Analysis

  • max time kernel
    109s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    05-10-2022 18:30

General

  • Target

    SHIPMENT NOTIFICATION- EXPORTERS& IMPORTERS SCHEDULED DATE AVAILABLE..exe

  • Size

    936KB

  • MD5

    b2a8c4a2dd041f92d259c02e924a3a4b

  • SHA1

    50022b4f5c9112c316f8157d9013af1a35d54e3e

  • SHA256

    8cfba40889bb7635de6a423b965ff717b778f2156df2489ca75fb67581cae5f2

  • SHA512

    bac1445b611c520ef7efda6bc6bc73e95152003d5490050ba151a03f6d8333adf05dc1e553cb5fba96814ecfe62627b5785d61b26b09c5ea3f3863a101f59833

  • SSDEEP

    12288:Qe1IEVkkHZzSX27YBaUw59YXXXSRFwKKbc2SCFybWl5b3R541e:QgCkH9Y27YoZkXXSRKY21QWl5bX41e

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

nonoise.duckdns.org:6060

127.0.0.1:6060

Mutex

e5b96835-fb4b-4c21-b4a5-85acaa364db0

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    37.235.1.177

  • buffer_size

    65535

  • build_time

    2022-05-05T17:07:06.186249136Z

  • 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

    6060

  • default_group

    GREENGAS

  • 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

    e5b96835-fb4b-4c21-b4a5-85acaa364db0

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    nonoise.duckdns.org

  • primary_dns_server

    37.235.1.174

  • 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.

  • Unexpected DNS network traffic destination 2 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • 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). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SHIPMENT NOTIFICATION- EXPORTERS& IMPORTERS SCHEDULED DATE AVAILABLE..exe
    "C:\Users\Admin\AppData\Local\Temp\SHIPMENT NOTIFICATION- EXPORTERS& IMPORTERS SCHEDULED DATE AVAILABLE..exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1908
    • 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\SHIPMENT NOTIFICATION- EXPORTERS& IMPORTERS SCHEDULED DATE AVAILABLE..exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2012
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BCvgcNSl.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1980
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BCvgcNSl" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAF34.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1984
    • C:\Users\Admin\AppData\Local\Temp\SHIPMENT NOTIFICATION- EXPORTERS& IMPORTERS SCHEDULED DATE AVAILABLE..exe
      "C:\Users\Admin\AppData\Local\Temp\SHIPMENT NOTIFICATION- EXPORTERS& IMPORTERS SCHEDULED DATE AVAILABLE..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:1556
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "NTFS Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB7EB.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:1068
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "NTFS Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpBA4C.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:300

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpAF34.tmp

    Filesize

    1KB

    MD5

    47120625c238d209f01e0590f7ae69f7

    SHA1

    e4606eb9e2e29a943c1d8757b20c969bed520f52

    SHA256

    6a6c80e0381eac62c2eeede59fccb1ecb711227e2dd2dd4bca810922f9bf5cca

    SHA512

    e877a13a1bb5a6057f00b5c8f5555a4d554e3648f832fad4fdce164d5c7911006cd038268d757acc62d54cee13bd7749c3d8741b00ba569ce2aeac0d336ddeb9

  • C:\Users\Admin\AppData\Local\Temp\tmpB7EB.tmp

    Filesize

    1KB

    MD5

    d9a42885990db553baeeff45a252b8d7

    SHA1

    9bad8e39f470f0776a689538d91edbaa513109ef

    SHA256

    4b2b03b9006b5ec2837b45dbcd7a760d070631956dde01e6a618bf2afdc5fce1

    SHA512

    8229b779a57419ac33815cf8ddc1ec9088c7f5598669ab6eb6c2425e8c76c250e7480f2a3e4d211781ba042683e28f7a69901d228a031e61c6eed462798af8d7

  • C:\Users\Admin\AppData\Local\Temp\tmpBA4C.tmp

    Filesize

    1KB

    MD5

    981e126601526eaa5b0ad45c496c4465

    SHA1

    d610d6a21a8420cc73fcd3e54ddae75a5897b28b

    SHA256

    11ae277dfa39e7038b782ca6557339e7fe88533fe83705c356a1500a1402d527

    SHA512

    a59fb704d931ccb7e1ec1a7b98e24ccd8708be529066c6de4b673098cdebef539f7f50d9e051c43954b5a8e7f810862b3a4ede170f131e080dadc3e763ed4bdb

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    056bb9265524e720ded32138421669c3

    SHA1

    c7c6551875928b3879ebd9b001cfc8097a2ed0de

    SHA256

    5287085f678f8bd0aa03d1c8636c8af4b40d7998efb05762bcc11a29f3961525

    SHA512

    71a21d092497d5259635d9c5be8f0dc7793784f118c3f12599d49b10417246198460a957d73038ef285a57ac81215e259021c74bd59a82af8b0cdf7919227630

  • memory/300-83-0x0000000000000000-mapping.dmp

  • memory/1068-81-0x0000000000000000-mapping.dmp

  • memory/1556-70-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1556-78-0x00000000742E0000-0x000000007488B000-memory.dmp

    Filesize

    5.7MB

  • memory/1556-64-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1556-65-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1556-67-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1556-68-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1556-87-0x00000000742E0000-0x000000007488B000-memory.dmp

    Filesize

    5.7MB

  • memory/1556-71-0x000000000041E792-mapping.dmp

  • memory/1556-73-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1556-75-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1908-54-0x00000000753C1000-0x00000000753C3000-memory.dmp

    Filesize

    8KB

  • memory/1908-77-0x00000000742E0000-0x000000007488B000-memory.dmp

    Filesize

    5.7MB

  • memory/1908-56-0x00000000742E0000-0x000000007488B000-memory.dmp

    Filesize

    5.7MB

  • memory/1908-55-0x00000000742E0000-0x000000007488B000-memory.dmp

    Filesize

    5.7MB

  • memory/1980-80-0x00000000742E0000-0x000000007488B000-memory.dmp

    Filesize

    5.7MB

  • memory/1980-59-0x0000000000000000-mapping.dmp

  • memory/1980-85-0x00000000742E0000-0x000000007488B000-memory.dmp

    Filesize

    5.7MB

  • memory/1984-60-0x0000000000000000-mapping.dmp

  • memory/2012-79-0x00000000742E0000-0x000000007488B000-memory.dmp

    Filesize

    5.7MB

  • memory/2012-57-0x0000000000000000-mapping.dmp

  • memory/2012-86-0x00000000742E0000-0x000000007488B000-memory.dmp

    Filesize

    5.7MB