Analysis

  • max time kernel
    141s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    02/05/2024, 02:09

General

  • Target

    cdb4baa092585d42eede4b1898e47d83d58336a9a966a116e567dcd4734b7d01.exe

  • Size

    15.3MB

  • MD5

    07990c7b840b04a541b402034f5d04f2

  • SHA1

    6d4219c3183169b842e694bf4a0e908f2c2af5fc

  • SHA256

    cdb4baa092585d42eede4b1898e47d83d58336a9a966a116e567dcd4734b7d01

  • SHA512

    ffffdf9a4d6915fac1e25a69814685d8dd95cba4f1d6857fc2aea6add27e38b0784925c68883ab9187f92a18a0374f574fdc4caaf9b5e3a0371883578d01a7a9

  • SSDEEP

    3072:EEcu/DSqU2X1EkH+wWtaikGlIQZboLRC9ua/aHyvZR7d2idm:EEduqUGv7tGlVbA

Malware Config

Signatures

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cdb4baa092585d42eede4b1898e47d83d58336a9a966a116e567dcd4734b7d01.exe
    "C:\Users\Admin\AppData\Local\Temp\cdb4baa092585d42eede4b1898e47d83d58336a9a966a116e567dcd4734b7d01.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • outlook_office_path
    • outlook_win_path
    PID:1044

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    68KB

    MD5

    29f65ba8e88c063813cc50a4ea544e93

    SHA1

    05a7040d5c127e68c25d81cc51271ffb8bef3568

    SHA256

    1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

    SHA512

    e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

  • C:\Users\Admin\AppData\Local\Temp\Tar632B.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • memory/1044-0-0x00000000740BE000-0x00000000740BF000-memory.dmp

    Filesize

    4KB

  • memory/1044-1-0x0000000000210000-0x0000000000244000-memory.dmp

    Filesize

    208KB

  • memory/1044-2-0x00000000740B0000-0x000000007479E000-memory.dmp

    Filesize

    6.9MB

  • memory/1044-41-0x0000000002060000-0x000000000206A000-memory.dmp

    Filesize

    40KB

  • memory/1044-42-0x00000000740BE000-0x00000000740BF000-memory.dmp

    Filesize

    4KB

  • memory/1044-43-0x00000000740B0000-0x000000007479E000-memory.dmp

    Filesize

    6.9MB