Overview

overview

10

Static

static

image001.exe

windows7_x64

10

image001.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    163s
  • max time network
    207s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 02:27

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General

  • Target

    image001.exe

  • Size

    421KB

  • MD5

    06bf42d97d201d12f72e8774eacd6f16

  • SHA1

    417e7b5aee87389d551b78a73f0bc50c673bed5b

  • SHA256

    c5a9b35e88c8854b9ded651caf716d6ecf5e30454859c4a664d2120145bccc67

  • SHA512

    e6f703acd943798413ff377369ee396f111d17aac31a7338e45c71576be64c2ca867701c18e80047cb2d31f963ebb71071778a1b08a123a18e1f0e4b4d47bd4f

Score
10/10
agentteslacollectionkeyloggerspywarestealertrojan

Malware Config

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    T@nkTr@ns135@$^6^

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    T@nkTr@ns135@$^6^

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\image001.exe
    "C:\Users\Admin\AppData\Local\Temp\image001.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1808
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZWxymgmxYIFCs" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2BCE.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4468
    • C:\Users\Admin\AppData\Local\Temp\image001.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:5108

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\Temp\tmp2BCE.tmp
    Filesize

    1KB

    MD5

    1b2ef99b42094c4ea31fbf1ce3cf47ad

    SHA1

    c65e96818ec423b5359b8e16a3a8445711b52d3e

    SHA256

    c3eb7edc8832b33f1f2783a9ba7b6c5405af4a6690ffb1bc087165a9f3388d1b

    SHA512

    a13f014a5e3a06b04ee1a555f3987e3da841ad2f3942d579570fc05c0dc0632e35680a88ea9057ff76d32e0e762dd4a09f2b8b4b84c84def4aac23a460f16ea7

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  • memory/1808-130-0x00000000752D0000-0x0000000075881000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/4468-131-0x0000000000000000-mapping.dmp
    Download
  • memory/5108-133-0x0000000000000000-mapping.dmp
    Download
  • memory/5108-134-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/5108-135-0x00000000752D0000-0x0000000075881000-memory.dmp
    Filesize

    5.7MB

    Download