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Analysis

  • max time kernel
    140s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    30/12/2023, 09:54

General

  • Target

    150cd612e03b6367513df71d47ae24db.exe

  • Size

    1.0MB

  • MD5

    150cd612e03b6367513df71d47ae24db

  • SHA1

    9f9e40900c07b27154f80640a07d5fd5e4983141

  • SHA256

    b3d19b69a733cabe5c029148116ff8a4dec8e116edc53aca2e9b2c85b968c484

  • SHA512

    d2487c159bea733e0e57da631b5a2e1abe2e843effaa82534fc1c92bddee059b5250893543963ed45051ca1304182ede88ba50481206c62f553098ca7f083f61

  • SSDEEP

    24576:h0wqqnqw4ZRj6p5O33pMdOXQj16DEgeDOfPTcmOUSaQij/Vc:h0wj3pypMcXG6XeD+PAmObaQWVc

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\CTS.exe
    "C:\Windows\CTS.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:2132
  • C:\Users\Admin\AppData\Local\Temp\PbvU8ZoBSzGmQVn.exe
    C:\Users\Admin\AppData\Local\Temp\PbvU8ZoBSzGmQVn.exe
    1⤵
    • Executes dropped EXE
    PID:2092
  • C:\Users\Admin\AppData\Local\Temp\150cd612e03b6367513df71d47ae24db.exe
    "C:\Users\Admin\AppData\Local\Temp\150cd612e03b6367513df71d47ae24db.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3020

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\PbvU8ZoBSzGmQVn.exe

    Filesize

    93KB

    MD5

    d4a83fac38c2c4efe791a7d874bac538

    SHA1

    a90496dd574ee806caea67100254cb9099e1ace2

    SHA256

    0805d8d61d237049c9577907a63ece596a4a640cdafbc7cd30ec288bd74a5b72

    SHA512

    c836644f7deeb307a331e071c9f04c1301f75ce59f5ecbafda750478ac55333b76811f26437fd9199c6256be606c4ff78196153e3ffa60e0134910067d605157

  • C:\Windows\CTS.exe

    Filesize

    29KB

    MD5

    70aa23c9229741a9b52e5ce388a883ac

    SHA1

    b42683e21e13de3f71db26635954d992ebe7119e

    SHA256

    9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

    SHA512

    be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

  • \Users\Admin\AppData\Local\Temp\PbvU8ZoBSzGmQVn.exe

    Filesize

    96KB

    MD5

    1c7e174d31c82d9ffa64ce1467b4c768

    SHA1

    3a591cd2b933e8e6d6d19c0249a17da8e5a1a914

    SHA256

    ea4af7417c06714e61de52de39f08b3341bddc01ff9aeaa25b5b299fbc3f747a

    SHA512

    fcf4ad7e4422669ddf19098d8d914b20b52a2286ecd9a6561e1be21f69e45c5e5475347af5a8c3da012fb8e13165527be69364fe000491ef535f348b5ee44dbe

  • memory/2132-14-0x00000000002E0000-0x00000000002F7000-memory.dmp

    Filesize

    92KB

  • memory/3020-11-0x0000000000D40000-0x0000000000D57000-memory.dmp

    Filesize

    92KB

  • memory/3020-7-0x00000000000E0000-0x00000000000F7000-memory.dmp

    Filesize

    92KB

  • memory/3020-0-0x0000000000D40000-0x0000000000D57000-memory.dmp

    Filesize

    92KB