Analysis
-
max time kernel
148s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
11-05-2024 08:37
Static task
static1
Behavioral task
behavioral1
Sample
ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
Resource
win7-20240508-en
General
-
Target
ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
-
Size
945KB
-
MD5
a1f6c95a377a8c4c194a018614a6b463
-
SHA1
cd8ce511a2ac57aec39892c0b27832a18e77fc39
-
SHA256
ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c
-
SHA512
fb93341612485022964338a421fbf6a77876d1efc492307e18a4fa28354643f8675cf685847ee8ffc9315232449f1c6b8aab674bb2beb0dc5e14ca6e020510a5
-
SSDEEP
12288:gI0MYBl4BwkivLUyyqexCwG879IO0MgsaQ/nsy9LHr24HwmU3V50:50MYfMweyTivP7yO7aQ/nsWRQJV5
Malware Config
Extracted
nanocore
1.2.2.0
december2nd.ddns.net:65024
december2n.duckdns.org:65024
2c009a56-c28c-48f4-8875-acf9e1222e9f
-
activate_away_mode
false
-
backup_connection_host
december2n.duckdns.org
- backup_dns_server
-
buffer_size
65535
-
build_time
2024-02-17T09:12:36.211032636Z
-
bypass_user_account_control
false
-
bypass_user_account_control_data
PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTE2Ij8+DQo8VGFzayB2ZXJzaW9uPSIxLjIiIHhtbG5zPSJodHRwOi8vc2NoZW1hcy5taWNyb3NvZnQuY29tL3dpbmRvd3MvMjAwNC8wMi9taXQvdGFzayI+DQogIDxSZWdpc3RyYXRpb25JbmZvIC8+DQogIDxUcmlnZ2VycyAvPg0KICA8UHJpbmNpcGFscz4NCiAgICA8UHJpbmNpcGFsIGlkPSJBdXRob3IiPg0KICAgICAgPExvZ29uVHlwZT5JbnRlcmFjdGl2ZVRva2VuPC9Mb2dvblR5cGU+DQogICAgICA8UnVuTGV2ZWw+SGlnaGVzdEF2YWlsYWJsZTwvUnVuTGV2ZWw+DQogICAgPC9QcmluY2lwYWw+DQogIDwvUHJpbmNpcGFscz4NCiAgPFNldHRpbmdzPg0KICAgIDxNdWx0aXBsZUluc3RhbmNlc1BvbGljeT5QYXJhbGxlbDwvTXVsdGlwbGVJbnN0YW5jZXNQb2xpY3k+DQogICAgPERpc2FsbG93U3RhcnRJZk9uQmF0dGVyaWVzPmZhbHNlPC9EaXNhbGxvd1N0YXJ0SWZPbkJhdHRlcmllcz4NCiAgICA8U3RvcElmR29pbmdPbkJhdHRlcmllcz5mYWxzZTwvU3RvcElmR29pbmdPbkJhdHRlcmllcz4NCiAgICA8QWxsb3dIYXJkVGVybWluYXRlPnRydWU8L0FsbG93SGFyZFRlcm1pbmF0ZT4NCiAgICA8U3RhcnRXaGVuQXZhaWxhYmxlPmZhbHNlPC9TdGFydFdoZW5BdmFpbGFibGU+DQogICAgPFJ1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+ZmFsc2U8L1J1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+DQogICAgPElkbGVTZXR0aW5ncz4NCiAgICAgIDxTdG9wT25JZGxlRW5kPmZhbHNlPC9TdG9wT25JZGxlRW5kPg0KICAgICAgPFJlc3RhcnRPbklkbGU+ZmFsc2U8L1Jlc3RhcnRPbklkbGU+DQogICAgPC9JZGxlU2V0dGluZ3M+DQogICAgPEFsbG93U3RhcnRPbkRlbWFuZD50cnVlPC9BbGxvd1N0YXJ0T25EZW1hbmQ+DQogICAgPEVuYWJsZWQ+dHJ1ZTwvRW5hYmxlZD4NCiAgICA8SGlkZGVuPmZhbHNlPC9IaWRkZW4+DQogICAgPFJ1bk9ubHlJZklkbGU+ZmFsc2U8L1J1bk9ubHlJZklkbGU+DQogICAgPFdha2VUb1J1bj5mYWxzZTwvV2FrZVRvUnVuPg0KICAgIDxFeGVjdXRpb25UaW1lTGltaXQ+UFQwUzwvRXhlY3V0aW9uVGltZUxpbWl0Pg0KICAgIDxQcmlvcml0eT40PC9Qcmlvcml0eT4NCiAgPC9TZXR0aW5ncz4NCiAgPEFjdGlvbnMgQ29udGV4dD0iQXV0aG9yIj4NCiAgICA8RXhlYz4NCiAgICAgIDxDb21tYW5kPiIjRVhFQ1VUQUJMRVBBVEgiPC9Db21tYW5kPg0KICAgICAgPEFyZ3VtZW50cz4kKEFyZzApPC9Bcmd1bWVudHM+DQogICAgPC9FeGVjPg0KICA8L0FjdGlvbnM+DQo8L1Rhc2s+
-
clear_access_control
false
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
65024
-
default_group
NO GREE
-
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
2c009a56-c28c-48f4-8875-acf9e1222e9f
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
december2nd.ddns.net
- primary_dns_server
-
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
-
Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
Processes:
powershell.exepowershell.exepid process 2736 powershell.exe 2644 powershell.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
RegSvcs.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ARP Host = "C:\\Program Files (x86)\\ARP Host\\arphost.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exedescription pid process target process PID 1276 set thread context of 2588 1276 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe -
Drops file in Program Files directory 2 IoCs
Processes:
RegSvcs.exedescription ioc process File created C:\Program Files (x86)\ARP Host\arphost.exe RegSvcs.exe File opened for modification C:\Program Files (x86)\ARP Host\arphost.exe RegSvcs.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exeschtasks.exepid process 2808 schtasks.exe 1748 schtasks.exe 2832 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
Processes:
ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exepowershell.exepowershell.exeRegSvcs.exepid process 1276 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 1276 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 1276 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 1276 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 1276 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 1276 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 1276 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 1276 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 2736 powershell.exe 2644 powershell.exe 1276 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 2588 RegSvcs.exe 2588 RegSvcs.exe 2588 RegSvcs.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
RegSvcs.exepid process 2588 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exepowershell.exepowershell.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 1276 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe Token: SeDebugPrivilege 2736 powershell.exe Token: SeDebugPrivilege 2644 powershell.exe Token: SeDebugPrivilege 2588 RegSvcs.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exeRegSvcs.exedescription pid process target process PID 1276 wrote to memory of 2736 1276 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe powershell.exe PID 1276 wrote to memory of 2736 1276 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe powershell.exe PID 1276 wrote to memory of 2736 1276 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe powershell.exe PID 1276 wrote to memory of 2736 1276 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe powershell.exe PID 1276 wrote to memory of 2644 1276 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe powershell.exe PID 1276 wrote to memory of 2644 1276 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe powershell.exe PID 1276 wrote to memory of 2644 1276 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe powershell.exe PID 1276 wrote to memory of 2644 1276 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe powershell.exe PID 1276 wrote to memory of 2808 1276 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe schtasks.exe PID 1276 wrote to memory of 2808 1276 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe schtasks.exe PID 1276 wrote to memory of 2808 1276 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe schtasks.exe PID 1276 wrote to memory of 2808 1276 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe schtasks.exe PID 1276 wrote to memory of 2576 1276 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe PID 1276 wrote to memory of 2576 1276 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe PID 1276 wrote to memory of 2576 1276 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe PID 1276 wrote to memory of 2576 1276 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe PID 1276 wrote to memory of 2576 1276 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe PID 1276 wrote to memory of 2576 1276 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe PID 1276 wrote to memory of 2576 1276 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe PID 1276 wrote to memory of 2588 1276 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe PID 1276 wrote to memory of 2588 1276 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe PID 1276 wrote to memory of 2588 1276 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe PID 1276 wrote to memory of 2588 1276 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe PID 1276 wrote to memory of 2588 1276 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe PID 1276 wrote to memory of 2588 1276 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe PID 1276 wrote to memory of 2588 1276 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe PID 1276 wrote to memory of 2588 1276 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe PID 1276 wrote to memory of 2588 1276 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe PID 1276 wrote to memory of 2588 1276 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe PID 1276 wrote to memory of 2588 1276 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe PID 1276 wrote to memory of 2588 1276 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe PID 2588 wrote to memory of 1748 2588 RegSvcs.exe schtasks.exe PID 2588 wrote to memory of 1748 2588 RegSvcs.exe schtasks.exe PID 2588 wrote to memory of 1748 2588 RegSvcs.exe schtasks.exe PID 2588 wrote to memory of 1748 2588 RegSvcs.exe schtasks.exe PID 2588 wrote to memory of 2832 2588 RegSvcs.exe schtasks.exe PID 2588 wrote to memory of 2832 2588 RegSvcs.exe schtasks.exe PID 2588 wrote to memory of 2832 2588 RegSvcs.exe schtasks.exe PID 2588 wrote to memory of 2832 2588 RegSvcs.exe schtasks.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe"C:\Users\Admin\AppData\Local\Temp\ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
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\ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\fupTmRCVq.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fupTmRCVq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6401.tmp"2⤵
- Creates scheduled task(s)
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "ARP Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp674B.tmp"3⤵
- Creates scheduled task(s)
-
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "ARP Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp67E8.tmp"3⤵
- Creates scheduled task(s)
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\tmp6401.tmpFilesize
1KB
MD52d3ee718c64e7fee2cb124f69a49ebcf
SHA1e83c9878aa552893736434af4f49051cfa1b1bd3
SHA256226218576c8a2d68d91bd08db88af98e99d3e1ec7830d041d286a898accde770
SHA51203c9bb80bb175e75ef00c2de1d621f08ad96c077181357a5df8a498c4b6bcb991c45c7555336d81c156a6a730f9182736c89dca19df4c4616c83a3cb652ff083
-
C:\Users\Admin\AppData\Local\Temp\tmp674B.tmpFilesize
1KB
MD58cad1b41587ced0f1e74396794f31d58
SHA111054bf74fcf5e8e412768035e4dae43aa7b710f
SHA2563086d914f6b23268f8a12cb1a05516cd5465c2577e1d1e449f1b45c8e5e8f83c
SHA51299c2ef89029de51a866df932841684b7fc912df21e10e2dd0d09e400203bbdc6cba6319a31780b7bf8b286d2cea8ea3fc7d084348bf2f002ab4f5a34218ccbef
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C:\Users\Admin\AppData\Local\Temp\tmp67E8.tmpFilesize
1KB
MD5447ab194ab36cb1d20078d80e502b1b2
SHA1a947b3b2c91d7c50bb8d39bd4fc91a0d0cc5b1c0
SHA2568d5304b20b7d7dea223ce2738e5668054250d57bf6bed86b305b69924bd472f5
SHA51249ddc557f7f6635627eea9bf0fa12a14b7b13edb235ed560ee0044a7f87fe27b686ff878d347d0273d92eb0b318b8c2bca85c0fbf42d586ed7d7da39eac6a327
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\O7Z5IXIMH4XE3GLENL56.tempFilesize
7KB
MD5575e8597f0b98f292a9dcd16cccfde31
SHA1f13366909f6ae0a8ccc19b637307f2c4cdaf0176
SHA256e1690961300d1672a439007b823c1080a0caca03cdf403da7c1ff127381628c8
SHA5120cbe69a091ecedbe7a6a186f5fc9ceb5464509ddc1def42baa8a6f94225d88f0393fad3c630e25c03f82eef63b588da5fcba3d14fa07266adac491c1153052c3
-
memory/1276-32-0x0000000074480000-0x0000000074B6E000-memory.dmpFilesize
6.9MB
-
memory/1276-0-0x000000007448E000-0x000000007448F000-memory.dmpFilesize
4KB
-
memory/1276-6-0x0000000005410000-0x000000000548C000-memory.dmpFilesize
496KB
-
memory/1276-4-0x0000000000740000-0x0000000000750000-memory.dmpFilesize
64KB
-
memory/1276-3-0x0000000000690000-0x00000000006AE000-memory.dmpFilesize
120KB
-
memory/1276-19-0x000000007448E000-0x000000007448F000-memory.dmpFilesize
4KB
-
memory/1276-5-0x0000000000750000-0x0000000000766000-memory.dmpFilesize
88KB
-
memory/1276-1-0x00000000001A0000-0x0000000000292000-memory.dmpFilesize
968KB
-
memory/1276-2-0x0000000074480000-0x0000000074B6E000-memory.dmpFilesize
6.9MB
-
memory/2588-22-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
-
memory/2588-29-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
-
memory/2588-31-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
-
memory/2588-30-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
-
memory/2588-26-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
-
memory/2588-20-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
-
memory/2588-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB
-
memory/2588-24-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
-
memory/2588-40-0x00000000004A0000-0x00000000004AA000-memory.dmpFilesize
40KB
-
memory/2588-41-0x00000000004B0000-0x00000000004BC000-memory.dmpFilesize
48KB
-
memory/2588-42-0x00000000005C0000-0x00000000005DE000-memory.dmpFilesize
120KB
-
memory/2588-43-0x00000000006E0000-0x00000000006EA000-memory.dmpFilesize
40KB