Analysis

  • max time kernel
    136s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07/03/2025, 07:04

General

  • Target

    c3e019a0502617286408630187c0e19eb146ee3d70e0b9e0390d9e3763e041bc.exe

  • Size

    726KB

  • MD5

    86073e6097e1ff9e879b0eb493f173f2

  • SHA1

    f06a1f7c37604244a80c61a2a22d1686f05626d9

  • SHA256

    c3e019a0502617286408630187c0e19eb146ee3d70e0b9e0390d9e3763e041bc

  • SHA512

    f3ef06f22a8c0d0894e66a25a1f6eca5d8243103b914001a430b3388d34f8c395c320c2e5827ed56c881f52added7461979211c474ebc8444e03610249fe7725

  • SSDEEP

    12288:x/Sp50g7ZeK50g7M1ogf3OKoHdML29Tod5iJRZbvLgC5cJnY/XUr6xIgno8g50g7:Yp5F7AK5F7w/rL5iNbv7OsUr6xIgno5T

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

elroithegodofnsppd.duckdns.org:43366

elroithegodofnsppd.ddnsfree.com:43366

Mutex

4991469e-2d84-4048-8aed-20a53304961e

Attributes
  • activate_away_mode

    false

  • backup_connection_host

    elroithegodofnsppd.ddnsfree.com

  • backup_dns_server

  • buffer_size

    65538

  • build_time

    2024-12-06T15:16:37.862063536Z

  • bypass_user_account_control

    false

  • bypass_user_account_control_data

    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

  • clear_access_control

    false

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    43366

  • default_group

    EROI MY GOD

  • enable_debug_mode

    true

  • gc_threshold

    1.0485772e+07

  • keep_alive_timeout

    30000

  • keyboard_logging

    false

  • lan_timeout

    2500

  • max_packet_size

    1.0485772e+07

  • mutex

    4991469e-2d84-4048-8aed-20a53304961e

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    elroithegodofnsppd.duckdns.org

  • primary_dns_server

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    false

  • set_critical_process

    false

  • timeout_interval

    5000

  • use_custom_dns_server

    false

  • version

    1.2.2.0

  • wan_timeout

    8009

Signatures

  • NanoCore

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

  • Nanocore family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c3e019a0502617286408630187c0e19eb146ee3d70e0b9e0390d9e3763e041bc.exe
    "C:\Users\Admin\AppData\Local\Temp\c3e019a0502617286408630187c0e19eb146ee3d70e0b9e0390d9e3763e041bc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:768
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\c3e019a0502617286408630187c0e19eb146ee3d70e0b9e0390d9e3763e041bc.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1908
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\AOhdPA.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2880
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AOhdPA" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD069.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2096
    • C:\Users\Admin\AppData\Local\Temp\c3e019a0502617286408630187c0e19eb146ee3d70e0b9e0390d9e3763e041bc.exe
      "C:\Users\Admin\AppData\Local\Temp\c3e019a0502617286408630187c0e19eb146ee3d70e0b9e0390d9e3763e041bc.exe"
      2⤵
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2776
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "UDP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpD24D.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2360
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "UDP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpD28C.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1848

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpD069.tmp

    Filesize

    1KB

    MD5

    7b3f364126e074de95702c19be8d3e82

    SHA1

    f924898d8c7d6eeb3b8a5150621b2109452b5dda

    SHA256

    9a6acc39576ee701108cdf08c2b942df8d84e3ff5507c33700d1c943b8ecab2e

    SHA512

    ebeaad5d249437b107acd3b1eeb9b0a3e15eaad602ae60b039c2dfa622d193950f152351ecdcb5c7b59242d5739cd27f5726a5e847c0b1fa9413b4c0dc9c1c09

  • C:\Users\Admin\AppData\Local\Temp\tmpD24D.tmp

    Filesize

    1KB

    MD5

    55fab57a1aa10f6865526cebad392255

    SHA1

    1df24471ccd529b70a124c504b942fba05d523eb

    SHA256

    cf818137ca1dd73c94ec6f58b0c5427bc6f1d158fc9215c3c9fa79bfd786e115

    SHA512

    7c0cad0ef04c5e2e2e7a02728ce3060ef61aa6ed275dcebe3fcd881388f6c225caaf006dc023290fc55aaee056a2542afe378bf6f11c06a855eb9e9f19a750bd

  • C:\Users\Admin\AppData\Local\Temp\tmpD28C.tmp

    Filesize

    1KB

    MD5

    0a24db62cb5b84309c4803346caaa25d

    SHA1

    67660778f61bb44168c33ed3fe56ed86cf9583e8

    SHA256

    38d38647af394a04ee6add9f05c43244f04e64a6b96257f4b241a5038efa82df

    SHA512

    d25d9df063f44595d5e0bf890755bd387655131ff369eeedf3d11ffcc6202ca4455bbb33a8a926dd06839cbd1ddec3d06809b3c66a82c6518aa14beaa469a548

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    684f4b0dd05357e421391de5d8385588

    SHA1

    b01172d3e26e6a46fb183e10d4cfefa1d6a3c8c4

    SHA256

    b95965cd97d646026a177f1aaa6084bde465387fa67b11c81979bfd7917ac4a5

    SHA512

    4c7340df1539dbd04a7d8bbf381877434592b672b23c6c0d89e073ade0671dd2f579cf0e9e2a0269853403864b8cb951e7b5320dfda0c0345883f22c5e48db0a

  • memory/768-31-0x0000000074C10000-0x00000000752FE000-memory.dmp

    Filesize

    6.9MB

  • memory/768-1-0x00000000000B0000-0x000000000016C000-memory.dmp

    Filesize

    752KB

  • memory/768-2-0x0000000074C10000-0x00000000752FE000-memory.dmp

    Filesize

    6.9MB

  • memory/768-3-0x0000000001E90000-0x0000000001EA8000-memory.dmp

    Filesize

    96KB

  • memory/768-4-0x0000000074C1E000-0x0000000074C1F000-memory.dmp

    Filesize

    4KB

  • memory/768-5-0x0000000074C10000-0x00000000752FE000-memory.dmp

    Filesize

    6.9MB

  • memory/768-6-0x00000000056E0000-0x000000000575E000-memory.dmp

    Filesize

    504KB

  • memory/768-0-0x0000000074C1E000-0x0000000074C1F000-memory.dmp

    Filesize

    4KB

  • memory/2776-30-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2776-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2776-25-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2776-23-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2776-21-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2776-28-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2776-29-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2776-19-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2776-39-0x0000000000600000-0x000000000060A000-memory.dmp

    Filesize

    40KB

  • memory/2776-40-0x0000000000830000-0x000000000084E000-memory.dmp

    Filesize

    120KB

  • memory/2776-41-0x0000000000610000-0x000000000061A000-memory.dmp

    Filesize

    40KB