Analysis

  • max time kernel
    141s
  • max time network
    49s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-04-2024 12:33

General

  • Target

    05332d194f758eae4b12ddda44c7dcda_JaffaCakes118.exe

  • Size

    806KB

  • MD5

    05332d194f758eae4b12ddda44c7dcda

  • SHA1

    f4adabb9f3650c4d4f1b713f00cf60dda1134cc3

  • SHA256

    5671f534a875a0e788b94fe86518fff5cd713d8df079877a319652274aa68fa0

  • SHA512

    b7129b6cfdbc23887bef311709920b1672118c61ada6ca410c2a8c3d7765ef04b39df1d98341dbec829e02dde9627f591a9b06ef53cc3d3305d86c23f7647494

  • SSDEEP

    12288:xvmIXWFDiG5FFLbbMvVEbbU4NYLsI68Y/EDlfR+k7SDCMKcaPnOz:A5XbMibnisIvYk2GMKcaPnOz

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.sardaplywood.com
  • Port:
    587
  • Username:
    superstars@sardaplywood.com
  • Password:
    sup123st45
  • Email To:
    ch3rrysamuel@yandex.com

Signatures

  • AgentTesla

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

  • 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 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 6 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\05332d194f758eae4b12ddda44c7dcda_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\05332d194f758eae4b12ddda44c7dcda_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:736
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mrBnPrWY" /XML "C:\Users\Admin\AppData\Local\Temp\tmp18C3.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1224
    • C:\Users\Admin\AppData\Local\Temp\05332d194f758eae4b12ddda44c7dcda_JaffaCakes118.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1420

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

4
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp18C3.tmp
    Filesize

    1KB

    MD5

    f023fe16da0a6fa1fa051cdabb46efb6

    SHA1

    4ff6a03f2700dacc16085a7a2e3411e35ceda61f

    SHA256

    70888c4c6f4bf891e1e1de92e15ae5a8142ea767680c739cb0b56e5925dcc724

    SHA512

    485ff92a3ad281ee308f91debf5a90f14139f2b086e92d600661af0acc77d11f7e1809455882064f55cb5861c860415f134ecf518455941c8432f4044508acc3

  • memory/736-10-0x00000000084F0000-0x0000000008580000-memory.dmp
    Filesize

    576KB

  • memory/736-3-0x00000000059A0000-0x0000000005A32000-memory.dmp
    Filesize

    584KB

  • memory/736-1-0x0000000000F20000-0x0000000000FF0000-memory.dmp
    Filesize

    832KB

  • memory/736-4-0x0000000005B60000-0x0000000005B70000-memory.dmp
    Filesize

    64KB

  • memory/736-5-0x0000000005A60000-0x0000000005A6A000-memory.dmp
    Filesize

    40KB

  • memory/736-6-0x0000000006CF0000-0x0000000006D8C000-memory.dmp
    Filesize

    624KB

  • memory/736-7-0x0000000005CD0000-0x0000000005CE2000-memory.dmp
    Filesize

    72KB

  • memory/736-8-0x0000000075220000-0x00000000759D0000-memory.dmp
    Filesize

    7.7MB

  • memory/736-11-0x000000000ACC0000-0x000000000AD42000-memory.dmp
    Filesize

    520KB

  • memory/736-0-0x0000000075220000-0x00000000759D0000-memory.dmp
    Filesize

    7.7MB

  • memory/736-19-0x0000000075220000-0x00000000759D0000-memory.dmp
    Filesize

    7.7MB

  • memory/736-2-0x0000000006040000-0x00000000065E4000-memory.dmp
    Filesize

    5.6MB

  • memory/736-9-0x0000000005B60000-0x0000000005B70000-memory.dmp
    Filesize

    64KB

  • memory/1420-17-0x0000000075220000-0x00000000759D0000-memory.dmp
    Filesize

    7.7MB

  • memory/1420-25-0x00000000059D0000-0x00000000059E0000-memory.dmp
    Filesize

    64KB

  • memory/1420-18-0x00000000059D0000-0x00000000059E0000-memory.dmp
    Filesize

    64KB

  • memory/1420-20-0x0000000005960000-0x0000000005978000-memory.dmp
    Filesize

    96KB

  • memory/1420-21-0x0000000005BF0000-0x0000000005C56000-memory.dmp
    Filesize

    408KB

  • memory/1420-22-0x0000000075220000-0x00000000759D0000-memory.dmp
    Filesize

    7.7MB

  • memory/1420-23-0x00000000059D0000-0x00000000059E0000-memory.dmp
    Filesize

    64KB

  • memory/1420-24-0x0000000006A40000-0x0000000006A90000-memory.dmp
    Filesize

    320KB

  • memory/1420-15-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB