Analysis

  • max time kernel
    128s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 21:13

General

  • Target

    a5f23d3dc65a363e179ca6ca03aca300cc6a469b0dd729d9521096bce7d6a45c.exe

  • Size

    931KB

  • MD5

    9cce242c6b1596b21fa75d63c100afca

  • SHA1

    ee9bd13555513eb9764744dd8148f474a8e9630e

  • SHA256

    a5f23d3dc65a363e179ca6ca03aca300cc6a469b0dd729d9521096bce7d6a45c

  • SHA512

    55f4362c776a25faf70d713cd5e0d4e4be653126877141dd2b2a990e709cc5d55d16b6bd348c2eb410d1100ddeb9b73a2cd977bc710e9a23b3848527c7f336b2

  • SSDEEP

    24576:h1OYdaO8CZ/iWCvu/2sWsJA/jlt+DHhsv:h1OsqCpYO/dJJDHhsv

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\a5f23d3dc65a363e179ca6ca03aca300cc6a469b0dd729d9521096bce7d6a45c.exe
    "C:\Users\Admin\AppData\Local\Temp\a5f23d3dc65a363e179ca6ca03aca300cc6a469b0dd729d9521096bce7d6a45c.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1572
    • C:\Users\Admin\AppData\Local\Temp\7zS9957.tmp\OlRJVcTmyVAZ7jT.exe
      .\OlRJVcTmyVAZ7jT.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2448
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
    1⤵
      PID:3004
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
      1⤵
        PID:1252

      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\7zS9957.tmp\[email protected]\bootstrap.js
        Filesize

        2KB

        MD5

        df13f711e20e9c80171846d4f2f7ae06

        SHA1

        56d29cda58427efe0e21d3880d39eb1b0ef60bee

        SHA256

        6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

        SHA512

        6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

      • C:\Users\Admin\AppData\Local\Temp\7zS9957.tmp\[email protected]\chrome.manifest
        Filesize

        35B

        MD5

        d1318ed8ebbe6aec187d6870d6c2aa89

        SHA1

        89776f7faa1016c6187a803b2138dfc4f7023c2d

        SHA256

        d69779f857cf0e2a606502e8f12bcfd8727c6fac233cd23479236ee2618c579c

        SHA512

        cbb2e2dd37c25f331d3cfd2adefab6ac33d03345bb1f7a3a5a6caab561817423fabd1dcc2a1b4ce05afbe56bb8ccb0d23eb30b7cc1a7d9d44a981d8826be8abf

      • C:\Users\Admin\AppData\Local\Temp\7zS9957.tmp\[email protected]\content\bg.js
        Filesize

        8KB

        MD5

        0e627c1d3e129089eb8a2c9083552390

        SHA1

        7e976b7103a2a2b528c7f85b1f62bc4a493c074c

        SHA256

        446f15b8bd32bd547987075936399278de47529c1b6283e7bc3b2abff40f06c4

        SHA512

        a29f6312c46e39a65c394f19961fdcc259fb2aebb71f255031478ca1c444d1279d836b89067713715a6b80ea0d34c5571fbb0b5f189148c50ce4d4b7d243eec0

      • C:\Users\Admin\AppData\Local\Temp\7zS9957.tmp\[email protected]\install.rdf
        Filesize

        593B

        MD5

        50ef0942928382383a7850cf0458a618

        SHA1

        60ea9f7a45ae38391e73630b3444f643d28745db

        SHA256

        09e58b334bb8e44b9a01b9b6e48a92819d92c3cb0719351db04e3a7389b991ee

        SHA512

        f09cedaf570ad98fb4a462127c9e17ed630d7cbeb923d44d623a5147511be25b8d03b233b39ef73f10778e784dc4fb9047b880f97ccf33bb24abbc641abf1d49

      • C:\Users\Admin\AppData\Local\Temp\7zS9957.tmp\OlRJVcTmyVAZ7jT.dat
        Filesize

        1KB

        MD5

        8cc310831a07f0069aee633abd34f2a3

        SHA1

        03eb9bfb8b37b9c19476b0419b2bb86fcf9695a5

        SHA256

        d276037b729d87e309dea041ef511ef96b52cc14449384a0132cce586fca9de7

        SHA512

        bfb14a0a7d0583c2ed1e0b54eb4d473efaf1362e1c76b47f8e7d89b98021b954d1a1abc8dd2e86abcc09e685b4fd08f5f7ba206744fe101e54065503f8c1e78b

      • C:\Users\Admin\AppData\Local\Temp\7zS9957.tmp\OlRJVcTmyVAZ7jT.exe
        Filesize

        772KB

        MD5

        5ed7019dcd0008dbcd8e54017b8c7dd9

        SHA1

        7e4457da2ff06c2170bad636c9eb7c1bb436fd06

        SHA256

        7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

        SHA512

        10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

      • C:\Users\Admin\AppData\Local\Temp\7zS9957.tmp\OlRJVcTmyVAZ7jT.exe
        Filesize

        772KB

        MD5

        5ed7019dcd0008dbcd8e54017b8c7dd9

        SHA1

        7e4457da2ff06c2170bad636c9eb7c1bb436fd06

        SHA256

        7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

        SHA512

        10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

      • C:\Users\Admin\AppData\Local\Temp\7zS9957.tmp\okpclnlgnkbijiimplnbpbnbiohbgekp\background.html
        Filesize

        141B

        MD5

        d980e84108bdb8976ba28fe63405b5fd

        SHA1

        7892c569d61af3ca33fadf8bc1a7dbfd46670602

        SHA256

        b54dd2b44106995e51b14e2bf06964997be69ed04dee5bd1ef739c5cce740cc7

        SHA512

        0d8564af14a74a96c1eb9342300dce95aa4ed9907cc7869f28cade2faac9760c0d099625c9383bac4291ff26039280aa10e8ba0b065c10e253f83c02aab156a1

      • C:\Users\Admin\AppData\Local\Temp\7zS9957.tmp\okpclnlgnkbijiimplnbpbnbiohbgekp\content.js
        Filesize

        144B

        MD5

        fca19198fd8af21016a8b1dec7980002

        SHA1

        fd01a47d14004e17a625efe66cc46a06c786cf40

        SHA256

        332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

        SHA512

        60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

      • C:\Users\Admin\AppData\Local\Temp\7zS9957.tmp\okpclnlgnkbijiimplnbpbnbiohbgekp\crw6.js
        Filesize

        6KB

        MD5

        2fdc1cf073e13a2d4cca46fe865a3a46

        SHA1

        f713072a308598a308713bc77e0da51946e274dc

        SHA256

        11d4d73a49531119becb731cb46dcdd931d9726f60eaff1bca4f2b22fa275703

        SHA512

        f96c01f93b9804ccf491d723539e034edd7d80cce940d176a7f4338fc857afa131316234f2995814c9072953436b0de4ceeff97a962a6f56a20bbc63f8de1bcd

      • C:\Users\Admin\AppData\Local\Temp\7zS9957.tmp\okpclnlgnkbijiimplnbpbnbiohbgekp\lsdb.js
        Filesize

        531B

        MD5

        36d98318ab2b3b2585a30984db328afb

        SHA1

        f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

        SHA256

        ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

        SHA512

        6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

      • C:\Users\Admin\AppData\Local\Temp\7zS9957.tmp\okpclnlgnkbijiimplnbpbnbiohbgekp\manifest.json
        Filesize

        498B

        MD5

        640199ea4621e34510de919f6a54436f

        SHA1

        dc65dbfad02bd2688030bd56ca1cab85917a9937

        SHA256

        e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

        SHA512

        d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

      • memory/2448-132-0x0000000000000000-mapping.dmp