Analysis

  • max time kernel
    124s
  • max time network
    106s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    27-01-2021 19:54

General

  • Target

    Order839392.exe

  • Size

    1.0MB

  • MD5

    c035f0df3bb95c39913eac8532326b30

  • SHA1

    e9feaf870f3f9a78585e80688338ff1cb6fab1bd

  • SHA256

    14ee78801ce291d55aa61b03f040d26ac233566b37d157b0721f5663a2dc0e1c

  • SHA512

    183025e08c1f92c114b5131d53e472f9bd75058108621afed05fb408c3e3c0fc65f632b180345c6f06029b559d413ac3c3350bc37f0c76cdab1e48c2efa410e4

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    strama5150

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 IoCs
  • 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
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Order839392.exe
    "C:\Users\Admin\AppData\Local\Temp\Order839392.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4764
    • C:\Users\Admin\AppData\Local\Temp\Order839392.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:512

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Order839392.exe.log
    MD5

    b4f7a6a57cb46d94b72410eb6a6d45a9

    SHA1

    69f3596ffa027202d391444b769ceea0ae14c5f7

    SHA256

    23994ebe221a48ea16ebad51ae0d4b47ccd415ae10581f9405e588d4f6c2523b

    SHA512

    be6da516e54c3a5b33ac2603137a2f8cf8445ff5961dd266faedf3627bae8979953d7ef305538df0151c609917a5b99bf5d023bdd32de50fd5c723950f90db5c

  • memory/512-12-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/512-25-0x0000000005531000-0x0000000005532000-memory.dmp
    Filesize

    4KB

  • memory/512-22-0x0000000006140000-0x0000000006141000-memory.dmp
    Filesize

    4KB

  • memory/512-21-0x00000000055C0000-0x00000000055C1000-memory.dmp
    Filesize

    4KB

  • memory/512-20-0x0000000005530000-0x0000000005531000-memory.dmp
    Filesize

    4KB

  • memory/512-15-0x00000000732D0000-0x00000000739BE000-memory.dmp
    Filesize

    6.9MB

  • memory/512-13-0x00000000004374FE-mapping.dmp
  • memory/4764-7-0x0000000007270000-0x0000000007271000-memory.dmp
    Filesize

    4KB

  • memory/4764-11-0x0000000009610000-0x0000000009611000-memory.dmp
    Filesize

    4KB

  • memory/4764-10-0x0000000008EA0000-0x0000000008EF6000-memory.dmp
    Filesize

    344KB

  • memory/4764-9-0x0000000008C30000-0x0000000008C34000-memory.dmp
    Filesize

    16KB

  • memory/4764-8-0x0000000006F00000-0x0000000006F01000-memory.dmp
    Filesize

    4KB

  • memory/4764-2-0x00000000732D0000-0x00000000739BE000-memory.dmp
    Filesize

    6.9MB

  • memory/4764-6-0x00000000072B0000-0x00000000072B1000-memory.dmp
    Filesize

    4KB

  • memory/4764-5-0x0000000007610000-0x0000000007611000-memory.dmp
    Filesize

    4KB

  • memory/4764-3-0x00000000000C0000-0x00000000000C1000-memory.dmp
    Filesize

    4KB