Analysis

  • max time kernel
    120s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    14-05-2024 01:11

General

  • Target

    c53503eba1b0a2cbeb5256d0bd97e9391ad29ffa1a60ac0a649bd6c200e8685a.exe

  • Size

    205KB

  • MD5

    010dbf456935b406fdc12b61bfe4960c

  • SHA1

    792ab3f9831abb58ac79a2f6a7801226f5460be2

  • SHA256

    c53503eba1b0a2cbeb5256d0bd97e9391ad29ffa1a60ac0a649bd6c200e8685a

  • SHA512

    86c691a22bf467985dbf1dacc9ace17fd30b6cd2b8b26220df0f5b9fe4e016624c8061c6cbd78d5223709a065fe2ff6c26ce5e7ee087a5e00f298b3d9384bdfd

  • SSDEEP

    3072:3qNnCDDRvLGprOAOkGt6+duWA/t/SHUebbxCbGgKk12qk/FPYm21KLbDoUssNXNG:GstvLGcxLbMUMK2FH

Malware Config

Extracted

Family

agenttesla

Credentials

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 1 IoCs
  • Detect ZGRat V1 35 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 2 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 2 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 7 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c53503eba1b0a2cbeb5256d0bd97e9391ad29ffa1a60ac0a649bd6c200e8685a.exe
    "C:\Users\Admin\AppData\Local\Temp\c53503eba1b0a2cbeb5256d0bd97e9391ad29ffa1a60ac0a649bd6c200e8685a.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2492
    • C:\Users\Admin\AppData\Local\Temp\Udzlkct.exe
      "C:\Users\Admin\AppData\Local\Temp\Udzlkct.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1376
      • C:\Users\Admin\AppData\Local\Temp\Udzlkct.exe
        "C:\Users\Admin\AppData\Local\Temp\Udzlkct.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:3400
    • C:\Users\Admin\AppData\Local\Temp\c53503eba1b0a2cbeb5256d0bd97e9391ad29ffa1a60ac0a649bd6c200e8685a.exe
      "C:\Users\Admin\AppData\Local\Temp\c53503eba1b0a2cbeb5256d0bd97e9391ad29ffa1a60ac0a649bd6c200e8685a.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2880

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \??\c:\users\admin\appdata\roaming\savef.exe

    Filesize

    205KB

    MD5

    22e5919e552415e5d448f4fa4dfbe9d8

    SHA1

    1df4faafb45b643b94080b5abe61b0ea84cc379e

    SHA256

    64ec5860e7951894acae5d628baca237e2ff4ce45f12dc154c3d9da5aa55fd90

    SHA512

    28a77aa8460831fd3cad55068baad217d9542960cd4db71f9cd8a2196cf25d47b1bc7bb1777f8d10af546283fa6538f41e905b9f9c5725e1f84902e0d7318e2a

  • \Users\Admin\AppData\Local\Temp\Udzlkct.exe

    Filesize

    205KB

    MD5

    db5f32c4b447b0043c973905856e035c

    SHA1

    290ce53a1ec22698b401f303b7bd57e469f5c0b4

    SHA256

    f3c0c576ef9fe96da5c7bdbb72384ac195383058f1cf999dd435f0f94779d35e

    SHA512

    a6119d265878a77c6f50ce5b8298638f01ef54f9fa47dfdbabdb66805d87bb8d42df9ba0f45120ffe3f0a479496a8331e31a9ae5cc4bdebf216483288ec1f837

  • memory/1376-9821-0x0000000074060000-0x000000007474E000-memory.dmp

    Filesize

    6.9MB

  • memory/1376-9797-0x0000000074060000-0x000000007474E000-memory.dmp

    Filesize

    6.9MB

  • memory/1376-9796-0x00000000055E0000-0x000000000563C000-memory.dmp

    Filesize

    368KB

  • memory/1376-4915-0x00000000089C0000-0x0000000008BE0000-memory.dmp

    Filesize

    2.1MB

  • memory/1376-4912-0x0000000074060000-0x000000007474E000-memory.dmp

    Filesize

    6.9MB

  • memory/1376-4900-0x0000000074060000-0x000000007474E000-memory.dmp

    Filesize

    6.9MB

  • memory/1376-4897-0x00000000002B0000-0x00000000002E6000-memory.dmp

    Filesize

    216KB

  • memory/2492-35-0x0000000008700000-0x000000000893E000-memory.dmp

    Filesize

    2.2MB

  • memory/2492-25-0x0000000008700000-0x000000000893E000-memory.dmp

    Filesize

    2.2MB

  • memory/2492-13-0x0000000008700000-0x000000000893E000-memory.dmp

    Filesize

    2.2MB

  • memory/2492-42-0x0000000008700000-0x000000000893E000-memory.dmp

    Filesize

    2.2MB

  • memory/2492-60-0x0000000008700000-0x000000000893E000-memory.dmp

    Filesize

    2.2MB

  • memory/2492-33-0x0000000008700000-0x000000000893E000-memory.dmp

    Filesize

    2.2MB

  • memory/2492-65-0x0000000008700000-0x000000000893E000-memory.dmp

    Filesize

    2.2MB

  • memory/2492-67-0x0000000008700000-0x000000000893E000-memory.dmp

    Filesize

    2.2MB

  • memory/2492-63-0x0000000008700000-0x000000000893E000-memory.dmp

    Filesize

    2.2MB

  • memory/2492-57-0x0000000008700000-0x000000000893E000-memory.dmp

    Filesize

    2.2MB

  • memory/2492-55-0x0000000008700000-0x000000000893E000-memory.dmp

    Filesize

    2.2MB

  • memory/2492-53-0x0000000008700000-0x000000000893E000-memory.dmp

    Filesize

    2.2MB

  • memory/2492-51-0x0000000008700000-0x000000000893E000-memory.dmp

    Filesize

    2.2MB

  • memory/2492-49-0x0000000008700000-0x000000000893E000-memory.dmp

    Filesize

    2.2MB

  • memory/2492-47-0x0000000008700000-0x000000000893E000-memory.dmp

    Filesize

    2.2MB

  • memory/2492-45-0x0000000008700000-0x000000000893E000-memory.dmp

    Filesize

    2.2MB

  • memory/2492-43-0x0000000008700000-0x000000000893E000-memory.dmp

    Filesize

    2.2MB

  • memory/2492-39-0x0000000008700000-0x000000000893E000-memory.dmp

    Filesize

    2.2MB

  • memory/2492-37-0x0000000008700000-0x000000000893E000-memory.dmp

    Filesize

    2.2MB

  • memory/2492-0-0x000000007406E000-0x000000007406F000-memory.dmp

    Filesize

    4KB

  • memory/2492-31-0x0000000008700000-0x000000000893E000-memory.dmp

    Filesize

    2.2MB

  • memory/2492-29-0x0000000008700000-0x000000000893E000-memory.dmp

    Filesize

    2.2MB

  • memory/2492-27-0x0000000008700000-0x000000000893E000-memory.dmp

    Filesize

    2.2MB

  • memory/2492-19-0x0000000008700000-0x000000000893E000-memory.dmp

    Filesize

    2.2MB

  • memory/2492-24-0x0000000008700000-0x000000000893E000-memory.dmp

    Filesize

    2.2MB

  • memory/2492-11-0x0000000008700000-0x000000000893E000-memory.dmp

    Filesize

    2.2MB

  • memory/2492-61-0x0000000008700000-0x000000000893E000-memory.dmp

    Filesize

    2.2MB

  • memory/2492-7-0x0000000008700000-0x000000000893E000-memory.dmp

    Filesize

    2.2MB

  • memory/2492-4884-0x0000000074060000-0x000000007474E000-memory.dmp

    Filesize

    6.9MB

  • memory/2492-4886-0x0000000000B90000-0x0000000000BDC000-memory.dmp

    Filesize

    304KB

  • memory/2492-4885-0x0000000000AA0000-0x0000000000B20000-memory.dmp

    Filesize

    512KB

  • memory/2492-4887-0x000000007406E000-0x000000007406F000-memory.dmp

    Filesize

    4KB

  • memory/2492-4888-0x0000000074060000-0x000000007474E000-memory.dmp

    Filesize

    6.9MB

  • memory/2492-4889-0x0000000074060000-0x000000007474E000-memory.dmp

    Filesize

    6.9MB

  • memory/2492-21-0x0000000008700000-0x000000000893E000-memory.dmp

    Filesize

    2.2MB

  • memory/2492-5-0x0000000008700000-0x000000000893E000-memory.dmp

    Filesize

    2.2MB

  • memory/2492-4898-0x00000000012F0000-0x0000000001344000-memory.dmp

    Filesize

    336KB

  • memory/2492-17-0x0000000008700000-0x000000000893E000-memory.dmp

    Filesize

    2.2MB

  • memory/2492-1-0x0000000001350000-0x0000000001386000-memory.dmp

    Filesize

    216KB

  • memory/2492-4-0x0000000008700000-0x000000000893E000-memory.dmp

    Filesize

    2.2MB

  • memory/2492-4914-0x0000000074060000-0x000000007474E000-memory.dmp

    Filesize

    6.9MB

  • memory/2492-15-0x0000000008700000-0x000000000893E000-memory.dmp

    Filesize

    2.2MB

  • memory/2492-9-0x0000000008700000-0x000000000893E000-memory.dmp

    Filesize

    2.2MB

  • memory/2492-3-0x0000000008700000-0x0000000008944000-memory.dmp

    Filesize

    2.3MB

  • memory/2492-2-0x0000000074060000-0x000000007474E000-memory.dmp

    Filesize

    6.9MB

  • memory/2880-4913-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3400-9820-0x00000000000C0000-0x00000000000D0000-memory.dmp

    Filesize

    64KB