Analysis

  • max time kernel
    93s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-09-2024 16:35

General

  • Target

    edff585d4793c8d312195a07fa377c58_JaffaCakes118.exe

  • Size

    378KB

  • MD5

    edff585d4793c8d312195a07fa377c58

  • SHA1

    c16a7e3f52afc2c3927db875df3bec7d6d835344

  • SHA256

    6e427ef05ea69011294442225137a849c1a5c70234529dc8c60b798b5d108781

  • SHA512

    5268c202983e9e8f420c2349d97b8c054ea9e9100fd8b436ba904c165ba0d34f11c9ced69935530fa396c38a08ca1b2c8367157b49855aedb80ced92c3c85589

  • SSDEEP

    6144:bcVn8Y/2+3x5spUN1yY0zyZgkoqn9onD4EpvurP:Q58WhWmNEYOyekx9onD4Ehu7

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.1and1.es
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    elsecreto2019

Signatures

  • AgentTesla

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

  • AgentTesla payload 1 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • System Binary Proxy Execution: InstallUtil 1 TTPs 2 IoCs

    Abuse InstallUtil to proxy execution of malicious code.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 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
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\edff585d4793c8d312195a07fa377c58_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\edff585d4793c8d312195a07fa377c58_JaffaCakes118.exe"
    1⤵
    • System Binary Proxy Execution: InstallUtil
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2884
    • C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
      "C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
      2⤵
      • Executes dropped EXE
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4320

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\4acacee3-cefe-4dab-b6f1-01f9a63ec79a\e.dll

    Filesize

    94KB

    MD5

    14ff402962ad21b78ae0b4c43cd1f194

    SHA1

    f8a510eb26666e875a5bdd1cadad40602763ad72

    SHA256

    fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b

    SHA512

    daa7a08bf3709119a944bce28f6ebdd24e54a22b18cd9f86a87873e958df121a3881dcdd5e162f6b4e543238c7aef20f657c9830df01d4c79290f7c9a4fcc54b

  • C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe

    Filesize

    41KB

    MD5

    5d4073b2eb6d217c19f2b22f21bf8d57

    SHA1

    f0209900fbf08d004b886a0b3ba33ea2b0bf9da8

    SHA256

    ac1a3f21fcc88f9cee7bf51581eafba24cc76c924f0821deb2afdf1080ddf3d3

    SHA512

    9ac94880684933ba3407cdc135abc3047543436567af14cd9269c4adc5a6535db7b867d6de0d6238a21b94e69f9890dbb5739155871a624520623a7e56872159

  • memory/2884-0-0x000000007535E000-0x000000007535F000-memory.dmp

    Filesize

    4KB

  • memory/2884-1-0x0000000000A30000-0x0000000000A94000-memory.dmp

    Filesize

    400KB

  • memory/2884-3-0x0000000002E60000-0x0000000002E8C000-memory.dmp

    Filesize

    176KB

  • memory/2884-2-0x0000000075350000-0x0000000075B00000-memory.dmp

    Filesize

    7.7MB

  • memory/2884-4-0x0000000005BC0000-0x0000000006164000-memory.dmp

    Filesize

    5.6MB

  • memory/2884-5-0x0000000005430000-0x0000000005474000-memory.dmp

    Filesize

    272KB

  • memory/2884-6-0x0000000005560000-0x00000000055F2000-memory.dmp

    Filesize

    584KB

  • memory/2884-35-0x0000000002E60000-0x0000000002E85000-memory.dmp

    Filesize

    148KB

  • memory/2884-78-0x0000000002E60000-0x0000000002E85000-memory.dmp

    Filesize

    148KB

  • memory/2884-77-0x0000000002E60000-0x0000000002E85000-memory.dmp

    Filesize

    148KB

  • memory/2884-74-0x0000000002E60000-0x0000000002E85000-memory.dmp

    Filesize

    148KB

  • memory/2884-72-0x0000000002E60000-0x0000000002E85000-memory.dmp

    Filesize

    148KB

  • memory/2884-70-0x0000000002E60000-0x0000000002E85000-memory.dmp

    Filesize

    148KB

  • memory/2884-68-0x0000000002E60000-0x0000000002E85000-memory.dmp

    Filesize

    148KB

  • memory/2884-67-0x0000000002E60000-0x0000000002E85000-memory.dmp

    Filesize

    148KB

  • memory/2884-64-0x0000000002E60000-0x0000000002E85000-memory.dmp

    Filesize

    148KB

  • memory/2884-63-0x0000000002E60000-0x0000000002E85000-memory.dmp

    Filesize

    148KB

  • memory/2884-61-0x0000000002E60000-0x0000000002E85000-memory.dmp

    Filesize

    148KB

  • memory/2884-58-0x0000000002E60000-0x0000000002E85000-memory.dmp

    Filesize

    148KB

  • memory/2884-56-0x0000000002E60000-0x0000000002E85000-memory.dmp

    Filesize

    148KB

  • memory/2884-54-0x0000000002E60000-0x0000000002E85000-memory.dmp

    Filesize

    148KB

  • memory/2884-52-0x0000000002E60000-0x0000000002E85000-memory.dmp

    Filesize

    148KB

  • memory/2884-51-0x0000000002E60000-0x0000000002E85000-memory.dmp

    Filesize

    148KB

  • memory/2884-48-0x0000000002E60000-0x0000000002E85000-memory.dmp

    Filesize

    148KB

  • memory/2884-46-0x0000000002E60000-0x0000000002E85000-memory.dmp

    Filesize

    148KB

  • memory/2884-44-0x0000000002E60000-0x0000000002E85000-memory.dmp

    Filesize

    148KB

  • memory/2884-42-0x0000000002E60000-0x0000000002E85000-memory.dmp

    Filesize

    148KB

  • memory/2884-40-0x0000000002E60000-0x0000000002E85000-memory.dmp

    Filesize

    148KB

  • memory/2884-38-0x0000000002E60000-0x0000000002E85000-memory.dmp

    Filesize

    148KB

  • memory/2884-36-0x0000000002E60000-0x0000000002E85000-memory.dmp

    Filesize

    148KB

  • memory/2884-33-0x0000000002E60000-0x0000000002E85000-memory.dmp

    Filesize

    148KB

  • memory/2884-31-0x0000000002E60000-0x0000000002E85000-memory.dmp

    Filesize

    148KB

  • memory/2884-28-0x0000000002E60000-0x0000000002E85000-memory.dmp

    Filesize

    148KB

  • memory/2884-26-0x0000000002E60000-0x0000000002E85000-memory.dmp

    Filesize

    148KB

  • memory/2884-24-0x0000000002E60000-0x0000000002E85000-memory.dmp

    Filesize

    148KB

  • memory/2884-22-0x0000000002E60000-0x0000000002E85000-memory.dmp

    Filesize

    148KB

  • memory/2884-20-0x0000000002E60000-0x0000000002E85000-memory.dmp

    Filesize

    148KB

  • memory/2884-18-0x0000000002E60000-0x0000000002E85000-memory.dmp

    Filesize

    148KB

  • memory/2884-16-0x0000000002E60000-0x0000000002E85000-memory.dmp

    Filesize

    148KB

  • memory/2884-15-0x0000000002E60000-0x0000000002E85000-memory.dmp

    Filesize

    148KB

  • memory/2884-14-0x0000000073DE0000-0x0000000073E69000-memory.dmp

    Filesize

    548KB

  • memory/2884-195-0x000000007535E000-0x000000007535F000-memory.dmp

    Filesize

    4KB

  • memory/2884-196-0x0000000075350000-0x0000000075B00000-memory.dmp

    Filesize

    7.7MB

  • memory/2884-197-0x0000000075350000-0x0000000075B00000-memory.dmp

    Filesize

    7.7MB

  • memory/2884-199-0x0000000075350000-0x0000000075B00000-memory.dmp

    Filesize

    7.7MB

  • memory/2884-200-0x0000000006700000-0x000000000670C000-memory.dmp

    Filesize

    48KB

  • memory/2884-206-0x0000000075350000-0x0000000075B00000-memory.dmp

    Filesize

    7.7MB

  • memory/4320-207-0x0000000075350000-0x0000000075B00000-memory.dmp

    Filesize

    7.7MB

  • memory/4320-208-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB

  • memory/4320-209-0x0000000075350000-0x0000000075B00000-memory.dmp

    Filesize

    7.7MB

  • memory/4320-210-0x0000000004FD0000-0x000000000506C000-memory.dmp

    Filesize

    624KB

  • memory/4320-211-0x0000000004FA0000-0x0000000004FB8000-memory.dmp

    Filesize

    96KB

  • memory/4320-212-0x0000000005C50000-0x0000000005CB6000-memory.dmp

    Filesize

    408KB

  • memory/4320-213-0x00000000060D0000-0x0000000006120000-memory.dmp

    Filesize

    320KB

  • memory/4320-214-0x00000000063A0000-0x00000000063AA000-memory.dmp

    Filesize

    40KB

  • memory/4320-215-0x0000000075350000-0x0000000075B00000-memory.dmp

    Filesize

    7.7MB

  • memory/4320-216-0x0000000075350000-0x0000000075B00000-memory.dmp

    Filesize

    7.7MB