Analysis

  • max time kernel
    150s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01-11-2024 03:49

General

  • Target

    Electronic Shipping Documents 7.exe

  • Size

    1.3MB

  • MD5

    47b43d314ed8b13f544eac2efe4188ae

  • SHA1

    005522096d1e202550694aa3adad7762cede9caa

  • SHA256

    73b4db5a6d653d9d84e881b1bc8a8af6ca9efc59191c629997dab77c429213cb

  • SHA512

    6b1437443b325022e6113fb939ab1c2ce86ee53066b66a432d33d90317d3b31cc1e136f60ea3cc8d5f0de16d9387abaa79d8e552a73d1e9fd1a44fa89ab07f2b

  • SSDEEP

    24576:nKojMQH6/7PRia0ivVYGoBvcXsb5rz0D6rA0CJ24spJW:nKr7/jvTVCJc8FrwD6rsJ7s

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

178.175.138.225:1869

Mutex

d40060f0-8457-4d97-a09d-62e84457e4c8

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    178.175.138.225

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2016-10-25T10:24:17.752176236Z

  • 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

    1869

  • default_group

    GROUP

  • 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

    d40060f0-8457-4d97-a09d-62e84457e4c8

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    178.175.138.225

  • 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
  • Drops startup file 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • 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 6 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • 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 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Electronic Shipping Documents 7.exe
    "C:\Users\Admin\AppData\Local\Temp\Electronic Shipping Documents 7.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • System Network Configuration Discovery: Internet Connection Discovery
    • Suspicious use of WriteProcessMemory
    PID:2148
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\UMZVVY~1.EXE
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\UMZVVY~1.EXE
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2380
      • C:\Users\Admin\AppData\Roaming\KEYC.exe
        "C:\Users\Admin\AppData\Roaming\KEYC.exe" "C:\Users\Admin\AppData\Roaming\ESGJB"
        3⤵
        • Drops startup file
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2676
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
          4⤵
          • Adds Run key to start application
          • 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:2472
          • C:\Windows\SysWOW64\schtasks.exe
            "schtasks.exe" /create /f /tn "ISS Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB9DD.tmp"
            5⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:3012
          • C:\Windows\SysWOW64\schtasks.exe
            "schtasks.exe" /create /f /tn "ISS Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpBA99.tmp"
            5⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:2480

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ESGJB

    Filesize

    391KB

    MD5

    c5d74e2ba32c5718790ee1ee626296be

    SHA1

    c83414d93799b739338645be75b217346d9f25ad

    SHA256

    e4ca081e9f217d68a302664f23b939bcf733a7672238fe254945bf6269faf538

    SHA512

    bd0740cb9283e18382b2bbd551fd8f66b7d8b3b99c6e25e0048e08b21f6d7b4196ed4fbce486102036178d37db9bdd5bc95507042c6c1e39ab461ea7b132eb1e

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\KEYC1

    Filesize

    915KB

    MD5

    4744edba858885bfe4d513e5ba6030ac

    SHA1

    7706ebc3097465571daf5bc0c26721a79e8b50c2

    SHA256

    b71c08e936ab72a27a822e2984a60e798591d2b71b352875f6aede464245724b

    SHA512

    14cf08f1227f320e36ed9b50de68fffea72393f59b921e81ad987f8cd19d9b3766f601063df474b99b6b948a8431232c900577ab633a3d8f13de0b2f69a36685

  • C:\Users\Admin\AppData\Local\Temp\tmpB9DD.tmp

    Filesize

    1KB

    MD5

    8cad1b41587ced0f1e74396794f31d58

    SHA1

    11054bf74fcf5e8e412768035e4dae43aa7b710f

    SHA256

    3086d914f6b23268f8a12cb1a05516cd5465c2577e1d1e449f1b45c8e5e8f83c

    SHA512

    99c2ef89029de51a866df932841684b7fc912df21e10e2dd0d09e400203bbdc6cba6319a31780b7bf8b286d2cea8ea3fc7d084348bf2f002ab4f5a34218ccbef

  • C:\Users\Admin\AppData\Local\Temp\tmpBA99.tmp

    Filesize

    1KB

    MD5

    3d1580c0395f6de62659467f5b7f1acf

    SHA1

    8e73a3885896cecca7ff799a272fc9ddfe06ea96

    SHA256

    6f40196c42a171f24a3e16edeca664cdc5a2f7c150d468255b0e14ab10a2b714

    SHA512

    7637c0d9b03227dffcb00a68d97ddce60bfc40ca0f8a7a4bbd700ea56be6d570908511dea5cab9f609a7da2e558e5298c482fd1e330af085f9c52867d5a847ea

  • C:\Users\Admin\AppData\Roaming\ESGJB

    Filesize

    293KB

    MD5

    07a65d1d74825ead4f5e33c53ea7cf38

    SHA1

    c910017e06cec1a41fab4553139c6f9d35961130

    SHA256

    bd3c33414eddeceaa14f3f12e342e195a5477f20a1c63035e84cbc3d4c1e9420

    SHA512

    40c24e08df6a7cc34409f18fad5fc4e9fa495f4f69c0bef0b9ac4dc1a9a749312d09eec1e009fceabae5a45341c12c57c1e975edeed262375b1602ed4a4971dc

  • \Users\Admin\AppData\Local\Temp\IXP000.TMP\UMZVVY~1.EXE

    Filesize

    1.7MB

    MD5

    e5e120aadb154f5a8fc4f4a9df91e0f2

    SHA1

    22cbf63148bf071fea74007269304c16ef5851b7

    SHA256

    5ac8b0c3f90a587b4ad18ef940ceb65ed1a1b0e689a72d82fb66fc50a675c58d

    SHA512

    ac035bbe43cc1c9fe432a38dcf4561f4111b09910b47f1021aa920d28858dc3c292aeecc7682a4ad270fd37564be51e47b0ea6a654e299a8c120ff4c7df13a05

  • \Users\Admin\AppData\Roaming\KEYC.exe

    Filesize

    915KB

    MD5

    b06e67f9767e5023892d9698703ad098

    SHA1

    acc07666f4c1d4461d3e1c263cf6a194a8dd1544

    SHA256

    8498900e57a490404e7ec4d8159bee29aed5852ae88bd484141780eaadb727bb

    SHA512

    7972c78acebdd86c57d879c12cb407120155a24a52fda23ddb7d9e181dd59dac1eb74f327817adbc364d37c8dc704f8236f3539b4d3ee5a022814924a1616943

  • memory/2472-52-0x00000000005B0000-0x00000000005BA000-memory.dmp

    Filesize

    40KB

  • memory/2472-36-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2472-34-0x0000000000220000-0x0000000000258000-memory.dmp

    Filesize

    224KB

  • memory/2472-39-0x0000000000220000-0x0000000000258000-memory.dmp

    Filesize

    224KB

  • memory/2472-41-0x0000000000220000-0x0000000000258000-memory.dmp

    Filesize

    224KB

  • memory/2472-50-0x0000000000560000-0x000000000056A000-memory.dmp

    Filesize

    40KB

  • memory/2472-51-0x0000000000760000-0x000000000077E000-memory.dmp

    Filesize

    120KB

  • memory/2472-37-0x0000000000220000-0x0000000000258000-memory.dmp

    Filesize

    224KB

  • memory/2676-56-0x0000000000130000-0x000000000021B000-memory.dmp

    Filesize

    940KB

  • memory/2676-60-0x0000000000130000-0x000000000021B000-memory.dmp

    Filesize

    940KB

  • memory/2676-55-0x0000000000130000-0x000000000021B000-memory.dmp

    Filesize

    940KB

  • memory/2676-53-0x0000000000130000-0x000000000021B000-memory.dmp

    Filesize

    940KB

  • memory/2676-57-0x0000000000130000-0x000000000021B000-memory.dmp

    Filesize

    940KB

  • memory/2676-58-0x0000000000130000-0x000000000021B000-memory.dmp

    Filesize

    940KB

  • memory/2676-59-0x0000000000130000-0x000000000021B000-memory.dmp

    Filesize

    940KB

  • memory/2676-54-0x0000000000130000-0x000000000021B000-memory.dmp

    Filesize

    940KB

  • memory/2676-61-0x0000000000130000-0x000000000021B000-memory.dmp

    Filesize

    940KB

  • memory/2676-62-0x0000000000130000-0x000000000021B000-memory.dmp

    Filesize

    940KB

  • memory/2676-63-0x0000000000130000-0x000000000021B000-memory.dmp

    Filesize

    940KB

  • memory/2676-64-0x0000000000130000-0x000000000021B000-memory.dmp

    Filesize

    940KB

  • memory/2676-65-0x0000000000130000-0x000000000021B000-memory.dmp

    Filesize

    940KB

  • memory/2676-66-0x0000000000130000-0x000000000021B000-memory.dmp

    Filesize

    940KB