Overview

overview

10

Static

static

20892_8806983.pdf.exe

windows7_x64

9

20892_8806983.pdf.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    138s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    24-05-2022 21:30

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General

  • Target

    20892_8806983.pdf.exe

  • Size

    433KB

  • MD5

    1a2c609e0f08fd8e06d78e4fe6c5602c

  • SHA1

    05c72f54cc61ce4fcff09fd47d542c94300b671d

  • SHA256

    f1c7c8d083966fdd7e796c0972b3542d0ac6b0188d2ba15d79359924915910f6

  • SHA512

    cbb6bf3396bc8e7d4fe29574f4908102d419c3719d6956d3cc2d1112b585c8584a46ca5f0882f8d513855ca06d0080fd29aaef444662e074725bcb9c09ca345b

Score
10/10
agentteslakeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.ahrass.com
  • Port:
    587
  • Username:
    mohamedadjal@ahrass.com
  • Password:
    chukwuma22

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.

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\20892_8806983.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\20892_8806983.pdf.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2576
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oLsBCAYPOJHobZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp395.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1244
    • C:\Users\Admin\AppData\Local\Temp\20892_8806983.pdf.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1336

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

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\20892_8806983.pdf.exe.log
    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\tmp395.tmp
    Filesize

    1KB

    MD5

    5fe27bf2a8c5f2127162fc08e0ca4ac4

    SHA1

    7f04fc10714e5ee7a9b3a52031bfc6be3af4f431

    SHA256

    87804cc0df3a2c890b33a8ce89ade1e21ae4a5bdb576e92e1d796e3f4559a118

    SHA512

    e7102644cc578bdf8912381deabed255c0a1831bd67bc41ad98bf6b6751056f8bcb5684e0754a5d2ee601faa271cc8677f66616eb125f805f85182ecc50f3c10

    Download Submit
  • memory/1244-135-0x0000000000000000-mapping.dmp
    Download
  • memory/1336-138-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1336-137-0x0000000000000000-mapping.dmp
    Download
  • memory/1336-140-0x0000000006110000-0x0000000006176000-memory.dmp
    Filesize

    408KB

    Download
  • memory/2576-130-0x0000000000010000-0x0000000000082000-memory.dmp
    Filesize

    456KB

    Download
  • memory/2576-131-0x0000000005020000-0x00000000055C4000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/2576-132-0x0000000004D10000-0x0000000004DA2000-memory.dmp
    Filesize

    584KB

    Download
  • memory/2576-133-0x0000000004CB0000-0x0000000004CBA000-memory.dmp
    Filesize

    40KB

    Download
  • memory/2576-134-0x00000000084E0000-0x000000000857C000-memory.dmp
    Filesize

    624KB

    Download