Analysis

  • max time kernel
    96s
  • 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
    13-09-2024 01:13

General

  • Target

    dd634978dddca325b16ad844dfdaca7b_JaffaCakes118.exe

  • Size

    379KB

  • MD5

    dd634978dddca325b16ad844dfdaca7b

  • SHA1

    d09c2d4945bd78a30b7376aceb8662d396980e19

  • SHA256

    02cacd6026e8ad2157e15edd10b12b2b4a76762104a6551cfd861ae302ccaf8f

  • SHA512

    e28c3b6bb7951944505fce6647813fe971544e3007079018f5a130a5ea8660e1180f8a9f08b7c03b47ed0d81c27bfdb99eb333a6e9a540c05f40d9ca16b6a8a5

  • SSDEEP

    6144:TVn8Y/2+3x5spUN1yY0zyZSTioqn9onD4Epv:T58WhWmNEYOyxx9onD4Eh

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\dd634978dddca325b16ad844dfdaca7b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\dd634978dddca325b16ad844dfdaca7b_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:4700
    • 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:2736

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/2736-206-0x0000000074510000-0x0000000074CC0000-memory.dmp

    Filesize

    7.7MB

  • memory/2736-208-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB

  • memory/2736-209-0x0000000074510000-0x0000000074CC0000-memory.dmp

    Filesize

    7.7MB

  • memory/2736-216-0x0000000074510000-0x0000000074CC0000-memory.dmp

    Filesize

    7.7MB

  • memory/2736-215-0x0000000074510000-0x0000000074CC0000-memory.dmp

    Filesize

    7.7MB

  • memory/2736-214-0x0000000006520000-0x000000000652A000-memory.dmp

    Filesize

    40KB

  • memory/2736-213-0x0000000006240000-0x0000000006290000-memory.dmp

    Filesize

    320KB

  • memory/2736-212-0x0000000005C90000-0x0000000005CF6000-memory.dmp

    Filesize

    408KB

  • memory/2736-211-0x0000000004FF0000-0x0000000005008000-memory.dmp

    Filesize

    96KB

  • memory/2736-210-0x0000000005020000-0x00000000050BC000-memory.dmp

    Filesize

    624KB

  • memory/4700-32-0x0000000000C20000-0x0000000000C45000-memory.dmp

    Filesize

    148KB

  • memory/4700-18-0x0000000000C20000-0x0000000000C45000-memory.dmp

    Filesize

    148KB

  • memory/4700-72-0x0000000000C20000-0x0000000000C45000-memory.dmp

    Filesize

    148KB

  • memory/4700-70-0x0000000000C20000-0x0000000000C45000-memory.dmp

    Filesize

    148KB

  • memory/4700-68-0x0000000000C20000-0x0000000000C45000-memory.dmp

    Filesize

    148KB

  • memory/4700-62-0x0000000000C20000-0x0000000000C45000-memory.dmp

    Filesize

    148KB

  • memory/4700-60-0x0000000000C20000-0x0000000000C45000-memory.dmp

    Filesize

    148KB

  • memory/4700-59-0x0000000000C20000-0x0000000000C45000-memory.dmp

    Filesize

    148KB

  • memory/4700-56-0x0000000000C20000-0x0000000000C45000-memory.dmp

    Filesize

    148KB

  • memory/4700-54-0x0000000000C20000-0x0000000000C45000-memory.dmp

    Filesize

    148KB

  • memory/4700-52-0x0000000000C20000-0x0000000000C45000-memory.dmp

    Filesize

    148KB

  • memory/4700-50-0x0000000000C20000-0x0000000000C45000-memory.dmp

    Filesize

    148KB

  • memory/4700-48-0x0000000000C20000-0x0000000000C45000-memory.dmp

    Filesize

    148KB

  • memory/4700-45-0x0000000000C20000-0x0000000000C45000-memory.dmp

    Filesize

    148KB

  • memory/4700-42-0x0000000000C20000-0x0000000000C45000-memory.dmp

    Filesize

    148KB

  • memory/4700-34-0x0000000000C20000-0x0000000000C45000-memory.dmp

    Filesize

    148KB

  • memory/4700-74-0x0000000000C20000-0x0000000000C45000-memory.dmp

    Filesize

    148KB

  • memory/4700-30-0x0000000000C20000-0x0000000000C45000-memory.dmp

    Filesize

    148KB

  • memory/4700-28-0x0000000000C20000-0x0000000000C45000-memory.dmp

    Filesize

    148KB

  • memory/4700-26-0x0000000000C20000-0x0000000000C45000-memory.dmp

    Filesize

    148KB

  • memory/4700-24-0x0000000000C20000-0x0000000000C45000-memory.dmp

    Filesize

    148KB

  • memory/4700-22-0x0000000000C20000-0x0000000000C45000-memory.dmp

    Filesize

    148KB

  • memory/4700-20-0x0000000000C20000-0x0000000000C45000-memory.dmp

    Filesize

    148KB

  • memory/4700-76-0x0000000000C20000-0x0000000000C45000-memory.dmp

    Filesize

    148KB

  • memory/4700-16-0x0000000000C20000-0x0000000000C45000-memory.dmp

    Filesize

    148KB

  • memory/4700-15-0x0000000000C20000-0x0000000000C45000-memory.dmp

    Filesize

    148KB

  • memory/4700-14-0x0000000072FA0000-0x0000000073029000-memory.dmp

    Filesize

    548KB

  • memory/4700-66-0x0000000000C20000-0x0000000000C45000-memory.dmp

    Filesize

    148KB

  • memory/4700-64-0x0000000000C20000-0x0000000000C45000-memory.dmp

    Filesize

    148KB

  • memory/4700-46-0x0000000000C20000-0x0000000000C45000-memory.dmp

    Filesize

    148KB

  • memory/4700-40-0x0000000000C20000-0x0000000000C45000-memory.dmp

    Filesize

    148KB

  • memory/4700-38-0x0000000000C20000-0x0000000000C45000-memory.dmp

    Filesize

    148KB

  • memory/4700-36-0x0000000000C20000-0x0000000000C45000-memory.dmp

    Filesize

    148KB

  • memory/4700-195-0x000000007451E000-0x000000007451F000-memory.dmp

    Filesize

    4KB

  • memory/4700-196-0x0000000074510000-0x0000000074CC0000-memory.dmp

    Filesize

    7.7MB

  • memory/4700-197-0x0000000074510000-0x0000000074CC0000-memory.dmp

    Filesize

    7.7MB

  • memory/4700-6-0x0000000004C90000-0x0000000004D22000-memory.dmp

    Filesize

    584KB

  • memory/4700-5-0x0000000004A90000-0x0000000004AD4000-memory.dmp

    Filesize

    272KB

  • memory/4700-4-0x0000000005240000-0x00000000057E4000-memory.dmp

    Filesize

    5.6MB

  • memory/4700-3-0x0000000000C20000-0x0000000000C4C000-memory.dmp

    Filesize

    176KB

  • memory/4700-2-0x0000000074510000-0x0000000074CC0000-memory.dmp

    Filesize

    7.7MB

  • memory/4700-1-0x00000000001E0000-0x0000000000246000-memory.dmp

    Filesize

    408KB

  • memory/4700-0-0x000000007451E000-0x000000007451F000-memory.dmp

    Filesize

    4KB

  • memory/4700-199-0x0000000074510000-0x0000000074CC0000-memory.dmp

    Filesize

    7.7MB

  • memory/4700-200-0x0000000006790000-0x000000000679C000-memory.dmp

    Filesize

    48KB

  • memory/4700-207-0x0000000074510000-0x0000000074CC0000-memory.dmp

    Filesize

    7.7MB