nanocore | 3c2daa4ecb8f4bc2b90512d3c6058237e0270de2571e2ea3b63ff99323f1ccfa

General

Target

3c2daa4ecb8f4bc2b90512d3c6058237e0270de2571e2ea3b63ff99323f1ccfaN.exe
Size

4.0MB
MD5

2c846050c37720b14348df55de34e430
SHA1

a72de34b54dc6a7a9553335251c90d2de3e2d728
SHA256

3c2daa4ecb8f4bc2b90512d3c6058237e0270de2571e2ea3b63ff99323f1ccfa
SHA512

f7cc5ab885ae770697a80ee2416c15fc0ffcd6777b7a609a4d02b81e6dbed73a5acd7c51d8c2e74617c1741f2c0186eb2a50ba5492f17f16f1095783b88e6fe6
SSDEEP

24576:Etb20pkfCqT5TBWgNQ7aWS6aWTtVXVChV1SzCaJWN7W6A7:tCg5tQ7aCbTvEhVgGaJ8q57

Score

10^/10

nanocore discovery keylogger spyware stealer trojan upx

Malware Config

Signatures

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore
Nanocore family
nanocore

Downloads MZ/PE file 1 IoCs

flow	pid	Process
30	5076	Process not Found

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svcmgr.org.url	3c2daa4ecb8f4bc2b90512d3c6058237e0270de2571e2ea3b63ff99323f1ccfaN.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly\Desktop.ini	MSBuild.exe
File created	C:\Windows\assembly\Desktop.ini	MSBuild.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1928-3-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral2/memory/1928-4-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral2/memory/1928-5-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral2/memory/1928-6-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral2/memory/1928-18-0x0000000000400000-0x000000000046C000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	MSBuild.exe
File created	C:\Windows\assembly\Desktop.ini	MSBuild.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	MSBuild.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	3c2daa4ecb8f4bc2b90512d3c6058237e0270de2571e2ea3b63ff99323f1ccfaN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
3460	MicrosoftEdgeUpdate.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
4872	3c2daa4ecb8f4bc2b90512d3c6058237e0270de2571e2ea3b63ff99323f1ccfaN.exe
4872	3c2daa4ecb8f4bc2b90512d3c6058237e0270de2571e2ea3b63ff99323f1ccfaN.exe
4872	3c2daa4ecb8f4bc2b90512d3c6058237e0270de2571e2ea3b63ff99323f1ccfaN.exe
4872	3c2daa4ecb8f4bc2b90512d3c6058237e0270de2571e2ea3b63ff99323f1ccfaN.exe
4872	3c2daa4ecb8f4bc2b90512d3c6058237e0270de2571e2ea3b63ff99323f1ccfaN.exe
4872	3c2daa4ecb8f4bc2b90512d3c6058237e0270de2571e2ea3b63ff99323f1ccfaN.exe
4872	3c2daa4ecb8f4bc2b90512d3c6058237e0270de2571e2ea3b63ff99323f1ccfaN.exe
4872	3c2daa4ecb8f4bc2b90512d3c6058237e0270de2571e2ea3b63ff99323f1ccfaN.exe
1928	MSBuild.exe
1928	MSBuild.exe
1928	MSBuild.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1928	MSBuild.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4872	3c2daa4ecb8f4bc2b90512d3c6058237e0270de2571e2ea3b63ff99323f1ccfaN.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1928	MSBuild.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
4872	3c2daa4ecb8f4bc2b90512d3c6058237e0270de2571e2ea3b63ff99323f1ccfaN.exe
4872	3c2daa4ecb8f4bc2b90512d3c6058237e0270de2571e2ea3b63ff99323f1ccfaN.exe
4872	3c2daa4ecb8f4bc2b90512d3c6058237e0270de2571e2ea3b63ff99323f1ccfaN.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
4872	3c2daa4ecb8f4bc2b90512d3c6058237e0270de2571e2ea3b63ff99323f1ccfaN.exe
4872	3c2daa4ecb8f4bc2b90512d3c6058237e0270de2571e2ea3b63ff99323f1ccfaN.exe
4872	3c2daa4ecb8f4bc2b90512d3c6058237e0270de2571e2ea3b63ff99323f1ccfaN.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4872 wrote to memory of 1928	4872	3c2daa4ecb8f4bc2b90512d3c6058237e0270de2571e2ea3b63ff99323f1ccfaN.exe	89
PID 4872 wrote to memory of 1928	4872	3c2daa4ecb8f4bc2b90512d3c6058237e0270de2571e2ea3b63ff99323f1ccfaN.exe	89
PID 4872 wrote to memory of 1928	4872	3c2daa4ecb8f4bc2b90512d3c6058237e0270de2571e2ea3b63ff99323f1ccfaN.exe	89
PID 4872 wrote to memory of 1928	4872	3c2daa4ecb8f4bc2b90512d3c6058237e0270de2571e2ea3b63ff99323f1ccfaN.exe	89

C:\Users\Admin\AppData\Local\Temp\3c2daa4ecb8f4bc2b90512d3c6058237e0270de2571e2ea3b63ff99323f1ccfaN.exe
"C:\Users\Admin\AppData\Local\Temp\3c2daa4ecb8f4bc2b90512d3c6058237e0270de2571e2ea3b63ff99323f1ccfaN.exe"
1⤵
- Drops startup file
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4872
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
  "C:\Users\Admin\AppData\Local\Temp\3c2daa4ecb8f4bc2b90512d3c6058237e0270de2571e2ea3b63ff99323f1ccfaN.exe"
  2⤵
  - Drops desktop.ini file(s)
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:1928

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI0IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDcxNzgiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxOTY4MDM3MTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI0NzA5MDU4NjExIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:3460

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1928-14-0x00000000734D0000-0x0000000073A81000-memory.dmp

Filesize
5.7MB

Download
memory/1928-23-0x00000000734D0000-0x0000000073A81000-memory.dmp

Filesize
5.7MB

Download
memory/1928-4-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/1928-5-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/1928-6-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/1928-7-0x00000000734D2000-0x00000000734D3000-memory.dmp

Filesize
4KB

Download
memory/1928-8-0x00000000734D0000-0x0000000073A81000-memory.dmp

Filesize
5.7MB

Download
memory/1928-12-0x00000000734D0000-0x0000000073A81000-memory.dmp

Filesize
5.7MB

Download
memory/1928-25-0x00000000734D0000-0x0000000073A81000-memory.dmp

Filesize
5.7MB

Download
memory/1928-3-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/1928-11-0x00000000734D0000-0x0000000073A81000-memory.dmp

Filesize
5.7MB

Download
memory/1928-15-0x00000000734D0000-0x0000000073A81000-memory.dmp

Filesize
5.7MB

Download
memory/1928-24-0x00000000734D0000-0x0000000073A81000-memory.dmp

Filesize
5.7MB

Download
memory/1928-18-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/1928-19-0x00000000734D2000-0x00000000734D3000-memory.dmp

Filesize
4KB

Download
memory/1928-20-0x00000000734D0000-0x0000000073A81000-memory.dmp

Filesize
5.7MB

Download
memory/1928-21-0x00000000734D0000-0x0000000073A81000-memory.dmp

Filesize
5.7MB

Download
memory/1928-13-0x00000000734D0000-0x0000000073A81000-memory.dmp

Filesize
5.7MB

Download
memory/4872-17-0x0000000003AA0000-0x0000000003AA3000-memory.dmp

Filesize
12KB

Download
memory/4872-0-0x0000000003AA0000-0x0000000003AA3000-memory.dmp

Filesize
12KB

Download

Analysis

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