Analysis

  • max time kernel
    159s
  • max time network
    169s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-03-2024 02:28

General

  • Target

    f42496aca487ec4753a8f887f26c0eb5862e6626b4e474614c611d4b28f45909.exe

  • Size

    481KB

  • MD5

    45b1dc45eec64dd6ef42ff827d4405fd

  • SHA1

    f34c8c2fe7c5bc610b4513cd853d97304960d429

  • SHA256

    f42496aca487ec4753a8f887f26c0eb5862e6626b4e474614c611d4b28f45909

  • SHA512

    abcfdf3b41c8ffb9327d7e2ac97b52666bf8e1afcca44344ec3ad492fe2b16069b8951aa20a112f655cc7a94b8b4bbad5a373893baa37010ad857ac0afc2ba99

  • SSDEEP

    6144:JAtVdRkURiLBetRu2m10c/XOsnx/Bjr7xii6wgDm7NE/m2O0BBAdN3MVqRw6aPMB:JCVdRkEtY/+a/BLj6wkm7N/0Bi3MBW

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    server1.marfinllc.shop
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    X!-1rrkP_qxp

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Detect ZGRat V1 34 IoCs
  • PureLog Stealer

    PureLog Stealer is an infostealer written in C#.

  • PureLog Stealer payload 1 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f42496aca487ec4753a8f887f26c0eb5862e6626b4e474614c611d4b28f45909.exe
    "C:\Users\Admin\AppData\Local\Temp\f42496aca487ec4753a8f887f26c0eb5862e6626b4e474614c611d4b28f45909.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1448
    • C:\Users\Admin\AppData\Local\Temp\f42496aca487ec4753a8f887f26c0eb5862e6626b4e474614c611d4b28f45909.exe
      C:\Users\Admin\AppData\Local\Temp\f42496aca487ec4753a8f887f26c0eb5862e6626b4e474614c611d4b28f45909.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1076

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\f42496aca487ec4753a8f887f26c0eb5862e6626b4e474614c611d4b28f45909.exe.log

    Filesize

    1KB

    MD5

    c3941d9fa38f1717d5cecd7a2ca71667

    SHA1

    33b5362675383b58b4166ed9f9a61e5aa6768d2e

    SHA256

    f1ed6ff1cd3df219061e32df1c75d6f48de6484cf50e5ea7d86cd8bcfcb93256

    SHA512

    98f103ef97d32bf8c0566a6f6da5cf8d58d18f698c1b3e5bd0be0ea8462f5fe54c2e5e6b5188f2b7d8f70082ffd6745b1f7f6cab95af474e2b7eaed50a9d9c45

  • memory/1076-4791-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/1076-4793-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1076-4794-0x0000000005120000-0x0000000005130000-memory.dmp

    Filesize

    64KB

  • memory/1076-4795-0x00000000051A0000-0x0000000005206000-memory.dmp

    Filesize

    408KB

  • memory/1076-4801-0x0000000005120000-0x0000000005130000-memory.dmp

    Filesize

    64KB

  • memory/1076-4800-0x00000000068C0000-0x00000000068CA000-memory.dmp

    Filesize

    40KB

  • memory/1076-4799-0x0000000006950000-0x00000000069E2000-memory.dmp

    Filesize

    584KB

  • memory/1076-4798-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/1076-4797-0x0000000006810000-0x00000000068AC000-memory.dmp

    Filesize

    624KB

  • memory/1076-4796-0x0000000006720000-0x0000000006770000-memory.dmp

    Filesize

    320KB

  • memory/1448-40-0x0000000005490000-0x0000000005685000-memory.dmp

    Filesize

    2.0MB

  • memory/1448-52-0x0000000005490000-0x0000000005685000-memory.dmp

    Filesize

    2.0MB

  • memory/1448-10-0x0000000005490000-0x0000000005685000-memory.dmp

    Filesize

    2.0MB

  • memory/1448-12-0x0000000005490000-0x0000000005685000-memory.dmp

    Filesize

    2.0MB

  • memory/1448-14-0x0000000005490000-0x0000000005685000-memory.dmp

    Filesize

    2.0MB

  • memory/1448-16-0x0000000005490000-0x0000000005685000-memory.dmp

    Filesize

    2.0MB

  • memory/1448-18-0x0000000005490000-0x0000000005685000-memory.dmp

    Filesize

    2.0MB

  • memory/1448-20-0x0000000005490000-0x0000000005685000-memory.dmp

    Filesize

    2.0MB

  • memory/1448-22-0x0000000005490000-0x0000000005685000-memory.dmp

    Filesize

    2.0MB

  • memory/1448-24-0x0000000005490000-0x0000000005685000-memory.dmp

    Filesize

    2.0MB

  • memory/1448-26-0x0000000005490000-0x0000000005685000-memory.dmp

    Filesize

    2.0MB

  • memory/1448-28-0x0000000005490000-0x0000000005685000-memory.dmp

    Filesize

    2.0MB

  • memory/1448-30-0x0000000005490000-0x0000000005685000-memory.dmp

    Filesize

    2.0MB

  • memory/1448-32-0x0000000005490000-0x0000000005685000-memory.dmp

    Filesize

    2.0MB

  • memory/1448-34-0x0000000005490000-0x0000000005685000-memory.dmp

    Filesize

    2.0MB

  • memory/1448-36-0x0000000005490000-0x0000000005685000-memory.dmp

    Filesize

    2.0MB

  • memory/1448-38-0x0000000005490000-0x0000000005685000-memory.dmp

    Filesize

    2.0MB

  • memory/1448-6-0x0000000005490000-0x0000000005685000-memory.dmp

    Filesize

    2.0MB

  • memory/1448-42-0x0000000005490000-0x0000000005685000-memory.dmp

    Filesize

    2.0MB

  • memory/1448-44-0x0000000005490000-0x0000000005685000-memory.dmp

    Filesize

    2.0MB

  • memory/1448-46-0x0000000005490000-0x0000000005685000-memory.dmp

    Filesize

    2.0MB

  • memory/1448-48-0x0000000005490000-0x0000000005685000-memory.dmp

    Filesize

    2.0MB

  • memory/1448-50-0x0000000005490000-0x0000000005685000-memory.dmp

    Filesize

    2.0MB

  • memory/1448-8-0x0000000005490000-0x0000000005685000-memory.dmp

    Filesize

    2.0MB

  • memory/1448-54-0x0000000005490000-0x0000000005685000-memory.dmp

    Filesize

    2.0MB

  • memory/1448-56-0x0000000005490000-0x0000000005685000-memory.dmp

    Filesize

    2.0MB

  • memory/1448-58-0x0000000005490000-0x0000000005685000-memory.dmp

    Filesize

    2.0MB

  • memory/1448-60-0x0000000005490000-0x0000000005685000-memory.dmp

    Filesize

    2.0MB

  • memory/1448-62-0x0000000005490000-0x0000000005685000-memory.dmp

    Filesize

    2.0MB

  • memory/1448-64-0x0000000005490000-0x0000000005685000-memory.dmp

    Filesize

    2.0MB

  • memory/1448-66-0x0000000005490000-0x0000000005685000-memory.dmp

    Filesize

    2.0MB

  • memory/1448-68-0x0000000005490000-0x0000000005685000-memory.dmp

    Filesize

    2.0MB

  • memory/1448-279-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/1448-512-0x0000000004C00000-0x0000000004C10000-memory.dmp

    Filesize

    64KB

  • memory/1448-4783-0x0000000000500000-0x0000000000501000-memory.dmp

    Filesize

    4KB

  • memory/1448-5-0x0000000005490000-0x0000000005685000-memory.dmp

    Filesize

    2.0MB

  • memory/1448-4-0x0000000005490000-0x000000000568A000-memory.dmp

    Filesize

    2.0MB

  • memory/1448-3-0x0000000002510000-0x000000000251A000-memory.dmp

    Filesize

    40KB

  • memory/1448-2-0x0000000004C00000-0x0000000004C10000-memory.dmp

    Filesize

    64KB

  • memory/1448-1-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/1448-0-0x00000000000A0000-0x000000000011C000-memory.dmp

    Filesize

    496KB

  • memory/1448-4784-0x0000000000670000-0x00000000006B4000-memory.dmp

    Filesize

    272KB

  • memory/1448-4785-0x0000000000840000-0x000000000088C000-memory.dmp

    Filesize

    304KB

  • memory/1448-4786-0x0000000005EA0000-0x0000000006444000-memory.dmp

    Filesize

    5.6MB

  • memory/1448-4792-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB