Analysis

  • max time kernel
    130s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 17:14

General

  • Target

    52b4fa12c1dc0df270df91125f54b60d90430db216e93aea75a9f11c04977524.exe

  • Size

    677KB

  • MD5

    ac9f9fbbe52650f8fed76e3146b82010

  • SHA1

    02ea9e90e4a059b32e11a2ca0cef4952d290d664

  • SHA256

    52b4fa12c1dc0df270df91125f54b60d90430db216e93aea75a9f11c04977524

  • SHA512

    8f2f070e0a589bd49495e3f92215d11372a47fffd7fa51a3a6a6c0279799155880e9c994ba5a4707dbe6db5ba152f48418272baaaddefb12f706766d8102006c

  • SSDEEP

    12288:z1YifTpRZWk6X4A752GC0s644n1Fu2dmxT9UKbEfuwfT2kR:z2iLZWk6X4A7MY1FzuUK4pfp

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 3 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\52b4fa12c1dc0df270df91125f54b60d90430db216e93aea75a9f11c04977524.exe
    "C:\Users\Admin\AppData\Local\Temp\52b4fa12c1dc0df270df91125f54b60d90430db216e93aea75a9f11c04977524.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4068
    • C:\Users\Admin\AppData\Local\Temp\52b4fa12c1dc0df270df91125f54b60d90430db216e93aea75a9f11c04977524.exe
      "C:\Users\Admin\AppData\Local\Temp\52b4fa12c1dc0df270df91125f54b60d90430db216e93aea75a9f11c04977524.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1916

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\52b4fa12c1dc0df270df91125f54b60d90430db216e93aea75a9f11c04977524.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/1916-10-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1916-18-0x0000000074490000-0x0000000074C40000-memory.dmp

    Filesize

    7.7MB

  • memory/1916-17-0x00000000069A0000-0x00000000069F0000-memory.dmp

    Filesize

    320KB

  • memory/1916-16-0x0000000005140000-0x00000000051A6000-memory.dmp

    Filesize

    408KB

  • memory/1916-15-0x0000000074490000-0x0000000074C40000-memory.dmp

    Filesize

    7.7MB

  • memory/1916-14-0x0000000074490000-0x0000000074C40000-memory.dmp

    Filesize

    7.7MB

  • memory/4068-8-0x0000000005590000-0x00000000055A0000-memory.dmp

    Filesize

    64KB

  • memory/4068-0-0x000000007449E000-0x000000007449F000-memory.dmp

    Filesize

    4KB

  • memory/4068-9-0x0000000006650000-0x00000000066D4000-memory.dmp

    Filesize

    528KB

  • memory/4068-7-0x0000000006630000-0x000000000664A000-memory.dmp

    Filesize

    104KB

  • memory/4068-6-0x0000000074490000-0x0000000074C40000-memory.dmp

    Filesize

    7.7MB

  • memory/4068-13-0x0000000074490000-0x0000000074C40000-memory.dmp

    Filesize

    7.7MB

  • memory/4068-5-0x00000000051F0000-0x000000000528C000-memory.dmp

    Filesize

    624KB

  • memory/4068-4-0x0000000004FD0000-0x0000000004FDA000-memory.dmp

    Filesize

    40KB

  • memory/4068-3-0x0000000004F00000-0x0000000004F92000-memory.dmp

    Filesize

    584KB

  • memory/4068-2-0x00000000055A0000-0x0000000005B44000-memory.dmp

    Filesize

    5.6MB

  • memory/4068-1-0x0000000000490000-0x000000000053C000-memory.dmp

    Filesize

    688KB