nanocore | d7dc5a4583f409639bf8c10eb62fbbc13ac2e1b8f702425e959d47e64463d45f

General

Target

2a4d85fb030591cbfa42bbc72f27607e.exe
Size

836KB
MD5

2a4d85fb030591cbfa42bbc72f27607e
SHA1

701232edaf6aa4a36509644d69b6a7c55443b1b6
SHA256

d7dc5a4583f409639bf8c10eb62fbbc13ac2e1b8f702425e959d47e64463d45f
SHA512

4e17def1c104c95bc784b58dd0b1445050d3489225f27c60ec0253af302f44e04da25c3743606865f85d1940a4ef3b90ed50d58b98ed0a0ccc21a39366a4a4e8
SSDEEP

24576:peia1r8NO9c1xqpB9cbOEx54w6RTc4N34HZ:ps1r8M9WmzcbOEbKE

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

tzitziklishop.ddns.net:1665

127.0.0.1:1665

Mutex

be28fce4-4930-4ffe-96ed-0110cf99b889

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-11-05T12:54:30.362923036Z
bypass_user_account_control
false
bypass_user_account_control_data
PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTE2Ij8+DQo8VGFzayB2ZXJzaW9uPSIxLjIiIHhtbG5zPSJodHRwOi8vc2NoZW1hcy5taWNyb3NvZnQuY29tL3dpbmRvd3MvMjAwNC8wMi9taXQvdGFzayI+DQogIDxSZWdpc3RyYXRpb25JbmZvIC8+DQogIDxUcmlnZ2VycyAvPg0KICA8UHJpbmNpcGFscz4NCiAgICA8UHJpbmNpcGFsIGlkPSJBdXRob3IiPg0KICAgICAgPExvZ29uVHlwZT5JbnRlcmFjdGl2ZVRva2VuPC9Mb2dvblR5cGU+DQogICAgICA8UnVuTGV2ZWw+SGlnaGVzdEF2YWlsYWJsZTwvUnVuTGV2ZWw+DQogICAgPC9QcmluY2lwYWw+DQogIDwvUHJpbmNpcGFscz4NCiAgPFNldHRpbmdzPg0KICAgIDxNdWx0aXBsZUluc3RhbmNlc1BvbGljeT5QYXJhbGxlbDwvTXVsdGlwbGVJbnN0YW5jZXNQb2xpY3k+DQogICAgPERpc2FsbG93U3RhcnRJZk9uQmF0dGVyaWVzPmZhbHNlPC9EaXNhbGxvd1N0YXJ0SWZPbkJhdHRlcmllcz4NCiAgICA8U3RvcElmR29pbmdPbkJhdHRlcmllcz5mYWxzZTwvU3RvcElmR29pbmdPbkJhdHRlcmllcz4NCiAgICA8QWxsb3dIYXJkVGVybWluYXRlPnRydWU8L0FsbG93SGFyZFRlcm1pbmF0ZT4NCiAgICA8U3RhcnRXaGVuQXZhaWxhYmxlPmZhbHNlPC9TdGFydFdoZW5BdmFpbGFibGU+DQogICAgPFJ1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+ZmFsc2U8L1J1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+DQogICAgPElkbGVTZXR0aW5ncz4NCiAgICAgIDxTdG9wT25JZGxlRW5kPmZhbHNlPC9TdG9wT25JZGxlRW5kPg0KICAgICAgPFJlc3RhcnRPbklkbGU+ZmFsc2U8L1Jlc3RhcnRPbklkbGU+DQogICAgPC9JZGxlU2V0dGluZ3M+DQogICAgPEFsbG93U3RhcnRPbkRlbWFuZD50cnVlPC9BbGxvd1N0YXJ0T25EZW1hbmQ+DQogICAgPEVuYWJsZWQ+dHJ1ZTwvRW5hYmxlZD4NCiAgICA8SGlkZGVuPmZhbHNlPC9IaWRkZW4+DQogICAgPFJ1bk9ubHlJZklkbGU+ZmFsc2U8L1J1bk9ubHlJZklkbGU+DQogICAgPFdha2VUb1J1bj5mYWxzZTwvV2FrZVRvUnVuPg0KICAgIDxFeGVjdXRpb25UaW1lTGltaXQ+UFQwUzwvRXhlY3V0aW9uVGltZUxpbWl0Pg0KICAgIDxQcmlvcml0eT40PC9Qcmlvcml0eT4NCiAgPC9TZXR0aW5ncz4NCiAgPEFjdGlvbnMgQ29udGV4dD0iQXV0aG9yIj4NCiAgICA8RXhlYz4NCiAgICAgIDxDb21tYW5kPiIjRVhFQ1VUQUJMRVBBVEgiPC9Db21tYW5kPg0KICAgICAgPEFyZ3VtZW50cz4kKEFyZzApPC9Bcmd1bWVudHM+DQogICAgPC9FeGVjPg0KICA8L0FjdGlvbnM+DQo8L1Rhc2s+
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
1665
default_group
SecureKMT
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
be28fce4-4930-4ffe-96ed-0110cf99b889
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
tzitziklishop.ddns.net
primary_dns_server
8.8.8.8
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

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

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

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

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.

persistence

Scheduled Task

T1053

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

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
- - 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

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpD902.tmp

Filesize
1KB

MD5
286af822f3f5aafb1b639770aa158902

SHA1
2b37f4650e33de89f356ccb0408b77538fed25dc

SHA256
53aa850603eee16af11fea494d9c8b704167d7e6fb214f9af01ef96d5e5fc99e

SHA512
9bb20cdc6406ec599816dfa3b5e7bd76e1ec6ac2cb3593a48c6067b97108b986bb60f543e7f4940666b2e7d6677b5607e3bb7b31d4c8325eb9a79759160c52ba

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDAE6.tmp

Filesize
1KB

MD5
0a24db62cb5b84309c4803346caaa25d

SHA1
67660778f61bb44168c33ed3fe56ed86cf9583e8

SHA256
38d38647af394a04ee6add9f05c43244f04e64a6b96257f4b241a5038efa82df

SHA512
d25d9df063f44595d5e0bf890755bd387655131ff369eeedf3d11ffcc6202ca4455bbb33a8a926dd06839cbd1ddec3d06809b3c66a82c6518aa14beaa469a548

Download Submit
memory/1500-63-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1500-82-0x0000000000870000-0x000000000087E000-memory.dmp

Filesize
56KB

Download
memory/1500-91-0x0000000000E80000-0x0000000000E94000-memory.dmp

Filesize
80KB

Download
memory/1500-60-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1500-61-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1500-90-0x00000000012B0000-0x00000000012DE000-memory.dmp

Filesize
184KB

Download
memory/1500-64-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1500-66-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1500-69-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1500-71-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1500-89-0x0000000000E20000-0x0000000000E2E000-memory.dmp

Filesize
56KB

Download
memory/1500-88-0x0000000000E10000-0x0000000000E24000-memory.dmp

Filesize
80KB

Download
memory/1500-87-0x0000000000D00000-0x0000000000D10000-memory.dmp

Filesize
64KB

Download
memory/1500-86-0x0000000000CF0000-0x0000000000D04000-memory.dmp

Filesize
80KB

Download
memory/1500-85-0x0000000000CE0000-0x0000000000CEC000-memory.dmp

Filesize
48KB

Download
memory/1500-84-0x0000000000C50000-0x0000000000C5E000-memory.dmp

Filesize
56KB

Download
memory/1500-79-0x0000000000570000-0x000000000057A000-memory.dmp

Filesize
40KB

Download
memory/1500-80-0x00000000005E0000-0x00000000005F2000-memory.dmp

Filesize
72KB

Download
memory/1500-81-0x00000000005F0000-0x000000000060A000-memory.dmp

Filesize
104KB

Download
memory/1500-77-0x0000000000560000-0x000000000056A000-memory.dmp

Filesize
40KB

Download
memory/1500-83-0x0000000000C30000-0x0000000000C42000-memory.dmp

Filesize
72KB

Download
memory/1500-78-0x00000000005A0000-0x00000000005BE000-memory.dmp

Filesize
120KB

Download
memory/1516-55-0x0000000075841000-0x0000000075843000-memory.dmp

Filesize
8KB

Download
memory/1516-58-0x0000000005BB0000-0x0000000005C24000-memory.dmp

Filesize
464KB

Download
memory/1516-56-0x0000000000300000-0x0000000000314000-memory.dmp

Filesize
80KB

Download
memory/1516-57-0x0000000000320000-0x000000000032A000-memory.dmp

Filesize
40KB

Download
memory/1516-54-0x0000000001310000-0x00000000013E4000-memory.dmp

Filesize
848KB

Download
memory/1516-59-0x0000000000DB0000-0x0000000000DEA000-memory.dmp

Filesize
232KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads