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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/05/2024, 13:34

General

  • Target

    207845200002.exe

  • Size

    334KB

  • MD5

    db852560af27329c5bf56c3bdc791916

  • SHA1

    76f2f314b943ec5fdcc7105f6c28e4e1f69b9d2a

  • SHA256

    85549d6c0269a1e86f946c8f5ea900f8ac0a82da0169e0c635f5836ab5bd1589

  • SHA512

    4e2d9fd0e8466fd8129fc34c714608404d69141dbb91bfa8ac0ab3a6cd72abcc2464b70fac9606a15470064ced9631aad1277e2e1f9fa4985d818b885365b22a

  • SSDEEP

    3072:CBs0O1R9uynxg6hEITBwxme0Xo220wIpZyg55ZV:us7L3nxduIdwoe0Xo220hV5jV

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    66.29.151.236
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    fn26k5c7Q846

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect ZGRat V1 34 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 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\207845200002.exe
    "C:\Users\Admin\AppData\Local\Temp\207845200002.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1844
    • C:\Users\Admin\AppData\Local\Temp\207845200002.exe
      "C:\Users\Admin\AppData\Local\Temp\207845200002.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4172

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\207845200002.exe.log

    Filesize

    1KB

    MD5

    f3eb81974dc5933681e933f07209ff5f

    SHA1

    7af8cae0f1d03e82daaf784df9886705685baac7

    SHA256

    e82069884dd428bd6a1c67fe00c5fa56f9c4d62b538b694694a699588f1f4ab2

    SHA512

    d9aa3871dffb76c8a73a7940fa03bbc9b65cf575cbd07f7c1fbf490cb0f3d670415eaef0bf79e34689f61ab3cdfbb104efdef004becc12e54b501f02f948aaff

  • memory/1844-0-0x000000007532E000-0x000000007532F000-memory.dmp

    Filesize

    4KB

  • memory/1844-1-0x0000000000FF0000-0x0000000001046000-memory.dmp

    Filesize

    344KB

  • memory/1844-2-0x0000000075320000-0x0000000075AD0000-memory.dmp

    Filesize

    7.7MB

  • memory/1844-3-0x0000000006B10000-0x0000000006D3E000-memory.dmp

    Filesize

    2.2MB

  • memory/1844-4-0x00000000072F0000-0x0000000007894000-memory.dmp

    Filesize

    5.6MB

  • memory/1844-5-0x0000000006E50000-0x0000000006EE2000-memory.dmp

    Filesize

    584KB

  • memory/1844-7-0x0000000006B10000-0x0000000006D39000-memory.dmp

    Filesize

    2.2MB

  • memory/1844-15-0x0000000006B10000-0x0000000006D39000-memory.dmp

    Filesize

    2.2MB

  • memory/1844-13-0x0000000006B10000-0x0000000006D39000-memory.dmp

    Filesize

    2.2MB

  • memory/1844-23-0x0000000006B10000-0x0000000006D39000-memory.dmp

    Filesize

    2.2MB

  • memory/1844-37-0x0000000006B10000-0x0000000006D39000-memory.dmp

    Filesize

    2.2MB

  • memory/1844-45-0x0000000006B10000-0x0000000006D39000-memory.dmp

    Filesize

    2.2MB

  • memory/1844-65-0x0000000006B10000-0x0000000006D39000-memory.dmp

    Filesize

    2.2MB

  • memory/1844-63-0x0000000006B10000-0x0000000006D39000-memory.dmp

    Filesize

    2.2MB

  • memory/1844-61-0x0000000006B10000-0x0000000006D39000-memory.dmp

    Filesize

    2.2MB

  • memory/1844-59-0x0000000006B10000-0x0000000006D39000-memory.dmp

    Filesize

    2.2MB

  • memory/1844-57-0x0000000006B10000-0x0000000006D39000-memory.dmp

    Filesize

    2.2MB

  • memory/1844-55-0x0000000006B10000-0x0000000006D39000-memory.dmp

    Filesize

    2.2MB

  • memory/1844-53-0x0000000006B10000-0x0000000006D39000-memory.dmp

    Filesize

    2.2MB

  • memory/1844-51-0x0000000006B10000-0x0000000006D39000-memory.dmp

    Filesize

    2.2MB

  • memory/1844-49-0x0000000006B10000-0x0000000006D39000-memory.dmp

    Filesize

    2.2MB

  • memory/1844-69-0x0000000006B10000-0x0000000006D39000-memory.dmp

    Filesize

    2.2MB

  • memory/1844-67-0x0000000006B10000-0x0000000006D39000-memory.dmp

    Filesize

    2.2MB

  • memory/1844-39-0x0000000006B10000-0x0000000006D39000-memory.dmp

    Filesize

    2.2MB

  • memory/1844-47-0x0000000006B10000-0x0000000006D39000-memory.dmp

    Filesize

    2.2MB

  • memory/1844-43-0x0000000006B10000-0x0000000006D39000-memory.dmp

    Filesize

    2.2MB

  • memory/1844-41-0x0000000006B10000-0x0000000006D39000-memory.dmp

    Filesize

    2.2MB

  • memory/1844-27-0x0000000006B10000-0x0000000006D39000-memory.dmp

    Filesize

    2.2MB

  • memory/1844-25-0x0000000006B10000-0x0000000006D39000-memory.dmp

    Filesize

    2.2MB

  • memory/1844-21-0x0000000006B10000-0x0000000006D39000-memory.dmp

    Filesize

    2.2MB

  • memory/1844-19-0x0000000006B10000-0x0000000006D39000-memory.dmp

    Filesize

    2.2MB

  • memory/1844-17-0x0000000006B10000-0x0000000006D39000-memory.dmp

    Filesize

    2.2MB

  • memory/1844-35-0x0000000006B10000-0x0000000006D39000-memory.dmp

    Filesize

    2.2MB

  • memory/1844-33-0x0000000006B10000-0x0000000006D39000-memory.dmp

    Filesize

    2.2MB

  • memory/1844-31-0x0000000006B10000-0x0000000006D39000-memory.dmp

    Filesize

    2.2MB

  • memory/1844-29-0x0000000006B10000-0x0000000006D39000-memory.dmp

    Filesize

    2.2MB

  • memory/1844-11-0x0000000006B10000-0x0000000006D39000-memory.dmp

    Filesize

    2.2MB

  • memory/1844-9-0x0000000006B10000-0x0000000006D39000-memory.dmp

    Filesize

    2.2MB

  • memory/1844-6-0x0000000006B10000-0x0000000006D39000-memory.dmp

    Filesize

    2.2MB

  • memory/1844-4886-0x0000000075320000-0x0000000075AD0000-memory.dmp

    Filesize

    7.7MB

  • memory/1844-4887-0x0000000006440000-0x00000000064AC000-memory.dmp

    Filesize

    432KB

  • memory/1844-4888-0x0000000006790000-0x00000000067DC000-memory.dmp

    Filesize

    304KB

  • memory/1844-4889-0x000000007532E000-0x000000007532F000-memory.dmp

    Filesize

    4KB

  • memory/1844-4890-0x0000000075320000-0x0000000075AD0000-memory.dmp

    Filesize

    7.7MB

  • memory/1844-4891-0x00000000067E0000-0x0000000006834000-memory.dmp

    Filesize

    336KB

  • memory/1844-4896-0x0000000075320000-0x0000000075AD0000-memory.dmp

    Filesize

    7.7MB

  • memory/4172-4898-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/4172-4897-0x0000000075320000-0x0000000075AD0000-memory.dmp

    Filesize

    7.7MB

  • memory/4172-4899-0x00000000052F0000-0x0000000005356000-memory.dmp

    Filesize

    408KB

  • memory/4172-4900-0x0000000075320000-0x0000000075AD0000-memory.dmp

    Filesize

    7.7MB

  • memory/4172-4901-0x0000000006810000-0x0000000006860000-memory.dmp

    Filesize

    320KB

  • memory/4172-4902-0x0000000006900000-0x000000000699C000-memory.dmp

    Filesize

    624KB

  • memory/4172-4903-0x00000000069D0000-0x00000000069DA000-memory.dmp

    Filesize

    40KB

  • memory/4172-4904-0x0000000075320000-0x0000000075AD0000-memory.dmp

    Filesize

    7.7MB