Analysis

  • max time kernel
    120s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    07-05-2024 01:09

General

  • Target

    0b7c33fe389af74c03a86ac689246634f1d6c9c5d4d08fb96b0e62e430cf6c09.exe

  • Size

    152KB

  • MD5

    0683f3d988b62bf30b159a523c459f0b

  • SHA1

    93aed0b8d760c8eaa92fb8b2316254b38c9619bf

  • SHA256

    0b7c33fe389af74c03a86ac689246634f1d6c9c5d4d08fb96b0e62e430cf6c09

  • SHA512

    9645e7f840a76a0465f22009d82e2ab87ffd1a32035deec66452838c2fccfb6a00c671e0534587b96c989546bec3cc1029e48ecda2a6328fb8483d576406c61a

  • SSDEEP

    3072:ovNRUMcuby5K1ZW09rITytApFUKjbob69/:oFRhV25II5pFVH8w

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1263338506:AAEo1afaqZcanZqwKGJF2HA7xr6YOHyXHtU/

Signatures

  • AgentTesla

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

  • Detect ZGRat V1 36 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Downloads MZ/PE file
  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 41 IoCs
  • 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
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0b7c33fe389af74c03a86ac689246634f1d6c9c5d4d08fb96b0e62e430cf6c09.exe
    "C:\Users\Admin\AppData\Local\Temp\0b7c33fe389af74c03a86ac689246634f1d6c9c5d4d08fb96b0e62e430cf6c09.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2380
    • C:\Users\Admin\AppData\Local\Temp\0b7c33fe389af74c03a86ac689246634f1d6c9c5d4d08fb96b0e62e430cf6c09.exe
      "C:\Users\Admin\AppData\Local\Temp\0b7c33fe389af74c03a86ac689246634f1d6c9c5d4d08fb96b0e62e430cf6c09.exe"
      2⤵
      • Loads dropped DLL
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2832
      • C:\Users\Admin\AppData\Local\Temp\Wxenfpu.exe
        "C:\Users\Admin\AppData\Local\Temp\Wxenfpu.exe"
        3⤵
        • 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:5096
        • C:\Users\Admin\AppData\Local\Temp\Wxenfpu.exe
          "C:\Users\Admin\AppData\Local\Temp\Wxenfpu.exe"
          4⤵
          • Executes dropped EXE
          • Accesses Microsoft Outlook profiles
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • outlook_office_path
          • outlook_win_path
          PID:2524

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Wmxwz.tmpdb

    Filesize

    148KB

    MD5

    90a1d4b55edf36fa8b4cc6974ed7d4c4

    SHA1

    aba1b8d0e05421e7df5982899f626211c3c4b5c1

    SHA256

    7cf3e9e8619904e72ea6608cc43e9b6c9f8aa2af02476f60c2b3daf33075981c

    SHA512

    ea0838be754e1258c230111900c5937d2b0788f90bbf7c5f82b2ceda7868e50afb86c301f313267eaa912778da45755560b5434885521bf915967a7863922ae2

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

    Filesize

    2.3MB

    MD5

    d7cc5a8800c24768b4a36e47f224c1cf

    SHA1

    6b22e32f1e4f7b71bfbe9afff8a886e1ba9728f6

    SHA256

    9c4065bab9179414e03b6633e58941b215dd2334fe30cbf52d71d0b2b57ff82c

    SHA512

    96c691f26976847218c59c9975eb442316d057b07f19b19c478e38a65a75ea7649d734ee66910c0054098e0d8b0a82d51364e6b4218b17f5746c4586356877f1

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

    Filesize

    2.3MB

    MD5

    b5b77f0c912f438cbc5142c42818fa29

    SHA1

    94b5df605f00d34581435e3ca10b47094e31c0ab

    SHA256

    ab3f0c321894430eed1ba65eca338a0471e18ba82cdd554084ed63f36ff91dce

    SHA512

    87a1fbb1b8187377997b219bf6b286102648ff913ab0d73c78c67bee443702e9824bc14e980a2d38e5ece9a1fccc6e134f5dfa6f2b9bd9604ccb0d140418424f

  • memory/2380-41-0x0000000007920000-0x0000000007C06000-memory.dmp

    Filesize

    2.9MB

  • memory/2380-19-0x0000000007920000-0x0000000007C06000-memory.dmp

    Filesize

    2.9MB

  • memory/2380-2-0x00000000748B0000-0x0000000074F9E000-memory.dmp

    Filesize

    6.9MB

  • memory/2380-3-0x0000000007920000-0x0000000007C0C000-memory.dmp

    Filesize

    2.9MB

  • memory/2380-4-0x0000000007920000-0x0000000007C06000-memory.dmp

    Filesize

    2.9MB

  • memory/2380-15-0x0000000007920000-0x0000000007C06000-memory.dmp

    Filesize

    2.9MB

  • memory/2380-35-0x0000000007920000-0x0000000007C06000-memory.dmp

    Filesize

    2.9MB

  • memory/2380-5-0x0000000007920000-0x0000000007C06000-memory.dmp

    Filesize

    2.9MB

  • memory/2380-21-0x0000000007920000-0x0000000007C06000-memory.dmp

    Filesize

    2.9MB

  • memory/2380-23-0x0000000007920000-0x0000000007C06000-memory.dmp

    Filesize

    2.9MB

  • memory/2380-25-0x0000000007920000-0x0000000007C06000-memory.dmp

    Filesize

    2.9MB

  • memory/2380-17-0x0000000007920000-0x0000000007C06000-memory.dmp

    Filesize

    2.9MB

  • memory/2380-28-0x0000000007920000-0x0000000007C06000-memory.dmp

    Filesize

    2.9MB

  • memory/2380-39-0x0000000007920000-0x0000000007C06000-memory.dmp

    Filesize

    2.9MB

  • memory/2380-43-0x0000000007920000-0x0000000007C06000-memory.dmp

    Filesize

    2.9MB

  • memory/2380-47-0x0000000007920000-0x0000000007C06000-memory.dmp

    Filesize

    2.9MB

  • memory/2380-51-0x0000000007920000-0x0000000007C06000-memory.dmp

    Filesize

    2.9MB

  • memory/2380-55-0x0000000007920000-0x0000000007C06000-memory.dmp

    Filesize

    2.9MB

  • memory/2380-57-0x0000000007920000-0x0000000007C06000-memory.dmp

    Filesize

    2.9MB

  • memory/2380-33-0x0000000007920000-0x0000000007C06000-memory.dmp

    Filesize

    2.9MB

  • memory/2380-67-0x0000000007920000-0x0000000007C06000-memory.dmp

    Filesize

    2.9MB

  • memory/2380-65-0x0000000007920000-0x0000000007C06000-memory.dmp

    Filesize

    2.9MB

  • memory/2380-63-0x0000000007920000-0x0000000007C06000-memory.dmp

    Filesize

    2.9MB

  • memory/2380-59-0x0000000007920000-0x0000000007C06000-memory.dmp

    Filesize

    2.9MB

  • memory/2380-53-0x0000000007920000-0x0000000007C06000-memory.dmp

    Filesize

    2.9MB

  • memory/2380-49-0x0000000007920000-0x0000000007C06000-memory.dmp

    Filesize

    2.9MB

  • memory/2380-45-0x0000000007920000-0x0000000007C06000-memory.dmp

    Filesize

    2.9MB

  • memory/2380-0-0x00000000748BE000-0x00000000748BF000-memory.dmp

    Filesize

    4KB

  • memory/2380-37-0x0000000007920000-0x0000000007C06000-memory.dmp

    Filesize

    2.9MB

  • memory/2380-1-0x00000000002D0000-0x00000000002F8000-memory.dmp

    Filesize

    160KB

  • memory/2380-61-0x0000000007920000-0x0000000007C06000-memory.dmp

    Filesize

    2.9MB

  • memory/2380-31-0x0000000007920000-0x0000000007C06000-memory.dmp

    Filesize

    2.9MB

  • memory/2380-29-0x0000000007920000-0x0000000007C06000-memory.dmp

    Filesize

    2.9MB

  • memory/2380-13-0x0000000007920000-0x0000000007C06000-memory.dmp

    Filesize

    2.9MB

  • memory/2380-11-0x0000000007920000-0x0000000007C06000-memory.dmp

    Filesize

    2.9MB

  • memory/2380-9-0x0000000007920000-0x0000000007C06000-memory.dmp

    Filesize

    2.9MB

  • memory/2380-7-0x0000000007920000-0x0000000007C06000-memory.dmp

    Filesize

    2.9MB

  • memory/2380-4884-0x00000000748B0000-0x0000000074F9E000-memory.dmp

    Filesize

    6.9MB

  • memory/2380-4886-0x0000000004C90000-0x0000000004CDC000-memory.dmp

    Filesize

    304KB

  • memory/2380-4885-0x0000000006540000-0x0000000006668000-memory.dmp

    Filesize

    1.2MB

  • memory/2380-4887-0x00000000053E0000-0x0000000005434000-memory.dmp

    Filesize

    336KB

  • memory/2380-4906-0x00000000748B0000-0x0000000074F9E000-memory.dmp

    Filesize

    6.9MB

  • memory/2524-12146-0x00000000000F0000-0x0000000000132000-memory.dmp

    Filesize

    264KB

  • memory/2832-7200-0x00000000020A0000-0x000000000213E000-memory.dmp

    Filesize

    632KB

  • memory/2832-7203-0x00000000064B0000-0x000000000652A000-memory.dmp

    Filesize

    488KB

  • memory/2832-7202-0x0000000001F60000-0x0000000001F6A000-memory.dmp

    Filesize

    40KB

  • memory/2832-5089-0x00000000748B0000-0x0000000074F9E000-memory.dmp

    Filesize

    6.9MB

  • memory/2832-4905-0x0000000000150000-0x0000000000228000-memory.dmp

    Filesize

    864KB

  • memory/2832-7201-0x0000000002340000-0x00000000023B0000-memory.dmp

    Filesize

    448KB

  • memory/2832-5104-0x00000000748B0000-0x0000000074F9E000-memory.dmp

    Filesize

    6.9MB

  • memory/2832-4907-0x0000000004950000-0x0000000004A66000-memory.dmp

    Filesize

    1.1MB

  • memory/2832-7233-0x00000000748B0000-0x0000000074F9E000-memory.dmp

    Filesize

    6.9MB

  • memory/2832-7241-0x00000000748B0000-0x0000000074F9E000-memory.dmp

    Filesize

    6.9MB

  • memory/5096-7240-0x0000000000310000-0x0000000000562000-memory.dmp

    Filesize

    2.3MB

  • memory/5096-7242-0x0000000004CD0000-0x0000000004F00000-memory.dmp

    Filesize

    2.2MB

  • memory/5096-12123-0x0000000004AD0000-0x0000000004B3C000-memory.dmp

    Filesize

    432KB

  • memory/5096-12124-0x0000000004A30000-0x0000000004A84000-memory.dmp

    Filesize

    336KB