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Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    08/06/2024, 04:19

General

  • Target

    0892cd1f8e39fcc175e75c553dc406819a278c39f56fe2d8236b7ef283af1125.exe

  • Size

    729KB

  • MD5

    dc88455c904d18a3c2b9b025e97c8af6

  • SHA1

    2da1ab8da33cdee205dcdc6f56e96cf595cc23ba

  • SHA256

    0892cd1f8e39fcc175e75c553dc406819a278c39f56fe2d8236b7ef283af1125

  • SHA512

    ca661f2b9038847ff2df7ec9bc64e88c8467e3435989387e01d64ffba4e72ba815feffa36d8fe6ca372ac960b8e425dadeecec011eb372a9355dbfbb7ec907de

  • SSDEEP

    12288:0gsJxviqyJMuPJg39tu/4Oc1/t05azP1E/HmZt/inFQhEwdLah:ap5OhPJgf1/C5azPWmz/QQhEw1a

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7359374737:AAG-rOISO45emTAbe0uNq-VCZDJy_nNcEtc/

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.

  • Looks up external IP address via web service 2 IoCs

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

  • 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\0892cd1f8e39fcc175e75c553dc406819a278c39f56fe2d8236b7ef283af1125.exe
    "C:\Users\Admin\AppData\Local\Temp\0892cd1f8e39fcc175e75c553dc406819a278c39f56fe2d8236b7ef283af1125.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2156
    • C:\Users\Admin\AppData\Local\Temp\0892cd1f8e39fcc175e75c553dc406819a278c39f56fe2d8236b7ef283af1125.exe
      "C:\Users\Admin\AppData\Local\Temp\0892cd1f8e39fcc175e75c553dc406819a278c39f56fe2d8236b7ef283af1125.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2280

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2156-0-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

    Filesize

    4KB

  • memory/2156-1-0x0000000001210000-0x00000000012CC000-memory.dmp

    Filesize

    752KB

  • memory/2156-2-0x0000000074C90000-0x000000007537E000-memory.dmp

    Filesize

    6.9MB

  • memory/2156-3-0x0000000000600000-0x0000000000616000-memory.dmp

    Filesize

    88KB

  • memory/2156-4-0x0000000000B00000-0x0000000000B0E000-memory.dmp

    Filesize

    56KB

  • memory/2156-5-0x0000000000B10000-0x0000000000B20000-memory.dmp

    Filesize

    64KB

  • memory/2156-6-0x0000000004DC0000-0x0000000004E42000-memory.dmp

    Filesize

    520KB

  • memory/2156-21-0x0000000074C90000-0x000000007537E000-memory.dmp

    Filesize

    6.9MB

  • memory/2280-19-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2280-17-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2280-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2280-11-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2280-9-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2280-7-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2280-8-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2280-15-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2280-20-0x0000000074C90000-0x000000007537E000-memory.dmp

    Filesize

    6.9MB

  • memory/2280-22-0x0000000074C90000-0x000000007537E000-memory.dmp

    Filesize

    6.9MB

  • memory/2280-23-0x0000000074C90000-0x000000007537E000-memory.dmp

    Filesize

    6.9MB