Overview

overview

10

Static

static

Invoices F...r.xlsx

windows7_x64

10

Invoices F...r.xlsx

windows10-2004_x64

4

Analysis

  • max time kernel
    177s
  • max time network
    207s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    08-02-2022 08:03

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Report Analysis Logs

General

  • Target

    Invoices From Last Year.xlsx

  • Size

    187KB

  • MD5

    9f024bcd343054384c4309d02eb8aa11

  • SHA1

    446a3adcf4344d586b8548d36078196609e0c0b4

  • SHA256

    df737ad5d92f25da55a1bc1ec33290e0d99f958bb40cdf45788adab8fe2a3088

  • SHA512

    5dd0be5c118717be6b46d6304c36eed576e21b4bd39a778832850570b675823baaa1dcde2ec95755802293eb0f2fdac14e31f0006038136613428f3f38fd6a2f

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
  • Modifies data under HKEY_USERS 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 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\Invoices From Last Year.xlsx"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:4836
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k netsvcs -p -s BITS
    1⤵
    • Modifies data under HKEY_USERS
    PID:3840
  • 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:1604
  • 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:4968

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/1604-357-0x0000021A42670000-0x0000021A42674000-memory.dmp
    Filesize

    16KB

    Download
  • memory/3840-140-0x00000220615A0000-0x00000220615B0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/3840-141-0x0000022062030000-0x0000022062040000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4836-136-0x00007FFB4AC90000-0x00007FFB4AE85000-memory.dmp
    Filesize

    2.0MB

    Download
  • memory/4836-134-0x00007FFB0AD10000-0x00007FFB0AD20000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4836-135-0x00007FFB4AC90000-0x00007FFB4AE85000-memory.dmp
    Filesize

    2.0MB

    Download
  • memory/4836-130-0x00007FFB0AD10000-0x00007FFB0AD20000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4836-137-0x00007FFB4AC90000-0x00007FFB4AE85000-memory.dmp
    Filesize

    2.0MB

    Download
  • memory/4836-138-0x00007FFB08950000-0x00007FFB08960000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4836-139-0x00007FFB08950000-0x00007FFB08960000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4836-133-0x00007FFB0AD10000-0x00007FFB0AD20000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4836-132-0x00007FFB0AD10000-0x00007FFB0AD20000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4836-131-0x00007FFB0AD10000-0x00007FFB0AD20000-memory.dmp
    Filesize

    64KB

    Download