Overview

overview

10

Static

static

c85493fbd8...2d.exe

windows7_x64

10

c85493fbd8...2d.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    31-07-2020 08:32

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General

  • Target

    c85493fbd869baf0b92c89a09604562d.exe

  • Size

    710KB

  • MD5

    c85493fbd869baf0b92c89a09604562d

  • SHA1

    c3412e74e5a797d3d087d05fcf7e03c03e960e1a

  • SHA256

    3a8a04925d66b89b7cdb459aa6fc33e5132c447efcc541ab86e17b74f64a8287

  • SHA512

    50626f4376d080c0623a31c7d6a6e567b76afb512415709fda66ea383761ed576245776deb4930b715e74a006492767d26b90c0d40cffd19d55aecbd04aaac82

Score
10/10
upxevasiontrojankeyloggerstealerspywarenanocore

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

ndlovusamkello.hopto.org:3940

185.140.53.132:3940
Mutex

c036ee8d-7b1c-4a45-b399-b74d5de4daa9

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    185.140.53.132

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-05-03T17:26:20.781540536Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    3940

  • default_group

    Default

  • enable_debug_mode

    true

  • gc_threshold

    1.048576e+07

  • keep_alive_timeout

    30000

  • keyboard_logging

    false

  • lan_timeout

    2500

  • max_packet_size

    1.048576e+07

  • mutex

    c036ee8d-7b1c-4a45-b399-b74d5de4daa9

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    ndlovusamkello.hopto.org

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    true

  • set_critical_process

    true

  • timeout_interval

    5000

  • use_custom_dns_server

    false

  • version

    1.2.2.0

  • wan_timeout

    8000

Signatures

  • Executes dropped EXE 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • NTFS ADS 1 IoCs
  • Drops startup file 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Suspicious behavior: EnumeratesProcesses 2691 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • NanoCore

    NanoCore is a remote access tool (RAT) with a variety of capabilities.

    keyloggertrojanstealerspywarenanocore

Processes

  • C:\Users\Admin\AppData\Local\Temp\c85493fbd869baf0b92c89a09604562d.exe
    "C:\Users\Admin\AppData\Local\Temp\c85493fbd869baf0b92c89a09604562d.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3980
    • C:\Windows\SysWOW64\notepad.exe
      "C:\Windows\system32\notepad.exe"
      2⤵
      • NTFS ADS
      • Drops startup file
      • Suspicious use of WriteProcessMemory
      PID:3628
      • C:\Users\Admin\AppData\Roaming\appdata\hdjfksfj.exe
        "C:\Users\Admin\AppData\Roaming\appdata\hdjfksfj.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of SetThreadContext
        PID:4032
        • C:\Users\Admin\AppData\Roaming\appdata\hdjfksfj.exe
          "C:\Users\Admin\AppData\Roaming\appdata\hdjfksfj.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Checks whether UAC is enabled
          • Suspicious behavior: GetForegroundWindowSpam
          PID:3096
        • C:\Users\Admin\AppData\Roaming\appdata\hdjfksfj.exe
          "C:\Users\Admin\AppData\Roaming\appdata\hdjfksfj.exe" 2 3096 85890
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:548

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

  • C:\Users\Admin\AppData\Roaming\appdata\hdjfksfj.exe
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  • C:\Users\Admin\AppData\Roaming\appdata\hdjfksfj.exe
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  • C:\Users\Admin\AppData\Roaming\appdata\hdjfksfj.exe
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  • C:\Users\Admin\AppData\Roaming\appdata\hdjfksfj.exe
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  • memory/548-7-0x0000000000000000-mapping.dmp
    Download
  • memory/3096-4-0x0000000000400000-0x000000000047F000-memory.dmp
    Filesize

    508KB

    Download
  • memory/3096-5-0x000000000047D4C0-mapping.dmp
    Download
  • memory/3096-8-0x0000000000400000-0x000000000047F000-memory.dmp
    Filesize

    508KB

    Download
  • memory/3096-9-0x0000000000400000-0x000000000047F000-memory.dmp
    Filesize

    508KB

    Download
  • memory/3096-11-0x0000000002120000-0x0000000002158000-memory.dmp
    Filesize

    224KB

    Download
  • memory/3096-12-0x0000000002302000-0x0000000002303000-memory.dmp
    Filesize

    4KB

    Download
  • memory/3628-0-0x0000000000000000-mapping.dmp
    Download
  • memory/4032-1-0x0000000000000000-mapping.dmp
    Download