Analysis
-
max time kernel
149s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20240419-en -
resource tags
arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system -
submitted
11-05-2024 08:38
Static task
static1
Behavioral task
behavioral1
Sample
ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
Resource
win7-20240419-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 2748 powershell.exe 2660 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\DOS Manager = "C:\\Program Files (x86)\\DOS Manager\\dosmgr.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exedescription pid process target process PID 2052 set thread context of 2552 2052 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe -
Drops file in Program Files directory 2 IoCs
Processes:
RegSvcs.exedescription ioc process File created C:\Program Files (x86)\DOS Manager\dosmgr.exe RegSvcs.exe File opened for modification C:\Program Files (x86)\DOS Manager\dosmgr.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 2148 schtasks.exe 1736 schtasks.exe 1592 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
Processes:
ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exepowershell.exepowershell.exeRegSvcs.exepid process 2052 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 2052 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 2052 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 2052 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 2052 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 2052 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 2052 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 2660 powershell.exe 2748 powershell.exe 2552 RegSvcs.exe 2552 RegSvcs.exe 2552 RegSvcs.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
RegSvcs.exepid process 2552 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exepowershell.exepowershell.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 2052 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe Token: SeDebugPrivilege 2660 powershell.exe Token: SeDebugPrivilege 2748 powershell.exe Token: SeDebugPrivilege 2552 RegSvcs.exe -
Suspicious use of WriteProcessMemory 32 IoCs
Processes:
ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exeRegSvcs.exedescription pid process target process PID 2052 wrote to memory of 2748 2052 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe powershell.exe PID 2052 wrote to memory of 2748 2052 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe powershell.exe PID 2052 wrote to memory of 2748 2052 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe powershell.exe PID 2052 wrote to memory of 2748 2052 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe powershell.exe PID 2052 wrote to memory of 2660 2052 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe powershell.exe PID 2052 wrote to memory of 2660 2052 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe powershell.exe PID 2052 wrote to memory of 2660 2052 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe powershell.exe PID 2052 wrote to memory of 2660 2052 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe powershell.exe PID 2052 wrote to memory of 2148 2052 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe schtasks.exe PID 2052 wrote to memory of 2148 2052 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe schtasks.exe PID 2052 wrote to memory of 2148 2052 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe schtasks.exe PID 2052 wrote to memory of 2148 2052 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe schtasks.exe PID 2052 wrote to memory of 2552 2052 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe PID 2052 wrote to memory of 2552 2052 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe PID 2052 wrote to memory of 2552 2052 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe PID 2052 wrote to memory of 2552 2052 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe PID 2052 wrote to memory of 2552 2052 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe PID 2052 wrote to memory of 2552 2052 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe PID 2052 wrote to memory of 2552 2052 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe PID 2052 wrote to memory of 2552 2052 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe PID 2052 wrote to memory of 2552 2052 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe PID 2052 wrote to memory of 2552 2052 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe PID 2052 wrote to memory of 2552 2052 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe PID 2052 wrote to memory of 2552 2052 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe RegSvcs.exe PID 2552 wrote to memory of 1736 2552 RegSvcs.exe schtasks.exe PID 2552 wrote to memory of 1736 2552 RegSvcs.exe schtasks.exe PID 2552 wrote to memory of 1736 2552 RegSvcs.exe schtasks.exe PID 2552 wrote to memory of 1736 2552 RegSvcs.exe schtasks.exe PID 2552 wrote to memory of 1592 2552 RegSvcs.exe schtasks.exe PID 2552 wrote to memory of 1592 2552 RegSvcs.exe schtasks.exe PID 2552 wrote to memory of 1592 2552 RegSvcs.exe schtasks.exe PID 2552 wrote to memory of 1592 2552 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
PID:2052 -
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
PID:2748 -
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
PID:2660 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fupTmRCVq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp647D.tmp"2⤵
- Creates scheduled task(s)
PID:2148 -
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
PID:2552 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "DOS Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp675B.tmp"3⤵
- Creates scheduled task(s)
PID:1736 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "DOS Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp67D8.tmp"3⤵
- Creates scheduled task(s)
PID:1592
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\tmp647D.tmpFilesize
1KB
MD5cfbb246e507f6e47a5a32e67ea16a2e8
SHA158d2bacdb740ca6f87ce8a01bf9f03bd406f98e6
SHA256556fc70de875946e4238b01ce9fdadedf87b5e35cde451849a2a97cff72e5e26
SHA512b8d070041072dcf56dbc9202cb1d9ef393c35bf178ea8367ad696d626279641aeca9274bed2f47c25a9c3c50b79c0d4ab70727cb7d6eff0b5ffd9ae710fa741f
-
C:\Users\Admin\AppData\Local\Temp\tmp675B.tmpFilesize
1KB
MD58cad1b41587ced0f1e74396794f31d58
SHA111054bf74fcf5e8e412768035e4dae43aa7b710f
SHA2563086d914f6b23268f8a12cb1a05516cd5465c2577e1d1e449f1b45c8e5e8f83c
SHA51299c2ef89029de51a866df932841684b7fc912df21e10e2dd0d09e400203bbdc6cba6319a31780b7bf8b286d2cea8ea3fc7d084348bf2f002ab4f5a34218ccbef
-
C:\Users\Admin\AppData\Local\Temp\tmp67D8.tmpFilesize
1KB
MD58f5713b14cee3089852f6c8d2a7a7d57
SHA18bffbea05715c6434ad593cce8a2c737f80ff788
SHA256ab3ce102242c3144f87bcbfe83984a478821cd09e62c0e5211b2ab37dde02d2c
SHA51282bd2378c2d6bb34a1ad3f2d26bfea583fc8403691bed6668521ba3e8bc7bdbdf142f872ddbc8e5251550f47c9bbee4eb3d0d6096f80d85259082cf68a454c72
-
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\Q5ZGQLQZ6SN08FHUV0AL.tempFilesize
7KB
MD513114acfed9ecccf6f9b54b14c260a76
SHA18afd8c4ad1a85d628e09e69a2c114ee36556dfe4
SHA25679785d5a2c7ab1479d5ee86820b7efccd08472c0692b0b46b57f169ab228be4b
SHA51225471f7b8ddcb84d9fc09a0dc4696cca5ca194fbffbe11c04d322d60a89a6283c889739bfa597a3df468669d8695c57db567e3ee1bfe4f712a017ca528e0e59a
-
memory/2052-32-0x0000000074220000-0x000000007490E000-memory.dmpFilesize
6.9MB
-
memory/2052-0-0x000000007422E000-0x000000007422F000-memory.dmpFilesize
4KB
-
memory/2052-6-0x00000000054B0000-0x000000000552C000-memory.dmpFilesize
496KB
-
memory/2052-4-0x0000000000580000-0x0000000000590000-memory.dmpFilesize
64KB
-
memory/2052-3-0x00000000002C0000-0x00000000002DE000-memory.dmpFilesize
120KB
-
memory/2052-19-0x000000007422E000-0x000000007422F000-memory.dmpFilesize
4KB
-
memory/2052-5-0x00000000007A0000-0x00000000007B6000-memory.dmpFilesize
88KB
-
memory/2052-1-0x0000000000FC0000-0x00000000010B2000-memory.dmpFilesize
968KB
-
memory/2052-2-0x0000000074220000-0x000000007490E000-memory.dmpFilesize
6.9MB
-
memory/2552-20-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
-
memory/2552-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB
-
memory/2552-26-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
-
memory/2552-24-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
-
memory/2552-22-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
-
memory/2552-30-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
-
memory/2552-31-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
-
memory/2552-29-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
-
memory/2552-40-0x0000000000460000-0x000000000046A000-memory.dmpFilesize
40KB
-
memory/2552-41-0x0000000000610000-0x000000000061C000-memory.dmpFilesize
48KB
-
memory/2552-42-0x0000000000620000-0x000000000063E000-memory.dmpFilesize
120KB
-
memory/2552-43-0x0000000000660000-0x000000000066A000-memory.dmpFilesize
40KB