Analysis
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max time kernel
150s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
26/12/2023, 18:28
Static task
static1
Behavioral task
behavioral1
Sample
842950d234e691ae98c2ce548ec471a3.exe
Resource
win7-20231215-en
General
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Target
842950d234e691ae98c2ce548ec471a3.exe
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Size
670KB
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MD5
842950d234e691ae98c2ce548ec471a3
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SHA1
989a1fe9ee1343ff2c3bd90671288ad419d772ed
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SHA256
ccd3c74e9ed1c416ff89568cd58ba4a0f1ea29effb821795c405a7cfd706571c
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SHA512
3379ee9dfd0096ce34d063c86e557b4f4350d9f37d56cd022f91db75c80d30b9fd007493df9131f0b3f222bd7b48def2f7a05608dc96745921d06a5453738980
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SSDEEP
12288:BaSkWUxIiboWxvZvL62yy+Uc4d4Aj+z3a5oYnRT+oW7e5rnk6bUS3a:kSkWUMeLd
Malware Config
Extracted
nanocore
1.2.2.0
xp18.ddns.net:1012
ef6b2072-3b38-4899-b925-378df7ad2d73
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activate_away_mode
true
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backup_connection_host
xp18.ddns.net
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2021-04-23T05:59:24.479035036Z
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bypass_user_account_control
false
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bypass_user_account_control_data
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clear_access_control
true
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clear_zone_identifier
false
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connect_delay
4000
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connection_port
1012
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default_group
Default
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enable_debug_mode
true
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gc_threshold
1.048576e+07
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keep_alive_timeout
30000
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keyboard_logging
false
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lan_timeout
2500
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max_packet_size
1.048576e+07
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mutex
ef6b2072-3b38-4899-b925-378df7ad2d73
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
xp18.ddns.net
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primary_dns_server
8.8.8.8
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request_elevation
true
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restart_delay
5000
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run_delay
0
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run_on_startup
false
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set_critical_process
true
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timeout_interval
5000
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use_custom_dns_server
false
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version
1.2.2.0
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wan_timeout
8000
Signatures
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\LAN Monitor = "C:\\Program Files (x86)\\LAN Monitor\\lanmon.exe" 842950d234e691ae98c2ce548ec471a3.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 842950d234e691ae98c2ce548ec471a3.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2208 set thread context of 2708 2208 842950d234e691ae98c2ce548ec471a3.exe 30 -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\LAN Monitor\lanmon.exe 842950d234e691ae98c2ce548ec471a3.exe File opened for modification C:\Program Files (x86)\LAN Monitor\lanmon.exe 842950d234e691ae98c2ce548ec471a3.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2500 schtasks.exe 528 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2708 842950d234e691ae98c2ce548ec471a3.exe 2708 842950d234e691ae98c2ce548ec471a3.exe 2708 842950d234e691ae98c2ce548ec471a3.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2708 842950d234e691ae98c2ce548ec471a3.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2708 842950d234e691ae98c2ce548ec471a3.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 2208 wrote to memory of 2708 2208 842950d234e691ae98c2ce548ec471a3.exe 30 PID 2208 wrote to memory of 2708 2208 842950d234e691ae98c2ce548ec471a3.exe 30 PID 2208 wrote to memory of 2708 2208 842950d234e691ae98c2ce548ec471a3.exe 30 PID 2208 wrote to memory of 2708 2208 842950d234e691ae98c2ce548ec471a3.exe 30 PID 2208 wrote to memory of 2708 2208 842950d234e691ae98c2ce548ec471a3.exe 30 PID 2208 wrote to memory of 2708 2208 842950d234e691ae98c2ce548ec471a3.exe 30 PID 2208 wrote to memory of 2708 2208 842950d234e691ae98c2ce548ec471a3.exe 30 PID 2208 wrote to memory of 2708 2208 842950d234e691ae98c2ce548ec471a3.exe 30 PID 2208 wrote to memory of 2708 2208 842950d234e691ae98c2ce548ec471a3.exe 30 PID 2708 wrote to memory of 2500 2708 842950d234e691ae98c2ce548ec471a3.exe 31 PID 2708 wrote to memory of 2500 2708 842950d234e691ae98c2ce548ec471a3.exe 31 PID 2708 wrote to memory of 2500 2708 842950d234e691ae98c2ce548ec471a3.exe 31 PID 2708 wrote to memory of 2500 2708 842950d234e691ae98c2ce548ec471a3.exe 31 PID 2708 wrote to memory of 528 2708 842950d234e691ae98c2ce548ec471a3.exe 33 PID 2708 wrote to memory of 528 2708 842950d234e691ae98c2ce548ec471a3.exe 33 PID 2708 wrote to memory of 528 2708 842950d234e691ae98c2ce548ec471a3.exe 33 PID 2708 wrote to memory of 528 2708 842950d234e691ae98c2ce548ec471a3.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\842950d234e691ae98c2ce548ec471a3.exe"C:\Users\Admin\AppData\Local\Temp\842950d234e691ae98c2ce548ec471a3.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2208 -
C:\Users\Admin\AppData\Local\Temp\842950d234e691ae98c2ce548ec471a3.exe"{path}"2⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2708 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "LAN Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmpF27A.tmp"3⤵
- Creates scheduled task(s)
PID:2500
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "LAN Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpF393.tmp"3⤵
- Creates scheduled task(s)
PID:528
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD5e6a52dad7ef118c0dea68e7a3ea26d4a
SHA1b5ceb4375ba7e8dfcd5baec0a721fd3d430d7099
SHA2565f56cd8fb22ef8af629c687f0e06cf6fb763235770ffa7e29f452a20d388b046
SHA5120bf7856e1ccc3bcd2a92c837afded1e2e02fc541f1793159e577eb21f815a388ecbcfb6c6feb908567f05149b952d0c85e6e957331d725fde676c25ec9bf2ee8
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Filesize
1KB
MD5ecf141ec69adbb2a5c3dd5c85cd0ec39
SHA10ad224632fa58d103142c05c44a142f3d7208291
SHA25664d8cfa0b25afee269839cd5fc0b66e5643bc318e5f4d3ce1b9dba2456c83316
SHA5124821b062d6672f3ed07833cfd7ab9abb533850b451b632d781fbfad8238fcd5ac52855f1f239547ae2d1c1477959f022430302a75cfd3c19a8473af72a1ef201