Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    29-04-2024 01:15

General

  • Target

    ba224a4ba38306a675c6b2567488634017dbcab8aee6ee0bd727d0e329e9e239.exe

  • Size

    689KB

  • MD5

    917c4f19408ea09ee9366002f2e77bf6

  • SHA1

    09b9d1545889e38d7d9f8f63ca5ab3ad8651a304

  • SHA256

    ba224a4ba38306a675c6b2567488634017dbcab8aee6ee0bd727d0e329e9e239

  • SHA512

    4a66744bcdf485d724ba4eadf496379935ff8bf006ec8bbda4f034c45ef4a014bfec26efea2ab2da266147dd00521ee1e392e2c46635899f6b1c8cdf85269f5e

  • SSDEEP

    12288:vYIPXjjOlMcW5hxtti8sQvX5L2pk56MU6ongQUph7HX6H+zl:vYIPfOlMNdievYk5HogQUpNCkl

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://eu-west-1.sftpcloud.io
  • Port:
    21
  • Username:
    8e065e20d50941049d65f96f62357139
  • Password:
    26esZMYm4svydFPPVNZDGTMnq25MRawd

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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 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\ba224a4ba38306a675c6b2567488634017dbcab8aee6ee0bd727d0e329e9e239.exe
    "C:\Users\Admin\AppData\Local\Temp\ba224a4ba38306a675c6b2567488634017dbcab8aee6ee0bd727d0e329e9e239.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2232
    • C:\Users\Admin\AppData\Local\Temp\ba224a4ba38306a675c6b2567488634017dbcab8aee6ee0bd727d0e329e9e239.exe
      "C:\Users\Admin\AppData\Local\Temp\ba224a4ba38306a675c6b2567488634017dbcab8aee6ee0bd727d0e329e9e239.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2572
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2232 -s 708
      2⤵
      • Program crash
      PID:2596

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/2232-0-0x0000000001160000-0x0000000001212000-memory.dmp
    Filesize

    712KB

  • memory/2232-1-0x0000000074150000-0x000000007483E000-memory.dmp
    Filesize

    6.9MB

  • memory/2232-2-0x0000000000C50000-0x0000000000C90000-memory.dmp
    Filesize

    256KB

  • memory/2232-3-0x0000000000660000-0x0000000000680000-memory.dmp
    Filesize

    128KB

  • memory/2232-4-0x0000000000680000-0x0000000000694000-memory.dmp
    Filesize

    80KB

  • memory/2232-5-0x000000000A290000-0x000000000A312000-memory.dmp
    Filesize

    520KB

  • memory/2232-19-0x0000000074150000-0x000000007483E000-memory.dmp
    Filesize

    6.9MB

  • memory/2572-18-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2572-11-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2572-16-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2572-14-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2572-10-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2572-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2572-8-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2572-6-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2572-21-0x0000000004BD0000-0x0000000004C10000-memory.dmp
    Filesize

    256KB

  • memory/2572-20-0x0000000074150000-0x000000007483E000-memory.dmp
    Filesize

    6.9MB

  • memory/2572-22-0x0000000074150000-0x000000007483E000-memory.dmp
    Filesize

    6.9MB

  • memory/2572-23-0x0000000004BD0000-0x0000000004C10000-memory.dmp
    Filesize

    256KB