Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-12-2023 13:43

General

  • Target

    630572ffb0dc40275a4645e9354c26e2673eb123bb88237abba3e905fc0073b3.exe

  • Size

    1.4MB

  • MD5

    ee1ba5e2867849f42e5a0d7cbb8a091a

  • SHA1

    6abd4142539516ba942ca352da42775c2755ffcd

  • SHA256

    630572ffb0dc40275a4645e9354c26e2673eb123bb88237abba3e905fc0073b3

  • SHA512

    6dce41e42e4278387eebbae857c27e57f801b269e3b601d6fbb6bba2f52c926f83fbedf1f914fe81dbcb48d0eef9907ace88f448217423896c482ad3c03c868a

  • SSDEEP

    24576:Z6xtk4c+nf9n9NNbFFdXN2/1DyfKvAZVpcocH8Zxo2iotosC+W:D4cKf9n9NNbFFdXN2/oKvEP3ZOR6Cf

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    server1.sqsendy.shop
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    {f];qthoiBBW

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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
  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\630572ffb0dc40275a4645e9354c26e2673eb123bb88237abba3e905fc0073b3.exe
    "C:\Users\Admin\AppData\Local\Temp\630572ffb0dc40275a4645e9354c26e2673eb123bb88237abba3e905fc0073b3.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4964
    • C:\Users\Admin\AppData\Local\Temp\630572ffb0dc40275a4645e9354c26e2673eb123bb88237abba3e905fc0073b3.exe
      C:\Users\Admin\AppData\Local\Temp\630572ffb0dc40275a4645e9354c26e2673eb123bb88237abba3e905fc0073b3.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2524

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\630572ffb0dc40275a4645e9354c26e2673eb123bb88237abba3e905fc0073b3.exe.log

    Filesize

    927B

    MD5

    4a911455784f74e368a4c2c7876d76f4

    SHA1

    a1700a0849ffb4f26671eb76da2489946b821c34

    SHA256

    264098e15b5b33d425f3b76e45b7976b58f917048125041135f7e60d8151108c

    SHA512

    4617591400409e1930195795a55e20d5f063042bb3e9fd1955099066e507b6ac8a1e3ae54cc42418e2639149b31bf7e58cd5743670d9030a15e29f14d813815d

  • memory/2524-10-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2524-22-0x00000000058B0000-0x00000000058C0000-memory.dmp

    Filesize

    64KB

  • memory/2524-21-0x00000000747A0000-0x0000000074F50000-memory.dmp

    Filesize

    7.7MB

  • memory/2524-20-0x0000000007220000-0x000000000722A000-memory.dmp

    Filesize

    40KB

  • memory/2524-19-0x0000000007280000-0x0000000007312000-memory.dmp

    Filesize

    584KB

  • memory/2524-18-0x0000000007140000-0x00000000071DC000-memory.dmp

    Filesize

    624KB

  • memory/2524-14-0x00000000747A0000-0x0000000074F50000-memory.dmp

    Filesize

    7.7MB

  • memory/2524-16-0x00000000058C0000-0x0000000005926000-memory.dmp

    Filesize

    408KB

  • memory/2524-15-0x00000000058B0000-0x00000000058C0000-memory.dmp

    Filesize

    64KB

  • memory/2524-17-0x0000000007050000-0x00000000070A0000-memory.dmp

    Filesize

    320KB

  • memory/4964-5-0x00000000058C0000-0x0000000005900000-memory.dmp

    Filesize

    256KB

  • memory/4964-8-0x00000000061B0000-0x0000000006754000-memory.dmp

    Filesize

    5.6MB

  • memory/4964-3-0x0000000005860000-0x00000000058C4000-memory.dmp

    Filesize

    400KB

  • memory/4964-2-0x0000000005910000-0x0000000005920000-memory.dmp

    Filesize

    64KB

  • memory/4964-13-0x00000000747A0000-0x0000000074F50000-memory.dmp

    Filesize

    7.7MB

  • memory/4964-0-0x0000000000DD0000-0x0000000000F44000-memory.dmp

    Filesize

    1.5MB

  • memory/4964-7-0x0000000005B40000-0x0000000005B8C000-memory.dmp

    Filesize

    304KB

  • memory/4964-6-0x0000000005AF0000-0x0000000005B30000-memory.dmp

    Filesize

    256KB

  • memory/4964-4-0x0000000005990000-0x00000000059E8000-memory.dmp

    Filesize

    352KB

  • memory/4964-1-0x00000000747A0000-0x0000000074F50000-memory.dmp

    Filesize

    7.7MB