nanocore | 9947c185b51b600edf4ad76e442cfbdf8a7621140c5197001844891312b69146

General

Target

Purchase Order #(PO-4147074).exe
Size

856KB
MD5

b3ddd600d5608af2f0e334d71fff40ed
SHA1

d3985f7660b23bb7837ab58a464259e73b15feef
SHA256

9947c185b51b600edf4ad76e442cfbdf8a7621140c5197001844891312b69146
SHA512

c1f0160ad28398ede7befe3db778e9383dd159733c18ea8d40173191d8a7d805f7021b6c1bc85a8cad45235439672e387fa773e3a2359ba4536eaac676974557

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

212.83.46.26:4021

127.0.0.1:4021

Mutex

3b0a05ab-e8be-49ea-960f-63681280e339

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-10-18T08:47:47.300087736Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
4021
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
3b0a05ab-e8be-49ea-960f-63681280e339
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
212.83.46.26
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:

Purchase Order #(PO-4147074).exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Purchase Order #(PO-4147074).exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Purchase Order #(PO-4147074).exe

description pid process target process

PID 596 set thread context of 1496 596 Purchase Order #(PO-4147074).exe Purchase Order #(PO-4147074).exe
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

432 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Purchase Order #(PO-4147074).exe

pid process

1496 Purchase Order #(PO-4147074).exe
1496 Purchase Order #(PO-4147074).exe
1496 Purchase Order #(PO-4147074).exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Purchase Order #(PO-4147074).exe

pid process

1496 Purchase Order #(PO-4147074).exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Purchase Order #(PO-4147074).exe

description pid process

Token: SeDebugPrivilege 1496 Purchase Order #(PO-4147074).exe

description	pid	process	target process
PID 596 set thread context of 1496	596	Purchase Order #(PO-4147074).exe	Purchase Order #(PO-4147074).exe

pid	process
432	schtasks.exe

pid	process
1496	Purchase Order #(PO-4147074).exe
1496	Purchase Order #(PO-4147074).exe
1496	Purchase Order #(PO-4147074).exe

pid	process
1496	Purchase Order #(PO-4147074).exe

description	pid	process
Token: SeDebugPrivilege	1496	Purchase Order #(PO-4147074).exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Purchase Order #(PO-4147074).exe

description	pid	process	target process
PID 596 wrote to memory of 432	596	Purchase Order #(PO-4147074).exe	schtasks.exe
PID 596 wrote to memory of 432	596	Purchase Order #(PO-4147074).exe	schtasks.exe
PID 596 wrote to memory of 432	596	Purchase Order #(PO-4147074).exe	schtasks.exe
PID 596 wrote to memory of 432	596	Purchase Order #(PO-4147074).exe	schtasks.exe
PID 596 wrote to memory of 1496	596	Purchase Order #(PO-4147074).exe	Purchase Order #(PO-4147074).exe
PID 596 wrote to memory of 1496	596	Purchase Order #(PO-4147074).exe	Purchase Order #(PO-4147074).exe
PID 596 wrote to memory of 1496	596	Purchase Order #(PO-4147074).exe	Purchase Order #(PO-4147074).exe
PID 596 wrote to memory of 1496	596	Purchase Order #(PO-4147074).exe	Purchase Order #(PO-4147074).exe
PID 596 wrote to memory of 1496	596	Purchase Order #(PO-4147074).exe	Purchase Order #(PO-4147074).exe
PID 596 wrote to memory of 1496	596	Purchase Order #(PO-4147074).exe	Purchase Order #(PO-4147074).exe
PID 596 wrote to memory of 1496	596	Purchase Order #(PO-4147074).exe	Purchase Order #(PO-4147074).exe
PID 596 wrote to memory of 1496	596	Purchase Order #(PO-4147074).exe	Purchase Order #(PO-4147074).exe
PID 596 wrote to memory of 1496	596	Purchase Order #(PO-4147074).exe	Purchase Order #(PO-4147074).exe

C:\Users\Admin\AppData\Local\Temp\Purchase Order #(PO-4147074).exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order #(PO-4147074).exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:596

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FTbYDVOHFNt" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE56F.tmp"
2⤵
- Creates scheduled task(s)
PID:432

C:\Users\Admin\AppData\Local\Temp\Purchase Order #(PO-4147074).exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order #(PO-4147074).exe"
2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1496

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

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpE56F.tmp
MD5
d1b758932e6c15209ddf85cc7a536f69

SHA1
cac94376a54f536771e96f289182a86adf0368ff

SHA256
f5acbf55e1481d6cabf91ce9fc6388fbe372f228470f443622ae7f3cc566aaf7

SHA512
1e22ecf3f305468f8f601eccfdec9d11770e77af947f6d4aed20a493db1ed900e29fb52d2db28fcb9bae3e039ca2a3ec7d9e48c545d49fd57f7974a28752bbd9

Download Submit
memory/432-7-0x0000000000000000-mapping.dmp

Download
memory/596-2-0x0000000073D40000-0x000000007442E000-memory.dmp

Filesize
6.9MB

Download
memory/596-3-0x0000000000F00000-0x0000000000F01000-memory.dmp

Filesize
4KB

Download
memory/596-5-0x0000000000320000-0x0000000000332000-memory.dmp

Filesize
72KB

Download
memory/596-6-0x00000000057F0000-0x0000000005885000-memory.dmp

Filesize
596KB

Download
memory/1496-10-0x000000000041E792-mapping.dmp

Download
memory/1496-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1496-9-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1496-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1496-13-0x0000000073D40000-0x000000007442E000-memory.dmp

Filesize
6.9MB

Download
memory/1496-16-0x0000000000390000-0x0000000000395000-memory.dmp

Filesize
20KB

Download
memory/1496-17-0x00000000005D0000-0x00000000005E9000-memory.dmp

Filesize
100KB

Download
memory/1496-18-0x00000000003A0000-0x00000000003A3000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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