Analysis

  • max time kernel
    42s
  • max time network
    51s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-06-2024 14:59

General

  • Target

    0d74af97359c1d0fd909164e90a90e1ebc8a519c9f906eaa72ee7cacc3ee33d1.exe

  • Size

    390KB

  • MD5

    6d281b347048efb9630700df95320517

  • SHA1

    e409949bb9027e2c9b1e671cd65ea1c7ba6f3f6a

  • SHA256

    0d74af97359c1d0fd909164e90a90e1ebc8a519c9f906eaa72ee7cacc3ee33d1

  • SHA512

    b48f893f74303f521ee0575de72391617c3962abd39a1a13859f258e9e104df13c69da1d55dc2844152a229d9a388e697c020cad29fab048c1b4e20d93cd06ac

  • SSDEEP

    6144:IeU+RPztDcvogwMh6x3HRxl01FdYcEXKcty2vZ5VGxTpHzxJHjbh00gmm:I/WPzN0+EGRxl0Dd46cQaVGzHzxn00I

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://s3.serv00.com
  • Port:
    21
  • Username:
    f9226_jono
  • Password:
    Ogasa56#@

Signatures

  • AgentTesla

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

  • 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 1 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 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0d74af97359c1d0fd909164e90a90e1ebc8a519c9f906eaa72ee7cacc3ee33d1.exe
    "C:\Users\Admin\AppData\Local\Temp\0d74af97359c1d0fd909164e90a90e1ebc8a519c9f906eaa72ee7cacc3ee33d1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2372
    • C:\Users\Admin\AppData\Local\Temp\0d74af97359c1d0fd909164e90a90e1ebc8a519c9f906eaa72ee7cacc3ee33d1.exe
      "C:\Users\Admin\AppData\Local\Temp\0d74af97359c1d0fd909164e90a90e1ebc8a519c9f906eaa72ee7cacc3ee33d1.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3260

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\0d74af97359c1d0fd909164e90a90e1ebc8a519c9f906eaa72ee7cacc3ee33d1.exe.log

    Filesize

    42B

    MD5

    84cfdb4b995b1dbf543b26b86c863adc

    SHA1

    d2f47764908bf30036cf8248b9ff5541e2711fa2

    SHA256

    d8988d672d6915b46946b28c06ad8066c50041f6152a91d37ffa5cf129cc146b

    SHA512

    485f0ed45e13f00a93762cbf15b4b8f996553baa021152fae5aba051e3736bcd3ca8f4328f0e6d9e3e1f910c96c4a9ae055331123ee08e3c2ce3a99ac2e177ce

  • memory/2372-5-0x0000000075320000-0x0000000075AD0000-memory.dmp

    Filesize

    7.7MB

  • memory/2372-1-0x00000000007F0000-0x0000000000856000-memory.dmp

    Filesize

    408KB

  • memory/2372-0-0x000000007532E000-0x000000007532F000-memory.dmp

    Filesize

    4KB

  • memory/3260-7-0x00000000057B0000-0x0000000005D54000-memory.dmp

    Filesize

    5.6MB

  • memory/3260-6-0x0000000075320000-0x0000000075AD0000-memory.dmp

    Filesize

    7.7MB

  • memory/3260-2-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3260-8-0x00000000018C0000-0x0000000001926000-memory.dmp

    Filesize

    408KB

  • memory/3260-9-0x0000000075320000-0x0000000075AD0000-memory.dmp

    Filesize

    7.7MB

  • memory/3260-12-0x0000000006A40000-0x0000000006A90000-memory.dmp

    Filesize

    320KB

  • memory/3260-13-0x0000000006B30000-0x0000000006BCC000-memory.dmp

    Filesize

    624KB

  • memory/3260-14-0x0000000075320000-0x0000000075AD0000-memory.dmp

    Filesize

    7.7MB

  • memory/3260-15-0x0000000006C70000-0x0000000006D02000-memory.dmp

    Filesize

    584KB

  • memory/3260-16-0x0000000006C00000-0x0000000006C0A000-memory.dmp

    Filesize

    40KB