Overview

overview

10

Static

static

REMITTANCE...f..exe

windows7_x64

10

REMITTANCE...f..exe

windows10-2004_x64

10

Analysis

  • max time kernel
    142s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 00:14

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General

  • Target

    REMITTANCE ADVICE IF01112000212823419.pdf..exe

  • Size

    790KB

  • MD5

    8e2843ecd350a81987669f750bbfe5ff

  • SHA1

    8a2b87b5b5301ff5846de2afcd44ac968c7799e6

  • SHA256

    86e731609c61fdf28983435240b0e28b9548ec53863c2db87036f0f79313c33b

  • SHA512

    0d33b1ea56dec2c29e8875904f75d0dcae25bf26bce9d9e34b528f38b4a7fa458d7dde0fca5d4031c739e12a8ea6293be5d2d19d5e529c93e8460fe06a5617ea

Score
10/10
agentteslacollectionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.stankovic.hr
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    mp58zg

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 6 IoCs
  • Drops file in Drivers directory 1 IoCs
  • 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
  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\REMITTANCE ADVICE IF01112000212823419.pdf..exe
    "C:\Users\Admin\AppData\Local\Temp\REMITTANCE ADVICE IF01112000212823419.pdf..exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:324
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\&startupname&" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC1BA.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1996
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
      • Drops file in Drivers directory
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:1952
      • C:\Windows\SysWOW64\REG.exe
        REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System / v DisableTaskMgr / t REG_DWORD / d 1 / f
        3⤵
        • Modifies registry key
        PID:1880

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

2
T1112

Credential Access

Discovery

System Information Discovery

1
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\tmpC1BA.tmp
    Filesize

    1KB

    MD5

    ab15c7fe3dc23f51a8ed4545eb54a9cb

    SHA1

    206a5e711a5b8819deae10c568fa760a23d9308c

    SHA256

    2889f7b15e75b474bfa37c720f216861f138e8e39e1d2f807ce751a21086674b

    SHA512

    29b8f09dfa625fad63d6cae0fd9d9f9ea19a4b5a001138c5afb644c0d37f1cc2e7bf51a4242af433568b22b19613b1570a234474663cc659dd4ad54c7407a114

    Download Submit
  • memory/324-54-0x00000000001F0000-0x00000000002BC000-memory.dmp
    Filesize

    816KB

    Download
  • memory/324-55-0x0000000000460000-0x0000000000468000-memory.dmp
    Filesize

    32KB

    Download
  • memory/324-56-0x0000000004CB0000-0x0000000004D1A000-memory.dmp
    Filesize

    424KB

    Download
  • memory/324-57-0x0000000002000000-0x0000000002056000-memory.dmp
    Filesize

    344KB

    Download
  • memory/1880-72-0x0000000000000000-mapping.dmp
    Download
  • memory/1952-68-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1952-61-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1952-63-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1952-64-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1952-65-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1952-66-0x000000000044729E-mapping.dmp
    Download
  • memory/1952-60-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1952-70-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1952-71-0x0000000075E51000-0x0000000075E53000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1996-58-0x0000000000000000-mapping.dmp
    Download