Overview

overview

10

Static

static

CO, health...CI.exe

windows7-x64

10

CO, health...CI.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    101s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-10-2022 12:58

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General

  • Target

    CO, health certificate, health certificate, Korean export license, Packing List, CI.exe

  • Size

    542KB

  • MD5

    73f0cbb705d4c31d747d78cc75f9d3c3

  • SHA1

    945ac7c37a60ad8aa1faca77b8f17ee29499dd9f

  • SHA256

    adf7cb6713138d66694f60fb3b3bad323f60e1f1767ae8c009a797c0c4a9fc88

  • SHA512

    c643e2c90bc094730d606007dea3037719bcc9e509bfc2e823e9f637e65bd06dabd29f55a3840acaf31a66663e7f82b6239090b32031a4501c3b39d78d424d7e

  • SSDEEP

    12288:pPt52iNFA3SonBfYCblzJ4bbJsF+18uasUTOjE0b7OKWuZlPY:hn1FuJDBJ4b6+p1Kwbidiu

Score
10/10
agentteslacollectionkeyloggerspywarestealertrojan

Malware Config

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    mail.sseximclearing.com
  • Port:
    587
  • Username:
    saurav.roy@sseximclearing.com
  • Password:
    Ssxm@9854

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • 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 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CO, health certificate, health certificate, Korean export license, Packing List, CI.exe
    "C:\Users\Admin\AppData\Local\Temp\CO, health certificate, health certificate, Korean export license, Packing List, CI.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2976
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HRRjysKgJNVjv" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2EFF.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3364
    • C:\Users\Admin\AppData\Local\Temp\CO, health certificate, health certificate, Korean export license, Packing List, CI.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1280

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\Temp\tmp2EFF.tmp
    Filesize

    1KB

    MD5

    35848294e6a9d519b30925f414385709

    SHA1

    2af1c5c1f8510194ac5e0e1fca76faad2e0dbb4b

    SHA256

    f201bfc77b84e5048efd632dde83eb9605f1149dbcff49367d575e74f2282a1c

    SHA512

    fb23c201ab9653ce5efb4268c1854ee772f243d011589e1bcd5a8a4914a4a668b93e787b2501354160d8bcad4ac7bbcadf3772e3b9adca9dca31986a3ed4ad8b

    Download Submit
  • memory/1280-139-0x0000000000000000-mapping.dmp
    Download
  • memory/1280-140-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

    Download
  • memory/1280-141-0x0000000005DB0000-0x0000000005E16000-memory.dmp
    Filesize

    408KB

    Download
  • memory/1280-142-0x0000000006510000-0x0000000006560000-memory.dmp
    Filesize

    320KB

    Download
  • memory/2976-132-0x0000000000CD0000-0x0000000000D5C000-memory.dmp
    Filesize

    560KB

    Download
  • memory/2976-133-0x0000000005BD0000-0x0000000006174000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/2976-134-0x0000000005700000-0x0000000005792000-memory.dmp
    Filesize

    584KB

    Download
  • memory/2976-135-0x0000000005840000-0x00000000058DC000-memory.dmp
    Filesize

    624KB

    Download
  • memory/2976-136-0x00000000057A0000-0x00000000057AA000-memory.dmp
    Filesize

    40KB

    Download
  • memory/3364-137-0x0000000000000000-mapping.dmp
    Download