Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    15-06-2024 05:39

General

  • Target

    ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exe

  • Size

    697KB

  • MD5

    ad07926d2c8d7fedd597679324dffb5f

  • SHA1

    4fbce051729777098f6f801ec7cb263e70abab5e

  • SHA256

    b0810703cc36dba94108ad74d91031ac6c7a07ad87b702b8725bb9b94f263b5c

  • SHA512

    855b866aacb8f92353c5589d030a2ee156aa0cc3b682899b86602e023bf13c105420bf5b319f180df06baa782125545dfd3c602ead92b80d754bc82727dc10a4

  • SSDEEP

    12288:v+v2zv1gPFpOQWLkeqMBIfF7+GdKwOenwDkYrI6rf/lT0Q1YpOOqkttybw:Z2dQ1YABU+O6ewDkYc6m3ttys

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.nusatek.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    nusatek187753d

Signatures

  • AgentTesla

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

  • AgentTesla payload 5 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 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1244
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ieuxuL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5AC.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2592
    • C:\Users\Admin\AppData\Local\Temp\ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2992

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp5AC.tmp

    Filesize

    1KB

    MD5

    9ca20b92cc87f14c9e91d1560ef8d99a

    SHA1

    1e8fea5a82639757b09029c5f93a44376170e8a8

    SHA256

    17d307444b9a946c743c992a46c35ec8cf25ac47d927d5a31ae5742ef0d378e5

    SHA512

    ab1c19db2821c3af58a5c07a4981539b33534cdaf6695121138483bf5c2012005a94a68802f35864e3ddef5523ccc7fc84be6b52dc0a7c6f8f1eae172eaf1660

  • memory/1244-8-0x00000000044F0000-0x0000000004558000-memory.dmp

    Filesize

    416KB

  • memory/1244-3-0x00000000004E0000-0x00000000004F8000-memory.dmp

    Filesize

    96KB

  • memory/1244-1-0x0000000000940000-0x00000000009F4000-memory.dmp

    Filesize

    720KB

  • memory/1244-4-0x0000000074E3E000-0x0000000074E3F000-memory.dmp

    Filesize

    4KB

  • memory/1244-5-0x0000000074E30000-0x000000007551E000-memory.dmp

    Filesize

    6.9MB

  • memory/1244-6-0x00000000053B0000-0x0000000005438000-memory.dmp

    Filesize

    544KB

  • memory/1244-7-0x0000000000590000-0x0000000000596000-memory.dmp

    Filesize

    24KB

  • memory/1244-0-0x0000000074E3E000-0x0000000074E3F000-memory.dmp

    Filesize

    4KB

  • memory/1244-30-0x0000000074E30000-0x000000007551E000-memory.dmp

    Filesize

    6.9MB

  • memory/1244-2-0x0000000074E30000-0x000000007551E000-memory.dmp

    Filesize

    6.9MB

  • memory/2992-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2992-20-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/2992-29-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/2992-18-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/2992-26-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/2992-24-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/2992-16-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/2992-14-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB