Analysis

  • max time kernel
    121s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    08-11-2024 14:18

General

  • Target

    MT103 SWIFT COPY.exe

  • Size

    843KB

  • MD5

    ad206d63011b84720546b1eeb4cbe33f

  • SHA1

    26958fb991f1fbbd19f6b68bd8e797b9466d7eee

  • SHA256

    38bc8e7a5591373c9e2e798a86e78d5435b9262a69b693e67257c48ef167c9ce

  • SHA512

    e9e6e7de1dbb424be813b93fadaa1a1eceb9e2e542485ea5a16c00b2be6178f3ffb7845ed332c622c22c13c21311a2be5a38de11031f793cffb083c6c3ac6f03

  • SSDEEP

    12288:v6Wq4aaE6KwyF5L0Y2D1PqL9ovRjKUSi7WnLSoDbon81FDy6Lly1/qikNBRa/nAa:tthEVaPqL9ajKF4n+Dy6M1/qi4ba

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

192.30.243.111:9876

Mutex

7e06b690-11b1-42c6-a738-84ab1cd78afa

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    192.30.243.111

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2024-08-20T09:23:19.272488136Z

  • 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

    9876

  • default_group

    Default

  • 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

    7e06b690-11b1-42c6-a738-84ab1cd78afa

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    192.30.243.111

  • primary_dns_server

    8.8.8.8

  • request_elevation

    false

  • 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
  • Detected Nirsoft tools 3 IoCs

    Free utilities often used by attackers which can steal passwords, product keys, etc.

  • NirSoft MailPassView 3 IoCs

    Password recovery tool for various email clients

  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • AutoIT Executable 2 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 3 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 2 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 behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MT103 SWIFT COPY.exe
    "C:\Users\Admin\AppData\Local\Temp\MT103 SWIFT COPY.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1644
    • C:\Users\Admin\AppData\Local\Clinton\polygamize.exe
      "C:\Users\Admin\AppData\Local\Temp\MT103 SWIFT COPY.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1396
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
        "C:\Users\Admin\AppData\Local\Temp\MT103 SWIFT COPY.exe"
        3⤵
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • 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:3064
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /create /f /tn "WPA Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8269.tmp"
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:2916
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /create /f /tn "WPA Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp85B4.tmp"
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:2788
        • \??\c:\windows\microsoft.net\framework\v2.0.50727\vbc.exe
          "c:\windows\microsoft.net\framework\v2.0.50727\vbc.exe" /shtml "C:\Users\Admin\AppData\Local\Temp\dpv4z4n5.pdg"
          4⤵
          • Accesses Microsoft Outlook accounts
          • System Location Discovery: System Language Discovery
          PID:332
        • \??\c:\windows\microsoft.net\framework\v2.0.50727\vbc.exe
          "c:\windows\microsoft.net\framework\v2.0.50727\vbc.exe" /shtml "C:\Users\Admin\AppData\Local\Temp\5ha4puul.rfj"
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:2452

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\5ha4puul.rfj

    Filesize

    926B

    MD5

    919e671c3d5959a91ef2d4c377d2b2ff

    SHA1

    b1202b19512bbd390d3d5164792501c87bb42c41

    SHA256

    d2e079df7cf6388315368ba79bf099ad2ff5428af51bf5abf2d99a2d7c5eb651

    SHA512

    f3298256372beab8efe81b2e08d3b3869281f625de1ee13189c6b95eb2134d223df6f64cc9e490dd6b52a53aa936adc17bd5dfe4e50ee0fe420f3ebae276381c

  • C:\Users\Admin\AppData\Local\Temp\dpv4z4n5.pdg

    Filesize

    523B

    MD5

    69b2a2e17e78d24abee9f1de2f04811a

    SHA1

    d19c109704e83876ab3527457f9418a7d053aa33

    SHA256

    1b1491f21e64681f8fdc27b2265e2274fb7813eecb6ad8b446d2e431f6300edd

    SHA512

    eb7269979bc4187520636fe3d7b3089f2c7c02e81c4ce2a738ade680f72c61c67fe9577eeaa09d3ca93f34b60be8c434d2cfbfed6566e783f6611279f056150f

  • C:\Users\Admin\AppData\Local\Temp\tmp8269.tmp

    Filesize

    1KB

    MD5

    40b11ef601fb28f9b2e69d36857bf2ec

    SHA1

    b6454020ad2ceed193f4792b77001d0bd741b370

    SHA256

    c51e12d18cc664425f6711d8ae2507068884c7057092cfa11884100e1e9d49e1

    SHA512

    e3c5bcc714cbfca4b8058ddcddf231dcefa69c15881ce3f8123e59ed45cfb5da052b56e1945dcf8dc7f800d62f9a4eecb82bca69a66a1530787aeffeb15e2bd5

  • C:\Users\Admin\AppData\Local\Temp\tmp85B4.tmp

    Filesize

    1KB

    MD5

    21de6c3a6440d917bdbb4b491191d9b2

    SHA1

    c63c300affe7147910dc4544d2d5f3029bf321a6

    SHA256

    23af17733a3882cdd82a5bbc321d896b2430dc1bb4b4ac034d129cde5027afc4

    SHA512

    dcd1c464ed36593b990e072940ab415804ef8076743015fff4939211e30e436beb7ce6af3072769abe0214f737cedb210d2b45e6e90da20dac54c3945b11575f

  • \Users\Admin\AppData\Local\Clinton\polygamize.exe

    Filesize

    843KB

    MD5

    ad206d63011b84720546b1eeb4cbe33f

    SHA1

    26958fb991f1fbbd19f6b68bd8e797b9466d7eee

    SHA256

    38bc8e7a5591373c9e2e798a86e78d5435b9262a69b693e67257c48ef167c9ce

    SHA512

    e9e6e7de1dbb424be813b93fadaa1a1eceb9e2e542485ea5a16c00b2be6178f3ffb7845ed332c622c22c13c21311a2be5a38de11031f793cffb083c6c3ac6f03

  • memory/332-40-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/332-44-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/332-55-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/332-46-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/332-42-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/332-48-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/332-51-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/332-52-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/332-50-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1396-16-0x0000000003910000-0x0000000003D10000-memory.dmp

    Filesize

    4.0MB

  • memory/1396-24-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/1644-3-0x0000000003A00000-0x0000000003E00000-memory.dmp

    Filesize

    4.0MB

  • memory/1644-0-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/1644-11-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/1644-7-0x0000000002650000-0x0000000002712000-memory.dmp

    Filesize

    776KB

  • memory/2452-68-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2452-61-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2452-66-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2452-69-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2452-57-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2452-63-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2452-74-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2452-59-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3064-27-0x0000000074AC0000-0x000000007506B000-memory.dmp

    Filesize

    5.7MB

  • memory/3064-20-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/3064-22-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/3064-25-0x0000000074AC1000-0x0000000074AC2000-memory.dmp

    Filesize

    4KB

  • memory/3064-26-0x0000000074AC0000-0x000000007506B000-memory.dmp

    Filesize

    5.7MB

  • memory/3064-35-0x0000000074AC0000-0x000000007506B000-memory.dmp

    Filesize

    5.7MB

  • memory/3064-18-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/3064-36-0x0000000074AC0000-0x000000007506B000-memory.dmp

    Filesize

    5.7MB