Analysis

  • max time kernel
    104s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/04/2025, 08:07

General

  • Target

    hesaphareketi_21_04_2025_500kb pdf________________________________________________________________________pdf__.exe

  • Size

    960KB

  • MD5

    c8f00111484803164ab38916b974c798

  • SHA1

    9c377ed61e4a6d67fa8dbd795963187f95163864

  • SHA256

    5271c1a2883919c00e117de2efd6832ebbac3faf78dd2bf79641a550dd244398

  • SHA512

    b2694e1a69ac71a85c0b39e844a6a777e7742014746deee9d159b8939f80953a2d43299790e999752ff03c72309729ebc59b49fcdb62d547a18c8760cc451047

  • SSDEEP

    24576:BWpdJWzqmms8WSX5KVTWzkFCDFKS/EHy9Ls9hu8l0M:GHGfmsvw4wzNZJGy9L8hjl0

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.dorasanat.com.tr
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    #9e{{YWsO?~I

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.dorasanat.com.tr
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    #9e{{YWsO?~I

Signatures

  • AgentTesla

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

  • Agenttesla family
  • 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 3 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
  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\hesaphareketi_21_04_2025_500kb pdf________________________________________________________________________pdf__.exe
    "C:\Users\Admin\AppData\Local\Temp\hesaphareketi_21_04_2025_500kb pdf________________________________________________________________________pdf__.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5464
    • C:\Users\Admin\AppData\Local\Temp\hesaphareketi_21_04_2025_500kb pdf________________________________________________________________________pdf__.exe
      "C:\Users\Admin\AppData\Local\Temp\hesaphareketi_21_04_2025_500kb pdf________________________________________________________________________pdf__.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4996

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\hesaphareketi_21_04_2025_500kb pdf________________________________________________________________________pdf__.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/4996-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/4996-19-0x0000000074E50000-0x0000000075600000-memory.dmp

    Filesize

    7.7MB

  • memory/4996-18-0x0000000006A20000-0x0000000006A70000-memory.dmp

    Filesize

    320KB

  • memory/4996-17-0x0000000074E50000-0x0000000075600000-memory.dmp

    Filesize

    7.7MB

  • memory/4996-16-0x00000000054E0000-0x0000000005546000-memory.dmp

    Filesize

    408KB

  • memory/4996-14-0x0000000074E50000-0x0000000075600000-memory.dmp

    Filesize

    7.7MB

  • memory/5464-4-0x0000000005910000-0x000000000591A000-memory.dmp

    Filesize

    40KB

  • memory/5464-8-0x0000000074E5E000-0x0000000074E5F000-memory.dmp

    Filesize

    4KB

  • memory/5464-9-0x0000000074E50000-0x0000000075600000-memory.dmp

    Filesize

    7.7MB

  • memory/5464-10-0x0000000006C60000-0x0000000006D2A000-memory.dmp

    Filesize

    808KB

  • memory/5464-7-0x0000000005DC0000-0x0000000005DDA000-memory.dmp

    Filesize

    104KB

  • memory/5464-5-0x0000000074E50000-0x0000000075600000-memory.dmp

    Filesize

    7.7MB

  • memory/5464-6-0x0000000005BB0000-0x0000000005C4C000-memory.dmp

    Filesize

    624KB

  • memory/5464-15-0x0000000074E50000-0x0000000075600000-memory.dmp

    Filesize

    7.7MB

  • memory/5464-0-0x0000000074E5E000-0x0000000074E5F000-memory.dmp

    Filesize

    4KB

  • memory/5464-3-0x0000000005970000-0x0000000005A02000-memory.dmp

    Filesize

    584KB

  • memory/5464-2-0x0000000005E80000-0x0000000006424000-memory.dmp

    Filesize

    5.6MB

  • memory/5464-1-0x0000000000E20000-0x0000000000F16000-memory.dmp

    Filesize

    984KB