Analysis

  • max time kernel
    101s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    19-01-2021 07:36

General

  • Target

    INVOICE.exe

  • Size

    479KB

  • MD5

    bedc66c12a9045e1d8e89fd47ccd4ebb

  • SHA1

    43be31d907ec599edcd6c64b61a5d464c02a981b

  • SHA256

    94e4d23e3ede10365bdc9ebcf52fab0428c693b3c8d768d4090139d9607d3f95

  • SHA512

    c807e423c21ea4c7d507f3d8f7023acc1863490c6f984762fd146bf64ce2ba92f5df143d4762b91eace2f807029be023bbdd29553e2aa49eafaa4193f8e1e6b6

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp-mail.outlook.com
  • Port:
    587
  • Username:
    angeldominic2016@outlook.com
  • Password:
    pastor12

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 IoCs
  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\INVOICE.exe
    "C:\Users\Admin\AppData\Local\Temp\INVOICE.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    PID:496

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/496-2-0x00000000739E0000-0x00000000740CE000-memory.dmp
    Filesize

    6.9MB

  • memory/496-3-0x0000000000400000-0x000000000044D000-memory.dmp
    Filesize

    308KB

  • memory/496-4-0x0000000006E80000-0x0000000006EB6000-memory.dmp
    Filesize

    216KB

  • memory/496-7-0x0000000006F82000-0x0000000006F83000-memory.dmp
    Filesize

    4KB

  • memory/496-6-0x0000000006F80000-0x0000000006F81000-memory.dmp
    Filesize

    4KB

  • memory/496-8-0x0000000006F83000-0x0000000006F84000-memory.dmp
    Filesize

    4KB

  • memory/496-9-0x0000000007490000-0x0000000007491000-memory.dmp
    Filesize

    4KB

  • memory/496-10-0x0000000007170000-0x0000000007171000-memory.dmp
    Filesize

    4KB

  • memory/496-11-0x0000000006F84000-0x0000000006F85000-memory.dmp
    Filesize

    4KB

  • memory/496-12-0x0000000006F50000-0x0000000006F51000-memory.dmp
    Filesize

    4KB

  • memory/496-13-0x00000000070D0000-0x00000000070D1000-memory.dmp
    Filesize

    4KB

  • memory/496-14-0x0000000007D80000-0x0000000007D81000-memory.dmp
    Filesize

    4KB

  • memory/496-15-0x00000000019A0000-0x00000000019A1000-memory.dmp
    Filesize

    4KB