Overview

overview

10

Static

static

1

0900900.exe

windows7_x64

10

0900900.exe

windows10_x64

7

Analysis

  • max time kernel
    106s
  • max time network
    131s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    15-04-2021 05:48

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General

  • Target

    0900900.exe

  • Size

    189KB

  • MD5

    82720319030a519bddb77537babc8393

  • SHA1

    e42d6c950690189fb24235336f31d7cbcfc65408

  • SHA256

    1048c4ebb7be3641037e402bfcc4e8aa667fc49dc82b9690b96b5ea69dd11e50

  • SHA512

    bbb334f7bd378e18b6091b7c17899792c10ff969eab0eddde190b3c02e72fa89b17ab81d020abee6ffbfcca9eedcd1773e776e2c08f9744aad65139921326793

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0900900.exe
    "C:\Users\Admin\AppData\Local\Temp\0900900.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:808
    • C:\Users\Admin\AppData\Local\Temp\0900900.exe
      "C:\Users\Admin\AppData\Local\Temp\0900900.exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:68

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\nsi73E0.tmp\an1r6lh9q.dll
    MD5

    875e8216f1a1730eddd41d96d7552c9e

    SHA1

    f696d42e8f5a06c8ab6faa4fdabd9941ce90f14c

    SHA256

    1cd1be5bc0ff2da276b8da77dccdf07308771ba66cda97b05d062d8da0e72cf1

    SHA512

    afa9a2a4b3c0951f02ce14ac93821e642e0e243f64a59d82ffbabe758a1974a9b901925f2d9db65a0fe132eef2e5974cf21eac7da17a0f1261c00857bc8800ec

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  • memory/68-117-0x00000000004172EC-mapping.dmp
    Download
  • memory/68-118-0x0000000000400000-0x0000000000419000-memory.dmp
    Filesize

    100KB

    Download
  • memory/808-115-0x0000000002AF0000-0x0000000002AF1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/808-116-0x0000000002AF1000-0x0000000002AF6000-memory.dmp
    Filesize

    20KB

    Download