Analysis

  • max time kernel
    137s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    16-04-2021 20:03

General

  • Target

    DHL AWB TRACKNG DETAIL.exe

  • Size

    379KB

  • MD5

    7936b78bca1d7e23aa203369563ef9e5

  • SHA1

    ee99523f6456a4ba9d026ecee447116ac43f25ac

  • SHA256

    4810afd49cb35f756bab13c854922461be237236e455f7d07b32517cbc95a9a6

  • SHA512

    bc74f50c35f0007c7bd52b55a501992729fd96e29c8d2646843bd1ab7a20dfaf3d3582176a168ec2f38aab0b2fc9d13aa24745e0a6b24d207132519db5d727a8

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

dunga.duckdns.org:9087

Mutex

91b56d86-44e9-4ab8-b650-866edac2901e

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    dunga.duckdns.org

  • backup_dns_server

    dunga.duckdns.org

  • buffer_size

    65535

  • build_time

    2021-01-25T17:53:41.406526036Z

  • 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

    9087

  • 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

    91b56d86-44e9-4ab8-b650-866edac2901e

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    dunga.duckdns.org

  • primary_dns_server

    dunga.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.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 5 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • NSIS installer 10 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 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHL AWB TRACKNG DETAIL.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL AWB TRACKNG DETAIL.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1820
    • C:\Users\Admin\AppData\Local\Temp\nFhtcaDO0bKG3ig.exe
      C:\Users\Admin\AppData\Local\Temp\nFhtcaDO0bKG3ig.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1988
      • C:\Users\Admin\AppData\Local\Temp\nFhtcaDO0bKG3ig.exe
        C:\Users\Admin\AppData\Local\Temp\nFhtcaDO0bKG3ig.exe
        3⤵
        • Executes dropped EXE
        • 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:1328
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /create /f /tn "DPI Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7FCA.tmp"
          4⤵
          • Creates scheduled task(s)
          PID:564
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /create /f /tn "DPI Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8180.tmp"
          4⤵
          • Creates scheduled task(s)
          PID:856
    • C:\Windows\CTS.exe
      "C:\Windows\CTS.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:2024

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\nFhtcaDO0bKG3ig.exe

    MD5

    ad87becb87d4e0d8b6e026219159e9ee

    SHA1

    b800f8be72d8cfd4710d2fe1947a3abc88489b19

    SHA256

    29cb152e132ba4da36eeda013e0f55845422246db700b7fabfdda1e49b71b464

    SHA512

    3adea41b7ec89df5b3ac28beb0e20654a9a0ed26d75916cdd729b4d38e9ded644bce053860670b5120e1fde6814972ecc3f4744e9d563ea2f044bcfd8aa3f3a2

  • C:\Users\Admin\AppData\Local\Temp\nFhtcaDO0bKG3ig.exe

    MD5

    ad87becb87d4e0d8b6e026219159e9ee

    SHA1

    b800f8be72d8cfd4710d2fe1947a3abc88489b19

    SHA256

    29cb152e132ba4da36eeda013e0f55845422246db700b7fabfdda1e49b71b464

    SHA512

    3adea41b7ec89df5b3ac28beb0e20654a9a0ed26d75916cdd729b4d38e9ded644bce053860670b5120e1fde6814972ecc3f4744e9d563ea2f044bcfd8aa3f3a2

  • C:\Users\Admin\AppData\Local\Temp\nFhtcaDO0bKG3ig.exe

    MD5

    ad87becb87d4e0d8b6e026219159e9ee

    SHA1

    b800f8be72d8cfd4710d2fe1947a3abc88489b19

    SHA256

    29cb152e132ba4da36eeda013e0f55845422246db700b7fabfdda1e49b71b464

    SHA512

    3adea41b7ec89df5b3ac28beb0e20654a9a0ed26d75916cdd729b4d38e9ded644bce053860670b5120e1fde6814972ecc3f4744e9d563ea2f044bcfd8aa3f3a2

  • C:\Users\Admin\AppData\Local\Temp\tmp7FCA.tmp

    MD5

    b655b02c24afc595f065b43e30c33e37

    SHA1

    3553b4addff24e106e3efe8174e81ed5d85e8a02

    SHA256

    bd6925b8c6389d64cc2a1168db66b783bdc564e683df6685dc793a896d5ef4ce

    SHA512

    7f8edd259a02af4bb05ce761db2d84fddc706a300318864f8d74800b217f71f6dc4455ac25e468a78a39066c58233d3a34da8422f457c79fd780b5cd47558723

  • C:\Users\Admin\AppData\Local\Temp\tmp8180.tmp

    MD5

    a9af285136db016a568e4a53208f21d0

    SHA1

    e1afef2b7ee8ae945353315daa19a15574b435b7

    SHA256

    7dce876e35550f4a5b8ce8a8bbab3b0ccd7c5b8660f9db4b832466b77e3a8b7c

    SHA512

    80a1f5e463a87cddc0f66336e2dc4262daf98984c6f6c662c3615d615ebe7c58677c3d694edb3bd7816ccee969aae967c7efe8526ba423f274ac1210c0c8bd6e

  • C:\Windows\CTS.exe

    MD5

    9471f0a5c13a6d9b41f142d876b46d86

    SHA1

    df13ce5f8351670562e1a312daad44783d2fa547

    SHA256

    a7d8a643f929a3d92bea8e707b6943a0b45e11731a9f29fb1c942bb4b3aff4a1

    SHA512

    34579c1b9eea8181fa7bf8e5ca5d7fd687395104aa9fe7f5f38e55f024e6b08e595bd896d76f5485bf72defb140a3d13bab7d84b1ad481f66860e51493db8c85

  • C:\Windows\CTS.exe

    MD5

    9471f0a5c13a6d9b41f142d876b46d86

    SHA1

    df13ce5f8351670562e1a312daad44783d2fa547

    SHA256

    a7d8a643f929a3d92bea8e707b6943a0b45e11731a9f29fb1c942bb4b3aff4a1

    SHA512

    34579c1b9eea8181fa7bf8e5ca5d7fd687395104aa9fe7f5f38e55f024e6b08e595bd896d76f5485bf72defb140a3d13bab7d84b1ad481f66860e51493db8c85

  • \Users\Admin\AppData\Local\Temp\nFhtcaDO0bKG3ig.exe

    MD5

    ad87becb87d4e0d8b6e026219159e9ee

    SHA1

    b800f8be72d8cfd4710d2fe1947a3abc88489b19

    SHA256

    29cb152e132ba4da36eeda013e0f55845422246db700b7fabfdda1e49b71b464

    SHA512

    3adea41b7ec89df5b3ac28beb0e20654a9a0ed26d75916cdd729b4d38e9ded644bce053860670b5120e1fde6814972ecc3f4744e9d563ea2f044bcfd8aa3f3a2

  • \Users\Admin\AppData\Local\Temp\nFhtcaDO0bKG3ig.exe

    MD5

    ad87becb87d4e0d8b6e026219159e9ee

    SHA1

    b800f8be72d8cfd4710d2fe1947a3abc88489b19

    SHA256

    29cb152e132ba4da36eeda013e0f55845422246db700b7fabfdda1e49b71b464

    SHA512

    3adea41b7ec89df5b3ac28beb0e20654a9a0ed26d75916cdd729b4d38e9ded644bce053860670b5120e1fde6814972ecc3f4744e9d563ea2f044bcfd8aa3f3a2

  • \Users\Admin\AppData\Local\Temp\nss698E.tmp\lzif.dll

    MD5

    dd633261c7161397c1b12fdecc998ca6

    SHA1

    c8cd6e6887d98e9a002524060811f1c4d77d7df4

    SHA256

    ba421cfcb6fef46bd0f3a24ef4640a1c844bfede46642c2a4c7552ecb5f38358

    SHA512

    c51aa33de9a73af3daeb380a1b36fe8bce849ade2c5f187cccf41e2cf150e179274d6a0aa854f38f005c5ce660a97592fe68d7ebf3c2731713133f0ec2a8de94

  • memory/564-82-0x0000000000000000-mapping.dmp

  • memory/856-84-0x0000000000000000-mapping.dmp

  • memory/1328-81-0x0000000004594000-0x0000000004595000-memory.dmp

    Filesize

    4KB

  • memory/1328-70-0x000000000040188B-mapping.dmp

  • memory/1328-76-0x0000000004460000-0x0000000004493000-memory.dmp

    Filesize

    204KB

  • memory/1328-78-0x0000000004591000-0x0000000004592000-memory.dmp

    Filesize

    4KB

  • memory/1328-79-0x0000000004592000-0x0000000004593000-memory.dmp

    Filesize

    4KB

  • memory/1328-80-0x0000000004593000-0x0000000004594000-memory.dmp

    Filesize

    4KB

  • memory/1328-88-0x0000000004570000-0x0000000004573000-memory.dmp

    Filesize

    12KB

  • memory/1328-75-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1328-87-0x0000000004F80000-0x0000000004F99000-memory.dmp

    Filesize

    100KB

  • memory/1328-86-0x0000000004560000-0x0000000004565000-memory.dmp

    Filesize

    20KB

  • memory/1988-61-0x0000000000000000-mapping.dmp

  • memory/1988-63-0x0000000076641000-0x0000000076643000-memory.dmp

    Filesize

    8KB

  • memory/1988-73-0x00000000024B0000-0x00000000030FA000-memory.dmp

    Filesize

    12.3MB

  • memory/2024-64-0x0000000000000000-mapping.dmp