Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    23/02/2025, 18:51

General

  • Target

    1d52c927094cc5862349a1b81ddaf10c.exe

  • Size

    988KB

  • MD5

    1d52c927094cc5862349a1b81ddaf10c

  • SHA1

    4f1038de14e08807f65ca8f240c034469c2479a0

  • SHA256

    da551ab6e000732499227a67f2be68d1256b58d95963a903cc316e2730db9d1e

  • SHA512

    7ce469e84160d9eac202c20f15bf008212cf681287055b5bacacd9ab6c18ad1ada8363db3b6a7601015caf231a00b9d29bf96b79bd43e01f5eca3e057667ec1e

  • SSDEEP

    12288:4rT5UqCUfsgddxK+0wC150c6QVSeNuQXeDPVmJiW0qWkdw+bezWMcsZI0Bz:4SDl15Fbtq0++buPay

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

lxtihmjohnson163.airdns.org:43366

Mutex

3740d544-7efc-40b2-8c32-f31974309f7d

Attributes
  • activate_away_mode

    true

  • backup_connection_host

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2024-10-21T12:36:42.768385536Z

  • 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

    43366

  • default_group

    JAMJAM01

  • 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

    3740d544-7efc-40b2-8c32-f31974309f7d

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    lxtihmjohnson163.airdns.org

  • primary_dns_server

    8.8.8.8

  • 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

Extracted

Family

xworm

Version

5.0

C2

tunhost.duckdns.org:57891

wintun.freemyip.com:57891

87.249.134.68:57891

Attributes
  • install_file

    琀㴀Ā ☀☀ �䔗渀瘀椀爀漀渀洀攀渀琀�眍椀渀搀椀爀�瀝漀眀攀爀猀栀攀氀氀⸀攀砀攀�醀-C schtasks.exe

aes.plain

Signatures

  • Detect Xworm Payload 3 IoCs
  • NanoCore

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

  • Nanocore family
  • UAC bypass 3 TTPs 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Checks BIOS information in registry 2 TTPs 1 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies registry key 1 TTPs 1 IoCs
  • Modifies system certificate store 2 TTPs 13 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious behavior: SetClipboardViewer 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1d52c927094cc5862349a1b81ddaf10c.exe
    "C:\Users\Admin\AppData\Local\Temp\1d52c927094cc5862349a1b81ddaf10c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2156
    • C:\Users\Admin\AppData\Local\Temp\1d52c927094cc5862349a1b81ddaf10c.exe
      "C:\Users\Admin\AppData\Local\Temp\1d52c927094cc5862349a1b81ddaf10c.exe"
      2⤵
      • Drops startup file
      • Loads dropped DLL
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2780
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "UDP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp4B62.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2764
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "UDP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp4C1E.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2660
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\winlogon.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\winlogon.exe"
        3⤵
        • Checks BIOS information in registry
        • Executes dropped EXE
        • Checks whether UAC is enabled
        • System Location Discovery: System Language Discovery
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious behavior: SetClipboardViewer
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2916
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /delete /f /tn "Microsoft\Windows\Client Server Runtime Process"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2868
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /create /f /tn "Microsoft\Windows\Client Server Runtime Process" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7436.tmp"
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:2344
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\wanhost.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\wanhost.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:1620
      • C:\Windows\SysWOW64\reg.exe
        "reg.exe" ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
        3⤵
        • UAC bypass
        • System Location Discovery: System Language Discovery
        • Modifies registry key
        PID:924

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    3225c738da68c668f57d3d2fe42218c8

    SHA1

    aeb0fee82ebd82fe06b2c5f96c2a8d45eea00aa2

    SHA256

    a9d39065c751659fab819e5345c037aa49fe5346acf0d5cd09f4cc6e24cdd54a

    SHA512

    9ee72f331f2f44745f85d452b1d412e00e6ecd0ab827b93e16dba3f1a7739e7155d7d6dddf15e3e4c3993a398dcf345f5c9ba6165bbb7ab4db8dfa492ec3c0d2

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    ceee5cef13e16b4e0d6d0c8c48aacd35

    SHA1

    5af3255a7bf777a7667f8f79a1ef6bbd461e5974

    SHA256

    df8d67f0beacc6a5c72ade05dfa68ce047ecd36b41e2481e5aa86c75b67d9727

    SHA512

    88992c0be367b958a915e12f52df194ae1784daebe1e990dab365a1b6334f902f8e035125deaf3c4957e30a90d7e8aad64a080fea67803f5b3fd968905e9e395

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    a44b2c5c258bdab1d5250b6716a1f2b9

    SHA1

    113c08b6f624ddf0a7c359bb1e6241f227da83e1

    SHA256

    eac156310460e43c98e728be09fa18dc9ae3397008c60ba8a392f5534a3935bd

    SHA512

    b1006126eb037fa57299ac815b61357aab0eb855c8482028a1987acd76516233471229701b3e9b4ab72ea1d79897e5d3d6bbac1e7d06fc6933d5e0d5c64d57db

  • C:\Users\Admin\AppData\Local\Temp\Cab6EAF.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar6EC1.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Admin\AppData\Local\Temp\tmp4B62.tmp

    Filesize

    1KB

    MD5

    c5294abdc5d48ad2cfc408919358ecea

    SHA1

    6cdac5fd37dc54fa66178d77f6a7c9334b2dcc43

    SHA256

    8a74ba61a288c81c96f06f5d3bfcdc9019c7b9895e6cd898ca68f7aa44812934

    SHA512

    4063b221df0512fd4eb570c4b061d1114ed2e773459aca5d840b6628c7feaf6f796b875330cfae616e8ecf7711fe297ed4737c7ddae2168cc390ef993115a859

  • C:\Users\Admin\AppData\Local\Temp\tmp4C1E.tmp

    Filesize

    1KB

    MD5

    0a24db62cb5b84309c4803346caaa25d

    SHA1

    67660778f61bb44168c33ed3fe56ed86cf9583e8

    SHA256

    38d38647af394a04ee6add9f05c43244f04e64a6b96257f4b241a5038efa82df

    SHA512

    d25d9df063f44595d5e0bf890755bd387655131ff369eeedf3d11ffcc6202ca4455bbb33a8a926dd06839cbd1ddec3d06809b3c66a82c6518aa14beaa469a548

  • C:\Users\Admin\AppData\Local\Temp\tmp7436.tmp

    Filesize

    1KB

    MD5

    55f737e134714dd479fb8d4417a14df5

    SHA1

    4195b4131fb1215140baaaf5a6d8e26f305572af

    SHA256

    f306ee4e70a9dd3281131c476541b78f8cbe387a8a507f3b98a48ef34ecf2835

    SHA512

    446fa2af1cfb7057fd96fbaa26b4dcec67427399c8859c85ed11d5fb7b64f6abca39581faa2f17ca32c5e57759a448266d4be6af39e730d5e596cc41701fd1bf

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\wanhost.exe

    Filesize

    32KB

    MD5

    bb88af07d7f92e77086eb2a090b508fd

    SHA1

    2fcf43147b61ed5c8e1d7d46398eb3749e649e78

    SHA256

    77ce6f10d6034a1d7ab7768278cf8322b719729f612e6afe8cff72cb637cd6ec

    SHA512

    7a41def72de640dbf057c41971b02213e75202a1863b41491e36644da17bcbfb16c41ae6c6af121b5b2f7fee4f0608f867a404f1bbbf8db5dc9444978868f7c3

  • \Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\winlogon.exe

    Filesize

    191KB

    MD5

    ed3b00caa7c83ab730df4a14aeb5d6bf

    SHA1

    453eeebd3cd4a0faf5e7eca63ea6cdb0ed96971a

    SHA256

    456b4cf130884ff7283aa415425ff6e3f6c610211bc7504e41bba9346dacd827

    SHA512

    fb64f0d53215cfcbd18f9de977e2f41323192b9329e67f7c26f53692970a2688f0a6a80f836c073945404e84364620f49790b22499bbf65c904341b90ccba954

  • memory/1620-172-0x00000000013B0000-0x00000000013BE000-memory.dmp

    Filesize

    56KB

  • memory/2156-20-0x0000000073D10000-0x00000000743FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2156-0-0x0000000073D1E000-0x0000000073D1F000-memory.dmp

    Filesize

    4KB

  • memory/2156-6-0x0000000000340000-0x00000000003BE000-memory.dmp

    Filesize

    504KB

  • memory/2156-5-0x0000000073D10000-0x00000000743FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2156-4-0x0000000073D1E000-0x0000000073D1F000-memory.dmp

    Filesize

    4KB

  • memory/2156-3-0x0000000000520000-0x000000000053E000-memory.dmp

    Filesize

    120KB

  • memory/2156-2-0x0000000073D10000-0x00000000743FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2156-1-0x0000000000CC0000-0x0000000000DBE000-memory.dmp

    Filesize

    1016KB

  • memory/2780-17-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2780-11-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2780-32-0x0000000000440000-0x000000000044A000-memory.dmp

    Filesize

    40KB

  • memory/2780-30-0x00000000003D0000-0x00000000003DA000-memory.dmp

    Filesize

    40KB

  • memory/2780-35-0x0000000000700000-0x0000000000712000-memory.dmp

    Filesize

    72KB

  • memory/2780-36-0x00000000009A0000-0x00000000009BA000-memory.dmp

    Filesize

    104KB

  • memory/2780-37-0x0000000000AE0000-0x0000000000AF2000-memory.dmp

    Filesize

    72KB

  • memory/2780-38-0x0000000000B40000-0x0000000000B4E000-memory.dmp

    Filesize

    56KB

  • memory/2780-39-0x00000000021C0000-0x0000000002204000-memory.dmp

    Filesize

    272KB

  • memory/2780-40-0x0000000073D10000-0x00000000743FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2780-9-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2780-31-0x00000000003E0000-0x00000000003FE000-memory.dmp

    Filesize

    120KB

  • memory/2780-12-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2780-22-0x0000000073D10000-0x00000000743FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2780-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2780-21-0x0000000073D10000-0x00000000743FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2780-188-0x0000000073D10000-0x00000000743FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2780-19-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2780-15-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2780-7-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2780-336-0x0000000000C60000-0x0000000000C74000-memory.dmp

    Filesize

    80KB

  • memory/2780-337-0x0000000000C70000-0x0000000000C7E000-memory.dmp

    Filesize

    56KB

  • memory/2780-338-0x0000000000C80000-0x0000000000CAE000-memory.dmp

    Filesize

    184KB

  • memory/2780-339-0x0000000000CB0000-0x0000000000CC4000-memory.dmp

    Filesize

    80KB