Overview

overview

10

Static

static

9

Request fo...on.exe

windows7_x64

10

Request fo...on.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    152s
  • max time network
    171s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 12:05

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General

  • Target

    Request for Quotation.exe

  • Size

    522KB

  • MD5

    90868ea38ee67574c75f0b44bc23f240

  • SHA1

    6d59b6b66e6a57cbfd4bb8211c8a988d1ab68c7f

  • SHA256

    8c2e223633dad17b0830a0efc0a1a3edfd835e176c5a502d36bb0021dfdbf2dc

  • SHA512

    718380e06d37cfbde6e1dde2ef0c7f5e1846c34baba1234be2cf11717d7b0e55b8ea3405a49eff43fd5728ada9468d54f10f5eb9dcc8458b2038ae4931c694d9

Score
10/10
agentteslacollectionkeyloggerspywarestealertrojan

Malware Config

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    admin@slboercleaning.com
  • Password:
    WS!jmys8

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    admin@slboercleaning.com
  • Password:
    WS!jmys8

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 1 IoCs
  • CoreCCC Packer 1 IoCs

    Detects CoreCCC packer used to load .NET malware.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe
    "C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3856
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UvAFCP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBB65.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2876
    • C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4520

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

2
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

2
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\Request for Quotation.exe.log
    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\tmpBB65.tmp
    Filesize

    1KB

    MD5

    7520185673a829244969156c8735f526

    SHA1

    6a7ee81d60ace42b79567d302f04472d41a50ee8

    SHA256

    a007ae8ecacc7eba847f2e88d9e162c0a065b0480ed503e3366683d1545f2eb9

    SHA512

    ca694405344bbccc9f2cb239dcfb54b5ab152c49b6df607bc93cd03acfffc0ce0d481c685dde626fded0be5d3935fbc2c624b089648fd2e182122baab7ef636d

    Download Submit
  • memory/2876-135-0x0000000000000000-mapping.dmp
    Download
  • memory/3856-130-0x00000000003B0000-0x0000000000438000-memory.dmp
    Filesize

    544KB

    Download
  • memory/3856-131-0x0000000005390000-0x0000000005934000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/3856-132-0x0000000004E80000-0x0000000004F12000-memory.dmp
    Filesize

    584KB

    Download
  • memory/3856-133-0x0000000004DE0000-0x0000000004DEA000-memory.dmp
    Filesize

    40KB

    Download
  • memory/3856-134-0x0000000007370000-0x000000000740C000-memory.dmp
    Filesize

    624KB

    Download
  • memory/4520-137-0x0000000000000000-mapping.dmp
    Download
  • memory/4520-138-0x0000000000400000-0x0000000000450000-memory.dmp
    Filesize

    320KB

    Download
  • memory/4520-140-0x0000000005D70000-0x0000000005DD6000-memory.dmp
    Filesize

    408KB

    Download
  • memory/4520-141-0x0000000006900000-0x0000000006950000-memory.dmp
    Filesize

    320KB

    Download