Analysis
-
max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
11-05-2024 08:30
Static task
static1
Behavioral task
behavioral1
Sample
ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
Resource
win7-20240508-en
General
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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.
pid Process 3336 powershell.exe 3284 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DPI Service = "C:\\Program Files (x86)\\DPI Service\\dpisvc.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3680 set thread context of 220 3680 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 102 -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\DPI Service\dpisvc.exe RegSvcs.exe File opened for modification C:\Program Files (x86)\DPI Service\dpisvc.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.
pid Process 4464 schtasks.exe 2384 schtasks.exe 4148 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3680 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 3680 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 3680 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 3680 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 3680 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 3680 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 3336 powershell.exe 3284 powershell.exe 3680 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 3284 powershell.exe 3336 powershell.exe 220 RegSvcs.exe 220 RegSvcs.exe 220 RegSvcs.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 220 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3680 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe Token: SeDebugPrivilege 3336 powershell.exe Token: SeDebugPrivilege 3284 powershell.exe Token: SeDebugPrivilege 220 RegSvcs.exe -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 3680 wrote to memory of 3336 3680 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 96 PID 3680 wrote to memory of 3336 3680 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 96 PID 3680 wrote to memory of 3336 3680 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 96 PID 3680 wrote to memory of 3284 3680 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 98 PID 3680 wrote to memory of 3284 3680 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 98 PID 3680 wrote to memory of 3284 3680 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 98 PID 3680 wrote to memory of 2384 3680 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 100 PID 3680 wrote to memory of 2384 3680 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 100 PID 3680 wrote to memory of 2384 3680 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 100 PID 3680 wrote to memory of 220 3680 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 102 PID 3680 wrote to memory of 220 3680 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 102 PID 3680 wrote to memory of 220 3680 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 102 PID 3680 wrote to memory of 220 3680 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 102 PID 3680 wrote to memory of 220 3680 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 102 PID 3680 wrote to memory of 220 3680 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 102 PID 3680 wrote to memory of 220 3680 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 102 PID 3680 wrote to memory of 220 3680 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe 102 PID 220 wrote to memory of 4148 220 RegSvcs.exe 103 PID 220 wrote to memory of 4148 220 RegSvcs.exe 103 PID 220 wrote to memory of 4148 220 RegSvcs.exe 103 PID 220 wrote to memory of 4464 220 RegSvcs.exe 105 PID 220 wrote to memory of 4464 220 RegSvcs.exe 105 PID 220 wrote to memory of 4464 220 RegSvcs.exe 105
Processes
-
C:\Users\Admin\AppData\Local\Temp\ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe"C:\Users\Admin\AppData\Local\Temp\ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3680 -
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:3336
-
-
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:3284
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fupTmRCVq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9143.tmp"2⤵
- Creates scheduled task(s)
PID:2384
-
-
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:220 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "DPI Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp94DD.tmp"3⤵
- Creates scheduled task(s)
PID:4148
-
-
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "DPI Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp96B3.tmp"3⤵
- Creates scheduled task(s)
PID:4464
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
18KB
MD5d262af4a5d0142b3a6521b8fdda7523a
SHA102d634cd38ba526b9f9fce8eb42d9457cf4da053
SHA25681f330695094d30c6bf348bedf06a3776f1510a5653c3a4c49d8f84485186473
SHA5120e64d720508e09f9f9ba6dcf3b1e4154b1560f984d87521018994c25ca3bc6ba8df0e1d9041f60e4dbc0c14169e0aa43d158c681acbc7a6730ed16b4e2f73374
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
1KB
MD50378c312f7d2deb7c030c4cdb513d1cb
SHA1e01d5a905e0918c8880dfe073424e1f036f1090b
SHA2566ed5b5d5c56b13f60aee89982a603dbb716d5d0ed3b413f815f808be1e735b87
SHA512dadaea97a3cf110024a21bbade4c09e8ec3cc1013edb7ead706f02a3315fc4f1433d6e193a5d5d1eb5ea9434be093880f85c02cf25719893e755861e177ac38c
-
Filesize
1KB
MD58cad1b41587ced0f1e74396794f31d58
SHA111054bf74fcf5e8e412768035e4dae43aa7b710f
SHA2563086d914f6b23268f8a12cb1a05516cd5465c2577e1d1e449f1b45c8e5e8f83c
SHA51299c2ef89029de51a866df932841684b7fc912df21e10e2dd0d09e400203bbdc6cba6319a31780b7bf8b286d2cea8ea3fc7d084348bf2f002ab4f5a34218ccbef
-
Filesize
1KB
MD50d6d94a917c4ce63da6bc50cbbe0dc5d
SHA1599564f60649f3f4c14478e9cb184000d4280a61
SHA256e82a4b8311319f1b68cb06ae5b670e97a11c467b1bdb0ebf130f523bf98ca522
SHA51223ac6a088e2a1df3d75d2aca17cdcc5a4147b966758e4acc4d904293f4693f362db637d8135edd670e158bec77e788e915f2a55042a2f1aec09a4679bc749412