    35B

    MD5

    9d168a4405c18d9fef215e610b3753d7

    SHA1

    7acad42db8a8964c23f3b8cf22e2c9718ff1ca94

    SHA256

    f99aee7292206cc674307311077510d0938efd468baa0be6d653abb8b44fe5d1

    SHA512

    638550da8bac2f925bddea40c6aa28c3198c5c3ea179f57bba97993a39cbb7603c0346a89d725315bed423854593db092635bf6e8e018e82e75526a832b15570

  • C:\Users\Admin\AppData\Local\Temp\7zSF4DB.tmp\[email protected]\content\bg.js
    Filesize

    8KB

    MD5

    5d950d2b4c537bff814e837ceb78c5ab

    SHA1

    cad393ceeb92923735464c243be433a60dac464d

    SHA256

    7f23779c918acf057b38a3de28a5fed01653c226e02155d176e2d31c9ab218b5

    SHA512

    cfe117269ee7fc16792a08b56d5f0a16d5305104a5b4ae7914460de7fcf7e02d0a939171768ebb6204c95ade3c8acc298679aeda940e53d9dd3a6147be348b5b

  • C:\Users\Admin\AppData\Local\Temp\7zSF4DB.tmp\[email protected]\install.rdf
    Filesize

    596B

    MD5

    f65e91bd86545376df449b9f6225cfe1

    SHA1

    b494a0eb75ac2722cef3a76e1a612a97738b0de7

    SHA256

    4271e8a2eaeb13b6a9f583b464146f1ddfdc44084eac7d34565bb9f5a56e94da

    SHA512

    37e8c25b8d5ee1202c357d9fde87aa694000041453a79e5d0c2a400786010a055420c25e1ef6be6d02201610f2c26104d720e3ac09229dc2fe1e9d1ad1e9123d

  • C:\Users\Admin\AppData\Local\Temp\7zSF4DB.tmp\bigddbpmennelfkgbllpgcdcpmlbkofe\ZvhcCNTp.js
    Filesize

    6KB

    MD5

    264e609f57a9ae4fc5654f4f0282c84a

    SHA1

    7029d4654922197c55f9d677c203548a9f0efa24

    SHA256

    a5b22bd2cf0f235a05a913b9473d2f0c418f69e9da18a64d5b8d3c404f825d86

    SHA512

    28abfddc51a6e3ecb774bd2c6421b82a018281263191664d3dea6005ccbd3a69af1d4bd55946760861ce4989936c4589fccafb0463c616580cbc28c324b9c839

  • C:\Users\Admin\AppData\Local\Temp\7zSF4DB.tmp\bigddbpmennelfkgbllpgcdcpmlbkofe\background.html
    Filesize

    145B

    MD5

    b3c96992d5a3be71eb18a14df2f28b33

    SHA1

    e81dd9bf040f4ceeabc31d73b41ae62db6b695ad

    SHA256

    e7cdb67da0b00b1797a87a9098588ee6084c1735a7b011a588307784ffe328c8

    SHA512

    81079a7471559caa3eaaa578a3eddf0293bf26eae43212f37aad615b7b5ff848793ebcc5522afaa672d227fc8d30fda999351f93e6aa111c39821f7859ce9666

  • C:\Users\Admin\AppData\Local\Temp\7zSF4DB.tmp\bigddbpmennelfkgbllpgcdcpmlbkofe\content.js
    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zSF4DB.tmp\bigddbpmennelfkgbllpgcdcpmlbkofe\lsdb.js
    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zSF4DB.tmp\bigddbpmennelfkgbllpgcdcpmlbkofe\manifest.json
    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • C:\Users\Admin\AppData\Local\Temp\7zSF4DB.tmp\kSjuFa6H1cgWLNN.dat
    Filesize

    1KB

    MD5

    18328baa15db92120ec7287b955b2e28

    SHA1

    3ad0ac1ba6bd53e413019613fe33d0cee9cc97bf

    SHA256

    b58cb3a3a752d52a4521f11963706f0daca04904d411ae99dc05c82f820f6f8b

    SHA512

    5166684981caf4ab45d9e20c332a2a5c146411d952bff6904102d4f83d87f96a06da97eeba49d138e34f9b7fa998aa06b364279862da9e940bc16221af490500

  • C:\Users\Admin\AppData\Local\Temp\7zSF4DB.tmp\kSjuFa6H1cgWLNN.exe
    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • \Users\Admin\AppData\Local\Temp\7zSF4DB.tmp\kSjuFa6H1cgWLNN.exe
    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • memory/1124-56-0x0000000000000000-mapping.dmp
  • memory/1632-54-0x0000000076BA1000-0x0000000076BA3000-memory.dmp
    Filesize

    8KB