Analysis

  • max time kernel
    201s
  • max time network
    222s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 01:55

General

  • Target

    4a5689139d932422d019be6037970eafb92a2eb71bf531ca4dc70c7816860166.exe

  • Size

    932KB

  • MD5

    259190031ffd49e134e3e6d420d7c3b4

  • SHA1

    302a6827bd64766ec768c87fcfdaafa6532124b3

  • SHA256

    4a5689139d932422d019be6037970eafb92a2eb71bf531ca4dc70c7816860166

  • SHA512

    5371159b50425505dbb27f7c2c4bf520595d2778bc728d43b9420313eaf4b2c882da357373cdfd9a112af4a37b36d59c0af9f98bf0c37eb7bb7b67ab4d5bfdf1

  • SSDEEP

    24576:h1OYdaO/CZ/iWCvu/2sWsJA/jlt+DHhsa:h1OshCpYO/dJJDHhsa

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\4a5689139d932422d019be6037970eafb92a2eb71bf531ca4dc70c7816860166.exe
    "C:\Users\Admin\AppData\Local\Temp\4a5689139d932422d019be6037970eafb92a2eb71bf531ca4dc70c7816860166.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4928
    • C:\Users\Admin\AppData\Local\Temp\7zS7A21.tmp\GuhbGxR4500JK1E.exe
      .\GuhbGxR4500JK1E.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4884
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
    1⤵
      PID:2056
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
      1⤵
        PID:4700

      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\7zS7A21.tmp\[email protected]\bootstrap.js
        Filesize

        2KB

        MD5

        df13f711e20e9c80171846d4f2f7ae06

        SHA1

        56d29cda58427efe0e21d3880d39eb1b0ef60bee

        SHA256

        6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

        SHA512

        6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

      • C:\Users\Admin\AppData\Local\Temp\7zS7A21.tmp\[email protected]\chrome.manifest
        Filesize

        35B

        MD5

        43d21e51b22816047c8173b58be98de8

        SHA1

        432640de755e6b78eb1ca1a75d88fca04e69def5

        SHA256

        5f2f4e6e86b8f5abce509de2589eb8d62a4e444b03beda9e0b812467affa2655

        SHA512

        f734dd34ece50a4b0a7488c620c1af84632b3556a9189608a0792e9ddc42f61da312970eec6def8f436b1eaff9ba772f8fda1e9b597e0e540ed9c4e268b18a28

      • C:\Users\Admin\AppData\Local\Temp\7zS7A21.tmp\[email protected]\content\bg.js
        Filesize

        9KB

        MD5

        99eff0d388ee9a7cad85cf8e15bce6bf

        SHA1

        bf017e9adf25f129da6106a3b1632b3349c4925e

        SHA256

        77e7bac7d45627ce3f1f71f44292869ca1240cc640f9eb5cea5657c940e1facb

        SHA512

        8072ad28da2a8fb55c0b6459fdbf41644af8e8f3d183130d822815414f689f41c21b35b1766f73aeca579bc183f65d6f637f9bc4ea42d8bb6f9122f184324ea2

      • C:\Users\Admin\AppData\Local\Temp\7zS7A21.tmp\[email protected]\install.rdf
        Filesize

        597B

        MD5

        64162e7216400baebedf2e2334b94532

        SHA1

        88bc5531f71bcbe8281f0b1389a69d4816470a5e

        SHA256

        6d236aa0915808376e1fa4c793115a919059a5c19aca1a37f1675f76bb1377c7

        SHA512

        16946c35bec32752c9b833ece333ae5cde1270d06709ef0084e5d4603883ee0b879400d73a664fea15f1eedc867fcf7953be6a28959428a91cdea380ee907212

      • C:\Users\Admin\AppData\Local\Temp\7zS7A21.tmp\GuhbGxR4500JK1E.dat
        Filesize

        1KB

        MD5

        348952639f0c12ce563001c05d5a4628

        SHA1

        b4e6c38df086c2f41373d6f48c839a51c1b8da89

        SHA256

        979f62d5584921aa48ae37e84a01760c3359f7a88d5c3f54d252aff738a62773

        SHA512

        4e8ec70cefd2a098701ca6d98cf38dfac5a4587091b8f04bc30f8478bff6d61f5842c4b2ebc8f2945bbbff093c32e02a2b2031649f803aacf4c74088db48d4d0

      • C:\Users\Admin\AppData\Local\Temp\7zS7A21.tmp\GuhbGxR4500JK1E.exe
        Filesize

        772KB

        MD5

        5ed7019dcd0008dbcd8e54017b8c7dd9

        SHA1

        7e4457da2ff06c2170bad636c9eb7c1bb436fd06

        SHA256

        7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

        SHA512

        10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

      • C:\Users\Admin\AppData\Local\Temp\7zS7A21.tmp\GuhbGxR4500JK1E.exe
        Filesize

        772KB

        MD5

        5ed7019dcd0008dbcd8e54017b8c7dd9

        SHA1

        7e4457da2ff06c2170bad636c9eb7c1bb436fd06

        SHA256

        7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

        SHA512

        10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

      • C:\Users\Admin\AppData\Local\Temp\7zS7A21.tmp\gbhpknflpknnfkhfijikbjpoicbfmcbo\PNIUtZ.js
        Filesize

        6KB

        MD5

        0cd6285575666b7c51e4ea64d737ca99

        SHA1

        e8d71a07ca93237df167b55ea1f3c38de41af67d

        SHA256

        9c117eac6d5c7ad6c0595c2e9f5605a34735c48562d1303a0146829479601239

        SHA512

        f68e38275cbd08fe2ba90424509986eed205c7efc20b621a76e8fb849a58f2c915274ec56343cc26c6ce42adeb87716c5ce5ee85f0165531d6599ddb0f147df5

      • C:\Users\Admin\AppData\Local\Temp\7zS7A21.tmp\gbhpknflpknnfkhfijikbjpoicbfmcbo\background.html
        Filesize

        143B

        MD5

        6cc67448abdc9baf6c995dedcd9c3c7c

        SHA1

        aae8426595c1ac39cb2129a601fa668c6a21cb3d

        SHA256

        b2674559cbc07f4fcb0678b2a83858302df44bf91727b520430f2aa09fc79996

        SHA512

        0c1a001d8cbaddfecea32fd807d3785a02fecfe83bafc83d46d7da6e84a3ba55d4474ef701e351956082595bf7de6e1b634f4e480b33f3ae02cf077f03d47389

      • C:\Users\Admin\AppData\Local\Temp\7zS7A21.tmp\gbhpknflpknnfkhfijikbjpoicbfmcbo\content.js
        Filesize

        144B

        MD5

        fca19198fd8af21016a8b1dec7980002

        SHA1

        fd01a47d14004e17a625efe66cc46a06c786cf40

        SHA256

        332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

        SHA512

        60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

      • C:\Users\Admin\AppData\Local\Temp\7zS7A21.tmp\gbhpknflpknnfkhfijikbjpoicbfmcbo\lsdb.js
        Filesize

        531B

        MD5

        36d98318ab2b3b2585a30984db328afb

        SHA1

        f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

        SHA256

        ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

        SHA512

        6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

      • C:\Users\Admin\AppData\Local\Temp\7zS7A21.tmp\gbhpknflpknnfkhfijikbjpoicbfmcbo\manifest.json
        Filesize

        498B

        MD5

        640199ea4621e34510de919f6a54436f

        SHA1

        dc65dbfad02bd2688030bd56ca1cab85917a9937

        SHA256

        e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

        SHA512

        d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

      • memory/4884-132-0x0000000000000000-mapping.dmp