Overview

overview

10

Static

static

INVOICE9.exe

windows7_x64

10

INVOICE9.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    129s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 12:06

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General

  • Target

    INVOICE9.exe

  • Size

    550KB

  • MD5

    005f4b79b9e9fdb2690c8e2db96daa7d

  • SHA1

    3a5235d9f3d7c048d569d2bfea64954c71be95a8

  • SHA256

    88ac38fd4d4a5bff6e2f09c5071b6b8d654e2d65da6662c02d14fabb32047ca7

  • SHA512

    541993e59dd90af133dffc4df7b10fd7889cd59e852f5fd3f5388cc2e87ff0883f4f5fdda523b7ac45f50860be7bd42526a7ce30ef493a877947af7cbb819bfb

Score
10/10
agentteslacollectionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     ftp
  • Host:
    ftp://asnbanknl.com/
  • Port:
    21
  • Username:
    smartpips
  • Password:
    3mPf4$l2

  • Protocol:     ftp
  • Host:
    ftp://asnbanknl.com/
  • Port:
    21
  • Username:
    smartpips
  • Password:
    3mPf4$l2

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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 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\INVOICE9.exe
    "C:\Users\Admin\AppData\Local\Temp\INVOICE9.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4284
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nLAgnrQTnlHGEV" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB892.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2288
    • C:\Users\Admin\AppData\Local\Temp\INVOICE9.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:2788

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

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\INVOICE9.exe.log
    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\tmpB892.tmp
    Filesize

    1KB

    MD5

    5eab64a213d8d16253ef09acba764fa6

    SHA1

    5a6e89518543f344da59c9982af9a8c451e2e363

    SHA256

    f76ce9853fce070244403987a16e4550b992defae37e72d98710bea9bb1c87e6

    SHA512

    d76f59a54418c5019d346d07a3045ef24b22e7353c2fb6da5c1fbfc7aa3022def2a47df037ee27fecd13cc879ad90744b1aa19278ff7e4960aec7e8da3ef0573

    Download Submit
  • memory/2288-135-0x0000000000000000-mapping.dmp
    Download
  • memory/2788-137-0x0000000000000000-mapping.dmp
    Download
  • memory/2788-138-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/2788-140-0x0000000005E90000-0x0000000005EF6000-memory.dmp
    Filesize

    408KB

    Download
  • memory/2788-141-0x0000000006580000-0x00000000065D0000-memory.dmp
    Filesize

    320KB

    Download
  • memory/4284-130-0x0000000000800000-0x0000000000890000-memory.dmp
    Filesize

    576KB

    Download
  • memory/4284-131-0x0000000005730000-0x0000000005CD4000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/4284-132-0x0000000005230000-0x00000000052C2000-memory.dmp
    Filesize

    584KB

    Download
  • memory/4284-133-0x00000000053E0000-0x00000000053EA000-memory.dmp
    Filesize

    40KB

    Download
  • memory/4284-134-0x0000000007AC0000-0x0000000007B5C000-memory.dmp
    Filesize

    624KB

    Download