nanocore | 2876998fe70b951757cb3a2394b271009228b83c58ddf201ab1cc41b6b96e741

General

Target

FeDex#095KVkFEFzENS9.exe
Size

662KB
MD5

37af043c15037de0304fcf5ed28eb768
SHA1

345ea75b23dc54de90797821341f891639f8bd76
SHA256

2876998fe70b951757cb3a2394b271009228b83c58ddf201ab1cc41b6b96e741
SHA512

f7242200790b7e9819a80808e2b1a086b39edc2225fa2d85d7bed170ad816d657bb67f996d2ad94f69d6992ba4071b23a4e15b32896ea8e1220933df721d0155
SSDEEP

12288:QkEtzLwrZ9aV1SmSxiIUf1APyAXgwi6Aq1SRLdrVTrI3skclvztOa7ehitb++:XPaymki/f1WXgwi63SRLd9OsBvsfG

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

104.168.65.245:5498

Mutex

c62b40b0-4c83-4282-a9bf-4a6f6b7ac395

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2023-01-13T05:18:29.662188136Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
5498
default_group
on GOD
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
c62b40b0-4c83-4282-a9bf-4a6f6b7ac395
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
104.168.65.245
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
true
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
Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

FeDex#095KVkFEFzENS9.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA FeDex#095KVkFEFzENS9.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

FeDex#095KVkFEFzENS9.exe

description pid process target process

PID 2000 set thread context of 1300 2000 FeDex#095KVkFEFzENS9.exe FeDex#095KVkFEFzENS9.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1784 schtasks.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	FeDex#095KVkFEFzENS9.exe

description	pid	process	target process
PID 2000 set thread context of 1300	2000	FeDex#095KVkFEFzENS9.exe	FeDex#095KVkFEFzENS9.exe

pid	process
1784	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

FeDex#095KVkFEFzENS9.exeFeDex#095KVkFEFzENS9.exepowershell.exe

pid	process
2000	FeDex#095KVkFEFzENS9.exe
2000	FeDex#095KVkFEFzENS9.exe
2000	FeDex#095KVkFEFzENS9.exe
2000	FeDex#095KVkFEFzENS9.exe
2000	FeDex#095KVkFEFzENS9.exe
2000	FeDex#095KVkFEFzENS9.exe
1300	FeDex#095KVkFEFzENS9.exe
1300	FeDex#095KVkFEFzENS9.exe
1152	powershell.exe
1300	FeDex#095KVkFEFzENS9.exe
1300	FeDex#095KVkFEFzENS9.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

FeDex#095KVkFEFzENS9.exe

pid process

1300 FeDex#095KVkFEFzENS9.exe

pid	process
1300	FeDex#095KVkFEFzENS9.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

FeDex#095KVkFEFzENS9.exeFeDex#095KVkFEFzENS9.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	2000	FeDex#095KVkFEFzENS9.exe
Token: SeDebugPrivilege	1300	FeDex#095KVkFEFzENS9.exe
Token: SeDebugPrivilege	1152	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

FeDex#095KVkFEFzENS9.exe

description	pid	process	target process
PID 2000 wrote to memory of 1152	2000	FeDex#095KVkFEFzENS9.exe	powershell.exe
PID 2000 wrote to memory of 1152	2000	FeDex#095KVkFEFzENS9.exe	powershell.exe
PID 2000 wrote to memory of 1152	2000	FeDex#095KVkFEFzENS9.exe	powershell.exe
PID 2000 wrote to memory of 1152	2000	FeDex#095KVkFEFzENS9.exe	powershell.exe
PID 2000 wrote to memory of 1784	2000	FeDex#095KVkFEFzENS9.exe	schtasks.exe
PID 2000 wrote to memory of 1784	2000	FeDex#095KVkFEFzENS9.exe	schtasks.exe
PID 2000 wrote to memory of 1784	2000	FeDex#095KVkFEFzENS9.exe	schtasks.exe
PID 2000 wrote to memory of 1784	2000	FeDex#095KVkFEFzENS9.exe	schtasks.exe
PID 2000 wrote to memory of 1300	2000	FeDex#095KVkFEFzENS9.exe	FeDex#095KVkFEFzENS9.exe
PID 2000 wrote to memory of 1300	2000	FeDex#095KVkFEFzENS9.exe	FeDex#095KVkFEFzENS9.exe
PID 2000 wrote to memory of 1300	2000	FeDex#095KVkFEFzENS9.exe	FeDex#095KVkFEFzENS9.exe
PID 2000 wrote to memory of 1300	2000	FeDex#095KVkFEFzENS9.exe	FeDex#095KVkFEFzENS9.exe
PID 2000 wrote to memory of 1300	2000	FeDex#095KVkFEFzENS9.exe	FeDex#095KVkFEFzENS9.exe
PID 2000 wrote to memory of 1300	2000	FeDex#095KVkFEFzENS9.exe	FeDex#095KVkFEFzENS9.exe
PID 2000 wrote to memory of 1300	2000	FeDex#095KVkFEFzENS9.exe	FeDex#095KVkFEFzENS9.exe
PID 2000 wrote to memory of 1300	2000	FeDex#095KVkFEFzENS9.exe	FeDex#095KVkFEFzENS9.exe
PID 2000 wrote to memory of 1300	2000	FeDex#095KVkFEFzENS9.exe	FeDex#095KVkFEFzENS9.exe

C:\Users\Admin\AppData\Local\Temp\FeDex#095KVkFEFzENS9.exe
"C:\Users\Admin\AppData\Local\Temp\FeDex#095KVkFEFzENS9.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2000

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\PfZEfRc.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1152

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PfZEfRc" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFAA5.tmp"
2⤵
- Creates scheduled task(s)
PID:1784

C:\Users\Admin\AppData\Local\Temp\FeDex#095KVkFEFzENS9.exe
"C:\Users\Admin\AppData\Local\Temp\FeDex#095KVkFEFzENS9.exe"
2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1300

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpFAA5.tmp
Filesize
1KB

MD5
fe212b68693db0d50908991067dbe7c5

SHA1
0f72c424442aa11f4ff90d25ec625af726d42f36

SHA256
fd4f83f157c2a981a13174138be642acd9b942c1f463fb3ac4314f613010384e

SHA512
66bb70a3a361015aaa957fb4af8148d27fde6c8183dc763c49f41fa78ad42a6ca52f20abb0abf87e5ed64219ed5dd6a77cc71b38b1c8d4eeb5c4c119ac76fcc1

Download Submit
memory/1152-86-0x0000000002540000-0x0000000002580000-memory.dmp

Filesize
256KB

Download
memory/1152-81-0x0000000002540000-0x0000000002580000-memory.dmp

Filesize
256KB

Download
memory/1300-89-0x0000000000C30000-0x0000000000C4A000-memory.dmp

Filesize
104KB

Download
memory/1300-97-0x0000000004790000-0x000000000479E000-memory.dmp

Filesize
56KB

Download
memory/1300-79-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1300-98-0x0000000004C80000-0x0000000004CAE000-memory.dmp

Filesize
184KB

Download
memory/1300-96-0x0000000004780000-0x0000000004794000-memory.dmp

Filesize
80KB

Download
memory/1300-95-0x0000000004770000-0x0000000004780000-memory.dmp

Filesize
64KB

Download
memory/1300-82-0x0000000000610000-0x000000000061A000-memory.dmp

Filesize
40KB

Download
memory/1300-70-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1300-71-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1300-72-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1300-73-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1300-74-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1300-75-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1300-77-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1300-99-0x0000000004BD0000-0x0000000004BE4000-memory.dmp

Filesize
80KB

Download
memory/1300-93-0x0000000001170000-0x000000000117C000-memory.dmp

Filesize
48KB

Download
memory/1300-94-0x00000000011C0000-0x00000000011D4000-memory.dmp

Filesize
80KB

Download
memory/1300-83-0x0000000000680000-0x000000000069E000-memory.dmp

Filesize
120KB

Download
memory/1300-84-0x0000000000670000-0x000000000067A000-memory.dmp

Filesize
40KB

Download
memory/1300-92-0x0000000001160000-0x000000000116E000-memory.dmp

Filesize
56KB

Download
memory/1300-88-0x0000000000020000-0x0000000000032000-memory.dmp

Filesize
72KB

Download
memory/1300-91-0x0000000000D70000-0x0000000000D82000-memory.dmp

Filesize
72KB

Download
memory/1300-90-0x0000000000D60000-0x0000000000D6E000-memory.dmp

Filesize
56KB

Download
memory/2000-54-0x0000000001210000-0x00000000012BA000-memory.dmp

Filesize
680KB

Download
memory/2000-55-0x0000000000580000-0x00000000005C0000-memory.dmp

Filesize
256KB

Download
memory/2000-67-0x0000000001180000-0x00000000011BC000-memory.dmp

Filesize
240KB

Download
memory/2000-58-0x0000000000550000-0x000000000055C000-memory.dmp

Filesize
48KB

Download
memory/2000-66-0x0000000001110000-0x0000000001116000-memory.dmp

Filesize
24KB

Download
memory/2000-57-0x0000000000580000-0x00000000005C0000-memory.dmp

Filesize
256KB

Download
memory/2000-56-0x0000000000540000-0x0000000000554000-memory.dmp

Filesize
80KB

Download
memory/2000-60-0x0000000000580000-0x00000000005C0000-memory.dmp

Filesize
256KB

Download
memory/2000-59-0x0000000005950000-0x00000000059D0000-memory.dmp

Filesize
512KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads