Overview

overview

10

Static

static

Payment Advice.xlsx

windows7_x64

10

Payment Advice.xlsx

windows10-2004_x64

4

Analysis

  • max time kernel
    150s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    09-02-2022 08:25

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General

  • Target

    Payment Advice.xlsx

  • Size

    187KB

  • MD5

    dc01121346f71cb161d7f643235effd1

  • SHA1

    4d0e5c5a56a86d049e815e1c8939066aea4fc592

  • SHA256

    17f71f787c12cec37909e4355791ab91c28710248769c1b39a1ac819c04c3d8a

  • SHA512

    fdcdfa5c44cfb776b2ffa11d200c14fccc3b8d25611bc93e40e87583ce953f3e156fbfcb2dcdb0447e64a3d43a1573023199b65af5eb82d48bc0998115b30b4b

Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 8 IoCs
  • 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 AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 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\Payment Advice.xlsx"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:3036
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:3028
  • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
    C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:5004

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/3028-137-0x000001A947330000-0x000001A947340000-memory.dmp
    Filesize

    64KB

    Download
  • memory/3028-139-0x000001A94A0A0000-0x000001A94A0A4000-memory.dmp
    Filesize

    16KB

    Download
  • memory/3028-138-0x000001A947390000-0x000001A9473A0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/3036-133-0x00007FFCBD5F0000-0x00007FFCBD600000-memory.dmp
    Filesize

    64KB

    Download
  • memory/3036-134-0x00007FFCBD5F0000-0x00007FFCBD600000-memory.dmp
    Filesize

    64KB

    Download
  • memory/3036-135-0x00007FFCFD60D000-0x00007FFCFD60E000-memory.dmp
    Filesize

    4KB

    Download
  • memory/3036-136-0x00007FFCFD610000-0x00007FFCFD611000-memory.dmp
    Filesize

    4KB

    Download
  • memory/3036-130-0x00007FFCBD5F0000-0x00007FFCBD600000-memory.dmp
    Filesize

    64KB

    Download
  • memory/3036-131-0x00007FFCBD5F0000-0x00007FFCBD600000-memory.dmp
    Filesize

    64KB

    Download
  • memory/3036-132-0x00007FFCBD5F0000-0x00007FFCBD600000-memory.dmp
    Filesize

    64KB

    Download
  • memory/3036-140-0x00007FFCBD5F0000-0x00007FFCBD600000-memory.dmp
    Filesize

    64KB

    Download
  • memory/3036-141-0x00007FFCBD5F0000-0x00007FFCBD600000-memory.dmp
    Filesize

    64KB

    Download
  • memory/3036-142-0x00007FFCBD5F0000-0x00007FFCBD600000-memory.dmp
    Filesize

    64KB

    Download
  • memory/3036-143-0x00007FFCBD5F0000-0x00007FFCBD600000-memory.dmp
    Filesize

    64KB

    Download