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Analysis

  • max time kernel
    121s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    20/11/2023, 17:22

General

  • Target

    tmp.exe

  • Size

    570KB

  • MD5

    65edafe0dc5427f4cec4e29ad9cb18bc

  • SHA1

    b971a6aaf0c0daa035d9186b9cc49e72a5fc9976

  • SHA256

    e68f725f8d131c3cc5e5cbac5bc454cd9c1848039ee706c975262ef2073e75d3

  • SHA512

    a0c4bb45bd0dfa245a13502f0e51758ca2ec878a9eeec3ec0b82cdb2125981bf0de89f07c84029360676149bb61476345a032c9338bf9a3e304ea4e9e4e6b8fe

  • SSDEEP

    12288:bXHfGsaMlvWCwqLRtT34We8Op0UHUpIPEGWQAwna:bXHe8BLRtTn52EG5Awna

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.experthvac.ro
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    -8{jszMOY*Z8(~Za0#jyP%o7VoB.0)kk^)7_

Signatures

  • AgentTesla

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

  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2560
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2884

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2560-8-0x0000000004220000-0x0000000004260000-memory.dmp

    Filesize

    256KB

  • memory/2560-18-0x0000000074600000-0x0000000074CEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2560-2-0x0000000004220000-0x0000000004260000-memory.dmp

    Filesize

    256KB

  • memory/2560-3-0x0000000004C00000-0x0000000004C44000-memory.dmp

    Filesize

    272KB

  • memory/2560-4-0x0000000074600000-0x0000000074CEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2560-5-0x0000000004220000-0x0000000004260000-memory.dmp

    Filesize

    256KB

  • memory/2560-6-0x00000000004B0000-0x00000000004CA000-memory.dmp

    Filesize

    104KB

  • memory/2560-7-0x0000000000730000-0x0000000000736000-memory.dmp

    Filesize

    24KB

  • memory/2560-1-0x0000000074600000-0x0000000074CEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2560-0-0x00000000008B0000-0x0000000000944000-memory.dmp

    Filesize

    592KB

  • memory/2884-11-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2884-12-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2884-13-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2884-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2884-15-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2884-16-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2884-17-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2884-9-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB