Analysis

  • max time kernel
    128s
  • max time network
    124s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    21-10-2021 14:05

General

  • Target

    Payment Order PDF.exe

  • Size

    490KB

  • MD5

    c1e714ba72c555e4a63385070b61dede

  • SHA1

    f8c2e2533faf6045a4606a10dd75d343f75a1100

  • SHA256

    6fd5a741816876a01cba7faedbd4c98fc21243e49f46669d61506df36ebe78f4

  • SHA512

    7468a8ab7abcba362938d6c9455f8d33cb73a4b7ccf956662754794b8287e25f39ec62a8d605fe2390db32deaa8f3ec2a1579dd3d81688dc40af3d7683bd10dc

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    webmail.emirtecnt.com
  • Port:
    587
  • Username:
    store@emirtecnt.com
  • Password:
    Ablegod123456

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payment Order PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment Order PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3576
    • C:\Users\Admin\AppData\Local\Temp\Payment Order PDF.exe
      "C:\Users\Admin\AppData\Local\Temp\Payment Order PDF.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4460

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

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

    0c2899d7c6746f42d5bbe088c777f94c

    SHA1

    622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

    SHA256

    5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

    SHA512

    ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

  • memory/3576-122-0x0000000006330000-0x0000000006331000-memory.dmp
    Filesize

    4KB

  • memory/3576-117-0x0000000005B10000-0x0000000005B11000-memory.dmp
    Filesize

    4KB

  • memory/3576-119-0x0000000005570000-0x0000000005571000-memory.dmp
    Filesize

    4KB

  • memory/3576-120-0x00000000055F0000-0x00000000055F7000-memory.dmp
    Filesize

    28KB

  • memory/3576-121-0x0000000005590000-0x0000000005591000-memory.dmp
    Filesize

    4KB

  • memory/3576-115-0x0000000000CD0000-0x0000000000CD1000-memory.dmp
    Filesize

    4KB

  • memory/3576-123-0x00000000063D0000-0x0000000006428000-memory.dmp
    Filesize

    352KB

  • memory/3576-118-0x0000000005610000-0x0000000005611000-memory.dmp
    Filesize

    4KB

  • memory/4460-124-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/4460-125-0x000000000043763E-mapping.dmp
  • memory/4460-131-0x00000000053F0000-0x00000000058EE000-memory.dmp
    Filesize

    5.0MB

  • memory/4460-132-0x0000000005430000-0x0000000005431000-memory.dmp
    Filesize

    4KB

  • memory/4460-133-0x00000000060E0000-0x00000000060E1000-memory.dmp
    Filesize

    4KB

  • memory/4460-136-0x00000000053F0000-0x00000000058EE000-memory.dmp
    Filesize

    5.0MB