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Analysis

  • max time kernel
    128s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/07/2023, 06:35

General

  • Target

    SecuriteInfo.com.Variant.Zusy.478183.26222.24209.exe

  • Size

    721KB

  • MD5

    e6062652a956936758214e4099faabc9

  • SHA1

    960080862a56e9fa163e8781d82d09f74bea0f2f

  • SHA256

    6e47381a638f8ffd26a8009ddb73d38b63459161a0b9633b17445c49ffcd965a

  • SHA512

    f49713fc58c5ae99399ae168cbe0c392ffc0993a7fce84cc47d0cc5d678729de55a2bcc4b388cf8d740a857644a35a310cd88b552a64de37e162f24ca4c451a2

  • SSDEEP

    12288:5TUZ9qT9qIxqysfO7FWYEkG30I7UlwnSSZ1haCMbbCkKeK6DPJ:tUZcVxqeWYEII2XCQCkKeK6D

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.code-jet.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    )06$6,YCKM2b

Signatures

  • Executes dropped EXE 1 IoCs
  • 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
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Zusy.478183.26222.24209.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Zusy.478183.26222.24209.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2512
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Zusy.478183.26222.24209.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Zusy.478183.26222.24209.exe"
      2⤵
      • Executes dropped EXE
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:4324

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SecuriteInfo.com.Variant.Zusy.478183.26222.24209.exe.log

    Filesize

    1KB

    MD5

    add49c9ba7072711d6da25976d348247

    SHA1

    754edca64e1a053a8ca357b40e8a7a4ff5fea217

    SHA256

    361f4c916558316756d415bd64821ef1eead2d451e5d9cc38fe533b0f56574a6

    SHA512

    a95f88d0ca27b69636ed9a12f5b40d0abe1568415f41c57848f251dc55a5b0dbd015f15a2ff1c7aa4bc92b98d0d9c99a4bb814f49ff2319132b552af09a533ef

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Zusy.478183.26222.24209.exe

    Filesize

    721KB

    MD5

    e6062652a956936758214e4099faabc9

    SHA1

    960080862a56e9fa163e8781d82d09f74bea0f2f

    SHA256

    6e47381a638f8ffd26a8009ddb73d38b63459161a0b9633b17445c49ffcd965a

    SHA512

    f49713fc58c5ae99399ae168cbe0c392ffc0993a7fce84cc47d0cc5d678729de55a2bcc4b388cf8d740a857644a35a310cd88b552a64de37e162f24ca4c451a2

  • memory/2512-169-0x00000000051E0000-0x0000000005203000-memory.dmp

    Filesize

    140KB

  • memory/2512-173-0x00000000051E0000-0x0000000005203000-memory.dmp

    Filesize

    140KB

  • memory/2512-137-0x00000000052C0000-0x00000000052D0000-memory.dmp

    Filesize

    64KB

  • memory/2512-138-0x00000000051C0000-0x00000000051D2000-memory.dmp

    Filesize

    72KB

  • memory/2512-139-0x0000000005C70000-0x0000000005D0C000-memory.dmp

    Filesize

    624KB

  • memory/2512-140-0x00000000051E0000-0x0000000005203000-memory.dmp

    Filesize

    140KB

  • memory/2512-141-0x00000000051E0000-0x0000000005203000-memory.dmp

    Filesize

    140KB

  • memory/2512-143-0x00000000051E0000-0x0000000005203000-memory.dmp

    Filesize

    140KB

  • memory/2512-145-0x00000000051E0000-0x0000000005203000-memory.dmp

    Filesize

    140KB

  • memory/2512-147-0x00000000051E0000-0x0000000005203000-memory.dmp

    Filesize

    140KB

  • memory/2512-149-0x00000000051E0000-0x0000000005203000-memory.dmp

    Filesize

    140KB

  • memory/2512-151-0x00000000051E0000-0x0000000005203000-memory.dmp

    Filesize

    140KB

  • memory/2512-153-0x00000000051E0000-0x0000000005203000-memory.dmp

    Filesize

    140KB

  • memory/2512-155-0x00000000051E0000-0x0000000005203000-memory.dmp

    Filesize

    140KB

  • memory/2512-157-0x00000000051E0000-0x0000000005203000-memory.dmp

    Filesize

    140KB

  • memory/2512-159-0x00000000051E0000-0x0000000005203000-memory.dmp

    Filesize

    140KB

  • memory/2512-161-0x00000000051E0000-0x0000000005203000-memory.dmp

    Filesize

    140KB

  • memory/2512-171-0x00000000051E0000-0x0000000005203000-memory.dmp

    Filesize

    140KB

  • memory/2512-165-0x00000000051E0000-0x0000000005203000-memory.dmp

    Filesize

    140KB

  • memory/2512-167-0x00000000051E0000-0x0000000005203000-memory.dmp

    Filesize

    140KB

  • memory/2512-136-0x0000000005020000-0x00000000050B2000-memory.dmp

    Filesize

    584KB

  • memory/2512-133-0x0000000000570000-0x000000000062A000-memory.dmp

    Filesize

    744KB

  • memory/2512-163-0x00000000051E0000-0x0000000005203000-memory.dmp

    Filesize

    140KB

  • memory/2512-175-0x00000000051E0000-0x0000000005203000-memory.dmp

    Filesize

    140KB

  • memory/2512-177-0x00000000051E0000-0x0000000005203000-memory.dmp

    Filesize

    140KB

  • memory/2512-179-0x00000000051E0000-0x0000000005203000-memory.dmp

    Filesize

    140KB

  • memory/2512-181-0x00000000051E0000-0x0000000005203000-memory.dmp

    Filesize

    140KB

  • memory/2512-183-0x00000000051E0000-0x0000000005203000-memory.dmp

    Filesize

    140KB

  • memory/2512-185-0x00000000051E0000-0x0000000005203000-memory.dmp

    Filesize

    140KB

  • memory/2512-187-0x00000000051E0000-0x0000000005203000-memory.dmp

    Filesize

    140KB

  • memory/2512-189-0x00000000051E0000-0x0000000005203000-memory.dmp

    Filesize

    140KB

  • memory/2512-190-0x0000000005210000-0x0000000005211000-memory.dmp

    Filesize

    4KB

  • memory/2512-195-0x0000000075320000-0x0000000075AD0000-memory.dmp

    Filesize

    7.7MB

  • memory/2512-135-0x00000000056C0000-0x0000000005C64000-memory.dmp

    Filesize

    5.6MB

  • memory/2512-134-0x0000000075320000-0x0000000075AD0000-memory.dmp

    Filesize

    7.7MB

  • memory/4324-191-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/4324-196-0x0000000075320000-0x0000000075AD0000-memory.dmp

    Filesize

    7.7MB

  • memory/4324-197-0x0000000005470000-0x0000000005480000-memory.dmp

    Filesize

    64KB

  • memory/4324-198-0x0000000005480000-0x00000000054E6000-memory.dmp

    Filesize

    408KB

  • memory/4324-199-0x0000000006150000-0x00000000061A0000-memory.dmp

    Filesize

    320KB

  • memory/4324-200-0x0000000006B10000-0x0000000006B1A000-memory.dmp

    Filesize

    40KB

  • memory/4324-201-0x0000000075320000-0x0000000075AD0000-memory.dmp

    Filesize

    7.7MB

  • memory/4324-202-0x0000000005470000-0x0000000005480000-memory.dmp

    Filesize

    64KB