Analysis

  • max time kernel
    92s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25-10-2022 10:50

General

  • Target

    1c0237daadbb4c94d600f13ad502bee5.exe

  • Size

    569KB

  • MD5

    1c0237daadbb4c94d600f13ad502bee5

  • SHA1

    0a19e65cb6e5cf585d5560205d2f34d5334707fa

  • SHA256

    88bb60f2ad6df7be2982178f12905a3f92cca1b79e26d5ab519d4ed9fa603dec

  • SHA512

    3a7806576b398e35da4fdaa78c1ddf1cf51f377ba77f8165df4182b428f909a7acb537712eff308aeefd7ab9ecdf6d186ed6188bde4dd25bb4b12c5ec72c1b82

  • SSDEEP

    12288:mvrh7hZKdhH97IOzfY7bXji+BhC3GmH/gN5h3g:m8d9973Yr9QH/

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

tzitziklishop.ddns.net:1665

Mutex

f6041bb2-7c7b-4774-acc8-84a131b635ab

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    tzitziklishop.ddns.net

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2022-07-22T04:21:36.365135136Z

  • bypass_user_account_control

    false

  • bypass_user_account_control_data

    PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTE2Ij8+DQo8VGFzayB2ZXJzaW9uPSIxLjIiIHhtbG5zPSJodHRwOi8vc2NoZW1hcy5taWNyb3NvZnQuY29tL3dpbmRvd3MvMjAwNC8wMi9taXQvdGFzayI+DQogIDxSZWdpc3RyYXRpb25JbmZvIC8+DQogIDxUcmlnZ2VycyAvPg0KICA8UHJpbmNpcGFscz4NCiAgICA8UHJpbmNpcGFsIGlkPSJBdXRob3IiPg0KICAgICAgPExvZ29uVHlwZT5JbnRlcmFjdGl2ZVRva2VuPC9Mb2dvblR5cGU+DQogICAgICA8UnVuTGV2ZWw+SGlnaGVzdEF2YWlsYWJsZTwvUnVuTGV2ZWw+DQogICAgPC9QcmluY2lwYWw+DQogIDwvUHJpbmNpcGFscz4NCiAgPFNldHRpbmdzPg0KICAgIDxNdWx0aXBsZUluc3RhbmNlc1BvbGljeT5QYXJhbGxlbDwvTXVsdGlwbGVJbnN0YW5jZXNQb2xpY3k+DQogICAgPERpc2FsbG93U3RhcnRJZk9uQmF0dGVyaWVzPmZhbHNlPC9EaXNhbGxvd1N0YXJ0SWZPbkJhdHRlcmllcz4NCiAgICA8U3RvcElmR29pbmdPbkJhdHRlcmllcz5mYWxzZTwvU3RvcElmR29pbmdPbkJhdHRlcmllcz4NCiAgICA8QWxsb3dIYXJkVGVybWluYXRlPnRydWU8L0FsbG93SGFyZFRlcm1pbmF0ZT4NCiAgICA8U3RhcnRXaGVuQXZhaWxhYmxlPmZhbHNlPC9TdGFydFdoZW5BdmFpbGFibGU+DQogICAgPFJ1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+ZmFsc2U8L1J1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+DQogICAgPElkbGVTZXR0aW5ncz4NCiAgICAgIDxTdG9wT25JZGxlRW5kPmZhbHNlPC9TdG9wT25JZGxlRW5kPg0KICAgICAgPFJlc3RhcnRPbklkbGU+ZmFsc2U8L1Jlc3RhcnRPbklkbGU+DQogICAgPC9JZGxlU2V0dGluZ3M+DQogICAgPEFsbG93U3RhcnRPbkRlbWFuZD50cnVlPC9BbGxvd1N0YXJ0T25EZW1hbmQ+DQogICAgPEVuYWJsZWQ+dHJ1ZTwvRW5hYmxlZD4NCiAgICA8SGlkZGVuPmZhbHNlPC9IaWRkZW4+DQogICAgPFJ1bk9ubHlJZklkbGU+ZmFsc2U8L1J1bk9ubHlJZklkbGU+DQogICAgPFdha2VUb1J1bj5mYWxzZTwvV2FrZVRvUnVuPg0KICAgIDxFeGVjdXRpb25UaW1lTGltaXQ+UFQwUzwvRXhlY3V0aW9uVGltZUxpbWl0Pg0KICAgIDxQcmlvcml0eT40PC9Qcmlvcml0eT4NCiAgPC9TZXR0aW5ncz4NCiAgPEFjdGlvbnMgQ29udGV4dD0iQXV0aG9yIj4NCiAgICA8RXhlYz4NCiAgICAgIDxDb21tYW5kPiIjRVhFQ1VUQUJMRVBBVEgiPC9Db21tYW5kPg0KICAgICAgPEFyZ3VtZW50cz4kKEFyZzApPC9Bcmd1bWVudHM+DQogICAgPC9FeGVjPg0KICA8L0FjdGlvbnM+DQo8L1Rhc2s+

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    1665

  • default_group

    OCTOBER

  • 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

    f6041bb2-7c7b-4774-acc8-84a131b635ab

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    tzitziklishop.ddns.net

  • primary_dns_server

    8.8.8.8

  • 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
  • Creates scheduled task(s) 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1c0237daadbb4c94d600f13ad502bee5.exe
    "C:\Users\Admin\AppData\Local\Temp\1c0237daadbb4c94d600f13ad502bee5.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1612
    • C:\Users\Admin\AppData\Local\Temp\1c0237daadbb4c94d600f13ad502bee5.exe
      "C:\Users\Admin\AppData\Local\Temp\1c0237daadbb4c94d600f13ad502bee5.exe"
      2⤵
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:940
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "UDP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp29EF.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:1112
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "UDP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2C31.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:1772

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp29EF.tmp

    Filesize

    1KB

    MD5

    2178d5235cc90f980b20d17f80617b4d

    SHA1

    e124ac92dd4e6f4d9a2d542644d70250a75dab78

    SHA256

    b82e0696ddae846ab49b01c81f5bcc385a2112c197e7a53873e08b2387b78f16

    SHA512

    4897d8abe09a3b618a41251d9d67548e8dd848b13a27bd833f55fe5bf77a29870196f73a34e5787f6a11da140bbea83af33b7145bce9a2b30e64c7c350960a16

  • C:\Users\Admin\AppData\Local\Temp\tmp2C31.tmp

    Filesize

    1KB

    MD5

    0a24db62cb5b84309c4803346caaa25d

    SHA1

    67660778f61bb44168c33ed3fe56ed86cf9583e8

    SHA256

    38d38647af394a04ee6add9f05c43244f04e64a6b96257f4b241a5038efa82df

    SHA512

    d25d9df063f44595d5e0bf890755bd387655131ff369eeedf3d11ffcc6202ca4455bbb33a8a926dd06839cbd1ddec3d06809b3c66a82c6518aa14beaa469a548

  • memory/940-67-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/940-83-0x0000000000600000-0x000000000061E000-memory.dmp

    Filesize

    120KB

  • memory/940-84-0x00000000005B0000-0x00000000005BA000-memory.dmp

    Filesize

    40KB

  • memory/940-92-0x0000000000C80000-0x0000000000C90000-memory.dmp

    Filesize

    64KB

  • memory/940-91-0x00000000007F0000-0x0000000000804000-memory.dmp

    Filesize

    80KB

  • memory/940-90-0x00000000007A0000-0x00000000007AC000-memory.dmp

    Filesize

    48KB

  • memory/940-89-0x0000000000790000-0x000000000079E000-memory.dmp

    Filesize

    56KB

  • memory/940-88-0x0000000000780000-0x0000000000792000-memory.dmp

    Filesize

    72KB

  • memory/940-64-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/940-70-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/940-93-0x0000000000D10000-0x0000000000D24000-memory.dmp

    Filesize

    80KB

  • memory/940-94-0x0000000000D20000-0x0000000000D2E000-memory.dmp

    Filesize

    56KB

  • memory/940-65-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/940-71-0x000000000041E792-mapping.dmp

  • memory/940-73-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/940-75-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/940-87-0x0000000000750000-0x000000000075E000-memory.dmp

    Filesize

    56KB

  • memory/940-95-0x00000000045E0000-0x000000000460E000-memory.dmp

    Filesize

    184KB

  • memory/940-86-0x00000000006A0000-0x00000000006BA000-memory.dmp

    Filesize

    104KB

  • memory/940-85-0x0000000000680000-0x0000000000692000-memory.dmp

    Filesize

    72KB

  • memory/940-96-0x0000000002260000-0x0000000002274000-memory.dmp

    Filesize

    80KB

  • memory/940-82-0x00000000005A0000-0x00000000005AA000-memory.dmp

    Filesize

    40KB

  • memory/940-68-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1112-77-0x0000000000000000-mapping.dmp

  • memory/1612-79-0x0000000007155000-0x0000000007166000-memory.dmp

    Filesize

    68KB

  • memory/1612-54-0x0000000000DC0000-0x0000000000E54000-memory.dmp

    Filesize

    592KB

  • memory/1612-63-0x0000000000A20000-0x0000000000A5A000-memory.dmp

    Filesize

    232KB

  • memory/1612-62-0x0000000007300000-0x0000000007374000-memory.dmp

    Filesize

    464KB

  • memory/1612-61-0x0000000000760000-0x000000000076C000-memory.dmp

    Filesize

    48KB

  • memory/1612-60-0x0000000000760000-0x000000000076A000-memory.dmp

    Filesize

    40KB

  • memory/1612-59-0x0000000007155000-0x0000000007166000-memory.dmp

    Filesize

    68KB

  • memory/1612-58-0x0000000000760000-0x000000000076A000-memory.dmp

    Filesize

    40KB

  • memory/1612-57-0x0000000000760000-0x000000000076A000-memory.dmp

    Filesize

    40KB

  • memory/1612-56-0x0000000000530000-0x0000000000548000-memory.dmp

    Filesize

    96KB

  • memory/1612-55-0x0000000076681000-0x0000000076683000-memory.dmp

    Filesize

    8KB

  • memory/1772-80-0x0000000000000000-mapping.dmp