nanocore | 49cd361598bcbe364192e8cf8a6c3ae74bcf86a08c8dc58e7514625fdba2beac

Analysis

max time kernel
158s
max time network
173s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
07/07/2022, 13:06

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General

Target
63da7b47442e59d1c48f15d2772d6766.exe
Size 729KB
Sample220707-qb3afsaec6
SHA256 49cd361598bcbe364192e8cf8a6c3ae74bcf86a08c8dc58e7514625fdba2beac
MD5 63da7b47442e59d1c48f15d2772d6766
SHA1 fe5909d3390e703748c95f7a1580dada62e2cdd2
SHA512 8d077bf848ac6fc4703d7830d70056ac86e870ffb7cec344609cbfb77fcbcf36a89242040b032c7229d59b990944b607f536ac73178ba685df67b57140d50bcb
MD5 SHA1 SHA512

Score

10^/10

nanocore evasion keylogger persistence spyware stealer suricata trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

jasonbourne.bounceme.net:7687
127.0.0.1:7687

Mutex

72ab264d-1f8c-4194-b177-fb1e2f9d432c

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-04-17T07:45:07.376531736Z
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
7687
default_group
NewAge
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
72ab264d-1f8c-4194-b177-fb1e2f9d432c
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
jasonbourne.bounceme.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
suricata: ET MALWARE Possible NanoCore C2 60B
suricata: ET MALWARE Possible NanoCore C2 60B
suricata

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"	63da7b47442e59d1c48f15d2772d6766.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	63da7b47442e59d1c48f15d2772d6766.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2460 set thread context of 5020	2460	63da7b47442e59d1c48f15d2772d6766.exe	83

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\SCSI Subsystem\scsiss.exe	63da7b47442e59d1c48f15d2772d6766.exe
File opened for modification	C:\Program Files (x86)\SCSI Subsystem\scsiss.exe	63da7b47442e59d1c48f15d2772d6766.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
4988	schtasks.exe
4536	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
5020	63da7b47442e59d1c48f15d2772d6766.exe
5020	63da7b47442e59d1c48f15d2772d6766.exe
5020	63da7b47442e59d1c48f15d2772d6766.exe
5020	63da7b47442e59d1c48f15d2772d6766.exe
5020	63da7b47442e59d1c48f15d2772d6766.exe
5020	63da7b47442e59d1c48f15d2772d6766.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
5020	63da7b47442e59d1c48f15d2772d6766.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5020	63da7b47442e59d1c48f15d2772d6766.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2460 wrote to memory of 5020	2460	63da7b47442e59d1c48f15d2772d6766.exe	83
PID 2460 wrote to memory of 5020	2460	63da7b47442e59d1c48f15d2772d6766.exe	83
PID 2460 wrote to memory of 5020	2460	63da7b47442e59d1c48f15d2772d6766.exe	83
PID 2460 wrote to memory of 5020	2460	63da7b47442e59d1c48f15d2772d6766.exe	83
PID 2460 wrote to memory of 5020	2460	63da7b47442e59d1c48f15d2772d6766.exe	83
PID 2460 wrote to memory of 5020	2460	63da7b47442e59d1c48f15d2772d6766.exe	83
PID 2460 wrote to memory of 5020	2460	63da7b47442e59d1c48f15d2772d6766.exe	83
PID 2460 wrote to memory of 5020	2460	63da7b47442e59d1c48f15d2772d6766.exe	83
PID 5020 wrote to memory of 4988	5020	63da7b47442e59d1c48f15d2772d6766.exe	84
PID 5020 wrote to memory of 4988	5020	63da7b47442e59d1c48f15d2772d6766.exe	84
PID 5020 wrote to memory of 4988	5020	63da7b47442e59d1c48f15d2772d6766.exe	84
PID 5020 wrote to memory of 4536	5020	63da7b47442e59d1c48f15d2772d6766.exe	86
PID 5020 wrote to memory of 4536	5020	63da7b47442e59d1c48f15d2772d6766.exe	86
PID 5020 wrote to memory of 4536	5020	63da7b47442e59d1c48f15d2772d6766.exe	86

C:\Users\Admin\AppData\Local\Temp\63da7b47442e59d1c48f15d2772d6766.exe
"C:\Users\Admin\AppData\Local\Temp\63da7b47442e59d1c48f15d2772d6766.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2460
- C:\Users\Admin\AppData\Local\Temp\63da7b47442e59d1c48f15d2772d6766.exe
  "C:\Users\Admin\AppData\Local\Temp\63da7b47442e59d1c48f15d2772d6766.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:5020
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SCSI Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp86E3.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:4988
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SCSI Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9200.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:4536

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

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Downloads

63da7b47442e59d1c48f15d2772d6766.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\63da7b47442e59d1c48f15d2772d6766.exe.log
Size 1KB
SHA256 a75686eed807c36b056311dddc898582fd4063135fc5728d2bdd3c6e1f5ab688
MD5 fc57dcb1a143324278cf61d88f8c67ad
SHA1 807d546b4296091d11a8df6a11157a5f12dd7fd5
SHA512 33ac55a68ac8371bf00af55e38455e886dc6aa681388622a55bf4473b1f4eda4d75a8211ea61df288ccdb26e838785da08094a7f1aac878da6ccd2e573f3bcb8
MD5 SHA1 SHA512

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tmp86E3.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp86E3.tmp
Size 1KB
SHA256 5592fd62a437d6f70793b3eb0ef04f47df402172b81e9f046e6544026df1c610
MD5 42f4f1768fbe3c0d5307e21a4d537140
SHA1 7e256104bc598f04fd693ba24ff0c015b19e9899
SHA512 a17ec0f4e89fefc08252660a49223bc3ce5c0fa1a44e468d46af800bdf7ad4a6c4a6f425e61a100ac50b1600fa27188ca9a9f802fcd81d18c4341b4269e176fb
MD5 SHA1 SHA512

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tmp9200.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp9200.tmp
Size 1KB
SHA256 8135c4e4eeaa741f752c0ab8f4ee33e3bb8a0cac5923812234f2e5177d50eb5b
MD5 bd110f9fc6c1a842f1d9b269010b0611
SHA1 ef71c062902602faef9b66dcd1cfc9fe5baaf389
SHA512 b8a7943a3126880b26407800bbdad5402c5b0e2aa106e7dbbb35d0cb145ca9de114401573a6aa66042a2e13674cfbcc2981d66b813f9b923fff5302210afba1f
MD5 SHA1 SHA512

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memory/2460-131-0x0000000005360000-0x0000000005904000-memory.dmp

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memory/2460-132-0x0000000004DB0000-0x0000000004E42000-memory.dmp

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memory/2460-133-0x0000000004D40000-0x0000000004D4A000-memory.dmp

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memory/2460-134-0x0000000007930000-0x00000000079CC000-memory.dmp

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memory/2460-135-0x0000000007B00000-0x0000000007B66000-memory.dmp

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memory/2460-130-0x0000000000300000-0x00000000003BC000-memory.dmp

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memory/5020-137-0x0000000000400000-0x0000000000438000-memory.dmp

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