Overview

overview

10

Static

static

RFQ-August.exe

windows7_x64

10

RFQ-August.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    107s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 12:34

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General

  • Target

    RFQ-August.exe

  • Size

    786KB

  • MD5

    97e962e4eba373df313385f15cce7211

  • SHA1

    e5c6bc69385f09ee186e0fbd78a5a84a91974e14

  • SHA256

    230e96f9118ac3ca1c34972b1d270cf12b69755bef0f049db0197552a5c61cde

  • SHA512

    2d676f5bb2863d7e072aeaf47d096658133b8b864ba8c2aea43356146c36af42bbde403aa1c0c0020a342acc35af3810715a2032294821c07f92a6401f1ac369

Score
10/10
agentteslacollectionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.ola4tai.com
  • Port:
    587
  • Username:
    log@ola4tai.com
  • Password:
    ZKOfovXE4

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.

  • 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
  • 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RFQ-August.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ-August.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3148
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mPVacTIxRkEDqm" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA19F.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2976
    • C:\Users\Admin\AppData\Local\Temp\RFQ-August.exe
      "C:\Users\Admin\AppData\Local\Temp\RFQ-August.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:212

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

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\tmpA19F.tmp
    Filesize

    1KB

    MD5

    777689ed2e6d2772ab5eee1d93603b8a

    SHA1

    9021a354cce5b481ee13ae62e7ea86f79055fb78

    SHA256

    4c76b1c3f68cac92f33c46b15941f61878bf0cb21711ff3b5da1b42a9dd8da54

    SHA512

    3b47b51b713069bf710d08273712f762fa579732d9144ee3103962f1a18c7e34d42ecb20e53af03b0d36de85878aee4d3c565e67cf52b536d3b3093a7eed7387

    Download Submit
  • memory/212-138-0x0000000000000000-mapping.dmp
    Download
  • memory/212-139-0x0000000000400000-0x000000000045A000-memory.dmp
    Filesize

    360KB

    Download
  • memory/212-140-0x0000000005DE0000-0x0000000005E46000-memory.dmp
    Filesize

    408KB

    Download
  • memory/212-141-0x0000000006400000-0x0000000006450000-memory.dmp
    Filesize

    320KB

    Download
  • memory/2976-136-0x0000000000000000-mapping.dmp
    Download
  • memory/3148-130-0x0000000000310000-0x00000000003DA000-memory.dmp
    Filesize

    808KB

    Download
  • memory/3148-131-0x0000000004D10000-0x0000000004DAC000-memory.dmp
    Filesize

    624KB

    Download
  • memory/3148-132-0x00000000053C0000-0x0000000005964000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/3148-133-0x0000000004EB0000-0x0000000004F42000-memory.dmp
    Filesize

    584KB

    Download
  • memory/3148-134-0x0000000004E20000-0x0000000004E2A000-memory.dmp
    Filesize

    40KB

    Download
  • memory/3148-135-0x0000000005040000-0x0000000005096000-memory.dmp
    Filesize

    344KB

    Download