Analysis

  • max time kernel
    29s
  • max time network
    66s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 07:24

General

  • Target

    b6f764d1244b2e78282020c68ca81efec86f8e4c5c2c18d8536f2e8efa1d615c.exe

  • Size

    931KB

  • MD5

    bf344bccef8d9fff162489a3b17e1056

  • SHA1

    cd002f3b318dce9559cbf521203b77eda22ea9cb

  • SHA256

    b6f764d1244b2e78282020c68ca81efec86f8e4c5c2c18d8536f2e8efa1d615c

  • SHA512

    032ffd86a7ff041729759c00d92511f97ceff24b4e4dde391e864e1c9ff9db039990ca50aa8be4481b7ae87d57079bc55e2d368be7c5ce4badf3834bb0136a56

  • SSDEEP

    24576:h1OYdaO1MWSUbvCXEQKSqGv8VWumF6RmcJozyPvpfP:h1OsDMWyUQ+GUVFIcHPvpfP

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\b6f764d1244b2e78282020c68ca81efec86f8e4c5c2c18d8536f2e8efa1d615c.exe
    "C:\Users\Admin\AppData\Local\Temp\b6f764d1244b2e78282020c68ca81efec86f8e4c5c2c18d8536f2e8efa1d615c.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1420
    • C:\Users\Admin\AppData\Local\Temp\7zSF567.tmp\4mXfWpPrtrAO1dd.exe
      .\4mXfWpPrtrAO1dd.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1996

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\7zSF567.tmp\4mXfWpPrtrAO1dd.dat

    Filesize

    1KB

    MD5

    9cbb313d9038ac1b45fc0fd132068c29

    SHA1

    5f9b786e0b2f0b5ab59e5aaaac038a99125d92c7

    SHA256

    f4eb69e896df945c8587741b1e6b63bfed47f871af07793054f686d821619d9b

    SHA512

    d216d6e47101f1b1374a66823424333f92a06be20b4eb11b3de155336be61df1879021563677096bd514a4a0fc1f8c4725ff18bca3e1b4283d2e38bed8699df5

  • C:\Users\Admin\AppData\Local\Temp\7zSF567.tmp\4mXfWpPrtrAO1dd.exe

    Filesize

    771KB

    MD5

    e8ef8ed232808bfa240b33b376bb74a8

    SHA1

    b7ebfbda42fb24594210d3f97921c5b33b88585d

    SHA256

    a4265c00fc8eb9371329ddbc19e760b433ea9f4ab4e16d4d95682031940ad6c9

    SHA512

    24a4de7ba07c5712a94cb8334764b6d23799dc4bb7153acf4eb7289ec4577b79bc9bf4adf6e0c65b13441d7783314ec4d9a13a61cf447124c43c44ff55fa8ef8

  • C:\Users\Admin\AppData\Local\Temp\7zSF567.tmp\cbljbbdnfoekpccofeoejifedmhclfoc\Jtdl3.js

    Filesize

    6KB

    MD5

    4fa5ed393d192616fdc33608f1d94483

    SHA1

    361aefb5134013e8a88261282cd31f1435b37654

    SHA256

    fdebf6ff56e52ea5dda7306700b577fb902c5f846f17ab73ec14e0b4b59d58ef

    SHA512

    e091b8e64c074e3189509f90ce2553d05be31f2e698b2c1a910057e645f19b3872baa3dd9ef028f09a1056c5536c4a6ab1e406c6a8343606e55fb4ac2b25ce00

  • C:\Users\Admin\AppData\Local\Temp\7zSF567.tmp\cbljbbdnfoekpccofeoejifedmhclfoc\background.html

    Filesize

    142B

    MD5

    b42a263147501dc632fa40e252659efe

    SHA1

    49019e50c9dafd409d5daefd3c53a2748605a1f4

    SHA256

    a89786dd81849ced20297b0f5b0ae307693cbb79a3acd4809f7d4fe2770b7470

    SHA512

    f03467c4e125b1cf1ea7b3c326a9925f5d6189036f6ce0a65ab660a523b6df381fe9c8d227177eb616881327605eb56d9883c2cf3ed3b665cfac59068a638534

  • C:\Users\Admin\AppData\Local\Temp\7zSF567.tmp\cbljbbdnfoekpccofeoejifedmhclfoc\content.js

    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zSF567.tmp\cbljbbdnfoekpccofeoejifedmhclfoc\lsdb.js

    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zSF567.tmp\cbljbbdnfoekpccofeoejifedmhclfoc\manifest.json

    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • C:\Users\Admin\AppData\Local\Temp\7zSF567.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zSF567.tmp\[email protected]\chrome.manifest

    Filesize

    35B

    MD5

    e23fba3c19fa99a3d8d2c4b63fbc4b38

    SHA1

    e353d167cac36b10da6f0bc80df011e36e0bfff9

    SHA256

    11477f41d4259eaf61143f76374de2b2561f722657b387aa9de00de92cebdbea

    SHA512

    ca837a991ab6a33cc3e1cfa27a68573ee8d3bbc1a4ce94c2610077676e524e8aedce019705f80284dc365d6983dd51310edfbeb11381a0e59b1e1dd03b341565

  • C:\Users\Admin\AppData\Local\Temp\7zSF567.tmp\[email protected]\content\bg.js

    Filesize

    9KB

    MD5

    790941121c772b74ef5cee010c703a85

    SHA1

    514e3bae34ee17a2f84fd05fbd213bbf81c69232

    SHA256

    4d7505cad527736bd8e76215c9b9d99dc5d8d4f0250724a184de50dc2bdfd6d8

    SHA512

    cf20b095a1d0e544604be677bbef58ae5b79c442e00f0673629c70a8663d2c0c7e72034278a7ea31bedaa81bbd63621b4a31063b2446ad3fc2e9e2a08551a852

  • C:\Users\Admin\AppData\Local\Temp\7zSF567.tmp\[email protected]\install.rdf

    Filesize

    597B

    MD5

    535905bce91c53f7db62aa27f8cf1641

    SHA1

    81523e81bbd4d4cdb4fc71a3e50ccf526a13dc00

    SHA256

    0fb0955cb9662ec8f065006454ce45fb49a51e834399f72968104507ed195878

    SHA512

    78776559cb588f5bce62d28409b47778fc7afb50defd80d4d2958a4c96955f284807ddc3ae76c0276c10d11a35a4b7a4f130815eba2975ca5bdb478284fdb0bb

  • \Users\Admin\AppData\Local\Temp\7zSF567.tmp\4mXfWpPrtrAO1dd.exe

    Filesize

    771KB

    MD5

    e8ef8ed232808bfa240b33b376bb74a8

    SHA1

    b7ebfbda42fb24594210d3f97921c5b33b88585d

    SHA256

    a4265c00fc8eb9371329ddbc19e760b433ea9f4ab4e16d4d95682031940ad6c9

    SHA512

    24a4de7ba07c5712a94cb8334764b6d23799dc4bb7153acf4eb7289ec4577b79bc9bf4adf6e0c65b13441d7783314ec4d9a13a61cf447124c43c44ff55fa8ef8

  • memory/1420-54-0x00000000767B1000-0x00000000767B3000-memory.dmp

    Filesize

    8KB

  • memory/1996-56-0x0000000000000000-mapping.dmp