Analysis

  • max time kernel
    42s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 07:15

General

  • Target

    afee5acbd19b9c7c45e3b6b70b77a8090ee3193d11e8d94bf2a91a44f0461860.exe

  • Size

    3.7MB

  • MD5

    2a289b314744e0067b030cf2f8adbd1e

  • SHA1

    7b56b5f1608f84a42393ca2780c29f501c59acff

  • SHA256

    afee5acbd19b9c7c45e3b6b70b77a8090ee3193d11e8d94bf2a91a44f0461860

  • SHA512

    7e792d4bf2056d3e7a1ad7c1973935dc03011c103bfcb0d643e6b0e147fdbd9236bb4ca92e6db6148a92f5fe95859280ff85c0e299534f716a899e61be931afb

  • SSDEEP

    49152:3XZ3+oBu85wkvzNCq0e2NATRB9BwGwddQLzFEk:Jxb5fvKLNKB3wddQLz

Malware Config

Signatures

  • Registers COM server for autorun 1 TTPs 4 IoCs
  • Loads dropped DLL 3 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 8 IoCs

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

  • Drops file in Program Files directory 8 IoCs
  • Modifies Internet Explorer settings 1 TTPs 8 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\afee5acbd19b9c7c45e3b6b70b77a8090ee3193d11e8d94bf2a91a44f0461860.exe
    "C:\Users\Admin\AppData\Local\Temp\afee5acbd19b9c7c45e3b6b70b77a8090ee3193d11e8d94bf2a91a44f0461860.exe"
    1⤵
    • Loads dropped DLL
    • Installs/modifies Browser Helper Object
    • Drops file in Program Files directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:1784
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32.exe /s "C:\Program Files (x86)\YoouTuBeADBBlooCke\j3NmJKlBwjBZlA.x64.dll"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2036
      • C:\Windows\system32\regsvr32.exe
        /s "C:\Program Files (x86)\YoouTuBeADBBlooCke\j3NmJKlBwjBZlA.x64.dll"
        3⤵
        • Registers COM server for autorun
        • Loads dropped DLL
        • Installs/modifies Browser Helper Object
        • Modifies Internet Explorer settings
        • Modifies registry class
        PID:1768

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Program Files (x86)\YoouTuBeADBBlooCke\j3NmJKlBwjBZlA.dat
    Filesize

    4KB

    MD5

    79070ace3f4139f7014ce83b950ad4fc

    SHA1

    90628e6f624eb6ed90316796f0533f04e1cf771b

    SHA256

    17a06fa7022cfbb14a40a3217f39bf6b78a7743b7d91c1e3809133352cca579b

    SHA512

    a6268041b31d773e21db53ef6e0ada5f49c942285a77a9f4f374e6f076c5076ab53ba09f52c0a0672ab4f43fb115bef927604005ab0fa52d5b2f4f3f872feb84

  • C:\Program Files (x86)\YoouTuBeADBBlooCke\j3NmJKlBwjBZlA.tlb
    Filesize

    3KB

    MD5

    04394c6fd86d2619f9ca279c405ce4fa

    SHA1

    75c975f51db8219dd89825408f9748ed557a271d

    SHA256

    c70e8100821466642b0df8f4e5c399ec9d9428f4b4716aef32eb96c1fd5d982b

    SHA512

    e7fb1ebd90d6570b81d3b3c4c903356bd3f619ed5197c67a10f5a1181f41eeb0f27ad5e2b02398f00da2c21055c29d5a1dc8b9e3a98003219eac8cfd2eaa7ca6

  • C:\Program Files (x86)\YoouTuBeADBBlooCke\j3NmJKlBwjBZlA.x64.dll
    Filesize

    695KB

    MD5

    778129815857ac62bb0c123b8b428189

    SHA1

    df269d9de71cfde97a5f156492aaba450e671287

    SHA256

    c76feac6ef5e2da002411d7bf90a1bb2ae6ac1eeaa8ba26d83851d54879005eb

    SHA512

    204feaaa4e592e6d57f54a4bc99bcd8b5b6e214e6936230fbf5dd8608d2c7f1b2fc16495221b1e7f8c5f6a0f19a3e62900a33e7852f86b07479023fc8048d8d7

  • \Program Files (x86)\YoouTuBeADBBlooCke\j3NmJKlBwjBZlA.dll
    Filesize

    614KB

    MD5

    c6b13b59b5326dd95e352027a180e42f

    SHA1

    16e02b4d300896d0384f5deed58a301191be0b8a

    SHA256

    a732d4f500b4df6cec5852bc4e8c7f8c64857b7c089637aca46643ecdd9f9a9f

    SHA512

    c24466afe116ce22c14e0e80348eb2f7ec2498a188605afd34cf1e51ad7bb018920dda997c88063f38e12ff4a0e0e627fdc5140b66d890b0c6862f441421bf8e

  • \Program Files (x86)\YoouTuBeADBBlooCke\j3NmJKlBwjBZlA.x64.dll
    Filesize

    695KB

    MD5

    778129815857ac62bb0c123b8b428189

    SHA1

    df269d9de71cfde97a5f156492aaba450e671287

    SHA256

    c76feac6ef5e2da002411d7bf90a1bb2ae6ac1eeaa8ba26d83851d54879005eb

    SHA512

    204feaaa4e592e6d57f54a4bc99bcd8b5b6e214e6936230fbf5dd8608d2c7f1b2fc16495221b1e7f8c5f6a0f19a3e62900a33e7852f86b07479023fc8048d8d7

  • \Program Files (x86)\YoouTuBeADBBlooCke\j3NmJKlBwjBZlA.x64.dll
    Filesize

    695KB

    MD5

    778129815857ac62bb0c123b8b428189

    SHA1

    df269d9de71cfde97a5f156492aaba450e671287

    SHA256

    c76feac6ef5e2da002411d7bf90a1bb2ae6ac1eeaa8ba26d83851d54879005eb

    SHA512

    204feaaa4e592e6d57f54a4bc99bcd8b5b6e214e6936230fbf5dd8608d2c7f1b2fc16495221b1e7f8c5f6a0f19a3e62900a33e7852f86b07479023fc8048d8d7

  • memory/1768-66-0x0000000000000000-mapping.dmp
  • memory/1768-67-0x000007FEFBA01000-0x000007FEFBA03000-memory.dmp
    Filesize

    8KB

  • memory/1784-54-0x00000000753C1000-0x00000000753C3000-memory.dmp
    Filesize

    8KB

  • memory/1784-55-0x00000000028E0000-0x0000000002981000-memory.dmp
    Filesize

    644KB

  • memory/2036-62-0x0000000000000000-mapping.dmp