Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-11-2024 09:26

General

  • Target

    SUGFTEY6.exe

  • Size

    730KB

  • MD5

    f07be6af928120079595a9ebc0ae76f5

  • SHA1

    443a586b921c443e5c0cf587892c5edcbc97c59d

  • SHA256

    dde76fec5d81575fa446a6386696e94c6045a96f1dd6f8535aeea28be67edbba

  • SHA512

    a73063e8765aa3f3dcd44d5891e995fa9383ec8379579c42eb58a00259792ad73d251dbebdf374730382af0793f949fc732251a3d8f52df2506264c74782ed10

  • SSDEEP

    12288:3PTCJVMExIra6jcP1EKV64OWalOLHkGzYchNAKvCmOQDuczC3+kn7:fTCJVdZ9EA6XHUzdpMKamOQDuczM7

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

aye2mar280502016.ddns.net:20251

185.235.138.103:20251

Mutex

86e19174-6619-4836-82cb-d416d8e7b744

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    185.235.138.103

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2024-08-26T09:08:32.044708036Z

  • 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

    20251

  • default_group

    Dike

  • 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

    86e19174-6619-4836-82cb-d416d8e7b744

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    aye2mar280502016.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.

  • 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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 17 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SUGFTEY6.exe
    "C:\Users\Admin\AppData\Local\Temp\SUGFTEY6.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4432
    • 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\SUGFTEY6.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:64
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UNubJR.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1512
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UNubJR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1A3A.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3892
    • C:\Users\Admin\AppData\Local\Temp\SUGFTEY6.exe
      "C:\Users\Admin\AppData\Local\Temp\SUGFTEY6.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:2084
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "LAN Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1F2B.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1140
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "LAN Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp24E9.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1608

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    3d086a433708053f9bf9523e1d87a4e8

    SHA1

    b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

    SHA256

    6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

    SHA512

    931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    18KB

    MD5

    81c99f1c70a5449f58d2ec76302f162a

    SHA1

    57b4618d770070791e91e520d75d9ef35dbb524e

    SHA256

    e4ccb9b230973e360c49fde7406946ebe50eb2b76ade9e18fea1cf3948234b13

    SHA512

    77ecff6f3962d7c797719cf8c797fa7da6fb98562641e8ac57c1a867a2d4d20357f1be9f6f13231e5ff205cf8cd13e82aa54797e12161731630a072e686998e3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bsm3wna3.raf.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp1A3A.tmp

    Filesize

    1KB

    MD5

    25c131fa053fcdbf98c7053f4adafc28

    SHA1

    7e5d116e884c3426a784f06bd0b377a00f706709

    SHA256

    519d427f694d4471f104039b49452f26f0b2d52d3c4ae405fedefbf0c916295d

    SHA512

    3c12f785bce5c3f012b0fd90d40f70697da2178d2df908773a772772a0230f83733f9fdb600d322a1c37d6b6b384858ae36eb6f3d35f34653ae1335fb776f42d

  • C:\Users\Admin\AppData\Local\Temp\tmp1F2B.tmp

    Filesize

    1KB

    MD5

    5ed0190396216c37074c42639bbe1729

    SHA1

    c4b783f59e08a8f5edaf50c9b36db8a812739c53

    SHA256

    a9d70f3a16208bd3890b03faffa0d2d7f0fc5e7b99f62d13ea7381a61d3b467d

    SHA512

    fc8df5242c89b65d52727c82b2690fb7e33c6dab4261662b5da072e2f36370dec0699ec6b0278c24f54cb6851a4d2fb72818e649b4da8047dba1156d0b1450c5

  • C:\Users\Admin\AppData\Local\Temp\tmp24E9.tmp

    Filesize

    1KB

    MD5

    6b30dba7972c92c9a1b881e88c108b15

    SHA1

    f76207985cc5a1f70edb2fb5bd45678f195a4564

    SHA256

    578f5b0ff051f02f8e0a67fc3424dad554fa9489875475ea624fbb63eabfcbf7

    SHA512

    e3dd368937f863cb07453de12173580fb63b8d3983db7119c24860f227c89ded76401c47607f5b1134d215d46fe2b40d4bc3d7299374f1e8abecdeaefc7b9099

  • memory/64-15-0x0000000000CA0000-0x0000000000CD6000-memory.dmp

    Filesize

    216KB

  • memory/64-84-0x0000000006AA0000-0x0000000006B43000-memory.dmp

    Filesize

    652KB

  • memory/64-87-0x0000000006DE0000-0x0000000006DFA000-memory.dmp

    Filesize

    104KB

  • memory/64-88-0x0000000006E50000-0x0000000006E5A000-memory.dmp

    Filesize

    40KB

  • memory/64-89-0x0000000007060000-0x00000000070F6000-memory.dmp

    Filesize

    600KB

  • memory/64-73-0x00000000757B0000-0x00000000757FC000-memory.dmp

    Filesize

    304KB

  • memory/64-22-0x0000000004BE0000-0x0000000004C02000-memory.dmp

    Filesize

    136KB

  • memory/64-18-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/64-21-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/64-19-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/64-114-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/64-24-0x0000000005430000-0x0000000005496000-memory.dmp

    Filesize

    408KB

  • memory/64-23-0x0000000004C80000-0x0000000004CE6000-memory.dmp

    Filesize

    408KB

  • memory/1512-90-0x0000000007440000-0x0000000007451000-memory.dmp

    Filesize

    68KB

  • memory/1512-17-0x0000000005270000-0x0000000005898000-memory.dmp

    Filesize

    6.2MB

  • memory/1512-25-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1512-16-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1512-35-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1512-45-0x0000000005B50000-0x0000000005EA4000-memory.dmp

    Filesize

    3.3MB

  • memory/1512-62-0x0000000006ED0000-0x0000000006F02000-memory.dmp

    Filesize

    200KB

  • memory/1512-104-0x0000000007470000-0x000000000747E000-memory.dmp

    Filesize

    56KB

  • memory/1512-49-0x0000000005F10000-0x0000000005F2E000-memory.dmp

    Filesize

    120KB

  • memory/1512-50-0x0000000005FD0000-0x000000000601C000-memory.dmp

    Filesize

    304KB

  • memory/1512-105-0x0000000007480000-0x0000000007494000-memory.dmp

    Filesize

    80KB

  • memory/1512-106-0x0000000007580000-0x000000000759A000-memory.dmp

    Filesize

    104KB

  • memory/1512-86-0x0000000007880000-0x0000000007EFA000-memory.dmp

    Filesize

    6.5MB

  • memory/1512-107-0x0000000007560000-0x0000000007568000-memory.dmp

    Filesize

    32KB

  • memory/1512-113-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1512-83-0x00000000064D0000-0x00000000064EE000-memory.dmp

    Filesize

    120KB

  • memory/1512-63-0x00000000757B0000-0x00000000757FC000-memory.dmp

    Filesize

    304KB

  • memory/2084-59-0x0000000005DB0000-0x0000000005DBC000-memory.dmp

    Filesize

    48KB

  • memory/2084-92-0x0000000007400000-0x0000000007412000-memory.dmp

    Filesize

    72KB

  • memory/2084-61-0x0000000006B70000-0x0000000006B7A000-memory.dmp

    Filesize

    40KB

  • memory/2084-93-0x0000000007410000-0x000000000742A000-memory.dmp

    Filesize

    104KB

  • memory/2084-60-0x0000000006A20000-0x0000000006A3E000-memory.dmp

    Filesize

    120KB

  • memory/2084-94-0x0000000007440000-0x000000000744E000-memory.dmp

    Filesize

    56KB

  • memory/2084-46-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/2084-95-0x0000000007450000-0x0000000007462000-memory.dmp

    Filesize

    72KB

  • memory/2084-58-0x0000000005C90000-0x0000000005C9A000-memory.dmp

    Filesize

    40KB

  • memory/2084-96-0x0000000007460000-0x000000000746E000-memory.dmp

    Filesize

    56KB

  • memory/2084-99-0x0000000007490000-0x00000000074A0000-memory.dmp

    Filesize

    64KB

  • memory/2084-98-0x0000000007480000-0x0000000007494000-memory.dmp

    Filesize

    80KB

  • memory/2084-103-0x0000000007520000-0x0000000007534000-memory.dmp

    Filesize

    80KB

  • memory/2084-102-0x00000000074E0000-0x000000000750E000-memory.dmp

    Filesize

    184KB

  • memory/2084-101-0x00000000074D0000-0x00000000074DE000-memory.dmp

    Filesize

    56KB

  • memory/2084-100-0x00000000074C0000-0x00000000074D4000-memory.dmp

    Filesize

    80KB

  • memory/2084-97-0x0000000007470000-0x000000000747C000-memory.dmp

    Filesize

    48KB

  • memory/4432-9-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4432-10-0x00000000081F0000-0x0000000008270000-memory.dmp

    Filesize

    512KB

  • memory/4432-48-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4432-0-0x0000000074F0E000-0x0000000074F0F000-memory.dmp

    Filesize

    4KB

  • memory/4432-8-0x0000000074F0E000-0x0000000074F0F000-memory.dmp

    Filesize

    4KB

  • memory/4432-7-0x0000000006C40000-0x0000000006C52000-memory.dmp

    Filesize

    72KB

  • memory/4432-6-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4432-5-0x00000000056F0000-0x00000000056FA000-memory.dmp

    Filesize

    40KB

  • memory/4432-4-0x00000000057B0000-0x000000000584C000-memory.dmp

    Filesize

    624KB

  • memory/4432-3-0x0000000005710000-0x00000000057A2000-memory.dmp

    Filesize

    584KB

  • memory/4432-2-0x0000000005CC0000-0x0000000006264000-memory.dmp

    Filesize

    5.6MB

  • memory/4432-1-0x0000000000C30000-0x0000000000CEE000-memory.dmp

    Filesize

    760KB