Overview

overview

10

Static

static

TT SWIFT.PDF.exe

windows7_x64

10

TT SWIFT.PDF.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    143s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 00:58

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General

  • Target

    TT SWIFT.PDF.exe

  • Size

    437KB

  • MD5

    16cead8ab91ee65984e242d25310c8eb

  • SHA1

    56eee9eed7bca79c2380ca2f8b88d5938af3cc10

  • SHA256

    285921447b7223c6f6c6419c9ddfa5d26619286089de7cefa3255aa5f6c3bd51

  • SHA512

    44cc25cb1b8c9e97706455f4de08d0b47dd09da957b4444901091726e74929d55ed8db284c501bd3d8f55af1c3bfdff0a3edc2a2652a50a0ba266b2976b6f9ab

Score
10/10
agentteslacollectionkeyloggerpersistencespywarestealersuricatatrojan

Malware Config

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    mail.yitaipackaging.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    22799213

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.yitaipackaging.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    22799213

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • suricata: ET MALWARE AgentTesla Exfil Via SMTP

    suricata: ET MALWARE AgentTesla Exfil Via SMTP

    suricata
  • AgentTesla Payload 1 IoCs
  • Drops file in Drivers directory 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
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

    persistence
  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 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\TT SWIFT.PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\TT SWIFT.PDF.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4076
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dumIvW" /XML "C:\Users\Admin\AppData\Local\Temp\tmp82CC.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1332
    • C:\Users\Admin\AppData\Local\Temp\TT SWIFT.PDF.exe
      "{path}"
      2⤵
      • Drops file in Drivers directory
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:32
      • C:\Windows\SysWOW64\REG.exe
        REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System / v DisableTaskMgr / t REG_DWORD / d 1 / f
        3⤵
        • Modifies registry key
        PID:4332
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k netsvcs -p
    1⤵
    • Drops file in System32 directory
    • Checks processor information in registry
    • Enumerates system info in registry
    PID:3560

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

4
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\Temp\tmp82CC.tmp
    Filesize

    1KB

    MD5

    54ca8bd3fa25b6115450f6b96ffecd9d

    SHA1

    7f197fd3a9c272aaa74ef18bcc6a9e12672a75c5

    SHA256

    1c46b1c81b6451084bb54aaa5312588c61f12faef6877f378f4530b4bdbb527f

    SHA512

    0b892e54546cfe7a70dd56327cfa2b51120a998792335ddbb9318309f79859aeee6179463c01994c579d2cce97e6d59d5ea61fcaad2f14371aff1757badbb4c8

    Download Submit
  • memory/32-137-0x0000000000000000-mapping.dmp
    Download
  • memory/32-138-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/32-139-0x00000000060E0000-0x0000000006146000-memory.dmp
    Filesize

    408KB

    Download
  • memory/32-140-0x0000000006520000-0x0000000006570000-memory.dmp
    Filesize

    320KB

    Download
  • memory/1332-135-0x0000000000000000-mapping.dmp
    Download
  • memory/4076-130-0x00000000006C0000-0x0000000000734000-memory.dmp
    Filesize

    464KB

    Download
  • memory/4076-131-0x0000000007B00000-0x00000000080A4000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/4076-132-0x00000000075F0000-0x0000000007682000-memory.dmp
    Filesize

    584KB

    Download
  • memory/4076-133-0x00000000075B0000-0x00000000075BA000-memory.dmp
    Filesize

    40KB

    Download
  • memory/4076-134-0x0000000009AC0000-0x0000000009B5C000-memory.dmp
    Filesize

    624KB

    Download
  • memory/4332-141-0x0000000000000000-mapping.dmp
    Download