Analysis

  • max time kernel
    146s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    23-05-2024 03:53

General

  • Target

    781880fa9f1197427d5a1ba2c3931da4be0612ad0b83bfce4d38725f97c436b5.exe

  • Size

    774KB

  • MD5

    8b7b19184d4eaa008d1cbba2bfece478

  • SHA1

    6b9eb0677d179ccdbb102c9afd7301861f704dfc

  • SHA256

    781880fa9f1197427d5a1ba2c3931da4be0612ad0b83bfce4d38725f97c436b5

  • SHA512

    c4a18213049ceb04d32f102bde262a6e05ea231e3aeca4a0f343e292316921c29f7cafbe5d61fb2ae87f0ecbd68657f142c6333754b5d857ccffefd90df0551f

  • SSDEEP

    24576:lWtb3BEDCnB93LtxDXkJORp71RFE0nu3Tv:IZBEDUBhLth0Q/1RFE/3Tv

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.midhcodistribuciones.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    ,A7}+JV4KExQ

Signatures

  • AgentTesla

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

  • 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 1 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 WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\781880fa9f1197427d5a1ba2c3931da4be0612ad0b83bfce4d38725f97c436b5.exe
    "C:\Users\Admin\AppData\Local\Temp\781880fa9f1197427d5a1ba2c3931da4be0612ad0b83bfce4d38725f97c436b5.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1140
    • C:\Users\Admin\AppData\Local\Temp\781880fa9f1197427d5a1ba2c3931da4be0612ad0b83bfce4d38725f97c436b5.exe
      "C:\Users\Admin\AppData\Local\Temp\781880fa9f1197427d5a1ba2c3931da4be0612ad0b83bfce4d38725f97c436b5.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5052

Network

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\781880fa9f1197427d5a1ba2c3931da4be0612ad0b83bfce4d38725f97c436b5.exe.log
    Filesize

    1KB

    MD5

    7e1ed0055c3eaa0bbc4a29ec1ef15a6a

    SHA1

    765b954c1adbb6a6ecc4fe912fdaa6d0fba0ae7d

    SHA256

    4c17576f64dea465c45a50573ee41771f7be9962ab2d07f961af4df5589bdcce

    SHA512

    de7c784c37d18c43820908add88f08ab4864c0ef3f9d158cc2c9d1bab120613cb093dd4bfc5d7ed0c289414956cfe0b213c386f8e6b5753847dec915566297c8

  • memory/1140-10-0x000000000AF80000-0x000000000B01C000-memory.dmp
    Filesize

    624KB

  • memory/1140-1-0x00000000003E0000-0x00000000004A4000-memory.dmp
    Filesize

    784KB

  • memory/1140-3-0x0000000004F50000-0x0000000004FE2000-memory.dmp
    Filesize

    584KB

  • memory/1140-4-0x0000000005100000-0x000000000510A000-memory.dmp
    Filesize

    40KB

  • memory/1140-5-0x0000000074FC0000-0x0000000075771000-memory.dmp
    Filesize

    7.7MB

  • memory/1140-6-0x0000000007870000-0x0000000007892000-memory.dmp
    Filesize

    136KB

  • memory/1140-7-0x00000000051A0000-0x00000000051AC000-memory.dmp
    Filesize

    48KB

  • memory/1140-11-0x0000000074FCE000-0x0000000074FCF000-memory.dmp
    Filesize

    4KB

  • memory/1140-9-0x0000000006460000-0x00000000064E4000-memory.dmp
    Filesize

    528KB

  • memory/1140-0-0x0000000074FCE000-0x0000000074FCF000-memory.dmp
    Filesize

    4KB

  • memory/1140-8-0x0000000002820000-0x0000000002830000-memory.dmp
    Filesize

    64KB

  • memory/1140-12-0x0000000074FC0000-0x0000000075771000-memory.dmp
    Filesize

    7.7MB

  • memory/1140-17-0x0000000074FC0000-0x0000000075771000-memory.dmp
    Filesize

    7.7MB

  • memory/1140-2-0x0000000005400000-0x00000000059A6000-memory.dmp
    Filesize

    5.6MB

  • memory/5052-16-0x0000000074FC0000-0x0000000075771000-memory.dmp
    Filesize

    7.7MB

  • memory/5052-13-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/5052-18-0x0000000074FC0000-0x0000000075771000-memory.dmp
    Filesize

    7.7MB

  • memory/5052-19-0x0000000005930000-0x0000000005996000-memory.dmp
    Filesize

    408KB

  • memory/5052-20-0x0000000006E80000-0x0000000006ED0000-memory.dmp
    Filesize

    320KB

  • memory/5052-21-0x0000000074FC0000-0x0000000075771000-memory.dmp
    Filesize

    7.7MB