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Analysis
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max time kernel
89s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
01/02/2023, 12:16
Static task
static1
Behavioral task
behavioral1
Sample
2a4d85fb030591cbfa42bbc72f27607e.exe
Resource
win7-20220812-en
General
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Target
2a4d85fb030591cbfa42bbc72f27607e.exe
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Size
836KB
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MD5
2a4d85fb030591cbfa42bbc72f27607e
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SHA1
701232edaf6aa4a36509644d69b6a7c55443b1b6
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SHA256
d7dc5a4583f409639bf8c10eb62fbbc13ac2e1b8f702425e959d47e64463d45f
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SHA512
4e17def1c104c95bc784b58dd0b1445050d3489225f27c60ec0253af302f44e04da25c3743606865f85d1940a4ef3b90ed50d58b98ed0a0ccc21a39366a4a4e8
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SSDEEP
24576:peia1r8NO9c1xqpB9cbOEx54w6RTc4N34HZ:ps1r8M9WmzcbOEbKE
Malware Config
Extracted
nanocore
1.2.2.0
tzitziklishop.ddns.net:1665
127.0.0.1:1665
be28fce4-4930-4ffe-96ed-0110cf99b889
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activate_away_mode
true
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backup_connection_host
127.0.0.1
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2022-11-05T12:54:30.362923036Z
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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
1665
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default_group
SecureKMT
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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
be28fce4-4930-4ffe-96ed-0110cf99b889
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
tzitziklishop.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\UDP Service = "C:\\Program Files (x86)\\UDP Service\\udpsv.exe" 2a4d85fb030591cbfa42bbc72f27607e.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 2a4d85fb030591cbfa42bbc72f27607e.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1516 set thread context of 1500 1516 2a4d85fb030591cbfa42bbc72f27607e.exe 27 -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\UDP Service\udpsv.exe 2a4d85fb030591cbfa42bbc72f27607e.exe File opened for modification C:\Program Files (x86)\UDP Service\udpsv.exe 2a4d85fb030591cbfa42bbc72f27607e.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 1528 schtasks.exe 524 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1500 2a4d85fb030591cbfa42bbc72f27607e.exe 1500 2a4d85fb030591cbfa42bbc72f27607e.exe 1500 2a4d85fb030591cbfa42bbc72f27607e.exe 1500 2a4d85fb030591cbfa42bbc72f27607e.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1500 2a4d85fb030591cbfa42bbc72f27607e.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1500 2a4d85fb030591cbfa42bbc72f27607e.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 1516 wrote to memory of 1500 1516 2a4d85fb030591cbfa42bbc72f27607e.exe 27 PID 1516 wrote to memory of 1500 1516 2a4d85fb030591cbfa42bbc72f27607e.exe 27 PID 1516 wrote to memory of 1500 1516 2a4d85fb030591cbfa42bbc72f27607e.exe 27 PID 1516 wrote to memory of 1500 1516 2a4d85fb030591cbfa42bbc72f27607e.exe 27 PID 1516 wrote to memory of 1500 1516 2a4d85fb030591cbfa42bbc72f27607e.exe 27 PID 1516 wrote to memory of 1500 1516 2a4d85fb030591cbfa42bbc72f27607e.exe 27 PID 1516 wrote to memory of 1500 1516 2a4d85fb030591cbfa42bbc72f27607e.exe 27 PID 1516 wrote to memory of 1500 1516 2a4d85fb030591cbfa42bbc72f27607e.exe 27 PID 1516 wrote to memory of 1500 1516 2a4d85fb030591cbfa42bbc72f27607e.exe 27 PID 1500 wrote to memory of 1528 1500 2a4d85fb030591cbfa42bbc72f27607e.exe 28 PID 1500 wrote to memory of 1528 1500 2a4d85fb030591cbfa42bbc72f27607e.exe 28 PID 1500 wrote to memory of 1528 1500 2a4d85fb030591cbfa42bbc72f27607e.exe 28 PID 1500 wrote to memory of 1528 1500 2a4d85fb030591cbfa42bbc72f27607e.exe 28 PID 1500 wrote to memory of 524 1500 2a4d85fb030591cbfa42bbc72f27607e.exe 30 PID 1500 wrote to memory of 524 1500 2a4d85fb030591cbfa42bbc72f27607e.exe 30 PID 1500 wrote to memory of 524 1500 2a4d85fb030591cbfa42bbc72f27607e.exe 30 PID 1500 wrote to memory of 524 1500 2a4d85fb030591cbfa42bbc72f27607e.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2a4d85fb030591cbfa42bbc72f27607e.exe"C:\Users\Admin\AppData\Local\Temp\2a4d85fb030591cbfa42bbc72f27607e.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1516 -
C:\Users\Admin\AppData\Local\Temp\2a4d85fb030591cbfa42bbc72f27607e.exe"C:\Users\Admin\AppData\Local\Temp\2a4d85fb030591cbfa42bbc72f27607e.exe"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:1500 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "UDP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpD902.tmp"3⤵
- Creates scheduled task(s)
PID:1528
-
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "UDP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpDAE6.tmp"3⤵
- Creates scheduled task(s)
PID:524
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD5286af822f3f5aafb1b639770aa158902
SHA12b37f4650e33de89f356ccb0408b77538fed25dc
SHA25653aa850603eee16af11fea494d9c8b704167d7e6fb214f9af01ef96d5e5fc99e
SHA5129bb20cdc6406ec599816dfa3b5e7bd76e1ec6ac2cb3593a48c6067b97108b986bb60f543e7f4940666b2e7d6677b5607e3bb7b31d4c8325eb9a79759160c52ba
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Filesize
1KB
MD50a24db62cb5b84309c4803346caaa25d
SHA167660778f61bb44168c33ed3fe56ed86cf9583e8
SHA25638d38647af394a04ee6add9f05c43244f04e64a6b96257f4b241a5038efa82df
SHA512d25d9df063f44595d5e0bf890755bd387655131ff369eeedf3d11ffcc6202ca4455bbb33a8a926dd06839cbd1ddec3d06809b3c66a82c6518aa14beaa469a548