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Analysis

  • max time kernel
    10s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29/11/2022, 11:34

General

  • Target

    7f848b22152405c62c8c4513f0658288deacf7a4a2bef2429a8c756f08d11d65.exe

  • Size

    245KB

  • MD5

    01ecd7b2ebd9eaee2494ecfeb4dce3f4

  • SHA1

    a22836e537394067bf5b4c9324147d47ef837722

  • SHA256

    7f848b22152405c62c8c4513f0658288deacf7a4a2bef2429a8c756f08d11d65

  • SHA512

    d534ec232e161f4da5f605053baeab9996e71faee210f3cca7697882e203d5254ab2128c13fe7945ceccfd212a3584d304b86ab3a71898c0f4c33a8ab16f0a84

  • SSDEEP

    6144:h1OgDPdkBAFZWjadD4s58eim56OknpAngq6x:h1OgLdaO8jGK476x

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 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.

  • Installs/modifies Browser Helper Object 2 TTPs 4 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • NSIS installer 8 IoCs
  • Modifies registry class 63 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7f848b22152405c62c8c4513f0658288deacf7a4a2bef2429a8c756f08d11d65.exe
    "C:\Users\Admin\AppData\Local\Temp\7f848b22152405c62c8c4513f0658288deacf7a4a2bef2429a8c756f08d11d65.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2032
    • C:\Users\Admin\AppData\Local\Temp\7zS7F8D.tmp\507afd531443e.exe
      .\507afd531443e.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:1776

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\7zS7F8D.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    b89d6467aec16a07c806dc0230cf93e7

    SHA1

    b2fa6c2508017ab66aa74331d4e4e9d6d105e257

    SHA256

    9a8ad064ce93eec7ec4ba3ef0b60a58ac655b4b3330d12918159b5632fc1c3a3

    SHA512

    01a8522af60f939c3dc53aac0448040dfc30e59c90c03807d194307ea660a31f6e4f76e9d5ea6a2b480d59fae66ebe892017ef574af90cfe6a44ec1f0d5ced79

  • C:\Users\Admin\AppData\Local\Temp\7zS7F8D.tmp\[email protected]\chrome.manifest

    Filesize

    116B

    MD5

    3d4b7d8c064363d168f7a20b7f2f3922

    SHA1

    83af94b00093624c527b5b65cf088841bd3117a4

    SHA256

    8c9bd7114593b82333280b675a20af5d48f574b509d1abda39e2d496bbd6906a

    SHA512

    cdc4f0f4eccf87d8b44043050540b91a898200141fb76385a46cf5d6198b7973fcc733751241b93e0b763d100bffa54ce9aab33889737ed5c62a77115f7f503f

  • C:\Users\Admin\AppData\Local\Temp\7zS7F8D.tmp\[email protected]\content\bg.js

    Filesize

    8KB

    MD5

    9b435955881c950ea178c033fa769a3e

    SHA1

    7e435d31663ded81da299413b8453f428ff1bea2

    SHA256

    d9ab5bef3d7eadeb4d0998eea9d48a5b42b265e276bb5fc504867c53166d080e

    SHA512

    f8fb01be4313319adff0fe211d586f967ea50376ddf8d64721e301f8f038651101938e6fdf4ea7cf34c613d4cc23fb60a81421e3bf55de82cc16332c66304ecb

  • C:\Users\Admin\AppData\Local\Temp\7zS7F8D.tmp\[email protected]\content\zy.xul

    Filesize

    225B

    MD5

    610f99cba188182ac31576521cf62342

    SHA1

    1a2077795c5f5693b0e005bd4454aca8fd0aad5b

    SHA256

    709be791b22eda6d1adbce2f845d6b00691c5c90b8a7294b4c18cecda984a9b7

    SHA512

    67e72aaef900211196b1e011084d1acd0225b4cac3bd52db11222cf3aa6d999d314cb59c45430e3340cb7f670793d2a05ec76ed706ac771be58025a37f06ed90

  • C:\Users\Admin\AppData\Local\Temp\7zS7F8D.tmp\[email protected]\install.rdf

    Filesize

    700B

    MD5

    fcfc7de707c80e7bdfd242b82b8acbce

    SHA1

    36c5f72ce59f6771f4ea45f85c6026c8c879c4fb

    SHA256

    27c25bc39d75f25d7695d49b93daa6d34d14de183cf7140ab8267062a286892e

    SHA512

    397e385bd0168f1850c88a320408e3db9a5be8b9ca26ed4a302f99554e072563323c11302665c9658b1f05d9074ab29132614a572d5c35bbd67094def0d3ecf9

  • C:\Users\Admin\AppData\Local\Temp\7zS7F8D.tmp\507afd531443e.exe

    Filesize

    65KB

    MD5

    6fce522ef2543f1cd8812f45c8718ba6

    SHA1

    270c89c05963c0f24f976f6b75aa4d12ade4c837

    SHA256

    d75c34545066eb787ed671c6d4ce4f4c6267637518ca683dfefb79f95f14226b

    SHA512

    a0a486b95aeb9c059f23e639e16abdbfe94b041f33309b44e95743bf5a82f92d3c444c025b6c36a0dc296add3c2bc4f6affcf130014f16968be0afa8e0007880

  • C:\Users\Admin\AppData\Local\Temp\7zS7F8D.tmp\507afd531443e.exe

    Filesize

    65KB

    MD5

    6fce522ef2543f1cd8812f45c8718ba6

    SHA1

    270c89c05963c0f24f976f6b75aa4d12ade4c837

    SHA256

    d75c34545066eb787ed671c6d4ce4f4c6267637518ca683dfefb79f95f14226b

    SHA512

    a0a486b95aeb9c059f23e639e16abdbfe94b041f33309b44e95743bf5a82f92d3c444c025b6c36a0dc296add3c2bc4f6affcf130014f16968be0afa8e0007880

  • C:\Users\Admin\AppData\Local\Temp\7zS7F8D.tmp\507afd5314477.ocx

    Filesize

    126KB

    MD5

    d637295a8426c7c4a8e9ef3e584839a2

    SHA1

    55b64f53328498d22d269de2e65be2feeba7da00

    SHA256

    5cbd7f4b8f991ccab51cfc1fd0a5437013c5196f3c636632d691103aa3708adb

    SHA512

    f60f908b9f0efd4762255c9c71559bbd554714170262dd556353ddda55789d21cc3a8ade239cdf51da38dfa4e92714749c217095bccac19590ef8347ca501c8c

  • C:\Users\Admin\AppData\Local\Temp\7zS7F8D.tmp\507afd53144af.html

    Filesize

    4KB

    MD5

    fde4d065e3ef197cd5d511ddc1f62883

    SHA1

    d97b2392a9955e33d947188f00dc5d7e18210b15

    SHA256

    e666f5103980af22efc98dc9ef9ecd5506156fb98eeb94fe5a69a615e64c5861

    SHA512

    743d30d1abceb783c31eabcf39ecca3045bb523cf2b8d951cda825fe35fbf1ecf0ac09f5782a6aadc974c78f8517c4d0849d310a5d2acf3c5b6d11fd65fb8d78

  • C:\Users\Admin\AppData\Local\Temp\7zS7F8D.tmp\507afd53144e8.js

    Filesize

    9B

    MD5

    99fa5d714d971a49b67de27e0d8871be

    SHA1

    d0621e846ea60fa8d0b2c8e622e495af49cd7359

    SHA256

    f560d76474380da948a0c5ab8682dc026822d9685268c592f315224b1b968bf6

    SHA512

    2fec19e4f2a974227922a7e057890141523ae73fbfa127f9e8cd00dff71b29abb93cb865c6d74ecf3df8bca440c558d4fbf2f80e82cc9636320ab5edb95ebad5

  • C:\Users\Admin\AppData\Local\Temp\7zS7F8D.tmp\ooefhklnjlmdkjfccagnbogenbklcmha.crx

    Filesize

    7KB

    MD5

    a177d17872a477f420f2d0c9063485aa

    SHA1

    eefefd8abf50db32bee5861293b165f22b3df2c3

    SHA256

    019df8ff62e9e662120451024e129a6bf7817fd809f094fb3bbcc09b7ae7aff8

    SHA512

    81d2c034285a46e9dd378f08538947766c99eb1f145f2028ce105bf8b6f7d40380a824e0eae74a59adfd3a2dd11099425a556e1e5c9a924685fd35dbb1d228d9

  • C:\Users\Admin\AppData\Local\Temp\7zS7F8D.tmp\settings.ini

    Filesize

    882B

    MD5

    634671c6d12c6ca19a78786988e6bdba

    SHA1

    a210e83c8e320b408c9b8922b632c64031c2de6d

    SHA256

    aeda8ac401a84c9fbab4b0f4fc0fa2d189cef8dbdd5e0b332bd7bf300fd807ec

    SHA512

    aa6ebe6990cde9d0c7361c7cbc06f8fffddf22cb5b49cfb9e2502d4ed38c801b9118c5bb9f48852fb3ef181631ef76b9d78fadf440b0382295401ff9d0b4e6aa

  • \ProgramData\Bcool\507afd5314477.ocx

    Filesize

    126KB

    MD5

    d637295a8426c7c4a8e9ef3e584839a2

    SHA1

    55b64f53328498d22d269de2e65be2feeba7da00

    SHA256

    5cbd7f4b8f991ccab51cfc1fd0a5437013c5196f3c636632d691103aa3708adb

    SHA512

    f60f908b9f0efd4762255c9c71559bbd554714170262dd556353ddda55789d21cc3a8ade239cdf51da38dfa4e92714749c217095bccac19590ef8347ca501c8c

  • \ProgramData\Bcool\uninstall.exe

    Filesize

    48KB

    MD5

    602aa39f9ab3b6685bee71c67dc485c5

    SHA1

    69cd0d6f9ce55a5e5d3d3559d31422303dc6def1

    SHA256

    d8fb9c21b350a06449c7e6934a3c2d971d20851ce73938bbc5f79349f970721c

    SHA512

    3bb5a0bf89da8993ae2801b41f7644ec39fc418ac0553bc67ed4f36ad413f3c2237ff9bcdd4a1ca64ad546b30e6445d3f6f1fa3af0f34faf1841da306e81ea94

  • \Users\Admin\AppData\Local\Temp\7zS7F8D.tmp\507afd531443e.exe

    Filesize

    65KB

    MD5

    6fce522ef2543f1cd8812f45c8718ba6

    SHA1

    270c89c05963c0f24f976f6b75aa4d12ade4c837

    SHA256

    d75c34545066eb787ed671c6d4ce4f4c6267637518ca683dfefb79f95f14226b

    SHA512

    a0a486b95aeb9c059f23e639e16abdbfe94b041f33309b44e95743bf5a82f92d3c444c025b6c36a0dc296add3c2bc4f6affcf130014f16968be0afa8e0007880

  • \Users\Admin\AppData\Local\Temp\nsd8190.tmp\UserInfo.dll

    Filesize

    4KB

    MD5

    7579ade7ae1747a31960a228ce02e666

    SHA1

    8ec8571a296737e819dcf86353a43fcf8ec63351

    SHA256

    564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

    SHA512

    a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

  • memory/2032-54-0x0000000075DF1000-0x0000000075DF3000-memory.dmp

    Filesize

    8KB