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Analysis

  • max time kernel
    117s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    18/09/2023, 20:37

General

  • Target

    file.exe

  • Size

    33KB

  • MD5

    adf77eedf1227b9e20f18ebc67a18e99

  • SHA1

    4de5e9da6efa822dee0873201cb881e2196ac85b

  • SHA256

    e9e7e9651f55ae882e793b6be4d4125a606f52a27f1c399e7896cb84bd76bd8c

  • SHA512

    15d1cd55d09b0d7322752c5500ec2ed1cb1d7ea3764ba79931ef4c6b4ec6f3e9c17606bc25ac2759508a804ad680f4835db935ecc77cf20554c19897b2c2efa4

  • SSDEEP

    768:L1hP2sZ03Ih+76146qB0jRaNG+mNJij7cG66:L/2iDqB0jMN38ijm6

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Downloads MZ/PE file
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2188
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2520

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2188-0-0x0000000074B20000-0x000000007520E000-memory.dmp

    Filesize

    6.9MB

  • memory/2188-1-0x0000000000360000-0x000000000036E000-memory.dmp

    Filesize

    56KB

  • memory/2188-2-0x0000000004F50000-0x0000000004F90000-memory.dmp

    Filesize

    256KB

  • memory/2188-3-0x0000000000370000-0x00000000003AC000-memory.dmp

    Filesize

    240KB

  • memory/2188-4-0x00000000005F0000-0x000000000061C000-memory.dmp

    Filesize

    176KB

  • memory/2188-5-0x0000000001F70000-0x0000000001FBC000-memory.dmp

    Filesize

    304KB

  • memory/2188-6-0x0000000074B20000-0x000000007520E000-memory.dmp

    Filesize

    6.9MB

  • memory/2188-7-0x0000000004F50000-0x0000000004F90000-memory.dmp

    Filesize

    256KB

  • memory/2188-21-0x0000000074B20000-0x000000007520E000-memory.dmp

    Filesize

    6.9MB

  • memory/2520-10-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2520-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2520-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2520-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2520-14-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2520-18-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2520-16-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2520-19-0x0000000074B20000-0x000000007520E000-memory.dmp

    Filesize

    6.9MB

  • memory/2520-20-0x0000000004A20000-0x0000000004A60000-memory.dmp

    Filesize

    256KB

  • memory/2520-8-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2520-22-0x0000000074B20000-0x000000007520E000-memory.dmp

    Filesize

    6.9MB

  • memory/2520-23-0x0000000004A20000-0x0000000004A60000-memory.dmp

    Filesize

    256KB