Analysis

  • max time kernel
    146s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    01/08/2024, 16:14

General

  • Target

    IMG_20001890221-081110001.exe

  • Size

    1.4MB

  • MD5

    e8ee6f64cf8ded6b125060bd6078527c

  • SHA1

    4beb8553da7909cb14551f473ec03c7a7decd9fb

  • SHA256

    2980f02c35b2f62770c23d61d0200b3fcd788de0335fdf2e8e186c90d9b9447b

  • SHA512

    1ec04f277877246a6df0ef7a46fb24a7982dd9c69d6a8225d93ced3d07a7b2a79e087f34ea2390fd9e2b61d852488836d49e823b7c14fc1cb7d23f67b74b67bb

  • SSDEEP

    12288:620AgxKZ7r5v+PMpJxBBkiMUtAYacSIUU1xbieipF0gZHaEIBdLBYT37kj3Cub2o:6fIZ7QPMpB1tactDeGXt/ZLi3/SUELR

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

moran101.duckdns.org:8050

moran007.duckdns.org:8050

Mutex

b09e6ab8-a188-4d34-ae53-20a1c956c49a

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    moran007.duckdns.org

  • backup_dns_server

    moran007.duckdns.org

  • buffer_size

    65535

  • build_time

    2019-02-18T13:25:55.451902736Z

  • bypass_user_account_control

    false

  • bypass_user_account_control_data

    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

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    8050

  • default_group

    OPTIMUS~PRIME

  • 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

    b09e6ab8-a188-4d34-ae53-20a1c956c49a

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    moran101.duckdns.org

  • primary_dns_server

    moran101.duckdns.org

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    false

  • set_critical_process

    true

  • timeout_interval

    5000

  • use_custom_dns_server

    false

  • version

    1.2.2.0

  • wan_timeout

    8000

Signatures

  • NanoCore

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

  • 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
  • System Location Discovery: System Language Discovery 1 TTPs 4 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 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\IMG_20001890221-081110001.exe
    "C:\Users\Admin\AppData\Local\Temp\IMG_20001890221-081110001.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2968
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.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:2816
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "UDP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA63E.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2996
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "UDP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA6EA.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1708

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpA63E.tmp

    Filesize

    1KB

    MD5

    48ef7fa9033389ad7929d7a6b9d10298

    SHA1

    9db6cb7325c8bdf66a15f7b5f34703709a45aeb6

    SHA256

    0c1b5f67eeb276d1d4205b138ce32bc6149924e02281a2db8e4623a700e88f15

    SHA512

    ac8bd104ecbacc9bccce9e087f67e5b18072d59367ccd31d4e66132b6baaea520cba5b9b59464483d86abf74826b382c402f12e9a586c99bda8c78a0de33944e

  • C:\Users\Admin\AppData\Local\Temp\tmpA6EA.tmp

    Filesize

    1KB

    MD5

    0a24db62cb5b84309c4803346caaa25d

    SHA1

    67660778f61bb44168c33ed3fe56ed86cf9583e8

    SHA256

    38d38647af394a04ee6add9f05c43244f04e64a6b96257f4b241a5038efa82df

    SHA512

    d25d9df063f44595d5e0bf890755bd387655131ff369eeedf3d11ffcc6202ca4455bbb33a8a926dd06839cbd1ddec3d06809b3c66a82c6518aa14beaa469a548

  • memory/2816-90-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2816-100-0x0000000000580000-0x000000000058A000-memory.dmp

    Filesize

    40KB

  • memory/2816-99-0x0000000000560000-0x000000000057E000-memory.dmp

    Filesize

    120KB

  • memory/2816-98-0x0000000000540000-0x000000000054A000-memory.dmp

    Filesize

    40KB

  • memory/2968-43-0x0000000000820000-0x0000000000841000-memory.dmp

    Filesize

    132KB

  • memory/2968-31-0x0000000000820000-0x0000000000841000-memory.dmp

    Filesize

    132KB

  • memory/2968-33-0x0000000000820000-0x0000000000841000-memory.dmp

    Filesize

    132KB

  • memory/2968-69-0x0000000000820000-0x0000000000841000-memory.dmp

    Filesize

    132KB

  • memory/2968-67-0x0000000000820000-0x0000000000841000-memory.dmp

    Filesize

    132KB

  • memory/2968-65-0x0000000000820000-0x0000000000841000-memory.dmp

    Filesize

    132KB

  • memory/2968-63-0x0000000000820000-0x0000000000841000-memory.dmp

    Filesize

    132KB

  • memory/2968-61-0x0000000000820000-0x0000000000841000-memory.dmp

    Filesize

    132KB

  • memory/2968-59-0x0000000000820000-0x0000000000841000-memory.dmp

    Filesize

    132KB

  • memory/2968-57-0x0000000000820000-0x0000000000841000-memory.dmp

    Filesize

    132KB

  • memory/2968-55-0x0000000000820000-0x0000000000841000-memory.dmp

    Filesize

    132KB

  • memory/2968-53-0x0000000000820000-0x0000000000841000-memory.dmp

    Filesize

    132KB

  • memory/2968-51-0x0000000000820000-0x0000000000841000-memory.dmp

    Filesize

    132KB

  • memory/2968-49-0x0000000000820000-0x0000000000841000-memory.dmp

    Filesize

    132KB

  • memory/2968-47-0x0000000000820000-0x0000000000841000-memory.dmp

    Filesize

    132KB

  • memory/2968-45-0x0000000000820000-0x0000000000841000-memory.dmp

    Filesize

    132KB

  • memory/2968-0-0x000000007455E000-0x000000007455F000-memory.dmp

    Filesize

    4KB

  • memory/2968-41-0x0000000000820000-0x0000000000841000-memory.dmp

    Filesize

    132KB

  • memory/2968-39-0x0000000000820000-0x0000000000841000-memory.dmp

    Filesize

    132KB

  • memory/2968-37-0x0000000000820000-0x0000000000841000-memory.dmp

    Filesize

    132KB

  • memory/2968-35-0x0000000000820000-0x0000000000841000-memory.dmp

    Filesize

    132KB

  • memory/2968-21-0x0000000000820000-0x0000000000841000-memory.dmp

    Filesize

    132KB

  • memory/2968-29-0x0000000000820000-0x0000000000841000-memory.dmp

    Filesize

    132KB

  • memory/2968-27-0x0000000000820000-0x0000000000841000-memory.dmp

    Filesize

    132KB

  • memory/2968-25-0x0000000000820000-0x0000000000841000-memory.dmp

    Filesize

    132KB

  • memory/2968-23-0x0000000000820000-0x0000000000841000-memory.dmp

    Filesize

    132KB

  • memory/2968-19-0x0000000000820000-0x0000000000841000-memory.dmp

    Filesize

    132KB

  • memory/2968-17-0x0000000000820000-0x0000000000841000-memory.dmp

    Filesize

    132KB

  • memory/2968-15-0x0000000000820000-0x0000000000841000-memory.dmp

    Filesize

    132KB

  • memory/2968-13-0x0000000000820000-0x0000000000841000-memory.dmp

    Filesize

    132KB

  • memory/2968-9-0x0000000000820000-0x0000000000841000-memory.dmp

    Filesize

    132KB

  • memory/2968-7-0x0000000000820000-0x0000000000841000-memory.dmp

    Filesize

    132KB

  • memory/2968-72-0x0000000000950000-0x0000000000988000-memory.dmp

    Filesize

    224KB

  • memory/2968-73-0x0000000074550000-0x0000000074C3E000-memory.dmp

    Filesize

    6.9MB

  • memory/2968-89-0x0000000074550000-0x0000000074C3E000-memory.dmp

    Filesize

    6.9MB

  • memory/2968-11-0x0000000000820000-0x0000000000841000-memory.dmp

    Filesize

    132KB

  • memory/2968-6-0x0000000000820000-0x0000000000841000-memory.dmp

    Filesize

    132KB

  • memory/2968-4-0x0000000000820000-0x0000000000848000-memory.dmp

    Filesize

    160KB

  • memory/2968-3-0x0000000000770000-0x00000000007DC000-memory.dmp

    Filesize

    432KB

  • memory/2968-2-0x0000000074550000-0x0000000074C3E000-memory.dmp

    Filesize

    6.9MB

  • memory/2968-1-0x0000000000080000-0x00000000001F0000-memory.dmp

    Filesize

    1.4MB