Overview

overview

10

Static

static

Purchase o...df.exe

windows7_x64

10

Purchase o...df.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    133s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 00:19

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General

  • Target

    Purchase order - OUR PO NO. 26107 - 26118.pdf.exe

  • Size

    440KB

  • MD5

    bfa073104e78d07bc7ea4cc3e7628d66

  • SHA1

    b5709bdf5f9256a1decb59856431ce03ecc9a786

  • SHA256

    5145299a7e9cafe3a9bd0a61ac828370dd4810edd14d37f74d7f06efa58fde35

  • SHA512

    f1fb4643c8ca31413667c696f5ccd38e678c58a8b95bea8b6158e32b090def419f3ad9cface85d2d6176924a14ff50076b6fcf49ad68469f9e089a008feb9b50

Score
10/10
agentteslacollectionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Loverboy123

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Loverboy123

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 1 IoCs
  • 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
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Purchase order - OUR PO NO. 26107 - 26118.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Purchase order - OUR PO NO. 26107 - 26118.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4844
    • C:\Users\Admin\AppData\Local\Temp\Purchase order - OUR PO NO. 26107 - 26118.pdf.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2184

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

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

  • memory/2184-133-0x0000000000000000-mapping.dmp
    Download
  • memory/2184-134-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/2184-135-0x00000000058A0000-0x0000000005E44000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/2184-136-0x0000000006200000-0x0000000006266000-memory.dmp
    Filesize

    408KB

    Download
  • memory/2184-137-0x00000000065A0000-0x00000000065F0000-memory.dmp
    Filesize

    320KB

    Download
  • memory/2184-138-0x00000000066C0000-0x00000000066CA000-memory.dmp
    Filesize

    40KB

    Download
  • memory/4844-130-0x0000000000FA0000-0x0000000001014000-memory.dmp
    Filesize

    464KB

    Download
  • memory/4844-131-0x0000000005CE0000-0x0000000005D7C000-memory.dmp
    Filesize

    624KB

    Download
  • memory/4844-132-0x0000000005E20000-0x0000000005EB2000-memory.dmp
    Filesize

    584KB

    Download