Analysis

  • max time kernel
    142s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/01/2024, 01:34

General

  • Target

    HesapEkstresi_08012024_13014688_3871782_MY_2.exe

  • Size

    669KB

  • MD5

    cb17689f9f2f8ead0450a9fa21ea6920

  • SHA1

    44f2a04f059e94ce47a2da8ed0b175a97e20ddde

  • SHA256

    390742120fc89ba2735772dbb63c0998bdb2d26df99976a5406477c4ffab56c2

  • SHA512

    43d729df8acf4eb2fe56c7432835340214b571a942e12566eef1eab656b7c1e263d3ac6b76087757034294382c90f1f53d3c9b8c83e80783fc868e94e916c76b

  • SSDEEP

    12288:Pz1uPBa5rr1wAM1F0XtZFBlZMMDcrKJSja7kaGPASF:Pua5rvM1FqnFBnMMDTSyoASF

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.pharmacell.com.tr
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Fatih-2015a

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\HesapEkstresi_08012024_13014688_3871782_MY_2.exe
    "C:\Users\Admin\AppData\Local\Temp\HesapEkstresi_08012024_13014688_3871782_MY_2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4336
    • C:\Users\Admin\AppData\Local\Temp\HesapEkstresi_08012024_13014688_3871782_MY_2.exe
      "C:\Users\Admin\AppData\Local\Temp\HesapEkstresi_08012024_13014688_3871782_MY_2.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4252

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\HesapEkstresi_08012024_13014688_3871782_MY_2.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/4252-12-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/4252-21-0x0000000005700000-0x0000000005710000-memory.dmp

    Filesize

    64KB

  • memory/4252-20-0x00000000746A0000-0x0000000074E50000-memory.dmp

    Filesize

    7.7MB

  • memory/4252-19-0x0000000006FD0000-0x0000000007020000-memory.dmp

    Filesize

    320KB

  • memory/4252-18-0x0000000005980000-0x00000000059E6000-memory.dmp

    Filesize

    408KB

  • memory/4252-16-0x0000000005700000-0x0000000005710000-memory.dmp

    Filesize

    64KB

  • memory/4252-15-0x00000000746A0000-0x0000000074E50000-memory.dmp

    Filesize

    7.7MB

  • memory/4336-5-0x0000000004E60000-0x0000000004E6A000-memory.dmp

    Filesize

    40KB

  • memory/4336-9-0x0000000008EB0000-0x0000000008F4C000-memory.dmp

    Filesize

    624KB

  • memory/4336-10-0x00000000746A0000-0x0000000074E50000-memory.dmp

    Filesize

    7.7MB

  • memory/4336-11-0x0000000004DD0000-0x0000000004DE0000-memory.dmp

    Filesize

    64KB

  • memory/4336-8-0x0000000006840000-0x00000000068BC000-memory.dmp

    Filesize

    496KB

  • memory/4336-7-0x00000000060F0000-0x00000000060FE000-memory.dmp

    Filesize

    56KB

  • memory/4336-6-0x00000000060C0000-0x00000000060DA000-memory.dmp

    Filesize

    104KB

  • memory/4336-0-0x00000000746A0000-0x0000000074E50000-memory.dmp

    Filesize

    7.7MB

  • memory/4336-4-0x0000000004DD0000-0x0000000004DE0000-memory.dmp

    Filesize

    64KB

  • memory/4336-17-0x00000000746A0000-0x0000000074E50000-memory.dmp

    Filesize

    7.7MB

  • memory/4336-3-0x0000000004E90000-0x0000000004F22000-memory.dmp

    Filesize

    584KB

  • memory/4336-2-0x00000000053A0000-0x0000000005944000-memory.dmp

    Filesize

    5.6MB

  • memory/4336-1-0x00000000003E0000-0x000000000048E000-memory.dmp

    Filesize

    696KB