nanocore | 72aa6b57a853c9e9c39833e16e5a2dca88847e27cfe10d57175990b20555a894

General

Target

PO-13916654658867654342003.exe
Size

574KB
MD5

7ae160bfca29e0c7c3fb4a98a29b32d7
SHA1

49d5ca7f388c754d7f8a2723f154cf04a849487c
SHA256

f18fe72903701dbb74e8c8baadac476f740cd30fb6643e79a2320d168e7835c6
SHA512

1f7fe7428879702e4cac93e0fbd7075dd6839835b877bf075f5538c2593fee51352ca15bec7e811b64a8349d03669b11b1ae38933a071d6fb6c9655b77452713

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:

dwrninstall.exedwrninstall.exe

pid process

1752 dwrninstall.exe
952 dwrninstall.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
1752	dwrninstall.exe
952	dwrninstall.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-13916654658867654342003.exedwrninstall.exedwrninstall.exe

description	pid	process	target process
PID 2024 set thread context of 472	2024	PO-13916654658867654342003.exe	RegAsm.exe
PID 1752 set thread context of 1640	1752	dwrninstall.exe	RegAsm.exe
PID 952 set thread context of 740	952	dwrninstall.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

952 schtasks.exe
668 schtasks.exe
1556 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegAsm.exe

pid process

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

Processes:

RegAsm.exe

pid process

472 RegAsm.exe

pid	process
952	schtasks.exe
668	schtasks.exe
1556	schtasks.exe

pid	process
472	RegAsm.exe
472	RegAsm.exe

pid	process
472	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

PO-13916654658867654342003.exeRegAsm.exedwrninstall.exedwrninstall.exe

description	pid	process
Token: SeDebugPrivilege	2024	PO-13916654658867654342003.exe
Token: SeDebugPrivilege	472	RegAsm.exe
Token: SeDebugPrivilege	1752	dwrninstall.exe
Token: SeDebugPrivilege	952	dwrninstall.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

PO-13916654658867654342003.execmd.exetaskeng.exedwrninstall.execmd.exedwrninstall.exe

description	pid	process	target process
PID 2024 wrote to memory of 472	2024	PO-13916654658867654342003.exe	RegAsm.exe
PID 2024 wrote to memory of 472	2024	PO-13916654658867654342003.exe	RegAsm.exe
PID 2024 wrote to memory of 472	2024	PO-13916654658867654342003.exe	RegAsm.exe
PID 2024 wrote to memory of 472	2024	PO-13916654658867654342003.exe	RegAsm.exe
PID 2024 wrote to memory of 472	2024	PO-13916654658867654342003.exe	RegAsm.exe
PID 2024 wrote to memory of 472	2024	PO-13916654658867654342003.exe	RegAsm.exe
PID 2024 wrote to memory of 472	2024	PO-13916654658867654342003.exe	RegAsm.exe
PID 2024 wrote to memory of 472	2024	PO-13916654658867654342003.exe	RegAsm.exe
PID 2024 wrote to memory of 472	2024	PO-13916654658867654342003.exe	RegAsm.exe
PID 2024 wrote to memory of 472	2024	PO-13916654658867654342003.exe	RegAsm.exe
PID 2024 wrote to memory of 472	2024	PO-13916654658867654342003.exe	RegAsm.exe
PID 2024 wrote to memory of 472	2024	PO-13916654658867654342003.exe	RegAsm.exe
PID 2024 wrote to memory of 1308	2024	PO-13916654658867654342003.exe	cmd.exe
PID 2024 wrote to memory of 1308	2024	PO-13916654658867654342003.exe	cmd.exe
PID 2024 wrote to memory of 1308	2024	PO-13916654658867654342003.exe	cmd.exe
PID 2024 wrote to memory of 1308	2024	PO-13916654658867654342003.exe	cmd.exe
PID 2024 wrote to memory of 880	2024	PO-13916654658867654342003.exe	cmd.exe
PID 2024 wrote to memory of 880	2024	PO-13916654658867654342003.exe	cmd.exe
PID 2024 wrote to memory of 880	2024	PO-13916654658867654342003.exe	cmd.exe
PID 2024 wrote to memory of 880	2024	PO-13916654658867654342003.exe	cmd.exe
PID 1308 wrote to memory of 952	1308	cmd.exe	schtasks.exe
PID 1308 wrote to memory of 952	1308	cmd.exe	schtasks.exe
PID 1308 wrote to memory of 952	1308	cmd.exe	schtasks.exe
PID 1308 wrote to memory of 952	1308	cmd.exe	schtasks.exe
PID 1740 wrote to memory of 1752	1740	taskeng.exe	dwrninstall.exe
PID 1740 wrote to memory of 1752	1740	taskeng.exe	dwrninstall.exe
PID 1740 wrote to memory of 1752	1740	taskeng.exe	dwrninstall.exe
PID 1740 wrote to memory of 1752	1740	taskeng.exe	dwrninstall.exe
PID 1740 wrote to memory of 1752	1740	taskeng.exe	dwrninstall.exe
PID 1740 wrote to memory of 1752	1740	taskeng.exe	dwrninstall.exe
PID 1740 wrote to memory of 1752	1740	taskeng.exe	dwrninstall.exe
PID 1752 wrote to memory of 1640	1752	dwrninstall.exe	RegAsm.exe
PID 1752 wrote to memory of 1640	1752	dwrninstall.exe	RegAsm.exe
PID 1752 wrote to memory of 1640	1752	dwrninstall.exe	RegAsm.exe
PID 1752 wrote to memory of 1640	1752	dwrninstall.exe	RegAsm.exe
PID 1752 wrote to memory of 1640	1752	dwrninstall.exe	RegAsm.exe
PID 1752 wrote to memory of 1640	1752	dwrninstall.exe	RegAsm.exe
PID 1752 wrote to memory of 1640	1752	dwrninstall.exe	RegAsm.exe
PID 1752 wrote to memory of 1640	1752	dwrninstall.exe	RegAsm.exe
PID 1752 wrote to memory of 1640	1752	dwrninstall.exe	RegAsm.exe
PID 1752 wrote to memory of 1640	1752	dwrninstall.exe	RegAsm.exe
PID 1752 wrote to memory of 1640	1752	dwrninstall.exe	RegAsm.exe
PID 1752 wrote to memory of 1640	1752	dwrninstall.exe	RegAsm.exe
PID 1752 wrote to memory of 1676	1752	dwrninstall.exe	cmd.exe
PID 1752 wrote to memory of 1676	1752	dwrninstall.exe	cmd.exe
PID 1752 wrote to memory of 1676	1752	dwrninstall.exe	cmd.exe
PID 1752 wrote to memory of 1676	1752	dwrninstall.exe	cmd.exe
PID 1752 wrote to memory of 572	1752	dwrninstall.exe	cmd.exe
PID 1752 wrote to memory of 572	1752	dwrninstall.exe	cmd.exe
PID 1752 wrote to memory of 572	1752	dwrninstall.exe	cmd.exe
PID 1752 wrote to memory of 572	1752	dwrninstall.exe	cmd.exe
PID 1676 wrote to memory of 668	1676	cmd.exe	schtasks.exe
PID 1676 wrote to memory of 668	1676	cmd.exe	schtasks.exe
PID 1676 wrote to memory of 668	1676	cmd.exe	schtasks.exe
PID 1676 wrote to memory of 668	1676	cmd.exe	schtasks.exe
PID 1740 wrote to memory of 952	1740	taskeng.exe	dwrninstall.exe
PID 1740 wrote to memory of 952	1740	taskeng.exe	dwrninstall.exe
PID 1740 wrote to memory of 952	1740	taskeng.exe	dwrninstall.exe
PID 1740 wrote to memory of 952	1740	taskeng.exe	dwrninstall.exe
PID 1740 wrote to memory of 952	1740	taskeng.exe	dwrninstall.exe
PID 1740 wrote to memory of 952	1740	taskeng.exe	dwrninstall.exe
PID 1740 wrote to memory of 952	1740	taskeng.exe	dwrninstall.exe
PID 952 wrote to memory of 740	952	dwrninstall.exe	RegAsm.exe
PID 952 wrote to memory of 740	952	dwrninstall.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\PO-13916654658867654342003.exe
"C:\Users\Admin\AppData\Local\Temp\PO-13916654658867654342003.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2024

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:472

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\dwrninstall\dwrninstall.exe'" /f
2⤵
- Suspicious use of WriteProcessMemory
PID:1308

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\dwrninstall\dwrninstall.exe'" /f
3⤵
- Creates scheduled task(s)
PID:952

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\PO-13916654658867654342003.exe" "C:\Users\Admin\AppData\Roaming\dwrninstall\dwrninstall.exe"
2⤵
PID:880

C:\Windows\system32\taskeng.exe
taskeng.exe {9CE1AAE5-9B16-4BE9-BDA4-183F55B9FB20} S-1-5-21-3456797065-1076791440-4146276586-1000:JZCKHXIN\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1740

C:\Users\Admin\AppData\Roaming\dwrninstall\dwrninstall.exe
C:\Users\Admin\AppData\Roaming\dwrninstall\dwrninstall.exe
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1752

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
3⤵
PID:1640

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\dwrninstall\dwrninstall.exe'" /f
3⤵
- Suspicious use of WriteProcessMemory
PID:1676

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\dwrninstall\dwrninstall.exe'" /f
4⤵
- Creates scheduled task(s)
PID:668

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Roaming\dwrninstall\dwrninstall.exe" "C:\Users\Admin\AppData\Roaming\dwrninstall\dwrninstall.exe"
3⤵
PID:572

C:\Users\Admin\AppData\Roaming\dwrninstall\dwrninstall.exe
C:\Users\Admin\AppData\Roaming\dwrninstall\dwrninstall.exe
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:952

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
3⤵
PID:740

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\dwrninstall\dwrninstall.exe'" /f
3⤵
PID:1560

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\dwrninstall\dwrninstall.exe'" /f
4⤵
- Creates scheduled task(s)
PID:1556

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Roaming\dwrninstall\dwrninstall.exe" "C:\Users\Admin\AppData\Roaming\dwrninstall\dwrninstall.exe"
3⤵
PID:1208

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\Roaming\dwrninstall\dwrninstall.exe
MD5
7ae160bfca29e0c7c3fb4a98a29b32d7

SHA1
49d5ca7f388c754d7f8a2723f154cf04a849487c

SHA256
f18fe72903701dbb74e8c8baadac476f740cd30fb6643e79a2320d168e7835c6

SHA512
1f7fe7428879702e4cac93e0fbd7075dd6839835b877bf075f5538c2593fee51352ca15bec7e811b64a8349d03669b11b1ae38933a071d6fb6c9655b77452713

Download Submit
C:\Users\Admin\AppData\Roaming\dwrninstall\dwrninstall.exe
MD5
7ae160bfca29e0c7c3fb4a98a29b32d7

SHA1
49d5ca7f388c754d7f8a2723f154cf04a849487c

SHA256
f18fe72903701dbb74e8c8baadac476f740cd30fb6643e79a2320d168e7835c6

SHA512
1f7fe7428879702e4cac93e0fbd7075dd6839835b877bf075f5538c2593fee51352ca15bec7e811b64a8349d03669b11b1ae38933a071d6fb6c9655b77452713

Download Submit
C:\Users\Admin\AppData\Roaming\dwrninstall\dwrninstall.exe
MD5
7ae160bfca29e0c7c3fb4a98a29b32d7

SHA1
49d5ca7f388c754d7f8a2723f154cf04a849487c

SHA256
f18fe72903701dbb74e8c8baadac476f740cd30fb6643e79a2320d168e7835c6

SHA512
1f7fe7428879702e4cac93e0fbd7075dd6839835b877bf075f5538c2593fee51352ca15bec7e811b64a8349d03669b11b1ae38933a071d6fb6c9655b77452713

Download Submit
memory/472-69-0x0000000075821000-0x0000000075823000-memory.dmp

Filesize
8KB

Download
memory/472-58-0x0000000000090000-0x00000000000C8000-memory.dmp

Filesize
224KB

Download
memory/472-59-0x0000000000090000-0x00000000000C8000-memory.dmp

Filesize
224KB

Download
memory/472-61-0x000000000041E792-mapping.dmp

Download
memory/472-62-0x0000000000090000-0x00000000000C8000-memory.dmp

Filesize
224KB

Download
memory/472-65-0x0000000000090000-0x00000000000C8000-memory.dmp

Filesize
224KB

Download
memory/472-68-0x0000000000090000-0x00000000000C8000-memory.dmp

Filesize
224KB

Download
memory/472-57-0x0000000000090000-0x00000000000C8000-memory.dmp

Filesize
224KB

Download
memory/472-56-0x0000000000090000-0x00000000000C8000-memory.dmp

Filesize
224KB

Download
memory/472-79-0x0000000004D45000-0x0000000004D56000-memory.dmp

Filesize
68KB

Download
memory/472-71-0x0000000000090000-0x0000000000092000-memory.dmp

Filesize
8KB

Download
memory/472-78-0x0000000004D40000-0x0000000004D41000-memory.dmp

Filesize
4KB

Download
memory/472-75-0x0000000000620000-0x0000000000625000-memory.dmp

Filesize
20KB

Download
memory/472-76-0x0000000000680000-0x0000000000699000-memory.dmp

Filesize
100KB

Download
memory/472-77-0x00000000006A0000-0x00000000006A3000-memory.dmp

Filesize
12KB

Download
memory/572-96-0x0000000000000000-mapping.dmp

Download
memory/668-97-0x0000000000000000-mapping.dmp

Download
memory/740-116-0x0000000000860000-0x0000000000861000-memory.dmp

Filesize
4KB

Download
memory/740-109-0x000000000041E792-mapping.dmp

Download
memory/880-73-0x0000000000000000-mapping.dmp

Download
memory/952-74-0x0000000000000000-mapping.dmp

Download
memory/952-103-0x0000000004DA0000-0x0000000004DA1000-memory.dmp

Filesize
4KB

Download
memory/952-101-0x0000000000360000-0x0000000000361000-memory.dmp

Filesize
4KB

Download
memory/952-99-0x0000000000000000-mapping.dmp

Download
memory/1208-114-0x0000000000000000-mapping.dmp

Download
memory/1308-70-0x0000000000000000-mapping.dmp

Download
memory/1556-115-0x0000000000000000-mapping.dmp

Download
memory/1560-113-0x0000000000000000-mapping.dmp

Download
memory/1640-98-0x0000000000980000-0x0000000000981000-memory.dmp

Filesize
4KB

Download
memory/1640-91-0x000000000041E792-mapping.dmp

Download
memory/1640-90-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1640-94-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1676-93-0x0000000000000000-mapping.dmp

Download
memory/1752-83-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/1752-85-0x0000000004A70000-0x0000000004A71000-memory.dmp

Filesize
4KB

Download
memory/1752-81-0x0000000000000000-mapping.dmp

Download
memory/2024-55-0x0000000004700000-0x0000000004701000-memory.dmp

Filesize
4KB

Download
memory/2024-53-0x0000000000050000-0x0000000000051000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads