Analysis

  • max time kernel
    138s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-12-2023 17:00

General

  • Target

    37d15999173d91a0a29db83c6962912d.exe

  • Size

    658KB

  • MD5

    37d15999173d91a0a29db83c6962912d

  • SHA1

    1100641ebfc52ecd245d9fd303074f8051dc8ac7

  • SHA256

    2214a1536f1997efda81e136d845661f0178b44a6b104f72d7f73628e6158d08

  • SHA512

    32ca859b827ccabe15fa443d4bcf62e9adfe511ec5ab3ca9983224db256dfbb9783904c6a38056b5b9b584458eed33acd4a2c1ad009aabfe1cba632dc3d9efba

  • SSDEEP

    12288:DhkZ5QD3d204DoM6Ljx5P5OcUpvHCUbJqrHk5KZTwkeI3ShewZW8w:DK/QDdZ48M6L95pyJqrHk5KZTwkN3GeK

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    cp5ua.hyperhost.ua
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    7213575aceACE@

Extracted

Family

agenttesla

Credentials

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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\37d15999173d91a0a29db83c6962912d.exe
    "C:\Users\Admin\AppData\Local\Temp\37d15999173d91a0a29db83c6962912d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3900
    • C:\Users\Admin\AppData\Local\Temp\37d15999173d91a0a29db83c6962912d.exe
      "C:\Users\Admin\AppData\Local\Temp\37d15999173d91a0a29db83c6962912d.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2800

Network

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

3
T1552

Credentials In Files

3
T1552.001

Collection

Data from Local System

3
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\37d15999173d91a0a29db83c6962912d.exe.log
    Filesize

    1KB

    MD5

    b7b9acb869ccc7f7ecb5304ec0384dee

    SHA1

    6a90751c95817903ee833d59a0abbef425a613b3

    SHA256

    8cb00a15cd942a1861c573d86d6fb430512c8e2f80f6349f48b16b8709ca7aa4

    SHA512

    7bec881ac5f59ac26f1be1e7e26d63f040c06369de10c1c246e531a4395d27c335d9acc647ecdedb48ed37bdc2dc405a4cfc11762e1c00659a49be259eaf8764

  • memory/2800-12-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2800-21-0x0000000005720000-0x0000000005730000-memory.dmp
    Filesize

    64KB

  • memory/2800-20-0x0000000074EC0000-0x0000000075670000-memory.dmp
    Filesize

    7.7MB

  • memory/2800-19-0x0000000006BF0000-0x0000000006C40000-memory.dmp
    Filesize

    320KB

  • memory/2800-18-0x0000000005690000-0x00000000056F6000-memory.dmp
    Filesize

    408KB

  • memory/2800-17-0x0000000005720000-0x0000000005730000-memory.dmp
    Filesize

    64KB

  • memory/2800-15-0x0000000074EC0000-0x0000000075670000-memory.dmp
    Filesize

    7.7MB

  • memory/3900-5-0x0000000005320000-0x0000000005330000-memory.dmp
    Filesize

    64KB

  • memory/3900-9-0x00000000066A0000-0x00000000066AA000-memory.dmp
    Filesize

    40KB

  • memory/3900-10-0x0000000006BC0000-0x0000000006C3E000-memory.dmp
    Filesize

    504KB

  • memory/3900-11-0x0000000007F50000-0x0000000007FEC000-memory.dmp
    Filesize

    624KB

  • memory/3900-8-0x0000000006690000-0x0000000006698000-memory.dmp
    Filesize

    32KB

  • memory/3900-7-0x0000000005D30000-0x0000000005D4A000-memory.dmp
    Filesize

    104KB

  • memory/3900-16-0x0000000074EC0000-0x0000000075670000-memory.dmp
    Filesize

    7.7MB

  • memory/3900-6-0x00000000056B0000-0x00000000056BA000-memory.dmp
    Filesize

    40KB

  • memory/3900-1-0x00000000006C0000-0x000000000076A000-memory.dmp
    Filesize

    680KB

  • memory/3900-4-0x0000000005330000-0x0000000005684000-memory.dmp
    Filesize

    3.3MB

  • memory/3900-3-0x0000000005150000-0x00000000051E2000-memory.dmp
    Filesize

    584KB

  • memory/3900-2-0x0000000005700000-0x0000000005CA4000-memory.dmp
    Filesize

    5.6MB

  • memory/3900-0-0x0000000074EC0000-0x0000000075670000-memory.dmp
    Filesize

    7.7MB