nanocore | 2e74a8a614db7b0d8148b52139751d3d76c477255a7fdd1fe6e9fc944a79caa2

Analysis

max time kernel
147s
max time network
190s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
14/07/2022, 04:30

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General

Target
97649646b1405daaca47c5b68b2382b3.exe
Size 731KB
Sample220714-e4xpwsged4
SHA256 2e74a8a614db7b0d8148b52139751d3d76c477255a7fdd1fe6e9fc944a79caa2
MD5 97649646b1405daaca47c5b68b2382b3
SHA1 4b26fbd320f1d5303d557346d75b2664a2644a3d
SHA512 af2ab8d53f236739166e283cba82bbc52bfc7a79787f13abfee5de8ae684e25ebdb48120ff9bc520aa3827d7459228985f270b7a2eb666cb2a88f597521dbed3
MD5 SHA1 SHA512

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

donaldossoinc.hopto.org:1492
127.0.0.1:1492

Mutex

64e137c2-af3f-4cd0-8061-bb60ec374d73

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-04-21T23:56:55.655479536Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
1492
default_group
JulyFile
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
64e137c2-af3f-4cd0-8061-bb60ec374d73
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
donaldossoinc.hopto.org
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\SCSI Subsystem = "C:\\Program Files (x86)\\SCSI Subsystem\\scsiss.exe"	97649646b1405daaca47c5b68b2382b3.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	97649646b1405daaca47c5b68b2382b3.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 912 set thread context of 4748	912	97649646b1405daaca47c5b68b2382b3.exe	86

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\SCSI Subsystem\scsiss.exe	97649646b1405daaca47c5b68b2382b3.exe
File created	C:\Program Files (x86)\SCSI Subsystem\scsiss.exe	97649646b1405daaca47c5b68b2382b3.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
2632	schtasks.exe
2032	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4748	97649646b1405daaca47c5b68b2382b3.exe
4748	97649646b1405daaca47c5b68b2382b3.exe
4748	97649646b1405daaca47c5b68b2382b3.exe
4748	97649646b1405daaca47c5b68b2382b3.exe
4748	97649646b1405daaca47c5b68b2382b3.exe
4748	97649646b1405daaca47c5b68b2382b3.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4748	97649646b1405daaca47c5b68b2382b3.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4748	97649646b1405daaca47c5b68b2382b3.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 912 wrote to memory of 4748	912	97649646b1405daaca47c5b68b2382b3.exe	86
PID 912 wrote to memory of 4748	912	97649646b1405daaca47c5b68b2382b3.exe	86
PID 912 wrote to memory of 4748	912	97649646b1405daaca47c5b68b2382b3.exe	86
PID 912 wrote to memory of 4748	912	97649646b1405daaca47c5b68b2382b3.exe	86
PID 912 wrote to memory of 4748	912	97649646b1405daaca47c5b68b2382b3.exe	86
PID 912 wrote to memory of 4748	912	97649646b1405daaca47c5b68b2382b3.exe	86
PID 912 wrote to memory of 4748	912	97649646b1405daaca47c5b68b2382b3.exe	86
PID 912 wrote to memory of 4748	912	97649646b1405daaca47c5b68b2382b3.exe	86
PID 4748 wrote to memory of 2632	4748	97649646b1405daaca47c5b68b2382b3.exe	87
PID 4748 wrote to memory of 2632	4748	97649646b1405daaca47c5b68b2382b3.exe	87
PID 4748 wrote to memory of 2632	4748	97649646b1405daaca47c5b68b2382b3.exe	87
PID 4748 wrote to memory of 2032	4748	97649646b1405daaca47c5b68b2382b3.exe	89
PID 4748 wrote to memory of 2032	4748	97649646b1405daaca47c5b68b2382b3.exe	89
PID 4748 wrote to memory of 2032	4748	97649646b1405daaca47c5b68b2382b3.exe	89

C:\Users\Admin\AppData\Local\Temp\97649646b1405daaca47c5b68b2382b3.exe
"C:\Users\Admin\AppData\Local\Temp\97649646b1405daaca47c5b68b2382b3.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:912
- C:\Users\Admin\AppData\Local\Temp\97649646b1405daaca47c5b68b2382b3.exe
  "C:\Users\Admin\AppData\Local\Temp\97649646b1405daaca47c5b68b2382b3.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:4748
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SCSI Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC870.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:2632
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SCSI Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpD552.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:2032

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

97649646b1405daaca47c5b68b2382b3.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\97649646b1405daaca47c5b68b2382b3.exe.log
Size 1KB
SHA256 a75686eed807c36b056311dddc898582fd4063135fc5728d2bdd3c6e1f5ab688
MD5 fc57dcb1a143324278cf61d88f8c67ad
SHA1 807d546b4296091d11a8df6a11157a5f12dd7fd5
SHA512 33ac55a68ac8371bf00af55e38455e886dc6aa681388622a55bf4473b1f4eda4d75a8211ea61df288ccdb26e838785da08094a7f1aac878da6ccd2e573f3bcb8
MD5 SHA1 SHA512

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tmpC870.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpC870.tmp
Size 1KB
SHA256 e166ac325921cb9c6b50afb3ca596dd2a0b725548bfd0345fadf3a6dcb3da2c8
MD5 892b81ea32e384d13e151d1e1d9afa2d
SHA1 32e745bc1daa6ee8577bcb0b01bb1f3849e22063
SHA512 d77ac6178d381b81c31b36c4b85105b7694d58cad0cef5cc443c7c1aba552ca492648bce703104f23dc4ab1cf6ff4134db0742f8527aa508dea918f0d1548307
MD5 SHA1 SHA512

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tmpD552.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpD552.tmp
Size 1KB
SHA256 8135c4e4eeaa741f752c0ab8f4ee33e3bb8a0cac5923812234f2e5177d50eb5b
MD5 bd110f9fc6c1a842f1d9b269010b0611
SHA1 ef71c062902602faef9b66dcd1cfc9fe5baaf389
SHA512 b8a7943a3126880b26407800bbdad5402c5b0e2aa106e7dbbb35d0cb145ca9de114401573a6aa66042a2e13674cfbcc2981d66b813f9b923fff5302210afba1f
MD5 SHA1 SHA512

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memory/912-131-0x00000000051D0000-0x0000000005774000-memory.dmp

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memory/912-132-0x0000000004B10000-0x0000000004BA2000-memory.dmp

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memory/912-133-0x0000000004BC0000-0x0000000004BCA000-memory.dmp

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memory/912-134-0x000000000AFF0000-0x000000000B08C000-memory.dmp

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memory/912-135-0x000000000B150000-0x000000000B1B6000-memory.dmp

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memory/912-130-0x0000000000200000-0x00000000002BE000-memory.dmp

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memory/4748-137-0x0000000000400000-0x0000000000438000-memory.dmp

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