Analysis

  • max time kernel
    115s
  • max time network
    106s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-05-2024 01:32

General

  • Target

    92fa9b6f4856cfd35907ac59a621ab7dcbb49550ae29b9131d570f5c1b6c4313.exe

  • Size

    205KB

  • MD5

    494992eed787907766ef59dbec953d6b

  • SHA1

    ff02df9c31bd5462c912c84b040430682ac0304c

  • SHA256

    92fa9b6f4856cfd35907ac59a621ab7dcbb49550ae29b9131d570f5c1b6c4313

  • SHA512

    7c7318962a1273d1635f5fbf9dbd27f667148a6a2c30bcbf9a33440dabf1f566d40eaeee3a635d1742816bfa5c3fe2fe0efd48eb8b1a43e81fc575105c161943

  • SSDEEP

    3072:P8ANnCDDRvLGprOAOkGt6+duWA/t/SHUebbxCbGgKk12qk/FPYm21KLbDoUssNXA:UkstvLGcxLbMUMK2dH

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    66.29.151.236
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    YuWsikfV67lD

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#.

  • Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
  • 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\92fa9b6f4856cfd35907ac59a621ab7dcbb49550ae29b9131d570f5c1b6c4313.exe
    "C:\Users\Admin\AppData\Local\Temp\92fa9b6f4856cfd35907ac59a621ab7dcbb49550ae29b9131d570f5c1b6c4313.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1008
    • C:\Users\Admin\AppData\Local\Temp\92fa9b6f4856cfd35907ac59a621ab7dcbb49550ae29b9131d570f5c1b6c4313.exe
      "C:\Users\Admin\AppData\Local\Temp\92fa9b6f4856cfd35907ac59a621ab7dcbb49550ae29b9131d570f5c1b6c4313.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2100

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\92fa9b6f4856cfd35907ac59a621ab7dcbb49550ae29b9131d570f5c1b6c4313.exe.log

    Filesize

    1KB

    MD5

    f3eb81974dc5933681e933f07209ff5f

    SHA1

    7af8cae0f1d03e82daaf784df9886705685baac7

    SHA256

    e82069884dd428bd6a1c67fe00c5fa56f9c4d62b538b694694a699588f1f4ab2

    SHA512

    d9aa3871dffb76c8a73a7940fa03bbc9b65cf575cbd07f7c1fbf490cb0f3d670415eaef0bf79e34689f61ab3cdfbb104efdef004becc12e54b501f02f948aaff

  • memory/1008-0-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

    Filesize

    4KB

  • memory/1008-1-0x00000000009C0000-0x00000000009F6000-memory.dmp

    Filesize

    216KB

  • memory/1008-2-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1008-3-0x0000000007620000-0x0000000007850000-memory.dmp

    Filesize

    2.2MB

  • memory/1008-4-0x0000000007E00000-0x00000000083A4000-memory.dmp

    Filesize

    5.6MB

  • memory/1008-5-0x00000000078F0000-0x0000000007982000-memory.dmp

    Filesize

    584KB

  • memory/1008-13-0x0000000007620000-0x000000000784A000-memory.dmp

    Filesize

    2.2MB

  • memory/1008-15-0x0000000007620000-0x000000000784A000-memory.dmp

    Filesize

    2.2MB

  • memory/1008-37-0x0000000007620000-0x000000000784A000-memory.dmp

    Filesize

    2.2MB

  • memory/1008-35-0x0000000007620000-0x000000000784A000-memory.dmp

    Filesize

    2.2MB

  • memory/1008-67-0x0000000007620000-0x000000000784A000-memory.dmp

    Filesize

    2.2MB

  • memory/1008-69-0x0000000007620000-0x000000000784A000-memory.dmp

    Filesize

    2.2MB

  • memory/1008-65-0x0000000007620000-0x000000000784A000-memory.dmp

    Filesize

    2.2MB

  • memory/1008-63-0x0000000007620000-0x000000000784A000-memory.dmp

    Filesize

    2.2MB

  • memory/1008-59-0x0000000007620000-0x000000000784A000-memory.dmp

    Filesize

    2.2MB

  • memory/1008-57-0x0000000007620000-0x000000000784A000-memory.dmp

    Filesize

    2.2MB

  • memory/1008-55-0x0000000007620000-0x000000000784A000-memory.dmp

    Filesize

    2.2MB

  • memory/1008-61-0x0000000007620000-0x000000000784A000-memory.dmp

    Filesize

    2.2MB

  • memory/1008-53-0x0000000007620000-0x000000000784A000-memory.dmp

    Filesize

    2.2MB

  • memory/1008-51-0x0000000007620000-0x000000000784A000-memory.dmp

    Filesize

    2.2MB

  • memory/1008-49-0x0000000007620000-0x000000000784A000-memory.dmp

    Filesize

    2.2MB

  • memory/1008-47-0x0000000007620000-0x000000000784A000-memory.dmp

    Filesize

    2.2MB

  • memory/1008-46-0x0000000007620000-0x000000000784A000-memory.dmp

    Filesize

    2.2MB

  • memory/1008-43-0x0000000007620000-0x000000000784A000-memory.dmp

    Filesize

    2.2MB

  • memory/1008-41-0x0000000007620000-0x000000000784A000-memory.dmp

    Filesize

    2.2MB

  • memory/1008-39-0x0000000007620000-0x000000000784A000-memory.dmp

    Filesize

    2.2MB

  • memory/1008-34-0x0000000007620000-0x000000000784A000-memory.dmp

    Filesize

    2.2MB

  • memory/1008-29-0x0000000007620000-0x000000000784A000-memory.dmp

    Filesize

    2.2MB

  • memory/1008-27-0x0000000007620000-0x000000000784A000-memory.dmp

    Filesize

    2.2MB

  • memory/1008-23-0x0000000007620000-0x000000000784A000-memory.dmp

    Filesize

    2.2MB

  • memory/1008-21-0x0000000007620000-0x000000000784A000-memory.dmp

    Filesize

    2.2MB

  • memory/1008-31-0x0000000007620000-0x000000000784A000-memory.dmp

    Filesize

    2.2MB

  • memory/1008-25-0x0000000007620000-0x000000000784A000-memory.dmp

    Filesize

    2.2MB

  • memory/1008-17-0x0000000007620000-0x000000000784A000-memory.dmp

    Filesize

    2.2MB

  • memory/1008-9-0x0000000007620000-0x000000000784A000-memory.dmp

    Filesize

    2.2MB

  • memory/1008-7-0x0000000007620000-0x000000000784A000-memory.dmp

    Filesize

    2.2MB

  • memory/1008-19-0x0000000007620000-0x000000000784A000-memory.dmp

    Filesize

    2.2MB

  • memory/1008-11-0x0000000007620000-0x000000000784A000-memory.dmp

    Filesize

    2.2MB

  • memory/1008-6-0x0000000007620000-0x000000000784A000-memory.dmp

    Filesize

    2.2MB

  • memory/1008-4886-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1008-4888-0x00000000061B0000-0x00000000061FC000-memory.dmp

    Filesize

    304KB

  • memory/1008-4887-0x0000000006120000-0x000000000618C000-memory.dmp

    Filesize

    432KB

  • memory/1008-4889-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

    Filesize

    4KB

  • memory/1008-4890-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1008-4891-0x0000000006200000-0x0000000006254000-memory.dmp

    Filesize

    336KB

  • memory/1008-4896-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/2100-4898-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/2100-4897-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2100-4899-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/2100-4900-0x00000000054D0000-0x0000000005536000-memory.dmp

    Filesize

    408KB

  • memory/2100-4901-0x00000000069B0000-0x0000000006A00000-memory.dmp

    Filesize

    320KB

  • memory/2100-4902-0x0000000006AA0000-0x0000000006B3C000-memory.dmp

    Filesize

    624KB

  • memory/2100-4903-0x0000000006B50000-0x0000000006B5A000-memory.dmp

    Filesize

    40KB

  • memory/2100-4904-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB