Overview

overview

10

Static

static

AF mixer -...et.exe

windows7_x64

10

AF mixer -...et.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    73s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 22:38

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General

  • Target

    AF mixer - datasheet.exe

  • Size

    590KB

  • MD5

    6f2d4c88af5aa275984eebefbd42ceac

  • SHA1

    2879c6b0af7f620844eb84b3e76f62e60e51f11b

  • SHA256

    a4a7810facb6a01422c96f844bf7a537f4b6968190bc1c1de57810e73caa58ff

  • SHA512

    02df5a1a4b2fdb991b94ec256e685a2038078e6b07c767d37cae5426b01ae0170e9f9505501e612b8f92ffb685e28ea5ace3d04f2121d435e9df5a01365692f2

Score
10/10
agentteslacollectionevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    Smtp.yandex.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    shawama1000

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 6 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs
    evasion
  • Looks for VMWare Tools registry key 2 TTPs
    evasion
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • 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
  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • 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 WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\AF mixer - datasheet.exe
    "C:\Users\Admin\AppData\Local\Temp\AF mixer - datasheet.exe"
    1⤵
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1504
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ybycDnSdh" /XML "C:\Users\Admin\AppData\Local\Temp\tmp891E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1724
    • C:\Users\Admin\AppData\Local\Temp\AF mixer - datasheet.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1496

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

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

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\tmp891E.tmp
    Filesize

    1KB

    MD5

    2a16d0d9c52b2f88b46e9896a71aac2c

    SHA1

    be0fc062b35631f0dd48a2210f7fc349b59d74d8

    SHA256

    7f0bb5283f2f11dc5f5f16ff63cb9fe67a0dad51d12fcbb7302e1a14614e5a4c

    SHA512

    7cc6f57d95dd03ad1a5b1374bc77bbbda716fb6714ad351a861f735d6fe53cc6623fe0d1fa37458205f601955bf70bfb11bce5d16933f7f51eec43872c66742a

    Download Submit
  • memory/1496-64-0x0000000000400000-0x0000000000466000-memory.dmp
    Filesize

    408KB

    Download
  • memory/1496-66-0x00000000004612FE-mapping.dmp
    Download
  • memory/1496-71-0x0000000075271000-0x0000000075273000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1496-70-0x0000000000400000-0x0000000000466000-memory.dmp
    Filesize

    408KB

    Download
  • memory/1496-68-0x0000000000400000-0x0000000000466000-memory.dmp
    Filesize

    408KB

    Download
  • memory/1496-60-0x0000000000400000-0x0000000000466000-memory.dmp
    Filesize

    408KB

    Download
  • memory/1496-61-0x0000000000400000-0x0000000000466000-memory.dmp
    Filesize

    408KB

    Download
  • memory/1496-63-0x0000000000400000-0x0000000000466000-memory.dmp
    Filesize

    408KB

    Download
  • memory/1496-65-0x0000000000400000-0x0000000000466000-memory.dmp
    Filesize

    408KB

    Download
  • memory/1504-54-0x0000000001040000-0x00000000010DA000-memory.dmp
    Filesize

    616KB

    Download
  • memory/1504-56-0x0000000004C30000-0x0000000004CB4000-memory.dmp
    Filesize

    528KB

    Download
  • memory/1504-55-0x0000000000260000-0x000000000026A000-memory.dmp
    Filesize

    40KB

    Download
  • memory/1504-57-0x00000000058E0000-0x0000000005964000-memory.dmp
    Filesize

    528KB

    Download
  • memory/1724-58-0x0000000000000000-mapping.dmp
    Download