Overview

overview

10

Static

static

INVOICE_22...xs.exe

windows7_x64

10

INVOICE_22...xs.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    148s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 00:57

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General

  • Target

    INVOICE_2203320045_xlxs.exe

  • Size

    526KB

  • MD5

    dd108215d60d63656303ca265f03fade

  • SHA1

    4eb98302f26496e020dc62d927555d9ae880fb10

  • SHA256

    af27bd7180ad756460e32f2ae56db7cbdc8a79e73a36b261a96f803e5b051fd5

  • SHA512

    dfb474ed650e7f56261047a45a938ffcf6653d57f5cc3bb95ae4651af04f31b8056657d1ccf8229caf3af91d387fdc8a411d43833194d7ede6f9a897982e92f2

Score
10/10
agentteslacollectionkeyloggerspywarestealertrojan

Malware Config

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    blessing2020

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    blessing2020

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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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_2203320045_xlxs.exe
    "C:\Users\Admin\AppData\Local\Temp\INVOICE_2203320045_xlxs.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3152
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KtYjgOHP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp879F.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4288
    • C:\Users\Admin\AppData\Local\Temp\INVOICE_2203320045_xlxs.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4332

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_v2.0_32\UsageLogs\INVOICE_2203320045_xlxs.exe.log
    Filesize

    496B

    MD5

    cb76b18ebed3a9f05a14aed43d35fba6

    SHA1

    836a4b4e351846fca08b84149cb734cb59b8c0d6

    SHA256

    8d0edecf54cbbdf7981c8e41a3ed8621503188a87415f9af0fb8d890b138c349

    SHA512

    7631141e4a6dda29452ada666326837372cd3d045f773006f63d9eff15d9432ed00029d9108a72c1a3b858377600a2aab2c9ec03764285c8801b6019babcf21c

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\tmp879F.tmp
    Filesize

    1KB

    MD5

    b057532ccdee2bf1e80d86aee1d28228

    SHA1

    cb2196868b44f9c9528cd616e7d5452932a67e50

    SHA256

    bff010d334769d9ae65ffab48620498e63a4baed76518f870167cfddc3819852

    SHA512

    16b02a85e5488c6814da92fc7f7854e0416889520752fb19ba42622847866118d817f762f7c75d7a9b4e6ddb876b8472a4283a6d53651d8479645b8d4da5e981

    Download Submit
  • memory/3152-130-0x00000000747F0000-0x0000000074DA1000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/4288-131-0x0000000000000000-mapping.dmp
    Download
  • memory/4332-133-0x0000000000000000-mapping.dmp
    Download
  • memory/4332-134-0x0000000000400000-0x0000000000466000-memory.dmp
    Filesize

    408KB

    Download
  • memory/4332-136-0x00000000747F0000-0x0000000074DA1000-memory.dmp
    Filesize

    5.7MB

    Download