Overview

overview

8

Static

static

uncategori...ir.exe

windows7_x64

8

uncategori...ir.exe

windows10_x64

8

Analysis

  • max time kernel
    152s
  • max time network
    52s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    19-07-2020 19:26

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General

  • Target

    uncategorized_1.2.4.0.vir.exe

  • Size

    677KB

  • MD5

    8773b8aecd2979784c4b93ee890bd11d

  • SHA1

    739bee3b3bbbf920f1483875ca880c8e49326448

  • SHA256

    6c759b96dca08330cce6b7787e69b286d3b1a22a618f81409fd674ef720eb6dd

  • SHA512

    2feb6cd4e6c0b9cc98580eb5fade79386b076fb3a62220dc64f212b0fadf8c6d9852d10053510c48e3b5d8b26d380b50bca921d559deb4b08ca2d1007525e84c

Score
8/10
persistence

Malware Config

Signatures

  • Suspicious behavior: MapViewOfSection 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 282 IoCs
  • Deletes itself 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • Executes dropped EXE 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\uncategorized_1.2.4.0.vir.exe
    "C:\Users\Admin\AppData\Local\Temp\uncategorized_1.2.4.0.vir.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:804
    • C:\Users\Admin\AppData\Roaming\Okvi\ymuv.exe
      "C:\Users\Admin\AppData\Roaming\Okvi\ymuv.exe" -r
      2⤵
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      • Executes dropped EXE
      PID:1156
      • C:\Windows\SysWOW64\explorer.exe
        "C:\Windows\SysWOW64\explorer.exe"
        3⤵
        • Suspicious behavior: MapViewOfSection
        • Suspicious behavior: EnumeratesProcesses
        • Adds Run key to start application
        PID:1032
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\UNCATE~1.EXE >> NUL if exist C:\Users\Admin\AppData\Local\Temp\UNCATE~1.EXE goto repeat
      2⤵
      • Deletes itself
      PID:1516

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Okvi\ymuv.exe
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  • C:\Users\Admin\AppData\Roaming\Okvi\ymuv.exe
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  • \Users\Admin\AppData\Roaming\Okvi\ymuv.exe
    Download Submit
  • memory/804-0-0x00000000021C0000-0x0000000002361000-memory.dmp
    Filesize

    1.6MB

    Download
  • memory/1032-6-0x0000000000000000-mapping.dmp
    Download
  • memory/1032-7-0x0000000000070000-0x00000000002F1000-memory.dmp
    Filesize

    2.5MB

    Download
  • memory/1156-2-0x0000000000000000-mapping.dmp
    Download
  • memory/1156-4-0x00000000021C0000-0x0000000002361000-memory.dmp
    Filesize

    1.6MB

    Download
  • memory/1516-8-0x0000000000000000-mapping.dmp
    Download