Analysis

  • max time kernel
    122s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    22-09-2022 15:10

General

  • Target

    DHL AWB TRACKING DETAILS.exe

  • Size

    845KB

  • MD5

    b4dc4c7cf6a36820c6b1625d8bcf46ef

  • SHA1

    dc5eb5959a348b9da96841e421ed2a8cef5ad405

  • SHA256

    7406ca2a562629a5eba2c08b95548ad3337f72cb0a455d6735234ad0d37a16f3

  • SHA512

    fc1d533bab36b3afffaf35b6ff563b2474e41e94658e2b29c73501867d13828808f09a67ac1baa3564f625a54b85c6bcaf113c978052b82b979b14b1d722532b

  • SSDEEP

    12288:NH9Z1+x99LZDIXffOXBMYlGq0u7nu99MNV7U7i8R:NE99l8YMYIMuXMNxU71

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

chinomso.duckdns.org:7688

Mutex

1a89322e-5293-4ba8-a831-31eb0594f72f

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    chinomso.duckdns.org

  • backup_dns_server

    chinomso.duckdns.org

  • buffer_size

    65535

  • build_time

    2022-07-04T03:07:42.605643236Z

  • 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

    7688

  • 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

    1a89322e-5293-4ba8-a831-31eb0594f72f

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    chinomso.duckdns.org

  • primary_dns_server

    chinomso.duckdns.org

  • 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.

  • 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\DHL AWB TRACKING DETAILS.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL AWB TRACKING DETAILS.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1300
    • C:\Users\Admin\AppData\Local\Temp\DHL AWB TRACKING DETAILS.exe
      "C:\Users\Admin\AppData\Local\Temp\DHL AWB TRACKING DETAILS.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:1280
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "UDP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp6B51.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:1924
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "UDP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp6D17.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:752

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp6B51.tmp

    Filesize

    1KB

    MD5

    c74a099ebd240106bc272f1d53b1c7ac

    SHA1

    a772592d7b93dbb43f7b58c9a4cbb33028bdefad

    SHA256

    cc7e2c2ed3cfef4753d80a47e20528785181788114d8ff4d78edd48a7af4e606

    SHA512

    94315006216f64a3e18de69442d5140215e284063e49472b2edbdac68ca2015ed247a8da0377b114f105b3038744aa8a8e3817d006e5a1fbbd95cdd13024a83d

  • C:\Users\Admin\AppData\Local\Temp\tmp6D17.tmp

    Filesize

    1KB

    MD5

    0a24db62cb5b84309c4803346caaa25d

    SHA1

    67660778f61bb44168c33ed3fe56ed86cf9583e8

    SHA256

    38d38647af394a04ee6add9f05c43244f04e64a6b96257f4b241a5038efa82df

    SHA512

    d25d9df063f44595d5e0bf890755bd387655131ff369eeedf3d11ffcc6202ca4455bbb33a8a926dd06839cbd1ddec3d06809b3c66a82c6518aa14beaa469a548

  • memory/752-75-0x0000000000000000-mapping.dmp

  • memory/1280-63-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1280-84-0x0000000002230000-0x000000000223E000-memory.dmp

    Filesize

    56KB

  • memory/1280-77-0x00000000003D0000-0x00000000003DA000-memory.dmp

    Filesize

    40KB

  • memory/1280-60-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1280-61-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1280-90-0x0000000004730000-0x000000000475E000-memory.dmp

    Filesize

    184KB

  • memory/1280-64-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1280-66-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1280-67-0x000000000041E792-mapping.dmp

  • memory/1280-69-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1280-71-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1280-89-0x0000000002280000-0x000000000228E000-memory.dmp

    Filesize

    56KB

  • memory/1280-88-0x0000000002270000-0x0000000002284000-memory.dmp

    Filesize

    80KB

  • memory/1280-87-0x0000000002260000-0x0000000002270000-memory.dmp

    Filesize

    64KB

  • memory/1280-91-0x00000000047B0000-0x00000000047C4000-memory.dmp

    Filesize

    80KB

  • memory/1280-86-0x0000000002250000-0x0000000002264000-memory.dmp

    Filesize

    80KB

  • memory/1280-78-0x0000000000440000-0x000000000045E000-memory.dmp

    Filesize

    120KB

  • memory/1280-79-0x00000000003E0000-0x00000000003EA000-memory.dmp

    Filesize

    40KB

  • memory/1280-80-0x0000000000650000-0x0000000000662000-memory.dmp

    Filesize

    72KB

  • memory/1280-81-0x00000000006A0000-0x00000000006BA000-memory.dmp

    Filesize

    104KB

  • memory/1280-82-0x0000000000A40000-0x0000000000A4E000-memory.dmp

    Filesize

    56KB

  • memory/1280-83-0x0000000000B20000-0x0000000000B32000-memory.dmp

    Filesize

    72KB

  • memory/1280-85-0x0000000002240000-0x000000000224C000-memory.dmp

    Filesize

    48KB

  • memory/1300-58-0x0000000005FD0000-0x0000000006064000-memory.dmp

    Filesize

    592KB

  • memory/1300-59-0x0000000000B30000-0x0000000000B6A000-memory.dmp

    Filesize

    232KB

  • memory/1300-56-0x0000000000340000-0x0000000000354000-memory.dmp

    Filesize

    80KB

  • memory/1300-57-0x0000000000360000-0x000000000036C000-memory.dmp

    Filesize

    48KB

  • memory/1300-54-0x0000000000C70000-0x0000000000D4A000-memory.dmp

    Filesize

    872KB

  • memory/1300-55-0x0000000074F41000-0x0000000074F43000-memory.dmp

    Filesize

    8KB

  • memory/1924-73-0x0000000000000000-mapping.dmp