Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    05-06-2024 07:38

General

  • Target

    977f9e0b8f29cfb5e26c703efe5c4122_JaffaCakes118.exe

  • Size

    904KB

  • MD5

    977f9e0b8f29cfb5e26c703efe5c4122

  • SHA1

    ef7dd92ea915dd0e26887263990ce759e93f7b3f

  • SHA256

    b1d6e5a8a00ec4381ba324de028255abcd56c7b297cb4c1c1e9795d16b954be1

  • SHA512

    3e21b731d1c4d1442c814aaab0767847002663c909baf148b50abb5f3898b15dc8f4b72aa014c58650697a7497e507a6eb49cced2ff3ced4aa1e2147d5845f9f

  • SSDEEP

    12288:+wUHY8EnX2EF2RNMtcMvvv7LCOVbPPmvo8m3vwzhxgzBUDGS2A3opdEHbksca:+CnX2EF9tPvvj+ebPOLzg+iONH4sca

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.alandalustobacco.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    xyz@zxy#869

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
  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\977f9e0b8f29cfb5e26c703efe5c4122_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\977f9e0b8f29cfb5e26c703efe5c4122_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1960
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yjZtcnDvVoxiY" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDE2F.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2416
    • C:\Users\Admin\AppData\Local\Temp\977f9e0b8f29cfb5e26c703efe5c4122_JaffaCakes118.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2496

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpDE2F.tmp

    Filesize

    1KB

    MD5

    4ec2edce16b9ec40e5eee6680fccb557

    SHA1

    266fab349460a4c92622525408efad966c682f0c

    SHA256

    ec19950318b990333afb18effdcafe388a4a0f955a67d3f480a1f5ba1f8d9c8c

    SHA512

    9beb545cd7df8ffd503ae76e19db77f280cf85bfa6010e590641163f484bff4d63fed4ff803f8aacaff574065d58ba91dee8010cbec9250264596be3666f6288

  • memory/1960-0-0x00000000746A1000-0x00000000746A2000-memory.dmp

    Filesize

    4KB

  • memory/1960-1-0x00000000746A0000-0x0000000074C4B000-memory.dmp

    Filesize

    5.7MB

  • memory/1960-2-0x00000000746A0000-0x0000000074C4B000-memory.dmp

    Filesize

    5.7MB

  • memory/1960-3-0x00000000746A0000-0x0000000074C4B000-memory.dmp

    Filesize

    5.7MB

  • memory/1960-4-0x00000000746A0000-0x0000000074C4B000-memory.dmp

    Filesize

    5.7MB

  • memory/1960-23-0x00000000746A0000-0x0000000074C4B000-memory.dmp

    Filesize

    5.7MB

  • memory/2496-19-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/2496-21-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/2496-17-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/2496-22-0x00000000746A0000-0x0000000074C4B000-memory.dmp

    Filesize

    5.7MB

  • memory/2496-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2496-13-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/2496-11-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/2496-10-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/2496-8-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/2496-24-0x00000000746A0000-0x0000000074C4B000-memory.dmp

    Filesize

    5.7MB