Analysis

  • max time kernel
    136s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 21:16

General

  • Target

    a4f5a235685d0ad2c1f02c804cddd5de62ef5861e3e8dc8752e6e8beb4093efc.exe

  • Size

    931KB

  • MD5

    7ddf746316b4bb54decc00b79b942b51

  • SHA1

    3fcc512e262fbed42ef1be41940f32ebbc532534

  • SHA256

    a4f5a235685d0ad2c1f02c804cddd5de62ef5861e3e8dc8752e6e8beb4093efc

  • SHA512

    ab71363dea0c38eae576f467b58b4f02661ec6a34d9568e3998d9cf1ef33a0f6867b3aded32e2b0f6f8d030f5613c613b144c8c4be448b629ffcc2916f47d943

  • SSDEEP

    24576:h1OYdaOfCZ/iWCvu/2sWsJA/jlt+DHhs9:h1OsJCpYO/dJJDHhs9

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\a4f5a235685d0ad2c1f02c804cddd5de62ef5861e3e8dc8752e6e8beb4093efc.exe
    "C:\Users\Admin\AppData\Local\Temp\a4f5a235685d0ad2c1f02c804cddd5de62ef5861e3e8dc8752e6e8beb4093efc.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4308
    • C:\Users\Admin\AppData\Local\Temp\7zSF2A2.tmp\v2uKEyGtO51l18W.exe
      .\v2uKEyGtO51l18W.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:396
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
    1⤵
      PID:4204
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
      1⤵
        PID:1756

      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\7zSF2A2.tmp\iakpgmgecdmcokgalmkkkdjhlejinpgm\background.html
        Filesize

        143B

        MD5

        3a0d5c7a2dab6637d2e66633787cfc40

        SHA1

        346c7de27ead2a869a2b1bdfd9a2d8b338ae2caf

        SHA256

        b90a10ee8c5140804a7791df2388cf1d502ef54127d3eccd29b7a6ddedaad3e0

        SHA512

        cdf15e79712a213582e8c406d9990865af79f39f276f802d7fe93edee1dcbcdb99ac53fe48a782d81877256ffdd6d1df1c6c38970e62435236c2eac34bf7de35

      • C:\Users\Admin\AppData\Local\Temp\7zSF2A2.tmp\iakpgmgecdmcokgalmkkkdjhlejinpgm\content.js
        Filesize

        144B

        MD5

        fca19198fd8af21016a8b1dec7980002

        SHA1

        fd01a47d14004e17a625efe66cc46a06c786cf40

        SHA256

        332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

        SHA512

        60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

      • C:\Users\Admin\AppData\Local\Temp\7zSF2A2.tmp\iakpgmgecdmcokgalmkkkdjhlejinpgm\lsdb.js
        Filesize

        531B

        MD5

        36d98318ab2b3b2585a30984db328afb

        SHA1

        f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

        SHA256

        ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

        SHA512

        6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

      • C:\Users\Admin\AppData\Local\Temp\7zSF2A2.tmp\iakpgmgecdmcokgalmkkkdjhlejinpgm\manifest.json
        Filesize

        498B

        MD5

        640199ea4621e34510de919f6a54436f

        SHA1

        dc65dbfad02bd2688030bd56ca1cab85917a9937

        SHA256

        e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

        SHA512

        d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

      • C:\Users\Admin\AppData\Local\Temp\7zSF2A2.tmp\iakpgmgecdmcokgalmkkkdjhlejinpgm\ug6ZxB.js
        Filesize

        6KB

        MD5

        5995fe94cd0788be3144a39a9e0ac7b6

        SHA1

        919bca2a4748fe45c72c2d5a9ade3c97753948f9

        SHA256

        763742c258234da13637f85849e81d5e473fb44fc0152a6b99ab46341d52c239

        SHA512

        d72761045565fa3f009b5735e92b1e28b47809e6a276fbc2001dcb8448b279cbfc18387bebda338fd7456484eebdb392a421fd8c01f57a6da85a6bf1ab0c8a1a

      • C:\Users\Admin\AppData\Local\Temp\7zSF2A2.tmp\[email protected]\bootstrap.js
        Filesize

        2KB

        MD5

        df13f711e20e9c80171846d4f2f7ae06

        SHA1

        56d29cda58427efe0e21d3880d39eb1b0ef60bee

        SHA256

        6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

        SHA512

        6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

      • C:\Users\Admin\AppData\Local\Temp\7zSF2A2.tmp\[email protected]\chrome.manifest
        Filesize

        35B

        MD5

        f196e516464d06402b82ece54e4125dc

        SHA1

        aebc93b4c601c5282328a78bc8d6fe43e9935f01

        SHA256

        fa1a6a582b63d76efa70cf988a1dc4101ee544b466f6f692e036d5fb843df709

        SHA512

        7cb1c250ef27715a623cd648bef728eea33642870debb60daa6aa98683b1facbe414fc54f9b1d54ab817986446d9d08e5b3af6ca2e1ad33c42e44504eed13d63

      • C:\Users\Admin\AppData\Local\Temp\7zSF2A2.tmp\[email protected]\content\bg.js
        Filesize

        8KB

        MD5

        71145866b38fe3d4bc82787e395ce733

        SHA1

        187ed438e95c0c058bbb601ebed0cbc3a8e5ab71

        SHA256

        d5c71bfa988f67753fae2791c5fc7946903f7886fb5e6858980557a146573135

        SHA512

        400cfbd63a3c884ac55a95e9a5fbe451efee55528706d17c1fb8a8d83177d1a2d4c5c7ff07a5882c3dc5c0d00f8e5681ec1b754b8c999030fc87800a1fee6103

      • C:\Users\Admin\AppData\Local\Temp\7zSF2A2.tmp\[email protected]\install.rdf
        Filesize

        591B

        MD5

        cdb33c13a98831c537ae3c15464ec996

        SHA1

        d70f107a25d47ea5e6e2742d70b87cd75adf9383

        SHA256

        9e856fc99bc9af37404436d0eaea364c8d4283702a83cd6882f2cb45d23d9b8f

        SHA512

        24a16e51e45832d28068e40dd1f366fc37665d97cd54cd63a2bae829f0f8f8aeef6ef32ae5b605011619376f6638c7df80195dd4808139cff50550e522380b61

      • C:\Users\Admin\AppData\Local\Temp\7zSF2A2.tmp\v2uKEyGtO51l18W.dat
        Filesize

        1KB

        MD5

        81f22efc3bf88772a2e6de65c10eaaa9

        SHA1

        993f76f62a1025a0a25c17ba0b680f362f99506f

        SHA256

        9a9f3196abfd795384ba6dba73d7dda6c5bae83a334644b8b422ff77dd8cf9f6

        SHA512

        04eec11e85b0360c759aee3a8e6c94c27951dbc1e6d5e840214e22592bdc6fbc214d671a3ed290d277d1433d11367d2b7654e47c4d7c7e667d65aa5d77361392

      • C:\Users\Admin\AppData\Local\Temp\7zSF2A2.tmp\v2uKEyGtO51l18W.exe
        Filesize

        772KB

        MD5

        5ed7019dcd0008dbcd8e54017b8c7dd9

        SHA1

        7e4457da2ff06c2170bad636c9eb7c1bb436fd06

        SHA256

        7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

        SHA512

        10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

      • C:\Users\Admin\AppData\Local\Temp\7zSF2A2.tmp\v2uKEyGtO51l18W.exe
        Filesize

        772KB

        MD5

        5ed7019dcd0008dbcd8e54017b8c7dd9

        SHA1

        7e4457da2ff06c2170bad636c9eb7c1bb436fd06

        SHA256

        7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

        SHA512

        10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

      • memory/396-132-0x0000000000000000-mapping.dmp