Overview

overview

10

Static

static

Transfer C...on.exe

windows7_x64

10

Transfer C...on.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    152s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 22:18

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General

  • Target

    Transfer Confirmation.exe

  • Size

    617KB

  • MD5

    4933039c07233e307f6a8ee44229f81b

  • SHA1

    e0f164c88ead46da499516596adb16bde31b3243

  • SHA256

    1c8ee9c80b54c9a2f245d2e98ce8d25702becbc6584135c4278169d406016dd8

  • SHA512

    6072234ed2ee6c19e45ccc61dc52e730cbfd568a78ad2e11eae4714c34e95894b8fe93eabcb8c2ad1cc1e3b45a5e0326d393418dce0df7c39b4baa0289a94d7c

Score
10/10
agentteslacollectionkeyloggerspywarestealertrojan

Malware Config

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    K$pbkEK0

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    K$pbkEK0

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 5 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\Transfer Confirmation.exe
    "C:\Users\Admin\AppData\Local\Temp\Transfer Confirmation.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3540
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ekPvgdvGqRbZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp805B.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1856
    • C:\Users\Admin\AppData\Local\Temp\Transfer Confirmation.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:4776

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\Microsoft\CLR_v4.0_32\UsageLogs\Transfer Confirmation.exe.log
    Filesize

    1KB

    MD5

    2dc88967f8ab98d834998c930371997a

    SHA1

    fe54fd90824e71d0df04a47f460e1f72b9e1ffc4

    SHA256

    454ef7333f3fcdfff8957611a2bc97b3ab5aca972406b6d323e407424f2e7da9

    SHA512

    975af2932004d1f90474b2e0be35143e1c824c51d92b504cffb52036a4f37f1b62256c5c536089b570f23ada2cf37bbd3af96b14ebfdcfaacf7a65ba406cda77

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\tmp805B.tmp
    Filesize

    1KB

    MD5

    e4fb8b2dc6855654be9827e6f3ee461f

    SHA1

    1958ed144546229f193ed892f7c99a1c30851d7a

    SHA256

    656bbad5a81920df44bea57505dbddf585b17db6558ede8a50d309f99d7ad4a7

    SHA512

    6b64f6180cb76f53933ec39aa8a1ccae774459a5338f4cff8a7f8eb695ee9b59521b94dffcad065902305301fa46c625f8511eda01d984a2e28d2b7054bf80a8

    Download Submit
  • memory/1856-136-0x0000000000000000-mapping.dmp
    Download
  • memory/3540-133-0x00000000049B0000-0x00000000049BA000-memory.dmp
    Filesize

    40KB

    Download
  • memory/3540-134-0x0000000004C80000-0x0000000004CE6000-memory.dmp
    Filesize

    408KB

    Download
  • memory/3540-135-0x0000000007780000-0x000000000781C000-memory.dmp
    Filesize

    624KB

    Download
  • memory/3540-130-0x00000000000D0000-0x0000000000170000-memory.dmp
    Filesize

    640KB

    Download
  • memory/3540-132-0x00000000049F0000-0x0000000004A82000-memory.dmp
    Filesize

    584KB

    Download
  • memory/3540-131-0x00000000050A0000-0x0000000005644000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/4776-138-0x0000000000000000-mapping.dmp
    Download
  • memory/4776-139-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/4776-141-0x0000000006250000-0x00000000062B6000-memory.dmp
    Filesize

    408KB

    Download
  • memory/4776-142-0x00000000067B0000-0x0000000006800000-memory.dmp
    Filesize

    320KB

    Download