Overview

overview

10

Static

static

Due Invoices.exe

windows7_x64

10

Due Invoices.exe

windows10_x64

5

Analysis

  • max time kernel
    121s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    30-04-2021 13:10

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General

  • Target

    Due Invoices.exe

  • Size

    410KB

  • MD5

    98a8aeb1ab92c13aa646d3ca22d91286

  • SHA1

    d9d1985d9d6dc8e1af4894ff2716e758fe5d5f29

  • SHA256

    96e975e9e509e40c6b069f4fe4ef338ddaa76472a30e3115374d5ae3b25c7616

  • SHA512

    0a1565ca50782184fb4b106b9c119881260618969b5942bb33eef1dbb18a6960866c756720768af5ef2cf4c19f02597866ce17f4d93d58344130f405877c4934

Score
10/10
remcosrat

Malware Config

Signatures

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

    ratremcos
  • 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Due Invoices.exe
    "C:\Users\Admin\AppData\Local\Temp\Due Invoices.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1748
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zzCorc" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBAA8.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1552
    • C:\Users\Admin\AppData\Local\Temp\Due Invoices.exe
      "C:\Users\Admin\AppData\Local\Temp\Due Invoices.exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:268

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

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpBAA8.tmp
    MD5

    19b0d966eac748fc131418a40f2c5c3e

    SHA1

    622f6660860d5d985fecc76a6cacae3b0cedb3d6

    SHA256

    b56a6886a0b200af4dd07d83a1c65aea7c80e021a960974a3d623674802eb3da

    SHA512

    619f2889f140e640f5c7ddd8500edae399d04c307c71b966e91eaa7e40c9f2aea208997a42ece631133f7427ee866867840ac7955875f811cd007bd627ba3b0a

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  • memory/268-65-0x0000000000400000-0x0000000000419000-memory.dmp
    Filesize

    100KB

    Download
  • memory/268-66-0x00000000004172EC-mapping.dmp
    Download
  • memory/268-68-0x0000000000400000-0x0000000000419000-memory.dmp
    Filesize

    100KB

    Download
  • memory/1552-63-0x0000000000000000-mapping.dmp
    Download
  • memory/1748-59-0x00000000757E1000-0x00000000757E3000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1748-61-0x0000000000241000-0x0000000000242000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1748-60-0x0000000000240000-0x0000000000241000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1748-62-0x000000007EF50000-0x000000007EF51000-memory.dmp
    Filesize

    4KB

    Download