Analysis

  • max time kernel
    92s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-01-2025 01:18

General

  • Target

    sales Contract 81280903648.exe

  • Size

    875KB

  • MD5

    f872409ded2e798258dd0e78a30a940b

  • SHA1

    05863ef63c86fc687e74a32cbcceed32f91522e3

  • SHA256

    71eb61be58692082886805851c29f80b4bb3c3fb718accf820a19c24faa85b1b

  • SHA512

    110e3ea092a8eea4f353ab93ff13fa8ffa655671547adca8afd531b7278bee77e111b9a26114bc3df0670398c08960125fe21182cad57a08cb0bb83288dffc78

  • SSDEEP

    12288:PhBtmHFWGTyWXV7OUf5oYKmgEacJLpKqnf9yJtQaDVdWCETB9ZLJSrrfCGT:PhBQ1xOa5oYKgJLpLdkbu/qR

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.thelamalab.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Thel@malab@20!9

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Agenttesla family
  • 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 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\sales Contract 81280903648.exe
    "C:\Users\Admin\AppData\Local\Temp\sales Contract 81280903648.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3356
    • C:\Users\Admin\AppData\Local\Temp\sales Contract 81280903648.exe
      "C:\Users\Admin\AppData\Local\Temp\sales Contract 81280903648.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2184

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\sales Contract 81280903648.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/2184-11-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2184-19-0x00000000749F0000-0x00000000751A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2184-18-0x0000000005EE0000-0x0000000005F30000-memory.dmp

    Filesize

    320KB

  • memory/2184-16-0x00000000749F0000-0x00000000751A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2184-17-0x00000000050F0000-0x0000000005156000-memory.dmp

    Filesize

    408KB

  • memory/2184-14-0x00000000749F0000-0x00000000751A0000-memory.dmp

    Filesize

    7.7MB

  • memory/3356-4-0x00000000749F0000-0x00000000751A0000-memory.dmp

    Filesize

    7.7MB

  • memory/3356-8-0x00000000749FE000-0x00000000749FF000-memory.dmp

    Filesize

    4KB

  • memory/3356-9-0x00000000749F0000-0x00000000751A0000-memory.dmp

    Filesize

    7.7MB

  • memory/3356-10-0x0000000006740000-0x00000000067C6000-memory.dmp

    Filesize

    536KB

  • memory/3356-7-0x0000000007F00000-0x0000000007F26000-memory.dmp

    Filesize

    152KB

  • memory/3356-6-0x0000000007E40000-0x0000000007EDC000-memory.dmp

    Filesize

    624KB

  • memory/3356-5-0x00000000030B0000-0x00000000030BA000-memory.dmp

    Filesize

    40KB

  • memory/3356-0-0x00000000749FE000-0x00000000749FF000-memory.dmp

    Filesize

    4KB

  • memory/3356-3-0x0000000007BC0000-0x0000000007C52000-memory.dmp

    Filesize

    584KB

  • memory/3356-15-0x00000000749F0000-0x00000000751A0000-memory.dmp

    Filesize

    7.7MB

  • memory/3356-2-0x0000000008070000-0x0000000008614000-memory.dmp

    Filesize

    5.6MB

  • memory/3356-1-0x0000000000C40000-0x0000000000D20000-memory.dmp

    Filesize

    896KB