Overview

overview

10

Static

static

scan083120......exe

windows7_x64

10

scan083120......exe

windows10-2004_x64

10

Analysis

  • max time kernel
    91s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 12:43

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General

  • Target

    scan08312020.pdf .......exe

  • Size

    1.1MB

  • MD5

    f13581b27fd5fc2225e0f62fae689970

  • SHA1

    45739ac5a6a20d63b281e20a088214e3589020d5

  • SHA256

    92bb0317bc220657af5e88c2382bb04150052319693a2ed90616bf65ff44467a

  • SHA512

    9029fd8335f393ccd69b75871c61672d23af7a9f8fb77a14c68b00842d1a4822d2a7c3f9495026fac55a432f08b1c1b826f7a2145ad662aa1c1f7000b7ce98ea

Score
10/10
agentteslacollectionkeyloggerspywarestealertrojan

Malware Config

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    miss.vostrickova2016@yandex.ru
  • Password:
    3232908

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    miss.vostrickova2016@yandex.ru
  • Password:
    3232908

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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
    collection
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\scan08312020.pdf .......exe
    "C:\Users\Admin\AppData\Local\Temp\scan08312020.pdf .......exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4948
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YJSgfcxE" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCA93.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3728
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:4248
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
        dw20.exe -x -s 2080
        3⤵
        • Drops file in Windows directory
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of AdjustPrivilegeToken
        PID:4072

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

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Lateral Movement

Collection

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpCA93.tmp
    Filesize

    1KB

    MD5

    527ddb424944de86b4eab084dc457230

    SHA1

    cc1d4d7cc5d935afcde1df6d7bdb262cfb56d0e9

    SHA256

    578ef93d77f9deaee92c89534914bcf7dff253f071f7a1acce445bfa9c0b4f61

    SHA512

    593dc5d0639e1b5f767ddb265ed1b27985a41f32e66c839f76c85d9482450f3ebcebd2b7022fd5608176fab98e33d19a590dee05f2cddb87d04f08830f854e2c

    Download Submit
  • memory/3728-131-0x0000000000000000-mapping.dmp
    Download
  • memory/4072-136-0x0000000000000000-mapping.dmp
    Download
  • memory/4248-133-0x0000000000000000-mapping.dmp
    Download
  • memory/4248-134-0x0000000000400000-0x00000000004E2000-memory.dmp
    Filesize

    904KB

    Download
  • memory/4248-135-0x0000000075150000-0x0000000075701000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/4948-130-0x0000000075150000-0x0000000075701000-memory.dmp
    Filesize

    5.7MB

    Download