Overview

overview

10

Static

static

8

operazione_1751.xlsb

windows7_x64

10

operazione_1751.xlsb

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    141s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    16-07-2021 14:39

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General

  • Target

    operazione_1751.xlsb

  • Size

    122KB

  • MD5

    f41e29e685872c54729e8d7596923455

  • SHA1

    0d71123ad3227651b93b7b3a5e55ae2395b24faa

  • SHA256

    b02d88044c50d694ea29d04d23729aeaf7d38ca8a4da0f502797068d3951d5d7

  • SHA512

    32dae638d7ae79cd2c0c6712e4342c0d4098d09bd38fedc190913b3aca1b7530fdf4b819590baeab7a0e7e66ce6de29b651803de8d04500d0ba3fd38aff85a2b

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://trimestre.bar/signin.jpg

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 14 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\operazione_1751.xlsb"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:632
    • C:\Windows\System32\rundll32.exe
      "C:\Windows\System32\rundll32.exe" C:\JpxywCm\gnRedtx\aETmHZU.dll,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:1020

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/632-114-0x00007FF6C1CE0000-0x00007FF6C5296000-memory.dmp
    Filesize

    53.7MB

    Download
  • memory/632-115-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp
    Filesize

    64KB

    Download
  • memory/632-116-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp
    Filesize

    64KB

    Download
  • memory/632-117-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp
    Filesize

    64KB

    Download
  • memory/632-118-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp
    Filesize

    64KB

    Download
  • memory/632-121-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp
    Filesize

    64KB

    Download
  • memory/632-122-0x00007FFAE52A0000-0x00007FFAE638E000-memory.dmp
    Filesize

    16.9MB

    Download
  • memory/632-123-0x00007FFAE33A0000-0x00007FFAE5295000-memory.dmp
    Filesize

    31.0MB

    Download
  • memory/1020-262-0x0000000000000000-mapping.dmp
    Download