Analysis

  • max time kernel
    120s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 01:07

General

  • Target

    c10f8bc18521b4c90063ae5fc1e0e95e40ed35be3758d90f597d7cc1e3853ade.exe

  • Size

    748KB

  • MD5

    28da32c1cf8ead709f4888f84a697c28

  • SHA1

    45122f3c46fb3400cc6710a830a259da54b07298

  • SHA256

    c10f8bc18521b4c90063ae5fc1e0e95e40ed35be3758d90f597d7cc1e3853ade

  • SHA512

    6d67f361a2f126e35f31e0ff5298bed2ee36e0262a8d71ec5254277c2ed122d9769bb7cc168d00b47616fd381f625a1a6542854c84d9c7cc184c607312fdef13

  • SSDEEP

    12288:90K/pbM4nsSz3ITyeYmaNKiz4xrreLpSYHK6rPILRwwAF9:90iM4nuTyVXNDz4xIYGK2Wg9

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.

  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c10f8bc18521b4c90063ae5fc1e0e95e40ed35be3758d90f597d7cc1e3853ade.exe
    "C:\Users\Admin\AppData\Local\Temp\c10f8bc18521b4c90063ae5fc1e0e95e40ed35be3758d90f597d7cc1e3853ade.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2192
    • C:\Users\Admin\AppData\Local\Temp\c10f8bc18521b4c90063ae5fc1e0e95e40ed35be3758d90f597d7cc1e3853ade.exe
      "C:\Users\Admin\AppData\Local\Temp\c10f8bc18521b4c90063ae5fc1e0e95e40ed35be3758d90f597d7cc1e3853ade.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2984

Network

MITRE ATT&CK Matrix ATT&CK v13

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/2192-0-0x0000000001330000-0x00000000013EE000-memory.dmp
    Filesize

    760KB

  • memory/2192-1-0x0000000074050000-0x000000007473E000-memory.dmp
    Filesize

    6.9MB

  • memory/2192-2-0x0000000004D80000-0x0000000004DC0000-memory.dmp
    Filesize

    256KB

  • memory/2192-3-0x0000000000380000-0x0000000000398000-memory.dmp
    Filesize

    96KB

  • memory/2192-4-0x00000000003A0000-0x00000000003AE000-memory.dmp
    Filesize

    56KB

  • memory/2192-5-0x00000000003F0000-0x0000000000404000-memory.dmp
    Filesize

    80KB

  • memory/2192-6-0x00000000059B0000-0x0000000005A32000-memory.dmp
    Filesize

    520KB

  • memory/2192-23-0x0000000074050000-0x000000007473E000-memory.dmp
    Filesize

    6.9MB

  • memory/2984-11-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2984-21-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2984-19-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2984-22-0x0000000074050000-0x000000007473E000-memory.dmp
    Filesize

    6.9MB

  • memory/2984-17-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2984-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2984-13-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2984-7-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2984-9-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2984-24-0x0000000074050000-0x000000007473E000-memory.dmp
    Filesize

    6.9MB