Analysis

  • max time kernel
    180s
  • max time network
    211s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 12:18

General

  • Target

    b7a261543c2aa43c18f99ff4a3dad4ff2a8055aa8e304b1d671738d81e46d5da.exe

  • Size

    931KB

  • MD5

    e3b23581b988c98baf50069c705c7798

  • SHA1

    ba5273e113ac2abf179d34d0243a6ffb7651e465

  • SHA256

    b7a261543c2aa43c18f99ff4a3dad4ff2a8055aa8e304b1d671738d81e46d5da

  • SHA512

    59c61020dfe3108d154671ca8cac0de07dbd09de4e82324616ff324d5dba5212136fc163813e8d0e2cdb35492d1de056abf571aa0120ad5b6ad472e63533f6e9

  • SSDEEP

    24576:h1OYdaOcfzeSfzeVMWSUbvCXEQKSqGv8VWumF6RmcJozyPvpfr:h1OsBMWyUQ+GUVFIcHPvpfr

Malware Config

Signatures

  • Executes dropped EXE 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 5 IoCs
  • Drops file in System32 directory 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b7a261543c2aa43c18f99ff4a3dad4ff2a8055aa8e304b1d671738d81e46d5da.exe
    "C:\Users\Admin\AppData\Local\Temp\b7a261543c2aa43c18f99ff4a3dad4ff2a8055aa8e304b1d671738d81e46d5da.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1684
    • C:\Users\Admin\AppData\Local\Temp\7zS703E.tmp\Wmxjy8rDu5cJVQW.exe
      .\Wmxjy8rDu5cJVQW.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2416
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
    1⤵
      PID:3968
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
      1⤵
        PID:1188

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\7zS703E.tmp\Wmxjy8rDu5cJVQW.dat

        Filesize

        1KB

        MD5

        179ff09bbf1348fcf9a3e0b8acf57ef4

        SHA1

        fd02c597c6820f9e3e19cd67db3ecdbb7cd04b9f

        SHA256

        fec8add1db9af821a97dc33e0e92edf2878e5343c8a86882a22b452b4ba79281

        SHA512

        2c5c3f29f353b667c02d99a212c30e6bb7c8ab092a2281b81eb6b0cba8c3290c007771ac9392d18b6815cde291f8cb86eb38552bad7cbea3490f70400bee9f26

      • C:\Users\Admin\AppData\Local\Temp\7zS703E.tmp\Wmxjy8rDu5cJVQW.exe

        Filesize

        771KB

        MD5

        e8ef8ed232808bfa240b33b376bb74a8

        SHA1

        b7ebfbda42fb24594210d3f97921c5b33b88585d

        SHA256

        a4265c00fc8eb9371329ddbc19e760b433ea9f4ab4e16d4d95682031940ad6c9

        SHA512

        24a4de7ba07c5712a94cb8334764b6d23799dc4bb7153acf4eb7289ec4577b79bc9bf4adf6e0c65b13441d7783314ec4d9a13a61cf447124c43c44ff55fa8ef8

      • C:\Users\Admin\AppData\Local\Temp\7zS703E.tmp\Wmxjy8rDu5cJVQW.exe

        Filesize

        771KB

        MD5

        e8ef8ed232808bfa240b33b376bb74a8

        SHA1

        b7ebfbda42fb24594210d3f97921c5b33b88585d

        SHA256

        a4265c00fc8eb9371329ddbc19e760b433ea9f4ab4e16d4d95682031940ad6c9

        SHA512

        24a4de7ba07c5712a94cb8334764b6d23799dc4bb7153acf4eb7289ec4577b79bc9bf4adf6e0c65b13441d7783314ec4d9a13a61cf447124c43c44ff55fa8ef8

      • C:\Users\Admin\AppData\Local\Temp\7zS703E.tmp\ahmmabpecjcbbfjeoapcnoglpfjeomle\T9HcKP9.js

        Filesize

        6KB

        MD5

        c6a57edf4e4ae674faec9541270b2e16

        SHA1

        41437078cbbdd83034f05b8223242c99376171fb

        SHA256

        2730e2d8491987aeb27722b72fbea61022aec9e09c303531ce51c9895a224bff

        SHA512

        7bc92a0164f39d0644646de39c996f84d3a65ea195e45720f9fbbf7c98ca49faa40a795c549fb482d7adc1085c2d704779dcce0087e7a63022c03814e0f71cb9

      • C:\Users\Admin\AppData\Local\Temp\7zS703E.tmp\ahmmabpecjcbbfjeoapcnoglpfjeomle\background.html

        Filesize

        144B

        MD5

        8530fde42aa017bc4c0dae7575183843

        SHA1

        a1fe968906447a9bf8bec85392ee935d7230bc55

        SHA256

        c5b655b23bb5ce0fc099aa50002f8180cea25dc2eb5ced0d5586d8f3d7c7744c

        SHA512

        d7db7063f6ebf1a13f7b7603f8af71ef5b8d77f315ee0eba16f5556c394be92da05c8f634e908b085a9e3bd9669426b190e7ecadc11b3cd4e5bb609a27e80459

      • C:\Users\Admin\AppData\Local\Temp\7zS703E.tmp\ahmmabpecjcbbfjeoapcnoglpfjeomle\content.js

        Filesize

        144B

        MD5

        fca19198fd8af21016a8b1dec7980002

        SHA1

        fd01a47d14004e17a625efe66cc46a06c786cf40

        SHA256

        332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

        SHA512

        60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

      • C:\Users\Admin\AppData\Local\Temp\7zS703E.tmp\ahmmabpecjcbbfjeoapcnoglpfjeomle\lsdb.js

        Filesize

        531B

        MD5

        36d98318ab2b3b2585a30984db328afb

        SHA1

        f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

        SHA256

        ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

        SHA512

        6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

      • C:\Users\Admin\AppData\Local\Temp\7zS703E.tmp\ahmmabpecjcbbfjeoapcnoglpfjeomle\manifest.json

        Filesize

        498B

        MD5

        640199ea4621e34510de919f6a54436f

        SHA1

        dc65dbfad02bd2688030bd56ca1cab85917a9937

        SHA256

        e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

        SHA512

        d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

      • C:\Users\Admin\AppData\Local\Temp\7zS703E.tmp\[email protected]\bootstrap.js

        Filesize

        2KB

        MD5

        df13f711e20e9c80171846d4f2f7ae06

        SHA1

        56d29cda58427efe0e21d3880d39eb1b0ef60bee

        SHA256

        6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

        SHA512

        6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

      • C:\Users\Admin\AppData\Local\Temp\7zS703E.tmp\[email protected]\chrome.manifest

        Filesize

        35B

        MD5

        422b54eca8fecca7936e3f5c2178ee2b

        SHA1

        bfdc80e152cdbca96d228242bd9a54ec7c272ccd

        SHA256

        3b42de89a1a84bd67daf9b54b8392d750efe668240647f1bd819677ae8e70aa5

        SHA512

        ab6119d0f1e2dfcb9b605a9a831a667bbac5eedbf4a5c4ddd5ce0571c102e846bdbdde5782cab4ecff52a1418727b3750e5447c60c2e145089d0fa91e04d73bd

      • C:\Users\Admin\AppData\Local\Temp\7zS703E.tmp\[email protected]\content\bg.js

        Filesize

        9KB

        MD5

        95046bc47ef82a6f246ad64ca94121d2

        SHA1

        2fe60c2628c6eadf11babf238db4d89bba59f9c5

        SHA256

        9576371c8b46b335bf07935e01a65c5f0787019c9f9c57c22051b0066dc8b99c

        SHA512

        43d8df202352ad08a074e1628e7085ee1d65855b6744afd94349282349afc8194537f5c148ba9423537f187836a9e26eeec518f922b177369019e3aefb4cc32d

      • C:\Users\Admin\AppData\Local\Temp\7zS703E.tmp\[email protected]\install.rdf

        Filesize

        592B

        MD5

        49b14dded12a5c56ffa4d9d9872a4b96

        SHA1

        2d3703582abc4f14518c628e2cce77dc3ba8e410

        SHA256

        6332650688500154a6dbd6f317978015144dec0b17c0bc9d33b69009a5e16862

        SHA512

        115eb2495dfbc8da14122e1e3e4b03f7a1c1db666a66e772e2e9d72b28470bdf0bab66123dd21c9ccfaba2e31cf24a95ca559032422658bd1315ac001a420501

      • memory/2416-133-0x0000000000000000-mapping.dmp