Analysis
-
max time kernel
148s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
11-05-2024 08:37
Static task
static1
Behavioral task
behavioral1
Sample
ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
Resource
win7-20240220-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
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
-
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 2608 powershell.exe 2392 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\TCP Subsystem = "C:\\Program Files (x86)\\TCP Subsystem\\tcpss.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exedescription pid process target process PID 2192 set thread context of 2508 2192 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe -
Drops file in Program Files directory 2 IoCs
Processes:
RegSvcs.exedescription ioc process File created C:\Program Files (x86)\TCP Subsystem\tcpss.exe RegSvcs.exe File opened for modification C:\Program Files (x86)\TCP Subsystem\tcpss.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 2260 schtasks.exe 2612 schtasks.exe 2708 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
Processes:
ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exepowershell.exepowershell.exeRegSvcs.exepid process 2192 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 2192 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 2192 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 2192 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 2192 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 2192 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 2192 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 2392 powershell.exe 2608 powershell.exe 2508 RegSvcs.exe 2508 RegSvcs.exe 2508 RegSvcs.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
RegSvcs.exepid process 2508 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exepowershell.exepowershell.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 2192 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe Token: SeDebugPrivilege 2392 powershell.exe Token: SeDebugPrivilege 2608 powershell.exe Token: SeDebugPrivilege 2508 RegSvcs.exe -
Suspicious use of WriteProcessMemory 32 IoCs
Processes:
ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exeRegSvcs.exedescription pid process target process PID 2192 wrote to memory of 2608 2192 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe powershell.exe PID 2192 wrote to memory of 2608 2192 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe powershell.exe PID 2192 wrote to memory of 2608 2192 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe powershell.exe PID 2192 wrote to memory of 2608 2192 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe powershell.exe PID 2192 wrote to memory of 2392 2192 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe powershell.exe PID 2192 wrote to memory of 2392 2192 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe powershell.exe PID 2192 wrote to memory of 2392 2192 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe powershell.exe PID 2192 wrote to memory of 2392 2192 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe powershell.exe PID 2192 wrote to memory of 2260 2192 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe schtasks.exe PID 2192 wrote to memory of 2260 2192 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe schtasks.exe PID 2192 wrote to memory of 2260 2192 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe schtasks.exe PID 2192 wrote to memory of 2260 2192 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe schtasks.exe PID 2192 wrote to memory of 2508 2192 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe PID 2192 wrote to memory of 2508 2192 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe PID 2192 wrote to memory of 2508 2192 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe PID 2192 wrote to memory of 2508 2192 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe PID 2192 wrote to memory of 2508 2192 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe PID 2192 wrote to memory of 2508 2192 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe PID 2192 wrote to memory of 2508 2192 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe PID 2192 wrote to memory of 2508 2192 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe PID 2192 wrote to memory of 2508 2192 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe PID 2192 wrote to memory of 2508 2192 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe PID 2192 wrote to memory of 2508 2192 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe PID 2192 wrote to memory of 2508 2192 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe PID 2508 wrote to memory of 2612 2508 RegSvcs.exe schtasks.exe PID 2508 wrote to memory of 2612 2508 RegSvcs.exe schtasks.exe PID 2508 wrote to memory of 2612 2508 RegSvcs.exe schtasks.exe PID 2508 wrote to memory of 2612 2508 RegSvcs.exe schtasks.exe PID 2508 wrote to memory of 2708 2508 RegSvcs.exe schtasks.exe PID 2508 wrote to memory of 2708 2508 RegSvcs.exe schtasks.exe PID 2508 wrote to memory of 2708 2508 RegSvcs.exe schtasks.exe PID 2508 wrote to memory of 2708 2508 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\tmp677A.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⤵
- 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 "TCP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp697D.tmp"3⤵
- Creates scheduled task(s)
-
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "TCP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp69FA.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\tmp677A.tmpFilesize
1KB
MD539342423d1db4a7b342db335a3a4d8cb
SHA16e801a19fbd3841f2ee128ec5ea58ef0215fde7c
SHA2567cd50a22781c280647310895644046e1002fed993869625be028cdcf09fa482e
SHA512cc91b2570e293e80f349903cf7581d4761cd96865eae770e5ab8d1b0f7113bab842866b14c5724cfe3b528bb57e5ce474d5ae34b7222b00b3a5e644a4204c62d
-
C:\Users\Admin\AppData\Local\Temp\tmp697D.tmpFilesize
1KB
MD58cad1b41587ced0f1e74396794f31d58
SHA111054bf74fcf5e8e412768035e4dae43aa7b710f
SHA2563086d914f6b23268f8a12cb1a05516cd5465c2577e1d1e449f1b45c8e5e8f83c
SHA51299c2ef89029de51a866df932841684b7fc912df21e10e2dd0d09e400203bbdc6cba6319a31780b7bf8b286d2cea8ea3fc7d084348bf2f002ab4f5a34218ccbef
-
C:\Users\Admin\AppData\Local\Temp\tmp69FA.tmpFilesize
1KB
MD54b7ef560289c0f62d0baf6f14f48a57a
SHA18331acb90dde588aa3196919f6e847f398fd06d1
SHA256062844155306130d6fafc4fe10ac9e5ddd2ed462532b729c50cdc979c0d83207
SHA512ecaa27c4b703d95f9f9b37d8c339982970482e7dab968c2010e0aa644bbfa31973111aafb827565af30c423d1d14e4ff997ec149614e713ff7ef3456894d02d8
-
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-msFilesize
7KB
MD51ad5c427e989226e4aa38a767127c890
SHA164339a39835aee92fc964c3bb3590a3354d96334
SHA25603ea5c3e16a603a2e79466b57c2a53ae76eb90ef0603f4ce1eb608db03115f48
SHA512601f6142c46d09b556dc9286747b17e73d890385f9b43432e79d9af2c432c01c01194662e25adac3c64d208e7eec71b4abe994f4c16aa16e110d61c57e36f3a0
-
memory/2192-6-0x00000000054B0000-0x000000000552C000-memory.dmpFilesize
496KB
-
memory/2192-30-0x0000000074500000-0x0000000074BEE000-memory.dmpFilesize
6.9MB
-
memory/2192-0-0x000000007450E000-0x000000007450F000-memory.dmpFilesize
4KB
-
memory/2192-4-0x00000000009F0000-0x0000000000A00000-memory.dmpFilesize
64KB
-
memory/2192-3-0x0000000000820000-0x000000000083E000-memory.dmpFilesize
120KB
-
memory/2192-5-0x0000000000A00000-0x0000000000A16000-memory.dmpFilesize
88KB
-
memory/2192-1-0x0000000000FB0000-0x00000000010A2000-memory.dmpFilesize
968KB
-
memory/2192-2-0x0000000074500000-0x0000000074BEE000-memory.dmpFilesize
6.9MB
-
memory/2508-22-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
-
memory/2508-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB
-
memory/2508-24-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
-
memory/2508-20-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
-
memory/2508-18-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
-
memory/2508-28-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
-
memory/2508-29-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
-
memory/2508-27-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
-
memory/2508-38-0x0000000000460000-0x000000000046A000-memory.dmpFilesize
40KB
-
memory/2508-39-0x0000000000470000-0x000000000047C000-memory.dmpFilesize
48KB
-
memory/2508-40-0x0000000000480000-0x000000000049E000-memory.dmpFilesize
120KB
-
memory/2508-41-0x00000000004F0000-0x00000000004FA000-memory.dmpFilesize
40KB