Analysis

  • max time kernel
    43s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 19:33

General

  • Target

    c53071e4a5220c27d93ae9ecfd3796f66ae2f56055a4cc35b097898363f3e9a9.exe

  • Size

    931KB

  • MD5

    3494c77d0df20ea6780b91c81a689deb

  • SHA1

    19b945fa05913e6e61466375138ea373b6b33eea

  • SHA256

    c53071e4a5220c27d93ae9ecfd3796f66ae2f56055a4cc35b097898363f3e9a9

  • SHA512

    d48ca0e39a50f2ec096128cc099e89c67577b09bced265a23fe3ab324796fe05911389ac8afc8cd516f27a2057daef944e86e8e759e6d93f0a023fd458675ea9

  • SSDEEP

    24576:h1OYdaO5CZ/iWCvu/2sWsJA/jlt+DHhsz:h1Os3CpYO/dJJDHhsz

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\c53071e4a5220c27d93ae9ecfd3796f66ae2f56055a4cc35b097898363f3e9a9.exe
    "C:\Users\Admin\AppData\Local\Temp\c53071e4a5220c27d93ae9ecfd3796f66ae2f56055a4cc35b097898363f3e9a9.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1788
    • C:\Users\Admin\AppData\Local\Temp\7zS40.tmp\4Cr1Juw9ytUt2fk.exe
      .\4Cr1Juw9ytUt2fk.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:904

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\7zS40.tmp\4Cr1Juw9ytUt2fk.dat
    Filesize

    1KB

    MD5

    1049c53a5acc769f7408f9008abccf5f

    SHA1

    6db4e63fa32f7c7380bbc7aced82ae0bedbd790c

    SHA256

    a2e959561614b6e739c606a87c50b5b963c15d5ccaf4d9297fd04ba79d27877d

    SHA512

    7d8bf8f8776418129328be988f008a1c4fdb7585aa6311705d2374b9557c950d82dcd840846c75e0a95d8cf0d7877aa6d8f47f8254544dbdf42bb232b88f84c8

  • C:\Users\Admin\AppData\Local\Temp\7zS40.tmp\4Cr1Juw9ytUt2fk.exe
    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • C:\Users\Admin\AppData\Local\Temp\7zS40.tmp\[email protected]\bootstrap.js
    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zS40.tmp\[email protected]\chrome.manifest
    Filesize

    35B

    MD5

    a104265f2f71e6becdd966cd6605e4c9

    SHA1

    238c51df2c8cf1efaea515f711e6b770d1a53e37

    SHA256

    bfd8086e4ffbdcaff00fc94bd0a2fb72a0a9fdca6eea9905cd83aaf7a3a880b5

    SHA512

    ad9c669482832cff64635ac6d52296f4c494a9eef4ebc7def3881ee7f651d60eaaddb0fa7e332868f07b10981d9481b7f11d573dcdd54495ccd1304e22e56771

  • C:\Users\Admin\AppData\Local\Temp\7zS40.tmp\[email protected]\content\bg.js
    Filesize

    8KB

    MD5

    427669024758fefaede641856120f93c

    SHA1

    0eb0a561d5b0c198e21740e42be40bbe2dd854bb

    SHA256

    c5172145c276362294ab573700fdde68bd5bca0e82ab0baee6227e14c44acce0

    SHA512

    8c577c20c04c474651d9f9fe47e664c22fca9cdeaacdf909165dd0ee91943b6fa13178082c1737d0c8ff13e0237cb14b3a806e29b21e11526f70c235c0883a3a

  • C:\Users\Admin\AppData\Local\Temp\7zS40.tmp\[email protected]\install.rdf
    Filesize

    590B

    MD5

    eba0ea8fa53f55c971911db9f349d618

    SHA1

    e2a459e6b00240e90833592c9dc431e6344ce092

    SHA256

    56850f00884ba6b46dc4ee986c76afdf78e1a1ca70031cc9c6141eb706f499c2

    SHA512

    24693114b75fdc09f9f98ddd190f320159a2df883ae9ff487946cef40e6aa7dd766e91dffd69d2d26828ea56f6c074b9d725a0ad22bfb15e427d3643848d50e1

  • C:\Users\Admin\AppData\Local\Temp\7zS40.tmp\jeeecengpocgcfifkgdmjlkmfnkdakcf\background.html
    Filesize

    142B

    MD5

    21301bf131c6eecabc39edc6ac77c174

    SHA1

    008bd5d4661df6f6c23defcfc12b8e7c8e867b37

    SHA256

    ac8b9341b95596eca44f9f86432303036ca09c97c1966f30b74103a511140d9a

    SHA512

    85e017b2fdb6217509b693e535a0c8982a24d5046000dddf9583eff8c6e6797efd933b959e8e8c7d4f11ed79a016dde873085c130b595dd0e1971388799d49c6

  • C:\Users\Admin\AppData\Local\Temp\7zS40.tmp\jeeecengpocgcfifkgdmjlkmfnkdakcf\content.js
    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zS40.tmp\jeeecengpocgcfifkgdmjlkmfnkdakcf\hZVrk.js
    Filesize

    6KB

    MD5

    e04dab35c3084fe106089607cf54a644

    SHA1

    40ebe9d8fee57c03ff5aceee9acba29e398629c6

    SHA256

    aa490429fc7214509fcc43c589811e7d77dfab624c621be8a54cacbefb1c9817

    SHA512

    f9d69e193df393479b8b2fdcd0c503b54389a14841ca5cae0bc5e4aaaabd80b08449cd17aca02e7633954d0809c146d750710b5488d089733485bc833f79ddb6

  • C:\Users\Admin\AppData\Local\Temp\7zS40.tmp\jeeecengpocgcfifkgdmjlkmfnkdakcf\lsdb.js
    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zS40.tmp\jeeecengpocgcfifkgdmjlkmfnkdakcf\manifest.json
    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • \Users\Admin\AppData\Local\Temp\7zS40.tmp\4Cr1Juw9ytUt2fk.exe
    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • memory/904-56-0x0000000000000000-mapping.dmp
  • memory/1788-54-0x0000000076201000-0x0000000076203000-memory.dmp
    Filesize

    8KB