nanocore | db433304c3e22d8222cfe510e8548515c9dccfc9f080f94efc67aa11f44a6b3f

General

Target

Invoice# 77-83992-8297382 (2).exe
Size

830KB
MD5

4c67eb7b3f4ea88e5e5487ade487de3f
SHA1

d118ae4beef890783251d53f3f7fe5e6c9a65a10
SHA256

db433304c3e22d8222cfe510e8548515c9dccfc9f080f94efc67aa11f44a6b3f
SHA512

37609ea4261fe4dadf403a05014db11defae9a65cef8c5639a56166a379b1151ee48100f6726d8160aefad9c49ea6a5430e17526b87a41dc2366e6c23ce4759c

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

1.ispnano.dns-cloud.net:10004

Mutex

e1e01d8e-d2ec-4c98-af39-dda666441e66

Attributes

activate_away_mode
true
backup_connection_host
1.ispnano.dns-cloud.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-10-25T01:53:08.501630436Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
10004
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
e1e01d8e-d2ec-4c98-af39-dda666441e66
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
1.ispnano.dns-cloud.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

Processes:

Invoice# 77-83992-8297382 (2).exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WAN Service = "C:\\Program Files (x86)\\WAN Service\\wansv.exe"	Invoice# 77-83992-8297382 (2).exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

Invoice# 77-83992-8297382 (2).exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Invoice# 77-83992-8297382 (2).exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Invoice# 77-83992-8297382 (2).exe

description pid process target process

PID 744 set thread context of 756 744 Invoice# 77-83992-8297382 (2).exe Invoice# 77-83992-8297382 (2).exe

description	pid	process	target process
PID 744 set thread context of 756	744	Invoice# 77-83992-8297382 (2).exe	Invoice# 77-83992-8297382 (2).exe

Drops file in Program Files directory 2 IoCs

Processes:

Invoice# 77-83992-8297382 (2).exe

description	ioc	process
File created	C:\Program Files (x86)\WAN Service\wansv.exe	Invoice# 77-83992-8297382 (2).exe
File opened for modification	C:\Program Files (x86)\WAN Service\wansv.exe	Invoice# 77-83992-8297382 (2).exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

Invoice# 77-83992-8297382 (2).exeInvoice# 77-83992-8297382 (2).exe

pid	process
744	Invoice# 77-83992-8297382 (2).exe
744	Invoice# 77-83992-8297382 (2).exe
756	Invoice# 77-83992-8297382 (2).exe
756	Invoice# 77-83992-8297382 (2).exe
756	Invoice# 77-83992-8297382 (2).exe
756	Invoice# 77-83992-8297382 (2).exe
756	Invoice# 77-83992-8297382 (2).exe
756	Invoice# 77-83992-8297382 (2).exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Invoice# 77-83992-8297382 (2).exe

pid process

756 Invoice# 77-83992-8297382 (2).exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Invoice# 77-83992-8297382 (2).exeInvoice# 77-83992-8297382 (2).exe

description pid process

Token: SeDebugPrivilege 744 Invoice# 77-83992-8297382 (2).exe
Token: SeDebugPrivilege 756 Invoice# 77-83992-8297382 (2).exe

pid	process
756	Invoice# 77-83992-8297382 (2).exe

description	pid	process
Token: SeDebugPrivilege	744	Invoice# 77-83992-8297382 (2).exe
Token: SeDebugPrivilege	756	Invoice# 77-83992-8297382 (2).exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Invoice# 77-83992-8297382 (2).exe

description	pid	process	target process
PID 744 wrote to memory of 756	744	Invoice# 77-83992-8297382 (2).exe	Invoice# 77-83992-8297382 (2).exe
PID 744 wrote to memory of 756	744	Invoice# 77-83992-8297382 (2).exe	Invoice# 77-83992-8297382 (2).exe
PID 744 wrote to memory of 756	744	Invoice# 77-83992-8297382 (2).exe	Invoice# 77-83992-8297382 (2).exe
PID 744 wrote to memory of 756	744	Invoice# 77-83992-8297382 (2).exe	Invoice# 77-83992-8297382 (2).exe
PID 744 wrote to memory of 756	744	Invoice# 77-83992-8297382 (2).exe	Invoice# 77-83992-8297382 (2).exe
PID 744 wrote to memory of 756	744	Invoice# 77-83992-8297382 (2).exe	Invoice# 77-83992-8297382 (2).exe
PID 744 wrote to memory of 756	744	Invoice# 77-83992-8297382 (2).exe	Invoice# 77-83992-8297382 (2).exe
PID 744 wrote to memory of 756	744	Invoice# 77-83992-8297382 (2).exe	Invoice# 77-83992-8297382 (2).exe

C:\Users\Admin\AppData\Local\Temp\Invoice# 77-83992-8297382 (2).exe
"C:\Users\Admin\AppData\Local\Temp\Invoice# 77-83992-8297382 (2).exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:744

C:\Users\Admin\AppData\Local\Temp\Invoice# 77-83992-8297382 (2).exe
"C:\Users\Admin\AppData\Local\Temp\Invoice# 77-83992-8297382 (2).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:756

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Invoice# 77-83992-8297382 (2).exe.log
MD5
c820f09a0724473fd6684dd8b9c64fb1

SHA1
942b2f32ba228d7b94dbcf4ab070a42dc9f32e2e

SHA256
7e1b78804f89cd762348a40693f64baa0a4b862eddfc0b9d2cc76468800bd1cf

SHA512
d13768677837673826302113e280bb1e9241b0000028e0709bc07fa59dce393ed9f828aa761349e89c0ebedfbac78723dac376bb00b0e2b8707b2379163ce907

Download Submit
memory/744-3-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/744-5-0x0000000004D70000-0x0000000004D71000-memory.dmp

Filesize
4KB

Download
memory/744-6-0x00000000026D0000-0x00000000026EE000-memory.dmp

Filesize
120KB

Download
memory/744-7-0x0000000002730000-0x0000000002731000-memory.dmp

Filesize
4KB

Download
memory/744-8-0x0000000007630000-0x0000000007631000-memory.dmp

Filesize
4KB

Download
memory/744-9-0x0000000007870000-0x000000000787B000-memory.dmp

Filesize
44KB

Download
memory/744-10-0x000000000B570000-0x000000000B571000-memory.dmp

Filesize
4KB

Download
memory/744-2-0x0000000073A20000-0x000000007410E000-memory.dmp

Filesize
6.9MB

Download
memory/756-14-0x0000000073A20000-0x000000007410E000-memory.dmp

Filesize
6.9MB

Download
memory/756-23-0x0000000005960000-0x0000000005963000-memory.dmp

Filesize
12KB

Download
memory/756-15-0x0000000000700000-0x0000000000738000-memory.dmp

Filesize
224KB

Download
memory/756-17-0x00000000051D0000-0x00000000051D1000-memory.dmp

Filesize
4KB

Download
memory/756-20-0x0000000004B90000-0x0000000004B91000-memory.dmp

Filesize
4KB

Download
memory/756-21-0x00000000051A0000-0x00000000051A5000-memory.dmp

Filesize
20KB

Download
memory/756-22-0x00000000051B0000-0x00000000051C9000-memory.dmp

Filesize
100KB

Download
memory/756-12-0x000000000041E792-mapping.dmp

Download
memory/756-24-0x0000000005970000-0x000000000597D000-memory.dmp

Filesize
52KB

Download
memory/756-25-0x0000000005A90000-0x0000000005A9F000-memory.dmp

Filesize
60KB

Download
memory/756-27-0x0000000005C10000-0x0000000005C39000-memory.dmp

Filesize
164KB

Download
memory/756-26-0x0000000005AB0000-0x0000000005ABA000-memory.dmp

Filesize
40KB

Download
memory/756-28-0x0000000005C40000-0x0000000005C4F000-memory.dmp

Filesize
60KB

Download
memory/756-29-0x0000000005E00000-0x0000000005E01000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads