Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 14:19

General

  • Target

    1301dd3fb7afbea695c0d81ca9016ddb9b0090ee3c51717a6b8b7e4206ad0208.exe

  • Size

    755KB

  • MD5

    8e04b44c3b8b8a8b6cdca6908dd8e4c3

  • SHA1

    33100246c5c088d7d4972a36752dbc840427c496

  • SHA256

    1301dd3fb7afbea695c0d81ca9016ddb9b0090ee3c51717a6b8b7e4206ad0208

  • SHA512

    c3e5f1cb43c34060c33be4a07b37e4a82b9587240a2545c42ac6f7b3e720181194769f6ae518990ea4a0e8f80694b50822c934fc14c6b60eff0c87d8b40ecbdf

  • SSDEEP

    12288:VI/WET/mr9K+22BEEzFatnnFsaAKhtSXOonGusHHsmVeS1vowVqh3Bh/ErM2SqlC:sWtb3BE5OaAKDWGuKsOeS1O3BlsM2SPF

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://eu-west-1.sftpcloud.io
  • Port:
    21
  • Username:
    91687a7459034251bf46decf042c73b6
  • Password:
    TT70ddky2yNKGpkX1I1OBsDlEcGIaUsv

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 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1301dd3fb7afbea695c0d81ca9016ddb9b0090ee3c51717a6b8b7e4206ad0208.exe
    "C:\Users\Admin\AppData\Local\Temp\1301dd3fb7afbea695c0d81ca9016ddb9b0090ee3c51717a6b8b7e4206ad0208.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2288
    • C:\Users\Admin\AppData\Local\Temp\1301dd3fb7afbea695c0d81ca9016ddb9b0090ee3c51717a6b8b7e4206ad0208.exe
      "C:\Users\Admin\AppData\Local\Temp\1301dd3fb7afbea695c0d81ca9016ddb9b0090ee3c51717a6b8b7e4206ad0208.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2640

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2288-0-0x0000000074D4E000-0x0000000074D4F000-memory.dmp
    Filesize

    4KB

  • memory/2288-1-0x0000000000800000-0x00000000008C4000-memory.dmp
    Filesize

    784KB

  • memory/2288-2-0x0000000074D40000-0x000000007542E000-memory.dmp
    Filesize

    6.9MB

  • memory/2288-3-0x00000000004D0000-0x00000000004F2000-memory.dmp
    Filesize

    136KB

  • memory/2288-4-0x0000000000220000-0x000000000022C000-memory.dmp
    Filesize

    48KB

  • memory/2288-5-0x0000000000240000-0x0000000000250000-memory.dmp
    Filesize

    64KB

  • memory/2288-6-0x00000000060C0000-0x0000000006142000-memory.dmp
    Filesize

    520KB

  • memory/2288-18-0x0000000074D40000-0x000000007542E000-memory.dmp
    Filesize

    6.9MB

  • memory/2640-7-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2640-13-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2640-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2640-10-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2640-9-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2640-19-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2640-8-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2640-15-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2640-20-0x0000000074D40000-0x000000007542E000-memory.dmp
    Filesize

    6.9MB

  • memory/2640-21-0x0000000074D40000-0x000000007542E000-memory.dmp
    Filesize

    6.9MB

  • memory/2640-22-0x0000000074D40000-0x000000007542E000-memory.dmp
    Filesize

    6.9MB