Overview

overview

10

Static

static

commission...ce.exe

windows7_x64

10

commission...ce.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    212s
  • max time network
    225s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 23:51

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General

  • Target

    commission invoice.exe

  • Size

    879KB

  • MD5

    e770121ccf7b3cddde5d6548cb9efdfe

  • SHA1

    6b4fd83d704d5d597bb6e03cdc44c42839519e89

  • SHA256

    f7e7f9c0172ba900708b35378e311e9a29168621ed968082f3f980f81de19c54

  • SHA512

    4db81351423107334c31a91bbd2707022df9f6bc5dfb262d471222f6c678d5d1a8b90abb8705af5acee80e53b59251c4d18389f06b69d881b01a39fb6376a30b

Score
10/10
agentteslacollectionevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.greensudrhotel.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Greensudr2017

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 1 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs
    evasion
  • Looks for VMWare Tools registry key 2 TTPs
    evasion
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • 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
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • 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 9 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\commission invoice.exe
    "C:\Users\Admin\AppData\Local\Temp\commission invoice.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks computer location settings
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3696
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ATjatAotT" /XML "C:\Users\Admin\AppData\Local\Temp\tmp822B.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4680
    • C:\Users\Admin\AppData\Local\Temp\commission invoice.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:1976

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

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

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\commission invoice.exe.log
    Filesize

    599B

    MD5

    327812399a13e05d78e14626d48bc050

    SHA1

    8584cf27b3eb6f345b53bac8ba392ba227f64e22

    SHA256

    5e1d2615757ea2cc8a0b0f2c7ec0b9919f43d7fc01b53905510058cea1821224

    SHA512

    dbd93336cf1f241a345027b8e111e02e2eb0156a348a377169c623df1b93e57bf5a4d416af3bae4c4739ffe9f9419b8a7a787167f7f04bcf1aeff27ca38108a9

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\tmp822B.tmp
    Filesize

    1KB

    MD5

    187753f65592c31f5c95d63d62fc7117

    SHA1

    72796788e0b95f356e39e0ebc135014e25baf575

    SHA256

    f83aab355e9183763e508903046641a76644effaae01ba7584ddf74b0149300f

    SHA512

    eb01b6217f218558e2d22e246629ce0f3941c61fc90e23646d188f172d1f896dac8d3f1b8d7112d494cb328a6677650c0af9db93f7163ec069b6d2d20b7846c8

    Download Submit
  • memory/1976-137-0x0000000000000000-mapping.dmp
    Download
  • memory/1976-138-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1976-140-0x0000000006E20000-0x0000000006E70000-memory.dmp
    Filesize

    320KB

    Download
  • memory/1976-141-0x0000000001780000-0x000000000178A000-memory.dmp
    Filesize

    40KB

    Download
  • memory/3696-130-0x0000000000360000-0x0000000000442000-memory.dmp
    Filesize

    904KB

    Download
  • memory/3696-131-0x0000000005590000-0x0000000005B34000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/3696-132-0x0000000005180000-0x0000000005212000-memory.dmp
    Filesize

    584KB

    Download
  • memory/3696-133-0x00000000052C0000-0x000000000535C000-memory.dmp
    Filesize

    624KB

    Download
  • memory/3696-134-0x000000000B890000-0x000000000B8F6000-memory.dmp
    Filesize

    408KB

    Download
  • memory/4680-135-0x0000000000000000-mapping.dmp
    Download