Overview

overview

10

Static

static

9

Arrival_No...df.exe

windows7_x64

10

Arrival_No...df.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    105s
  • max time network
    167s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 03:34

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General

  • Target

    Arrival_Notice00011004pdf.exe

  • Size

    549KB

  • MD5

    d519245ca87707045f65b3194dbf112e

  • SHA1

    c164d290dbdeec322577695ee9e9ae263ea32a0d

  • SHA256

    b93b2e06a2a845fe91bb512887e32848cade8cf97741f7e3f440405b388ef9ad

  • SHA512

    ed91dabb8a308cbd7f31ff0142c3039da67c6b3e0be809ba5a6f6c6b08003d09d1476f7a162749c3ca62d9388bcc1f172c3dd9df2f5fbd2ee60b7fb1785d7fd4

Score
10/10
agentteslacollectionkeyloggerspywarestealertrojan

Malware Config

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    mail.karmachalets.co.in
  • Port:
    587
  • Username:
    akshya@karmachalets.co.in
  • Password:
    Akshya@123

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.karmachalets.co.in
  • Port:
    587
  • Username:
    akshya@karmachalets.co.in
  • Password:
    Akshya@123

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 1 IoCs
  • CoreCCC Packer 1 IoCs

    Detects CoreCCC packer used to load .NET malware.

  • 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 WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Arrival_Notice00011004pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Arrival_Notice00011004pdf.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3184
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bFGTvh" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB2DA.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4700
    • C:\Users\Admin\AppData\Local\Temp\Arrival_Notice00011004pdf.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:2268
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:2776

    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

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpB2DA.tmp
      Filesize

      1KB

      MD5

      7ff0c716d267aec21d1cf24b09d8dbba

      SHA1

      33f46587fce87058064408ff33f299d8156d6d99

      SHA256

      b5fe0fe46b3f4b23d5cc642984e820585eac4e533eefef2d769ebc14a9680d05

      SHA512

      124456cedb7df011312e54f1c4240f66ab13f9a1d7ef7d09f9726af59b3f53e5f1c4fb7ef6fef6691990185273b249c79c0354ce15b93f3a19a2203e71964093

      Download Submit
    • memory/2268-137-0x0000000000000000-mapping.dmp
      Download
    • memory/2268-138-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/2268-139-0x0000000005A00000-0x0000000005A66000-memory.dmp
      Filesize

      408KB

      Download
    • memory/2268-141-0x0000000006690000-0x00000000066E0000-memory.dmp
      Filesize

      320KB

      Download
    • memory/2776-140-0x0000000000000000-mapping.dmp
      Download
    • memory/3184-130-0x0000000000490000-0x0000000000520000-memory.dmp
      Filesize

      576KB

      Download
    • memory/3184-131-0x00000000098F0000-0x0000000009E94000-memory.dmp
      Filesize

      5.6MB

      Download
    • memory/3184-132-0x0000000005060000-0x00000000050F2000-memory.dmp
      Filesize

      584KB

      Download
    • memory/3184-133-0x0000000004FF0000-0x0000000004FFA000-memory.dmp
      Filesize

      40KB

      Download
    • memory/3184-134-0x0000000009850000-0x00000000098EC000-memory.dmp
      Filesize

      624KB

      Download
    • memory/4700-135-0x0000000000000000-mapping.dmp
      Download