Analysis

  • max time kernel
    121s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    14-05-2024 14:11

General

  • Target

    Copy#0700181203.exe

  • Size

    307KB

  • MD5

    3a7ad7df17d52faa30c9267d8993c052

  • SHA1

    20babf125ffdc301bc7670817f8123af61ff0940

  • SHA256

    a3d1e36ffb22746489c9932108842ef58d71c86c5a01bade59d1f0f9cbe2fde4

  • SHA512

    6d7d7ea7a3310c7cc768556126f710d21f2dc500c5287613a35ba020a0b0ec5f85101c27068c2dc4ef94135e6228aec7501ceba123ebbd81891467ebfa37cbb8

  • SSDEEP

    3072:qvBGLqxexlS+I3lPE6MPYUNnCDDRvLGmrOAOkGt6+duWA/t/SHUebbxCbGgKk12g:qvwpkqBstvLGtELbMUTKZIH

Malware Config

Extracted

Family

xworm

Version

5.0

C2

94.156.65.181:5353

Mutex

4EV9DEZhSiEuj72Q

Attributes
  • install_file

    USB.exe

  • telegram

    https://api.telegram.org/bot5987023205:AAFlvwKv3zD3wQ2CQAewIB6uU95uBQ25ip0/sendMessage?chat_id=5202962680

aes.plain

Signatures

  • AgentTesla

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

  • Detect Xworm Payload 3 IoCs
  • Detect ZGRat V1 34 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Copy#0700181203.exe
    "C:\Users\Admin\AppData\Local\Temp\Copy#0700181203.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2080
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2760
      • C:\Users\Admin\AppData\Local\Temp\FB_AF52.tmp.exe
        "C:\Users\Admin\AppData\Local\Temp\FB_AF52.tmp.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2012
      • C:\Users\Admin\AppData\Local\Temp\FB_AFA1.tmp.exe
        "C:\Users\Admin\AppData\Local\Temp\FB_AFA1.tmp.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1712

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\FB_AF52.tmp.exe

    Filesize

    234KB

    MD5

    06db36296ae61e019a6c6e717c94767b

    SHA1

    7a00c1ada2ad8ed153488ba9a761b76b94716cd2

    SHA256

    e3806f66f45cd3ab049bd762b7cb14c2c27ca7854221356d7681c239c510b3ab

    SHA512

    0db22d6c5ab97e827994b4998c7ac717b7421ce15c40eae6ec4d082df51232434cb408179268b9bc82ed4218c3c46dd79273f14071b692e2e412b6aa637b73ec

  • C:\Users\Admin\AppData\Local\Temp\FB_AFA1.tmp.exe

    Filesize

    41KB

    MD5

    f334a1ac079415859e447dfe9581fcdb

    SHA1

    6c906d05d4fd5ca52c4661abd2a6ca00446a6d7d

    SHA256

    dc794a76f3d4644853d105b86586700c24d36c4bf0b13582209d22f651fa18f9

    SHA512

    bf9bf1317845f1e48ad31b138ca70dd8bd4b5acb96a01a3639adbe186b369a3c15bf4609ff79f8996b89158ac95986e26ecbbd40216e2a8e12b56457a949343d

  • memory/1712-4925-0x00000000013B0000-0x00000000013C0000-memory.dmp

    Filesize

    64KB

  • memory/2012-4923-0x0000000000090000-0x00000000000D0000-memory.dmp

    Filesize

    256KB

  • memory/2080-59-0x0000000008770000-0x00000000089A0000-memory.dmp

    Filesize

    2.2MB

  • memory/2080-4910-0x0000000074960000-0x000000007504E000-memory.dmp

    Filesize

    6.9MB

  • memory/2080-2-0x0000000074960000-0x000000007504E000-memory.dmp

    Filesize

    6.9MB

  • memory/2080-3-0x0000000008770000-0x00000000089A6000-memory.dmp

    Filesize

    2.2MB

  • memory/2080-5-0x0000000008770000-0x00000000089A0000-memory.dmp

    Filesize

    2.2MB

  • memory/2080-9-0x0000000008770000-0x00000000089A0000-memory.dmp

    Filesize

    2.2MB

  • memory/2080-11-0x0000000008770000-0x00000000089A0000-memory.dmp

    Filesize

    2.2MB

  • memory/2080-15-0x0000000008770000-0x00000000089A0000-memory.dmp

    Filesize

    2.2MB

  • memory/2080-13-0x0000000008770000-0x00000000089A0000-memory.dmp

    Filesize

    2.2MB

  • memory/2080-17-0x0000000008770000-0x00000000089A0000-memory.dmp

    Filesize

    2.2MB

  • memory/2080-23-0x0000000008770000-0x00000000089A0000-memory.dmp

    Filesize

    2.2MB

  • memory/2080-25-0x0000000008770000-0x00000000089A0000-memory.dmp

    Filesize

    2.2MB

  • memory/2080-21-0x0000000008770000-0x00000000089A0000-memory.dmp

    Filesize

    2.2MB

  • memory/2080-19-0x0000000008770000-0x00000000089A0000-memory.dmp

    Filesize

    2.2MB

  • memory/2080-7-0x0000000008770000-0x00000000089A0000-memory.dmp

    Filesize

    2.2MB

  • memory/2080-4-0x0000000008770000-0x00000000089A0000-memory.dmp

    Filesize

    2.2MB

  • memory/2080-57-0x0000000008770000-0x00000000089A0000-memory.dmp

    Filesize

    2.2MB

  • memory/2080-39-0x0000000008770000-0x00000000089A0000-memory.dmp

    Filesize

    2.2MB

  • memory/2080-41-0x0000000008770000-0x00000000089A0000-memory.dmp

    Filesize

    2.2MB

  • memory/2080-49-0x0000000008770000-0x00000000089A0000-memory.dmp

    Filesize

    2.2MB

  • memory/2080-0-0x000000007496E000-0x000000007496F000-memory.dmp

    Filesize

    4KB

  • memory/2080-67-0x0000000008770000-0x00000000089A0000-memory.dmp

    Filesize

    2.2MB

  • memory/2080-63-0x0000000008770000-0x00000000089A0000-memory.dmp

    Filesize

    2.2MB

  • memory/2080-1-0x0000000000070000-0x00000000000C0000-memory.dmp

    Filesize

    320KB

  • memory/2080-27-0x0000000008770000-0x00000000089A0000-memory.dmp

    Filesize

    2.2MB

  • memory/2080-62-0x0000000008770000-0x00000000089A0000-memory.dmp

    Filesize

    2.2MB

  • memory/2080-55-0x0000000008770000-0x00000000089A0000-memory.dmp

    Filesize

    2.2MB

  • memory/2080-53-0x0000000008770000-0x00000000089A0000-memory.dmp

    Filesize

    2.2MB

  • memory/2080-4884-0x0000000074960000-0x000000007504E000-memory.dmp

    Filesize

    6.9MB

  • memory/2080-51-0x0000000008770000-0x00000000089A0000-memory.dmp

    Filesize

    2.2MB

  • memory/2080-47-0x0000000008770000-0x00000000089A0000-memory.dmp

    Filesize

    2.2MB

  • memory/2080-45-0x0000000008770000-0x00000000089A0000-memory.dmp

    Filesize

    2.2MB

  • memory/2080-43-0x0000000008770000-0x00000000089A0000-memory.dmp

    Filesize

    2.2MB

  • memory/2080-37-0x0000000008770000-0x00000000089A0000-memory.dmp

    Filesize

    2.2MB

  • memory/2080-4886-0x0000000005510000-0x000000000555C000-memory.dmp

    Filesize

    304KB

  • memory/2080-4885-0x0000000004C70000-0x0000000004CE2000-memory.dmp

    Filesize

    456KB

  • memory/2080-35-0x0000000008770000-0x00000000089A0000-memory.dmp

    Filesize

    2.2MB

  • memory/2080-33-0x0000000008770000-0x00000000089A0000-memory.dmp

    Filesize

    2.2MB

  • memory/2080-31-0x0000000008770000-0x00000000089A0000-memory.dmp

    Filesize

    2.2MB

  • memory/2080-29-0x0000000008770000-0x00000000089A0000-memory.dmp

    Filesize

    2.2MB

  • memory/2080-4887-0x000000007496E000-0x000000007496F000-memory.dmp

    Filesize

    4KB

  • memory/2080-4888-0x0000000074960000-0x000000007504E000-memory.dmp

    Filesize

    6.9MB

  • memory/2080-4889-0x0000000074960000-0x000000007504E000-memory.dmp

    Filesize

    6.9MB

  • memory/2080-4890-0x0000000004BB0000-0x0000000004C04000-memory.dmp

    Filesize

    336KB

  • memory/2080-65-0x0000000008770000-0x00000000089A0000-memory.dmp

    Filesize

    2.2MB

  • memory/2760-4911-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB