Overview

overview

10

Static

static

Invoice UT...df.exe

windows7_x64

9

Invoice UT...df.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 12:44

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General

  • Target

    Invoice UT05-222546.pdf.exe

  • Size

    360KB

  • MD5

    b76512014f74e255d5fa3bd144090baf

  • SHA1

    19e3bd57858eea5e1904f379f5683243e39fbaed

  • SHA256

    6de0a133506d6df141e56bf1f834c3028c31809a056f7bb97d76c9199c5823b7

  • SHA512

    5c5d3757ebdb6bdd86d1de031889e788ea480c178e3e2959e314c1983a6f0da0eca698e384a70a616e7147cf1d3a406df7d615d84965b0b8d6a04069e438e4f3

Score
10/10
agentteslacollectionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.ahrass.com
  • Port:
    587
  • Username:
    mohamedadjal@ahrass.com
  • Password:
    chukwuma22

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

    spywarestealer
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

    spywarestealer
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
    collection
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Invoice UT05-222546.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Invoice UT05-222546.pdf.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2764
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yNYFRHTfohvGo" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAB82.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4052
    • C:\Users\Admin\AppData\Local\Temp\Invoice UT05-222546.pdf.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:4468

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Invoice UT05-222546.pdf.exe.log
    Filesize

    507B

    MD5

    ab4c71d3ff6255edd4e5c1e09540f49e

    SHA1

    22e06bf4e258741b5df918061871cba998c50cea

    SHA256

    1690fec628f775dd3c3385b800eed126b37978ef2ffd592b024052724caafb5a

    SHA512

    8fa7d0045796e6cda7c28e2b9a690ef550619828c1b5d0ebf8e8367aff4bf4d9f63121e5b4f199d30cb8006eb584c6767f4c59150749b8256dab9dd0ebd9f1af

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\tmpAB82.tmp
    Filesize

    1KB

    MD5

    c7849b67024a9515d2b9db747a76bbec

    SHA1

    674e6e598c5ee364edc84f64b70edde95c251aef

    SHA256

    b02cffaaeab79111f61f70489c1b913063f3a61a5146801d0ee1d5e380169467

    SHA512

    a816d3e3efed6eae4add292d096d5538711e59ee3a2116a07beeaacff4dcb47555b389a77aac273f23f4e1519bac481fc0ca10083b2fff5a97273d9a418af70c

    Download Submit
  • memory/2764-130-0x0000000000380000-0x00000000003E0000-memory.dmp
    Filesize

    384KB

    Download
  • memory/2764-131-0x0000000004BE0000-0x0000000004C7C000-memory.dmp
    Filesize

    624KB

    Download
  • memory/2764-132-0x0000000004FE0000-0x0000000005072000-memory.dmp
    Filesize

    584KB

    Download
  • memory/2764-133-0x00000000058E0000-0x0000000005E84000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/4052-134-0x0000000000000000-mapping.dmp
    Download
  • memory/4468-136-0x0000000000000000-mapping.dmp
    Download
  • memory/4468-137-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/4468-139-0x0000000005F40000-0x0000000005FA6000-memory.dmp
    Filesize

    408KB

    Download
  • memory/4468-140-0x0000000006760000-0x00000000067B0000-memory.dmp
    Filesize

    320KB

    Download