nanocore | de7bcd7ffa573ffb32e5523cdea0a0fa39bde98a4610f9e791720fa33bf7207a

General

Target
Payment.exe
Size 642KB
Sample220705-cq92ysdafm
SHA256 de7bcd7ffa573ffb32e5523cdea0a0fa39bde98a4610f9e791720fa33bf7207a
MD5 c13fd617e3d71f62344df59f397b1270
SHA1 9d771b382e9f505fd84a35876919ebfae6dc6343
SHA512 7f24cabbf7420e92beeb95e486434d610b765c54eb8704b1171b6ce6b9c1e7a40cc887ae041eb6d345c49a43dbb991cda6cfc9119fcead62056ea76564dc36f1
MD5 SHA1 SHA512

Score

10^/10

nanocore evasion keylogger persistence spyware stealer suricata trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

derananocore.ddns.net:1187
194.87.84.118:1187

Mutex

aee28d0a-78bc-4586-8c8c-8f93e292a11b

Attributes

activate_away_mode
true
backup_connection_host
194.87.84.118
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-04-09T10:37:01.806212736Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
1187
default_group
Default
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
aee28d0a-78bc-4586-8c8c-8f93e292a11b
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
derananocore.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
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"	Payment.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	Payment.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3124 set thread context of 3140	3124	Payment.exe	90

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\SCSI Subsystem\scsiss.exe	Payment.exe
File opened for modification	C:\Program Files (x86)\SCSI Subsystem\scsiss.exe	Payment.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3140	Payment.exe
3140	Payment.exe
3140	Payment.exe
3140	Payment.exe
3140	Payment.exe
3140	Payment.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3140	Payment.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3140	Payment.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3124 wrote to memory of 3140	3124	Payment.exe	90
PID 3124 wrote to memory of 3140	3124	Payment.exe	90
PID 3124 wrote to memory of 3140	3124	Payment.exe	90
PID 3124 wrote to memory of 3140	3124	Payment.exe	90
PID 3124 wrote to memory of 3140	3124	Payment.exe	90
PID 3124 wrote to memory of 3140	3124	Payment.exe	90
PID 3124 wrote to memory of 3140	3124	Payment.exe	90
PID 3124 wrote to memory of 3140	3124	Payment.exe	90

C:\Users\Admin\AppData\Local\Temp\Payment.exe
"C:\Users\Admin\AppData\Local\Temp\Payment.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3124
- C:\Users\Admin\AppData\Local\Temp\Payment.exe
  "C:\Users\Admin\AppData\Local\Temp\Payment.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
  PID:3140

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

Payment.exe.log

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

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memory/3124-130-0x0000000000D80000-0x0000000000E26000-memory.dmp

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memory/3124-131-0x0000000005E80000-0x0000000006424000-memory.dmp

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memory/3124-132-0x00000000057C0000-0x0000000005852000-memory.dmp

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memory/3124-133-0x0000000005870000-0x000000000587A000-memory.dmp

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memory/3124-134-0x0000000009700000-0x000000000979C000-memory.dmp

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memory/3124-135-0x0000000009840000-0x00000000098A6000-memory.dmp

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memory/3140-137-0x0000000000400000-0x0000000000438000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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