Overview

overview

7

Static

static

1

OfficeCons...in.exe

windows7_x64

7

OfficeCons...in.exe

windows10_x64

7

Analysis

  • max time kernel
    13s
  • max time network
    110s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    08-04-2021 07:53

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General

  • Target

    OfficeConsultPlugin.exe

  • Size

    1.4MB

  • MD5

    fba1fd894b9201a11e866ba58c80ae61

  • SHA1

    89236d9795f1e8db7d895d0e364dd4768ebc6410

  • SHA256

    904f69a4bed3844273cce1676e8920794815af4c1527e560bbc1bc44b5b8457a

  • SHA512

    0d37b91123abb1ded40ae7604980dffa675dcacc1bf772b06e36a2e4c72488558511dd3f8df0fc47d9a6cc870eaef4a9e54a55b20a4432b5802cdeeba327470a

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Enumerates connected drives 3 TTPs 49 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\OfficeConsultPlugin.exe
    "C:\Users\Admin\AppData\Local\Temp\OfficeConsultPlugin.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:696
    • C:\Users\Admin\AppData\Local\Temp\OfficeConsultPlugin.exe
      "C:\Users\Admin\AppData\Local\Temp\OfficeConsultPlugin.exe"
      2⤵
      • Enumerates connected drives
      PID:204

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\nsv6E70.tmp\System.dll
    MD5

    0063d48afe5a0cdc02833145667b6641

    SHA1

    e7eb614805d183ecb1127c62decb1a6be1b4f7a8

    SHA256

    ac9dfe3b35ea4b8932536ed7406c29a432976b685cc5322f94ef93df920fede7

    SHA512

    71cbbcaeb345e09306e368717ea0503fe8df485be2e95200febc61bcd8ba74fb4211cd263c232f148c0123f6c6f2e3fd4ea20bdecc4070f5208c35c6920240f0

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  • memory/204-115-0x0000000000488AD2-mapping.dmp
    Download
  • memory/204-116-0x0000000000400000-0x0000000000534000-memory.dmp
    Filesize

    1.2MB

    Download