Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-09-2024 17:42

General

  • Target

    Официално писмо № 0280_08_09-10-2024г.docx.exe

  • Size

    1.2MB

  • MD5

    e0d57a92476711a3438a44fa205e1720

  • SHA1

    a1669d33a5b53f9c501c01ec2bc7e155a6964a38

  • SHA256

    696a1a956d00c895f0716efdec49515d65deae2edd12cad87c13c29f31fbd360

  • SHA512

    7f6173a7d61dc797fc63456240b26daca47580ca901e3af901926fe293ab703c83b1c1f7fb5e47378d42d3443524db13707283018699e76e1dd5de2aae1a80e9

  • SSDEEP

    24576:I3c92psKAq6ITV5vGbao8LSEI28uUESJVufn/VtvVE:I3cYaKd6EGbrs4ySQ

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Официално писмо № 0280_08_09-10-2024г.docx.exe
    "C:\Users\Admin\AppData\Local\Temp\Официално писмо № 0280_08_09-10-2024г.docx.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4220
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2756

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2756-13-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2756-20-0x0000000074500000-0x0000000074CB0000-memory.dmp

    Filesize

    7.7MB

  • memory/2756-19-0x0000000006690000-0x00000000066E0000-memory.dmp

    Filesize

    320KB

  • memory/2756-18-0x0000000074500000-0x0000000074CB0000-memory.dmp

    Filesize

    7.7MB

  • memory/2756-17-0x0000000005290000-0x00000000052F6000-memory.dmp

    Filesize

    408KB

  • memory/2756-15-0x0000000074500000-0x0000000074CB0000-memory.dmp

    Filesize

    7.7MB

  • memory/4220-10-0x0000000074500000-0x0000000074CB0000-memory.dmp

    Filesize

    7.7MB

  • memory/4220-6-0x0000000004F30000-0x0000000004FC2000-memory.dmp

    Filesize

    584KB

  • memory/4220-8-0x0000000074500000-0x0000000074CB0000-memory.dmp

    Filesize

    7.7MB

  • memory/4220-9-0x000000007450E000-0x000000007450F000-memory.dmp

    Filesize

    4KB

  • memory/4220-0-0x000000007450E000-0x000000007450F000-memory.dmp

    Filesize

    4KB

  • memory/4220-11-0x00000000067B0000-0x00000000067CA000-memory.dmp

    Filesize

    104KB

  • memory/4220-12-0x00000000093F0000-0x00000000093F6000-memory.dmp

    Filesize

    24KB

  • memory/4220-7-0x0000000004FD0000-0x0000000004FDA000-memory.dmp

    Filesize

    40KB

  • memory/4220-5-0x00000000056E0000-0x0000000005C84000-memory.dmp

    Filesize

    5.6MB

  • memory/4220-16-0x0000000074500000-0x0000000074CB0000-memory.dmp

    Filesize

    7.7MB

  • memory/4220-4-0x0000000004E80000-0x0000000004F1E000-memory.dmp

    Filesize

    632KB

  • memory/4220-3-0x0000000074500000-0x0000000074CB0000-memory.dmp

    Filesize

    7.7MB

  • memory/4220-2-0x0000000004D30000-0x0000000004DCC000-memory.dmp

    Filesize

    624KB

  • memory/4220-1-0x0000000000930000-0x0000000000A74000-memory.dmp

    Filesize

    1.3MB