Analysis

  • max time kernel
    141s
  • max time network
    111s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    21-01-2021 08:13

General

  • Target

    Kopie des Zahlungsauftrags.exe

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.1and1.es
  • Port:
    587
  • Username:
    info@cristaleriagandia.com
  • Password:
    qWa8u9_2

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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Kopie des Zahlungsauftrags.exe
    "C:\Users\Admin\AppData\Local\Temp\Kopie des Zahlungsauftrags.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4712
    • C:\Users\Admin\AppData\Local\Temp\Kopie des Zahlungsauftrags.exe
      "C:\Users\Admin\AppData\Local\Temp\Kopie des Zahlungsauftrags.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3460

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\Kopie des Zahlungsauftrags.exe.log
    MD5

    90acfd72f14a512712b1a7380c0faf60

    SHA1

    40ba4accb8faa75887e84fb8e38d598dc8cf0f12

    SHA256

    20806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86

    SHA512

    29dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9

  • memory/3460-13-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/3460-23-0x00000000064A0000-0x00000000064A1000-memory.dmp
    Filesize

    4KB

  • memory/3460-22-0x0000000005BC0000-0x0000000005BC1000-memory.dmp
    Filesize

    4KB

  • memory/3460-20-0x00000000057F0000-0x00000000057F1000-memory.dmp
    Filesize

    4KB

  • memory/3460-16-0x0000000073530000-0x0000000073C1E000-memory.dmp
    Filesize

    6.9MB

  • memory/3460-14-0x00000000004375DE-mapping.dmp
  • memory/4712-7-0x0000000005890000-0x0000000005891000-memory.dmp
    Filesize

    4KB

  • memory/4712-11-0x0000000005B20000-0x0000000005B43000-memory.dmp
    Filesize

    140KB

  • memory/4712-12-0x00000000066D0000-0x0000000006749000-memory.dmp
    Filesize

    484KB

  • memory/4712-10-0x0000000005AB0000-0x0000000005AB1000-memory.dmp
    Filesize

    4KB

  • memory/4712-9-0x0000000005AC0000-0x0000000005AC1000-memory.dmp
    Filesize

    4KB

  • memory/4712-8-0x0000000005780000-0x0000000005781000-memory.dmp
    Filesize

    4KB

  • memory/4712-2-0x0000000073530000-0x0000000073C1E000-memory.dmp
    Filesize

    6.9MB

  • memory/4712-6-0x0000000005D90000-0x0000000005D91000-memory.dmp
    Filesize

    4KB

  • memory/4712-5-0x00000000057F0000-0x00000000057F1000-memory.dmp
    Filesize

    4KB

  • memory/4712-3-0x0000000000EA0000-0x0000000000EA1000-memory.dmp
    Filesize

    4KB