Analysis

  • max time kernel
    120s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-03-2024 01:53

General

  • Target

    ac517064216de46a3c1ab91e2623170b89eef04b4e64b1c24149c1bb64b24ec8.exe

  • Size

    615KB

  • MD5

    86dfaa3196ac1180b5bd54c6addf7ca5

  • SHA1

    f302cf1dd35df3ca9fa8b813118c4aa313b37087

  • SHA256

    ac517064216de46a3c1ab91e2623170b89eef04b4e64b1c24149c1bb64b24ec8

  • SHA512

    a20413165f74faa85f7f0b6eb57c60279cf2850925821608a63e7aec5b27de5a8f1aebe3268415ff8c2054a0f82f38938cefbae421137e6082ecb3898330662b

  • SSDEEP

    12288:8Qla5Wssg0ReoxacuUM2tFVGHmrWiSu9tMA390ozn3OqZ1iSN4dw4tjZw6sMA4Ta:7/UCxb16iPNtRbOqZwSN4dw4tjZw6sM6

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ac517064216de46a3c1ab91e2623170b89eef04b4e64b1c24149c1bb64b24ec8.exe
    "C:\Users\Admin\AppData\Local\Temp\ac517064216de46a3c1ab91e2623170b89eef04b4e64b1c24149c1bb64b24ec8.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2348
    • C:\Users\Admin\AppData\Local\Temp\ac517064216de46a3c1ab91e2623170b89eef04b4e64b1c24149c1bb64b24ec8.exe
      "C:\Users\Admin\AppData\Local\Temp\ac517064216de46a3c1ab91e2623170b89eef04b4e64b1c24149c1bb64b24ec8.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2984

Network

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Collection

Data from Local System

4
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2348-0-0x00000000009A0000-0x0000000000A40000-memory.dmp
    Filesize

    640KB

  • memory/2348-1-0x0000000074050000-0x000000007473E000-memory.dmp
    Filesize

    6.9MB

  • memory/2348-2-0x0000000000500000-0x0000000000540000-memory.dmp
    Filesize

    256KB

  • memory/2348-3-0x0000000000540000-0x0000000000552000-memory.dmp
    Filesize

    72KB

  • memory/2348-4-0x00000000006D0000-0x00000000006DC000-memory.dmp
    Filesize

    48KB

  • memory/2348-5-0x0000000004D90000-0x0000000004E12000-memory.dmp
    Filesize

    520KB

  • memory/2348-14-0x0000000074050000-0x000000007473E000-memory.dmp
    Filesize

    6.9MB

  • memory/2984-8-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2984-7-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2984-9-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2984-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2984-12-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2984-15-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2984-6-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2984-17-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2984-18-0x0000000073FD0000-0x00000000746BE000-memory.dmp
    Filesize

    6.9MB

  • memory/2984-19-0x0000000000CC0000-0x0000000000D00000-memory.dmp
    Filesize

    256KB

  • memory/2984-20-0x0000000073FD0000-0x00000000746BE000-memory.dmp
    Filesize

    6.9MB