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Analysis

  • max time kernel
    149s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/09/2024, 01:13

General

  • Target

    3a5134cc11c7c47b7268e7bf6bf1556c5ff5044af54b7931cae652bfd8d83717.exe

  • Size

    2.3MB

  • MD5

    01e7e40055d24780359493decf90ac21

  • SHA1

    b59b66a3af3a9920b7de22975997a1ec1e4d5528

  • SHA256

    3a5134cc11c7c47b7268e7bf6bf1556c5ff5044af54b7931cae652bfd8d83717

  • SHA512

    d6069f19cb7acafe771abd095ac9de17767f31dad21951488dd91b56eec65674033e7aad25d038a4f1cd067e1e7fe91f1e8d9bfcf75c593209befe876ac9ffc1

  • SSDEEP

    24576:RGvPRpFuolzFPJ+l3Drhea534ESvFpLa35sfp+ee:

Malware Config

Extracted

Family

xworm

Version

5.0

C2

airlineagancy.casacam.net:7076

Mutex

BGCigTdLypaes6Nr

Attributes
  • install_file

    USB.exe

aes.plain

Extracted

Family

nanocore

Version

1.2.2.0

C2

jacksonnnn233.theworkpc.com:65535

Mutex

7065c9a5-e7ef-4b4a-9ad2-3b36dc826073

Attributes
  • activate_away_mode

    true

  • backup_connection_host

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2024-05-24T01:53:26.806116836Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    65535

  • default_group

    JksonN

  • 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

    7065c9a5-e7ef-4b4a-9ad2-3b36dc826073

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    jacksonnnn233.theworkpc.com

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    true

  • set_critical_process

    true

  • timeout_interval

    5000

  • use_custom_dns_server

    false

  • version

    1.2.2.0

  • wan_timeout

    8000

Signatures

  • Detect Xworm Payload 2 IoCs
  • NanoCore

    NanoCore is a remote access tool (RAT) with a variety of capabilities.

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3448
      • C:\Users\Admin\AppData\Local\Temp\3a5134cc11c7c47b7268e7bf6bf1556c5ff5044af54b7931cae652bfd8d83717.exe
        "C:\Users\Admin\AppData\Local\Temp\3a5134cc11c7c47b7268e7bf6bf1556c5ff5044af54b7931cae652bfd8d83717.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Checks computer location settings
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1196
        • C:\Users\Admin\AppData\Local\Temp\airlineagancy.casacam.net 7076.exe
          "C:\Users\Admin\AppData\Local\Temp\airlineagancy.casacam.net 7076.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:4184
      • C:\Users\Admin\AppData\Local\Temp\3a5134cc11c7c47b7268e7bf6bf1556c5ff5044af54b7931cae652bfd8d83717.exe
        "C:\Users\Admin\AppData\Local\Temp\3a5134cc11c7c47b7268e7bf6bf1556c5ff5044af54b7931cae652bfd8d83717.exe"
        2⤵
        • Checks whether UAC is enabled
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:3956

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\airlineagancy.casacam.net 7076.exe

      Filesize

      32KB

      MD5

      85992141e0054144793b0767444aa3e0

      SHA1

      8db16cf0596aa7b0794bf38397e8876f9cd7ac4d

      SHA256

      62138a28be6583227c33e709d31064416b7009a8a66830229aa509832706fe42

      SHA512

      f0bf5714197b30dbd03c385b4e560695d5ea9fc18c268354c077f846701106e8d530a65c1a89b1096aa7f45232ac771603c58077bd2b603fb637f357bedb4c6e

    • memory/1196-1078-0x0000000075160000-0x0000000075910000-memory.dmp

      Filesize

      7.7MB

    • memory/1196-34-0x0000000005130000-0x0000000005245000-memory.dmp

      Filesize

      1.1MB

    • memory/1196-2-0x0000000005130000-0x000000000524A000-memory.dmp

      Filesize

      1.1MB

    • memory/1196-4-0x0000000005130000-0x0000000005245000-memory.dmp

      Filesize

      1.1MB

    • memory/1196-8-0x0000000005130000-0x0000000005245000-memory.dmp

      Filesize

      1.1MB

    • memory/1196-18-0x0000000005130000-0x0000000005245000-memory.dmp

      Filesize

      1.1MB

    • memory/1196-48-0x0000000005130000-0x0000000005245000-memory.dmp

      Filesize

      1.1MB

    • memory/1196-32-0x0000000005130000-0x0000000005245000-memory.dmp

      Filesize

      1.1MB

    • memory/1196-52-0x0000000005130000-0x0000000005245000-memory.dmp

      Filesize

      1.1MB

    • memory/1196-66-0x0000000005130000-0x0000000005245000-memory.dmp

      Filesize

      1.1MB

    • memory/1196-64-0x0000000005130000-0x0000000005245000-memory.dmp

      Filesize

      1.1MB

    • memory/1196-62-0x0000000005130000-0x0000000005245000-memory.dmp

      Filesize

      1.1MB

    • memory/1196-1077-0x0000000075160000-0x0000000075910000-memory.dmp

      Filesize

      7.7MB

    • memory/1196-58-0x0000000005130000-0x0000000005245000-memory.dmp

      Filesize

      1.1MB

    • memory/1196-56-0x0000000005130000-0x0000000005245000-memory.dmp

      Filesize

      1.1MB

    • memory/1196-54-0x0000000005130000-0x0000000005245000-memory.dmp

      Filesize

      1.1MB

    • memory/1196-50-0x0000000005130000-0x0000000005245000-memory.dmp

      Filesize

      1.1MB

    • memory/1196-46-0x0000000005130000-0x0000000005245000-memory.dmp

      Filesize

      1.1MB

    • memory/1196-44-0x0000000005130000-0x0000000005245000-memory.dmp

      Filesize

      1.1MB

    • memory/1196-42-0x0000000005130000-0x0000000005245000-memory.dmp

      Filesize

      1.1MB

    • memory/1196-40-0x0000000005130000-0x0000000005245000-memory.dmp

      Filesize

      1.1MB

    • memory/1196-38-0x0000000005130000-0x0000000005245000-memory.dmp

      Filesize

      1.1MB

    • memory/1196-36-0x0000000005130000-0x0000000005245000-memory.dmp

      Filesize

      1.1MB

    • memory/1196-0-0x000000007516E000-0x000000007516F000-memory.dmp

      Filesize

      4KB

    • memory/1196-30-0x0000000005130000-0x0000000005245000-memory.dmp

      Filesize

      1.1MB

    • memory/1196-28-0x0000000005130000-0x0000000005245000-memory.dmp

      Filesize

      1.1MB

    • memory/1196-26-0x0000000005130000-0x0000000005245000-memory.dmp

      Filesize

      1.1MB

    • memory/1196-24-0x0000000005130000-0x0000000005245000-memory.dmp

      Filesize

      1.1MB

    • memory/1196-22-0x0000000005130000-0x0000000005245000-memory.dmp

      Filesize

      1.1MB

    • memory/1196-16-0x0000000005130000-0x0000000005245000-memory.dmp

      Filesize

      1.1MB

    • memory/1196-14-0x0000000005130000-0x0000000005245000-memory.dmp

      Filesize

      1.1MB

    • memory/1196-12-0x0000000005130000-0x0000000005245000-memory.dmp

      Filesize

      1.1MB

    • memory/1196-10-0x0000000005130000-0x0000000005245000-memory.dmp

      Filesize

      1.1MB

    • memory/1196-20-0x0000000005130000-0x0000000005245000-memory.dmp

      Filesize

      1.1MB

    • memory/1196-6-0x0000000005130000-0x0000000005245000-memory.dmp

      Filesize

      1.1MB

    • memory/1196-3-0x0000000005130000-0x0000000005245000-memory.dmp

      Filesize

      1.1MB

    • memory/1196-60-0x0000000005130000-0x0000000005245000-memory.dmp

      Filesize

      1.1MB

    • memory/1196-1-0x0000000000430000-0x0000000000676000-memory.dmp

      Filesize

      2.3MB

    • memory/1196-1079-0x00000000052F0000-0x0000000005384000-memory.dmp

      Filesize

      592KB

    • memory/1196-1080-0x0000000005390000-0x00000000053DC000-memory.dmp

      Filesize

      304KB

    • memory/1196-1084-0x0000000075160000-0x0000000075910000-memory.dmp

      Filesize

      7.7MB

    • memory/1196-1085-0x0000000075160000-0x0000000075910000-memory.dmp

      Filesize

      7.7MB

    • memory/1196-1086-0x000000007516E000-0x000000007516F000-memory.dmp

      Filesize

      4KB

    • memory/1196-1100-0x0000000007630000-0x0000000007BD4000-memory.dmp

      Filesize

      5.6MB

    • memory/1196-1101-0x0000000005670000-0x00000000056C4000-memory.dmp

      Filesize

      336KB

    • memory/1196-1104-0x0000000075160000-0x0000000075910000-memory.dmp

      Filesize

      7.7MB

    • memory/3956-1106-0x0000000000400000-0x0000000000466000-memory.dmp

      Filesize

      408KB

    • memory/3956-1123-0x0000000006EF0000-0x0000000006EFC000-memory.dmp

      Filesize

      48KB

    • memory/3956-1107-0x0000000005890000-0x0000000005922000-memory.dmp

      Filesize

      584KB

    • memory/3956-1108-0x0000000005930000-0x00000000059CC000-memory.dmp

      Filesize

      624KB

    • memory/3956-1110-0x0000000005830000-0x000000000583A000-memory.dmp

      Filesize

      40KB

    • memory/3956-1109-0x0000000075160000-0x0000000075910000-memory.dmp

      Filesize

      7.7MB

    • memory/3956-1111-0x00000000059F0000-0x00000000059F8000-memory.dmp

      Filesize

      32KB

    • memory/3956-1113-0x0000000005A50000-0x0000000005A5A000-memory.dmp

      Filesize

      40KB

    • memory/3956-1114-0x0000000005D80000-0x0000000005D9E000-memory.dmp

      Filesize

      120KB

    • memory/3956-1115-0x0000000006600000-0x000000000660A000-memory.dmp

      Filesize

      40KB

    • memory/3956-1118-0x0000000006E70000-0x0000000006E7C000-memory.dmp

      Filesize

      48KB

    • memory/3956-1119-0x0000000006E80000-0x0000000006E9A000-memory.dmp

      Filesize

      104KB

    • memory/3956-1120-0x0000000006EB0000-0x0000000006EBE000-memory.dmp

      Filesize

      56KB

    • memory/3956-1121-0x0000000006EC0000-0x0000000006ED2000-memory.dmp

      Filesize

      72KB

    • memory/3956-1122-0x0000000006EE0000-0x0000000006EEE000-memory.dmp

      Filesize

      56KB

    • memory/3956-1105-0x000000007516E000-0x000000007516F000-memory.dmp

      Filesize

      4KB

    • memory/3956-1124-0x0000000006F00000-0x0000000006F14000-memory.dmp

      Filesize

      80KB

    • memory/3956-1125-0x0000000006F20000-0x0000000006F30000-memory.dmp

      Filesize

      64KB

    • memory/3956-1126-0x0000000006F30000-0x0000000006F44000-memory.dmp

      Filesize

      80KB

    • memory/3956-1127-0x0000000006F40000-0x0000000006F4E000-memory.dmp

      Filesize

      56KB

    • memory/3956-1128-0x0000000006F60000-0x0000000006F8E000-memory.dmp

      Filesize

      184KB

    • memory/3956-1129-0x0000000006F90000-0x0000000006FA4000-memory.dmp

      Filesize

      80KB

    • memory/3956-1130-0x00000000073E0000-0x0000000007446000-memory.dmp

      Filesize

      408KB

    • memory/3956-1134-0x000000007516E000-0x000000007516F000-memory.dmp

      Filesize

      4KB

    • memory/3956-1135-0x0000000075160000-0x0000000075910000-memory.dmp

      Filesize

      7.7MB

    • memory/4184-1099-0x0000000000430000-0x000000000043E000-memory.dmp

      Filesize

      56KB

    • memory/4184-1131-0x0000000000C80000-0x0000000000C90000-memory.dmp

      Filesize

      64KB

    • memory/4184-1098-0x00007FFA1F6C3000-0x00007FFA1F6C5000-memory.dmp

      Filesize

      8KB

    • memory/4184-1133-0x00007FFA1F6C3000-0x00007FFA1F6C5000-memory.dmp

      Filesize

      8KB

    • memory/4184-1136-0x0000000000C80000-0x0000000000C90000-memory.dmp

      Filesize

      64KB