nanocore | 45480a8dc0075b3959abd941115f9217c4326d2fb058ed59520b1e2abbbfc418

General

Target

45480a8dc0075b3959abd941115f9217c4326d2fb058ed59520b1e2abbbfc418.exe
Size

4.0MB
MD5

ededea3aec5aa7bac902d6ae00cb5d23
SHA1

71eab1e97d6ffdc9b79af8f7a616d96ccdd3ab79
SHA256

45480a8dc0075b3959abd941115f9217c4326d2fb058ed59520b1e2abbbfc418
SHA512

1f20cca6a0522aa51e4d74e171dd8442a97d7c6b75b909d89d810b320529776aca2544c47329b925cd6d989c24af1e67ec853fcc6e92b03093e80d089ecebb9a
SSDEEP

24576:Etb20pkfCqT5TBWgNQ7aWS6aWTtVXVChV1SzCaJWN7W6Ar:tCg5tQ7aCbTvEhVgGaJ8q5r

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

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svcmgr.org.url	45480a8dc0075b3959abd941115f9217c4326d2fb058ed59520b1e2abbbfc418.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	MSBuild.exe
File opened for modification	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/2128-5-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral2/memory/2128-6-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral2/memory/2128-4-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral2/memory/2128-3-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral2/memory/2128-18-0x0000000000400000-0x000000000046C000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

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

System Location Discovery: System Language Discovery 1 TTPs 2 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	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	45480a8dc0075b3959abd941115f9217c4326d2fb058ed59520b1e2abbbfc418.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
1984	45480a8dc0075b3959abd941115f9217c4326d2fb058ed59520b1e2abbbfc418.exe
1984	45480a8dc0075b3959abd941115f9217c4326d2fb058ed59520b1e2abbbfc418.exe
1984	45480a8dc0075b3959abd941115f9217c4326d2fb058ed59520b1e2abbbfc418.exe
1984	45480a8dc0075b3959abd941115f9217c4326d2fb058ed59520b1e2abbbfc418.exe
1984	45480a8dc0075b3959abd941115f9217c4326d2fb058ed59520b1e2abbbfc418.exe
1984	45480a8dc0075b3959abd941115f9217c4326d2fb058ed59520b1e2abbbfc418.exe
1984	45480a8dc0075b3959abd941115f9217c4326d2fb058ed59520b1e2abbbfc418.exe
1984	45480a8dc0075b3959abd941115f9217c4326d2fb058ed59520b1e2abbbfc418.exe
2128	MSBuild.exe
2128	MSBuild.exe
2128	MSBuild.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2128	MSBuild.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1984	45480a8dc0075b3959abd941115f9217c4326d2fb058ed59520b1e2abbbfc418.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2128	MSBuild.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1984	45480a8dc0075b3959abd941115f9217c4326d2fb058ed59520b1e2abbbfc418.exe
1984	45480a8dc0075b3959abd941115f9217c4326d2fb058ed59520b1e2abbbfc418.exe
1984	45480a8dc0075b3959abd941115f9217c4326d2fb058ed59520b1e2abbbfc418.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1984	45480a8dc0075b3959abd941115f9217c4326d2fb058ed59520b1e2abbbfc418.exe
1984	45480a8dc0075b3959abd941115f9217c4326d2fb058ed59520b1e2abbbfc418.exe
1984	45480a8dc0075b3959abd941115f9217c4326d2fb058ed59520b1e2abbbfc418.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 2128	1984	45480a8dc0075b3959abd941115f9217c4326d2fb058ed59520b1e2abbbfc418.exe	87
PID 1984 wrote to memory of 2128	1984	45480a8dc0075b3959abd941115f9217c4326d2fb058ed59520b1e2abbbfc418.exe	87
PID 1984 wrote to memory of 2128	1984	45480a8dc0075b3959abd941115f9217c4326d2fb058ed59520b1e2abbbfc418.exe	87
PID 1984 wrote to memory of 2128	1984	45480a8dc0075b3959abd941115f9217c4326d2fb058ed59520b1e2abbbfc418.exe	87

C:\Users\Admin\AppData\Local\Temp\45480a8dc0075b3959abd941115f9217c4326d2fb058ed59520b1e2abbbfc418.exe
"C:\Users\Admin\AppData\Local\Temp\45480a8dc0075b3959abd941115f9217c4326d2fb058ed59520b1e2abbbfc418.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:1984
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
  "C:\Users\Admin\AppData\Local\Temp\45480a8dc0075b3959abd941115f9217c4326d2fb058ed59520b1e2abbbfc418.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:2128

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1984-0-0x0000000001470000-0x0000000001473000-memory.dmp

Filesize
12KB

Download
memory/1984-17-0x0000000001470000-0x0000000001473000-memory.dmp

Filesize
12KB

Download
memory/2128-3-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2128-15-0x0000000074030000-0x00000000745E1000-memory.dmp

Filesize
5.7MB

Download
memory/2128-6-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2128-7-0x0000000074032000-0x0000000074033000-memory.dmp

Filesize
4KB

Download
memory/2128-8-0x0000000074030000-0x00000000745E1000-memory.dmp

Filesize
5.7MB

Download
memory/2128-11-0x0000000074030000-0x00000000745E1000-memory.dmp

Filesize
5.7MB

Download
memory/2128-12-0x0000000074030000-0x00000000745E1000-memory.dmp

Filesize
5.7MB

Download
memory/2128-14-0x0000000074030000-0x00000000745E1000-memory.dmp

Filesize
5.7MB

Download
memory/2128-13-0x0000000074030000-0x00000000745E1000-memory.dmp

Filesize
5.7MB

Download
memory/2128-4-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2128-5-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2128-18-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2128-19-0x0000000074032000-0x0000000074033000-memory.dmp

Filesize
4KB

Download
memory/2128-20-0x0000000074030000-0x00000000745E1000-memory.dmp

Filesize
5.7MB

Download
memory/2128-21-0x0000000074030000-0x00000000745E1000-memory.dmp

Filesize
5.7MB

Download
memory/2128-22-0x0000000074030000-0x00000000745E1000-memory.dmp

Filesize
5.7MB

Download
memory/2128-23-0x0000000074030000-0x00000000745E1000-memory.dmp

Filesize
5.7MB

Download

Analysis

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