nanocore | e5e35c2cfe25d9cb5f048b3dcb989b12886db08356b8a1a5241dfae96704e1c9

General

Target

PO-13916654658867654342002.exe
Size

479KB
MD5

6102daa4935e016dea8dc3eec27d2ac1
SHA1

c5320bd4d54b856aa90bc7a92ca9ce5dc22e70ca
SHA256

5d192cc1e5d9569479192b9ca7147953428158484ab4f5c0480ad220688fbfce
SHA512

92d0683cc73ea1479426a5869cc66be21b28482069af8c8fceb69ea183d978d5f600323011c7944a1b618b11e3a56d4371aaf8dcc3238098c4388eccd5115b51

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

185.157.160.229:60006

neoncorex.duckdns.org:60006

Mutex

1d5c6a3e-60c1-4684-aee7-fbdc0338bfa0

Attributes

activate_away_mode
true
backup_connection_host
neoncorex.duckdns.org
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-07-29T18:43:26.772131836Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
true
connect_delay
4000
connection_port
60006
default_group
NANOSHIELD
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
1d5c6a3e-60c1-4684-aee7-fbdc0338bfa0
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
185.157.160.229
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
Executes dropped EXE 2 IoCs

Processes:

dllinstallprint.exedllinstallprint.exe

pid process

2200 dllinstallprint.exe
3604 dllinstallprint.exe
Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

RegAsm.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA RegAsm.exe

pid	process
2200	dllinstallprint.exe
3604	dllinstallprint.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	RegAsm.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

PO-13916654658867654342002.exedllinstallprint.exedllinstallprint.exe

description	pid	process	target process
PID 1812 set thread context of 3456	1812	PO-13916654658867654342002.exe	RegAsm.exe
PID 2200 set thread context of 1768	2200	dllinstallprint.exe	RegAsm.exe
PID 3604 set thread context of 1420	3604	dllinstallprint.exe	RegAsm.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 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid process

3280 schtasks.exe
616 schtasks.exe
3096 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

RegAsm.exe

pid process

3456 RegAsm.exe
3456 RegAsm.exe
3456 RegAsm.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegAsm.exe

pid process

3456 RegAsm.exe

pid	process
3280	schtasks.exe
616	schtasks.exe
3096	schtasks.exe

pid	process
3456	RegAsm.exe
3456	RegAsm.exe
3456	RegAsm.exe

pid	process
3456	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

PO-13916654658867654342002.exeRegAsm.exedllinstallprint.exedllinstallprint.exe

description	pid	process
Token: SeDebugPrivilege	1812	PO-13916654658867654342002.exe
Token: SeDebugPrivilege	3456	RegAsm.exe
Token: SeDebugPrivilege	2200	dllinstallprint.exe
Token: SeDebugPrivilege	3604	dllinstallprint.exe

Suspicious use of WriteProcessMemory 51 IoCs

Processes:

PO-13916654658867654342002.execmd.exedllinstallprint.execmd.exedllinstallprint.execmd.exe

description	pid	process	target process
PID 1812 wrote to memory of 3456	1812	PO-13916654658867654342002.exe	RegAsm.exe
PID 1812 wrote to memory of 3456	1812	PO-13916654658867654342002.exe	RegAsm.exe
PID 1812 wrote to memory of 3456	1812	PO-13916654658867654342002.exe	RegAsm.exe
PID 1812 wrote to memory of 3456	1812	PO-13916654658867654342002.exe	RegAsm.exe
PID 1812 wrote to memory of 3456	1812	PO-13916654658867654342002.exe	RegAsm.exe
PID 1812 wrote to memory of 3456	1812	PO-13916654658867654342002.exe	RegAsm.exe
PID 1812 wrote to memory of 3456	1812	PO-13916654658867654342002.exe	RegAsm.exe
PID 1812 wrote to memory of 3456	1812	PO-13916654658867654342002.exe	RegAsm.exe
PID 1812 wrote to memory of 2896	1812	PO-13916654658867654342002.exe	cmd.exe
PID 1812 wrote to memory of 2896	1812	PO-13916654658867654342002.exe	cmd.exe
PID 1812 wrote to memory of 2896	1812	PO-13916654658867654342002.exe	cmd.exe
PID 1812 wrote to memory of 3764	1812	PO-13916654658867654342002.exe	cmd.exe
PID 1812 wrote to memory of 3764	1812	PO-13916654658867654342002.exe	cmd.exe
PID 1812 wrote to memory of 3764	1812	PO-13916654658867654342002.exe	cmd.exe
PID 2896 wrote to memory of 616	2896	cmd.exe	schtasks.exe
PID 2896 wrote to memory of 616	2896	cmd.exe	schtasks.exe
PID 2896 wrote to memory of 616	2896	cmd.exe	schtasks.exe
PID 2200 wrote to memory of 1768	2200	dllinstallprint.exe	RegAsm.exe
PID 2200 wrote to memory of 1768	2200	dllinstallprint.exe	RegAsm.exe
PID 2200 wrote to memory of 1768	2200	dllinstallprint.exe	RegAsm.exe
PID 2200 wrote to memory of 1768	2200	dllinstallprint.exe	RegAsm.exe
PID 2200 wrote to memory of 1768	2200	dllinstallprint.exe	RegAsm.exe
PID 2200 wrote to memory of 1768	2200	dllinstallprint.exe	RegAsm.exe
PID 2200 wrote to memory of 1768	2200	dllinstallprint.exe	RegAsm.exe
PID 2200 wrote to memory of 1768	2200	dllinstallprint.exe	RegAsm.exe
PID 2200 wrote to memory of 2088	2200	dllinstallprint.exe	cmd.exe
PID 2200 wrote to memory of 2088	2200	dllinstallprint.exe	cmd.exe
PID 2200 wrote to memory of 2088	2200	dllinstallprint.exe	cmd.exe
PID 2200 wrote to memory of 1724	2200	dllinstallprint.exe	cmd.exe
PID 2200 wrote to memory of 1724	2200	dllinstallprint.exe	cmd.exe
PID 2200 wrote to memory of 1724	2200	dllinstallprint.exe	cmd.exe
PID 2088 wrote to memory of 3096	2088	cmd.exe	schtasks.exe
PID 2088 wrote to memory of 3096	2088	cmd.exe	schtasks.exe
PID 2088 wrote to memory of 3096	2088	cmd.exe	schtasks.exe
PID 3604 wrote to memory of 1420	3604	dllinstallprint.exe	RegAsm.exe
PID 3604 wrote to memory of 1420	3604	dllinstallprint.exe	RegAsm.exe
PID 3604 wrote to memory of 1420	3604	dllinstallprint.exe	RegAsm.exe
PID 3604 wrote to memory of 1420	3604	dllinstallprint.exe	RegAsm.exe
PID 3604 wrote to memory of 1420	3604	dllinstallprint.exe	RegAsm.exe
PID 3604 wrote to memory of 1420	3604	dllinstallprint.exe	RegAsm.exe
PID 3604 wrote to memory of 1420	3604	dllinstallprint.exe	RegAsm.exe
PID 3604 wrote to memory of 1420	3604	dllinstallprint.exe	RegAsm.exe
PID 3604 wrote to memory of 2352	3604	dllinstallprint.exe	cmd.exe
PID 3604 wrote to memory of 2352	3604	dllinstallprint.exe	cmd.exe
PID 3604 wrote to memory of 2352	3604	dllinstallprint.exe	cmd.exe
PID 3604 wrote to memory of 1820	3604	dllinstallprint.exe	cmd.exe
PID 3604 wrote to memory of 1820	3604	dllinstallprint.exe	cmd.exe
PID 3604 wrote to memory of 1820	3604	dllinstallprint.exe	cmd.exe
PID 2352 wrote to memory of 3280	2352	cmd.exe	schtasks.exe
PID 2352 wrote to memory of 3280	2352	cmd.exe	schtasks.exe
PID 2352 wrote to memory of 3280	2352	cmd.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\PO-13916654658867654342002.exe
"C:\Users\Admin\AppData\Local\Temp\PO-13916654658867654342002.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1812

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:3456

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe'" /f
2⤵
- Suspicious use of WriteProcessMemory
PID:2896

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe'" /f
3⤵
- Creates scheduled task(s)
PID:616

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\PO-13916654658867654342002.exe" "C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe"
2⤵
PID:3764

C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe
C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2200

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
PID:1768

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe'" /f
2⤵
- Suspicious use of WriteProcessMemory
PID:2088

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe'" /f
3⤵
- Creates scheduled task(s)
PID:3096

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe" "C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe"
2⤵
PID:1724

C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe
C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3604

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
PID:1420

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe'" /f
2⤵
- Suspicious use of WriteProcessMemory
PID:2352

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe'" /f
3⤵
- Creates scheduled task(s)
PID:3280

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe" "C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe"
2⤵
PID:1820

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\RegAsm.exe.log
MD5
c3cc52ccca9ff2b6fa8d267fc350ca6b

SHA1
a68d4028333296d222e4afd75dea36fdc98d05f3

SHA256
3125b6071e2d78f575a06ed7ac32a83d9262ae64d1fa81ac43e8bfc1ef157c0e

SHA512
b0c7b2501b1a2c559795a9d178c0bbda0e03cbdbaaa2c4330ac1202a55373fe1b742078adcfa915bd6e805565a2daa6d35d64ef7a14ffcd09069f9ea6a691cc7

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\dllinstallprint.exe.log
MD5
7ffb997d789655f20c977dd932150653

SHA1
ddea3eb28fe069e99327ed7ac3ad089dcae3fc59

SHA256
d6532c4017d9cb6d1c74dcec7a255944c4099d68de37d8c88f0f72bf232a7ad3

SHA512
15801c094a49d541de42ebeee41d8f2bf9f16e5b443cdfe221ea1d8e83d23882bb897e8757f52fd43f8c403eea847f893709c21110930d2856c2a00bfe1425c2

Download Submit
C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe
MD5
6102daa4935e016dea8dc3eec27d2ac1

SHA1
c5320bd4d54b856aa90bc7a92ca9ce5dc22e70ca

SHA256
5d192cc1e5d9569479192b9ca7147953428158484ab4f5c0480ad220688fbfce

SHA512
92d0683cc73ea1479426a5869cc66be21b28482069af8c8fceb69ea183d978d5f600323011c7944a1b618b11e3a56d4371aaf8dcc3238098c4388eccd5115b51

Download Submit
C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe
MD5
6102daa4935e016dea8dc3eec27d2ac1

SHA1
c5320bd4d54b856aa90bc7a92ca9ce5dc22e70ca

SHA256
5d192cc1e5d9569479192b9ca7147953428158484ab4f5c0480ad220688fbfce

SHA512
92d0683cc73ea1479426a5869cc66be21b28482069af8c8fceb69ea183d978d5f600323011c7944a1b618b11e3a56d4371aaf8dcc3238098c4388eccd5115b51

Download Submit
C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe
MD5
6102daa4935e016dea8dc3eec27d2ac1

SHA1
c5320bd4d54b856aa90bc7a92ca9ce5dc22e70ca

SHA256
5d192cc1e5d9569479192b9ca7147953428158484ab4f5c0480ad220688fbfce

SHA512
92d0683cc73ea1479426a5869cc66be21b28482069af8c8fceb69ea183d978d5f600323011c7944a1b618b11e3a56d4371aaf8dcc3238098c4388eccd5115b51

Download Submit
memory/616-131-0x0000000000000000-mapping.dmp

Download
memory/1420-177-0x0000000004AC0000-0x0000000004FBE000-memory.dmp

Filesize
5.0MB

Download
memory/1420-166-0x000000000041E792-mapping.dmp

Download
memory/1724-153-0x0000000000000000-mapping.dmp

Download
memory/1768-156-0x0000000005470000-0x000000000596E000-memory.dmp

Filesize
5.0MB

Download
memory/1768-146-0x000000000041E792-mapping.dmp

Download
memory/1812-117-0x0000000005940000-0x0000000005941000-memory.dmp

Filesize
4KB

Download
memory/1812-118-0x0000000005440000-0x0000000005441000-memory.dmp

Filesize
4KB

Download
memory/1812-119-0x0000000002E90000-0x0000000002E91000-memory.dmp

Filesize
4KB

Download
memory/1812-120-0x00000000053C0000-0x00000000053C1000-memory.dmp

Filesize
4KB

Download
memory/1812-115-0x00000000010B0000-0x00000000010B1000-memory.dmp

Filesize
4KB

Download
memory/1820-174-0x0000000000000000-mapping.dmp

Download
memory/2088-152-0x0000000000000000-mapping.dmp

Download
memory/2200-139-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/2200-144-0x0000000000CA0000-0x0000000000CA1000-memory.dmp

Filesize
4KB

Download
memory/2352-173-0x0000000000000000-mapping.dmp

Download
memory/2896-129-0x0000000000000000-mapping.dmp

Download
memory/3096-154-0x0000000000000000-mapping.dmp

Download
memory/3280-176-0x0000000000000000-mapping.dmp

Download
memory/3456-122-0x000000000041E792-mapping.dmp

Download
memory/3456-127-0x0000000004EE0000-0x0000000004EE1000-memory.dmp

Filesize
4KB

Download
memory/3456-121-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3456-135-0x0000000004C50000-0x0000000004C51000-memory.dmp

Filesize
4KB

Download
memory/3456-136-0x0000000004C53000-0x0000000004C55000-memory.dmp

Filesize
8KB

Download
memory/3456-134-0x0000000005AE0000-0x0000000005AE3000-memory.dmp

Filesize
12KB

Download
memory/3456-133-0x0000000005270000-0x0000000005289000-memory.dmp

Filesize
100KB

Download
memory/3456-132-0x0000000005040000-0x0000000005045000-memory.dmp

Filesize
20KB

Download
memory/3604-164-0x0000000004EF0000-0x0000000004EF1000-memory.dmp

Filesize
4KB

Download
memory/3764-130-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads