Analysis

  • max time kernel
    124s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-01-2025 10:14

General

  • Target

    JaffaCakes118_e1aaa1e3dec10d718e4e84910551a653.exe

  • Size

    731KB

  • MD5

    e1aaa1e3dec10d718e4e84910551a653

  • SHA1

    7dd70ebbe1edcb54243f7121078b1d830d2c0037

  • SHA256

    4b262f1bd085b52cf50d807380725e06f3728f34ca554c1b364cc88a58f55d8a

  • SHA512

    a3628f9dbe9feaf7bbf1aae4a38798ebf811bbe9657c6df2866d1e355fa3200c3f6a69ebeb316ec65109b14e1a77d4967a83904fd168334e2f7d626410257616

  • SSDEEP

    12288:jQKlh08OGQuZLvqJFTP8TQ/8SfwH5ADOfW3jCaFUmMKWOTevZHQxtnAZTrBhe43:4nGQYTqD/DwiKfW3j9UVvZHQTE

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Agenttesla family
  • AgentTesla payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e1aaa1e3dec10d718e4e84910551a653.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e1aaa1e3dec10d718e4e84910551a653.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3264
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RdkbDKRksCKjc" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA4C.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4744
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e1aaa1e3dec10d718e4e84910551a653.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:872

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpA4C.tmp

    Filesize

    1KB

    MD5

    918166176786e5a8ea956412e3a80e50

    SHA1

    66a0bd61fb6390fab2353de1edb5738342162b6c

    SHA256

    949ca40f1203bc4921abf1ae7fd8ef458207239c821896abd56420601df3d59f

    SHA512

    7b47fba930af19c42dd184b5669f2c3f89e2a78090253903705c172e2d3981ae2a5fb910d21f9ac362567dddb8c1c95ac3bf30a80170b52852ba4603e291fa97

  • memory/872-29-0x0000000074B80000-0x0000000075330000-memory.dmp

    Filesize

    7.7MB

  • memory/872-28-0x0000000074B80000-0x0000000075330000-memory.dmp

    Filesize

    7.7MB

  • memory/872-27-0x0000000006920000-0x0000000006970000-memory.dmp

    Filesize

    320KB

  • memory/872-24-0x0000000074B80000-0x0000000075330000-memory.dmp

    Filesize

    7.7MB

  • memory/872-23-0x0000000074B80000-0x0000000075330000-memory.dmp

    Filesize

    7.7MB

  • memory/872-22-0x00000000063D0000-0x0000000006436000-memory.dmp

    Filesize

    408KB

  • memory/872-21-0x0000000005720000-0x0000000005738000-memory.dmp

    Filesize

    96KB

  • memory/872-20-0x0000000074B80000-0x0000000075330000-memory.dmp

    Filesize

    7.7MB

  • memory/872-18-0x0000000074B80000-0x0000000075330000-memory.dmp

    Filesize

    7.7MB

  • memory/872-16-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/3264-6-0x0000000074B80000-0x0000000075330000-memory.dmp

    Filesize

    7.7MB

  • memory/3264-7-0x0000000005630000-0x0000000005686000-memory.dmp

    Filesize

    344KB

  • memory/3264-11-0x0000000006840000-0x00000000068C2000-memory.dmp

    Filesize

    520KB

  • memory/3264-10-0x0000000074B80000-0x0000000075330000-memory.dmp

    Filesize

    7.7MB

  • memory/3264-9-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

    Filesize

    4KB

  • memory/3264-8-0x0000000005500000-0x0000000005514000-memory.dmp

    Filesize

    80KB

  • memory/3264-19-0x0000000074B80000-0x0000000075330000-memory.dmp

    Filesize

    7.7MB

  • memory/3264-12-0x0000000006900000-0x000000000693C000-memory.dmp

    Filesize

    240KB

  • memory/3264-0-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

    Filesize

    4KB

  • memory/3264-5-0x00000000052B0000-0x00000000052BA000-memory.dmp

    Filesize

    40KB

  • memory/3264-4-0x00000000053E0000-0x0000000005472000-memory.dmp

    Filesize

    584KB

  • memory/3264-3-0x0000000005990000-0x0000000005F34000-memory.dmp

    Filesize

    5.6MB

  • memory/3264-2-0x0000000005340000-0x00000000053DC000-memory.dmp

    Filesize

    624KB

  • memory/3264-1-0x0000000000980000-0x0000000000A3E000-memory.dmp

    Filesize

    760KB