Overview

overview

10

Static

static

8

Informatio...1.xlsb

windows7_x64

10

Informatio...1.xlsb

windows10_x64

10

Analysis

  • max time kernel
    140s
  • max time network
    133s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    15-03-2021 18:29

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General

  • Target

    Information_146581.xlsb

  • Size

    233KB

  • MD5

    ef04376c4762e75f60da9d6c9ae38be1

  • SHA1

    d9b0b7ed10a9971156b0e57b2a5cee1a31725f91

  • SHA256

    fecc5522687356991cdaafe2eaacb9391eb44af7aa34eb2f6459e0db118a323d

  • SHA512

    62c1a74e230ad5184a19fba904fbb59942b08f1198dba73721e9460af7917ed82af3e853edfb6853b2de4849065e01cb2a2fa0aaace4e85605b3efde2bf71aa9

Score
10/10

Malware Config

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 12 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\Information_146581.xlsb"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1048
    • C:\Windows\System32\rundll32.exe
      "C:\Windows\System32\rundll32.exe" C:\ProgramData\flotsh\h4gf.dll,DllRegisterServer1
      2⤵
      • Process spawned unexpected child process
      PID:2328

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/1048-2-0x00007FF920240000-0x00007FF920250000-memory.dmp
    Filesize

    64KB

    Download
  • memory/1048-3-0x00007FF920240000-0x00007FF920250000-memory.dmp
    Filesize

    64KB

    Download
  • memory/1048-4-0x00007FF920240000-0x00007FF920250000-memory.dmp
    Filesize

    64KB

    Download
  • memory/1048-5-0x00007FF920240000-0x00007FF920250000-memory.dmp
    Filesize

    64KB

    Download
  • memory/1048-6-0x00007FF943B60000-0x00007FF944197000-memory.dmp
    Filesize

    6.2MB

    Download
  • memory/2328-7-0x0000000000000000-mapping.dmp
    Download