nanocore | 5c74634f1a47adb7daf3d1c3bd1bdd86dddeaf869d93a0a43560847fc7bd0e92

General

Target

LigmaMario.exe
Size

436KB
MD5

f77577f0e36ff135ca4a2f54379c9c04
SHA1

c60ad4c2f9f156c22555922d2209e3b2e843641c
SHA256

5c74634f1a47adb7daf3d1c3bd1bdd86dddeaf869d93a0a43560847fc7bd0e92
SHA512

29871862a643b7f117efcfdec0c6fb5e1b424ac41a4ed212dbe92899de41ee61c50f0bc259957b4c22c9ec4bba1c642671be3298b7db1a5f98f17e3d8acc591f
SSDEEP

6144:CkmGOiD1Gva8ooQz2l73M8cYDKoAX+PhmVsGBn/99vl2ITtwEMmWhG1:4TW8oB2l3Mt2X4MmVskLN2ITlMzG

Score

10^/10

nanocore defense_evasion discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

192.168.1.51:54984

127.0.0.1:54984

Mutex

6c6b774f-88c0-4072-9a76-294c9fb59461

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2024-12-04T20:07:27.130829536Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
54984
default_group
Default
enable_debug_mode
true
gc_threshold
1.048576e+07
keep_alive_timeout
30000
keyboard_logging
false
lan_timeout
2530
max_packet_size
1.048576e+07
mutex
6c6b774f-88c0-4072-9a76-294c9fb59461
mutex_timeout
5006
prevent_system_sleep
false
primary_connection_host
192.168.1.51
primary_dns_server
8.8.8.8
request_elevation
false
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
Nanocore family
nanocore

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\NAS Manager = "C:\\Program Files (x86)\\NAS Manager\\nasmgr.exe"	RegAsm.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

defense_evasion trojan

System Information Discovery

T1082

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2136 set thread context of 2000	2136	LigmaMario.exe	88

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\NAS Manager\nasmgr.exe	RegAsm.exe
File opened for modification	C:\Program Files (x86)\NAS Manager\nasmgr.exe	RegAsm.exe

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	LigmaMario.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1652	schtasks.exe
3248	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2136	LigmaMario.exe
2136	LigmaMario.exe
2136	LigmaMario.exe
2136	LigmaMario.exe
2000	RegAsm.exe
2000	RegAsm.exe
2000	RegAsm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2000	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2136	LigmaMario.exe
Token: SeDebugPrivilege	2000	RegAsm.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 216	2136	LigmaMario.exe	86
PID 2136 wrote to memory of 216	2136	LigmaMario.exe	86
PID 2136 wrote to memory of 216	2136	LigmaMario.exe	86
PID 2136 wrote to memory of 4000	2136	LigmaMario.exe	87
PID 2136 wrote to memory of 4000	2136	LigmaMario.exe	87
PID 2136 wrote to memory of 4000	2136	LigmaMario.exe	87
PID 2136 wrote to memory of 2000	2136	LigmaMario.exe	88
PID 2136 wrote to memory of 2000	2136	LigmaMario.exe	88
PID 2136 wrote to memory of 2000	2136	LigmaMario.exe	88
PID 2136 wrote to memory of 2000	2136	LigmaMario.exe	88
PID 2136 wrote to memory of 2000	2136	LigmaMario.exe	88
PID 2136 wrote to memory of 2000	2136	LigmaMario.exe	88
PID 2136 wrote to memory of 2000	2136	LigmaMario.exe	88
PID 2136 wrote to memory of 2000	2136	LigmaMario.exe	88
PID 2000 wrote to memory of 1652	2000	RegAsm.exe	89
PID 2000 wrote to memory of 1652	2000	RegAsm.exe	89
PID 2000 wrote to memory of 1652	2000	RegAsm.exe	89
PID 2000 wrote to memory of 3248	2000	RegAsm.exe	91
PID 2000 wrote to memory of 3248	2000	RegAsm.exe	91
PID 2000 wrote to memory of 3248	2000	RegAsm.exe	91

C:\Users\Admin\AppData\Local\Temp\LigmaMario.exe
"C:\Users\Admin\AppData\Local\Temp\LigmaMario.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2136
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:216
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:4000
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2000
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "NAS Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmpDB9B.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1652
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "NAS Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpDBF9.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3248

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpDB9B.tmp

Filesize
1KB

MD5
48ef7fa9033389ad7929d7a6b9d10298

SHA1
9db6cb7325c8bdf66a15f7b5f34703709a45aeb6

SHA256
0c1b5f67eeb276d1d4205b138ce32bc6149924e02281a2db8e4623a700e88f15

SHA512
ac8bd104ecbacc9bccce9e087f67e5b18072d59367ccd31d4e66132b6baaea520cba5b9b59464483d86abf74826b382c402f12e9a586c99bda8c78a0de33944e

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDBF9.tmp

Filesize
1KB

MD5
37972343c32d4ffa794c46c734bdbdfb

SHA1
f2ad1ea334fe9c2732d1f143fe13fdfc6349832a

SHA256
494a9aa377a68c73f23612a14c1de12da4e6401d2a151e15377ba0d51cbc1ee0

SHA512
2b76b3f73f651ce87221094e638c27f24c9f1a23d42173e6f586300b4147ecfd2075a1feb478361bc44bbcb168b9616ce302d9565f357a9d62e52c5e14699056

Download Submit
memory/2000-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2000-26-0x00000000752D0000-0x0000000075A80000-memory.dmp

Filesize
7.7MB

Download
memory/2000-25-0x0000000006B50000-0x0000000006B5A000-memory.dmp

Filesize
40KB

Download
memory/2000-24-0x0000000006920000-0x000000000693E000-memory.dmp

Filesize
120KB

Download
memory/2000-23-0x0000000005CA0000-0x0000000005CAA000-memory.dmp

Filesize
40KB

Download
memory/2000-15-0x0000000005890000-0x000000000592C000-memory.dmp

Filesize
624KB

Download
memory/2000-14-0x00000000752D0000-0x0000000075A80000-memory.dmp

Filesize
7.7MB

Download
memory/2136-5-0x0000000004AF0000-0x0000000004AFA000-memory.dmp

Filesize
40KB

Download
memory/2136-10-0x0000000004E10000-0x0000000004E2E000-memory.dmp

Filesize
120KB

Download
memory/2136-9-0x0000000004B00000-0x0000000004B3C000-memory.dmp

Filesize
240KB

Download
memory/2136-13-0x00000000752D0000-0x0000000075A80000-memory.dmp

Filesize
7.7MB

Download
memory/2136-8-0x00000000752D0000-0x0000000075A80000-memory.dmp

Filesize
7.7MB

Download
memory/2136-7-0x00000000752DE000-0x00000000752DF000-memory.dmp

Filesize
4KB

Download
memory/2136-6-0x0000000004D70000-0x0000000004DE6000-memory.dmp

Filesize
472KB

Download
memory/2136-0-0x00000000752DE000-0x00000000752DF000-memory.dmp

Filesize
4KB

Download
memory/2136-4-0x00000000752D0000-0x0000000075A80000-memory.dmp

Filesize
7.7MB

Download
memory/2136-3-0x0000000004B40000-0x0000000004BD2000-memory.dmp

Filesize
584KB

Download
memory/2136-2-0x0000000005010000-0x00000000055B4000-memory.dmp

Filesize
5.6MB

Download
memory/2136-1-0x0000000000080000-0x00000000000F4000-memory.dmp

Filesize
464KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads