Analysis

  • max time kernel
    140s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-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 8 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:2772
    • 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:4872

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2772-10-0x0000000005630000-0x0000000005640000-memory.dmp

    Filesize

    64KB

  • memory/2772-7-0x0000000006590000-0x000000000659A000-memory.dmp

    Filesize

    40KB

  • memory/2772-1-0x0000000074F10000-0x00000000756C0000-memory.dmp

    Filesize

    7.7MB

  • memory/2772-3-0x0000000005CA0000-0x0000000006244000-memory.dmp

    Filesize

    5.6MB

  • memory/2772-4-0x0000000005630000-0x0000000005640000-memory.dmp

    Filesize

    64KB

  • memory/2772-5-0x00000000064D0000-0x0000000006514000-memory.dmp

    Filesize

    272KB

  • memory/2772-6-0x00000000065D0000-0x0000000006662000-memory.dmp

    Filesize

    584KB

  • memory/2772-16-0x0000000074F10000-0x00000000756C0000-memory.dmp

    Filesize

    7.7MB

  • memory/2772-8-0x0000000005630000-0x0000000005640000-memory.dmp

    Filesize

    64KB

  • memory/2772-12-0x0000000007630000-0x000000000764A000-memory.dmp

    Filesize

    104KB

  • memory/2772-2-0x0000000005650000-0x00000000056EC000-memory.dmp

    Filesize

    624KB

  • memory/2772-0-0x0000000000BA0000-0x0000000000C34000-memory.dmp

    Filesize

    592KB

  • memory/2772-9-0x0000000074F10000-0x00000000756C0000-memory.dmp

    Filesize

    7.7MB

  • memory/2772-13-0x0000000007490000-0x0000000007496000-memory.dmp

    Filesize

    24KB

  • memory/2772-11-0x0000000005630000-0x0000000005640000-memory.dmp

    Filesize

    64KB

  • memory/4872-23-0x0000000005A80000-0x0000000005A90000-memory.dmp

    Filesize

    64KB

  • memory/4872-17-0x0000000074F10000-0x00000000756C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4872-18-0x0000000005A80000-0x0000000005A90000-memory.dmp

    Filesize

    64KB

  • memory/4872-19-0x00000000058E0000-0x0000000005946000-memory.dmp

    Filesize

    408KB

  • memory/4872-20-0x0000000006C00000-0x0000000006C50000-memory.dmp

    Filesize

    320KB

  • memory/4872-21-0x0000000006E40000-0x0000000007002000-memory.dmp

    Filesize

    1.8MB

  • memory/4872-22-0x0000000074F10000-0x00000000756C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4872-14-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB