Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    23-05-2024 13:11

General

  • Target

    101764ZAM2024.exe

  • Size

    932KB

  • MD5

    448e34edd4314a1bea54de04047eb8ea

  • SHA1

    bb23a88feb8f95a28445df75b2e86505b6982fbb

  • SHA256

    7caa9b212df10474e2c16e256ef16152196b75893ad5344bb5e78bb61528a85b

  • SHA512

    19f14f521f6a4cddd954a84f22219e22d595f3f40f93d2b2f1533a663146e9b175e3c2e528439672643050f7ca03924798a42efc56eb6474c5fddf795d8c3c14

  • SSDEEP

    12288:FeZoT+KS7yWLx8H0zMVuG0CWlDkDyjF86ikHZUhh13HxRqkR:gZoT+KS7ygGUUP0RuujFV5Hahv3x3

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\101764ZAM2024.exe
    "C:\Users\Admin\AppData\Local\Temp\101764ZAM2024.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2220
    • C:\Users\Admin\AppData\Local\Temp\101764ZAM2024.exe
      "C:\Users\Admin\AppData\Local\Temp\101764ZAM2024.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2280

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Collection

Data from Local System

4
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2220-0-0x00000000741CE000-0x00000000741CF000-memory.dmp
    Filesize

    4KB

  • memory/2220-1-0x0000000000970000-0x0000000000A5C000-memory.dmp
    Filesize

    944KB

  • memory/2220-2-0x00000000741C0000-0x00000000748AE000-memory.dmp
    Filesize

    6.9MB

  • memory/2220-3-0x0000000000410000-0x000000000042A000-memory.dmp
    Filesize

    104KB

  • memory/2220-4-0x0000000000320000-0x0000000000330000-memory.dmp
    Filesize

    64KB

  • memory/2220-5-0x00000000052E0000-0x0000000005362000-memory.dmp
    Filesize

    520KB

  • memory/2220-17-0x00000000741C0000-0x00000000748AE000-memory.dmp
    Filesize

    6.9MB

  • memory/2280-12-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2280-6-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2280-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2280-9-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2280-8-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2280-16-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2280-14-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2280-7-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2280-18-0x00000000741C0000-0x00000000748AE000-memory.dmp
    Filesize

    6.9MB

  • memory/2280-19-0x00000000741C0000-0x00000000748AE000-memory.dmp
    Filesize

    6.9MB

  • memory/2280-21-0x00000000741C0000-0x00000000748AE000-memory.dmp
    Filesize

    6.9MB