Analysis

  • max time kernel
    130s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 01:38

General

  • Target

    cfd5ba4c0aef97e249d17ac2a47940a39524122c2fe6a61ab57c25ec26e61438.exe

  • Size

    751KB

  • MD5

    5d6ea5947e81e0a270a16852c7d27c82

  • SHA1

    62f694392b8c46f65b7e21443f7f6dd47960cad7

  • SHA256

    cfd5ba4c0aef97e249d17ac2a47940a39524122c2fe6a61ab57c25ec26e61438

  • SHA512

    0b46e2ddae6233c8bbc36e6696f1d7761bcf72151dca165ea2f89ab7b92035dcabb07e52a43d0575eac2652555450519acc03565b539b1b10ecb2201424dbdf9

  • SSDEEP

    12288:ehYMjhvPie/rByY7777777777777ij2pcNUIWmapSnOvC4Xt1aE8t2asj1UJtq4X:ehYMFniyyB6qdapSUCmt1D841QH6StN

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.insleep.com.tr
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    xj%YXHGz&2Np

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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cfd5ba4c0aef97e249d17ac2a47940a39524122c2fe6a61ab57c25ec26e61438.exe
    "C:\Users\Admin\AppData\Local\Temp\cfd5ba4c0aef97e249d17ac2a47940a39524122c2fe6a61ab57c25ec26e61438.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2368
    • C:\Users\Admin\AppData\Local\Temp\cfd5ba4c0aef97e249d17ac2a47940a39524122c2fe6a61ab57c25ec26e61438.exe
      "C:\Users\Admin\AppData\Local\Temp\cfd5ba4c0aef97e249d17ac2a47940a39524122c2fe6a61ab57c25ec26e61438.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1632

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

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\cfd5ba4c0aef97e249d17ac2a47940a39524122c2fe6a61ab57c25ec26e61438.exe.log
    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/1632-11-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/1632-19-0x00000000752C0000-0x0000000075A70000-memory.dmp
    Filesize

    7.7MB

  • memory/1632-18-0x0000000006410000-0x0000000006460000-memory.dmp
    Filesize

    320KB

  • memory/1632-17-0x00000000055F0000-0x0000000005656000-memory.dmp
    Filesize

    408KB

  • memory/1632-16-0x00000000752C0000-0x0000000075A70000-memory.dmp
    Filesize

    7.7MB

  • memory/1632-14-0x00000000752C0000-0x0000000075A70000-memory.dmp
    Filesize

    7.7MB

  • memory/2368-4-0x0000000005380000-0x000000000538A000-memory.dmp
    Filesize

    40KB

  • memory/2368-8-0x0000000006950000-0x0000000006966000-memory.dmp
    Filesize

    88KB

  • memory/2368-9-0x0000000007FA0000-0x0000000008024000-memory.dmp
    Filesize

    528KB

  • memory/2368-10-0x000000000A790000-0x000000000A82C000-memory.dmp
    Filesize

    624KB

  • memory/2368-7-0x00000000057B0000-0x00000000057C0000-memory.dmp
    Filesize

    64KB

  • memory/2368-6-0x0000000005770000-0x0000000005790000-memory.dmp
    Filesize

    128KB

  • memory/2368-5-0x00000000752C0000-0x0000000075A70000-memory.dmp
    Filesize

    7.7MB

  • memory/2368-15-0x00000000752C0000-0x0000000075A70000-memory.dmp
    Filesize

    7.7MB

  • memory/2368-0-0x00000000752CE000-0x00000000752CF000-memory.dmp
    Filesize

    4KB

  • memory/2368-3-0x00000000052C0000-0x0000000005352000-memory.dmp
    Filesize

    584KB

  • memory/2368-2-0x00000000057C0000-0x0000000005D64000-memory.dmp
    Filesize

    5.6MB

  • memory/2368-1-0x0000000000820000-0x00000000008DE000-memory.dmp
    Filesize

    760KB