nanocore | 25f2022272cd0ca362741d17a3194d5edeac917b983b5c0ac65b8fdb7ba9d1b3

Analysis

max time kernel
147s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
26-06-2024 19:15

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General

Target

25f2022272cd0ca362741d17a3194d5edeac917b983b5c0ac65b8fdb7ba9d1b3.exe
Size

7.4MB
MD5

e3b5559a6fcbdb17ed89abcea29b1dfb
SHA1

b7e76160a1645875012e1b72e4f405949a5f21c5
SHA256

25f2022272cd0ca362741d17a3194d5edeac917b983b5c0ac65b8fdb7ba9d1b3
SHA512

539d5537534c7be131326c8d7d51336ed2198b41646bd2bb00090a6b6782500e253e6439b2d716235fe9303cf4213852fba41b4ba85e80d65c85b51a4208e723
SSDEEP

24576:Etb20pkfCqT5TBWgNQ7aWS6aWTtVXVChV1SzCaJWN7W6AH:tCg5tQ7aCbTvEhVgGaJ8q5H

Score

10^/10

nanocore 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
Drops startup file 1 IoCs

Processes:

25f2022272cd0ca362741d17a3194d5edeac917b983b5c0ac65b8fdb7ba9d1b3.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svcmgr.org.url 25f2022272cd0ca362741d17a3194d5edeac917b983b5c0ac65b8fdb7ba9d1b3.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svcmgr.org.url	25f2022272cd0ca362741d17a3194d5edeac917b983b5c0ac65b8fdb7ba9d1b3.exe

UPX packed file 5 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/732-3-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral2/memory/732-5-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral2/memory/732-4-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral2/memory/732-6-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral2/memory/732-18-0x0000000000400000-0x000000000046C000-memory.dmp	upx

Drops desktop.ini file(s) 2 IoCs

Processes:

MSBuild.exe

description ioc process

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

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

Drops file in Windows directory 3 IoCs

Processes:

MSBuild.exe

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

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

25f2022272cd0ca362741d17a3194d5edeac917b983b5c0ac65b8fdb7ba9d1b3.exeMSBuild.exe

pid	process
4228	25f2022272cd0ca362741d17a3194d5edeac917b983b5c0ac65b8fdb7ba9d1b3.exe
4228	25f2022272cd0ca362741d17a3194d5edeac917b983b5c0ac65b8fdb7ba9d1b3.exe
4228	25f2022272cd0ca362741d17a3194d5edeac917b983b5c0ac65b8fdb7ba9d1b3.exe
4228	25f2022272cd0ca362741d17a3194d5edeac917b983b5c0ac65b8fdb7ba9d1b3.exe
4228	25f2022272cd0ca362741d17a3194d5edeac917b983b5c0ac65b8fdb7ba9d1b3.exe
4228	25f2022272cd0ca362741d17a3194d5edeac917b983b5c0ac65b8fdb7ba9d1b3.exe
4228	25f2022272cd0ca362741d17a3194d5edeac917b983b5c0ac65b8fdb7ba9d1b3.exe
4228	25f2022272cd0ca362741d17a3194d5edeac917b983b5c0ac65b8fdb7ba9d1b3.exe
732	MSBuild.exe
732	MSBuild.exe
732	MSBuild.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

MSBuild.exe

pid process

732 MSBuild.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

25f2022272cd0ca362741d17a3194d5edeac917b983b5c0ac65b8fdb7ba9d1b3.exe

pid process

4228 25f2022272cd0ca362741d17a3194d5edeac917b983b5c0ac65b8fdb7ba9d1b3.exe
4228 25f2022272cd0ca362741d17a3194d5edeac917b983b5c0ac65b8fdb7ba9d1b3.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 732 MSBuild.exe

pid	process
732	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	732	MSBuild.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

25f2022272cd0ca362741d17a3194d5edeac917b983b5c0ac65b8fdb7ba9d1b3.exe

pid	process
4228	25f2022272cd0ca362741d17a3194d5edeac917b983b5c0ac65b8fdb7ba9d1b3.exe
4228	25f2022272cd0ca362741d17a3194d5edeac917b983b5c0ac65b8fdb7ba9d1b3.exe
4228	25f2022272cd0ca362741d17a3194d5edeac917b983b5c0ac65b8fdb7ba9d1b3.exe

Suspicious use of SendNotifyMessage 3 IoCs

Processes:

25f2022272cd0ca362741d17a3194d5edeac917b983b5c0ac65b8fdb7ba9d1b3.exe

pid	process
4228	25f2022272cd0ca362741d17a3194d5edeac917b983b5c0ac65b8fdb7ba9d1b3.exe
4228	25f2022272cd0ca362741d17a3194d5edeac917b983b5c0ac65b8fdb7ba9d1b3.exe
4228	25f2022272cd0ca362741d17a3194d5edeac917b983b5c0ac65b8fdb7ba9d1b3.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

25f2022272cd0ca362741d17a3194d5edeac917b983b5c0ac65b8fdb7ba9d1b3.exe

description	pid	process	target process
PID 4228 wrote to memory of 4160	4228	25f2022272cd0ca362741d17a3194d5edeac917b983b5c0ac65b8fdb7ba9d1b3.exe	MSBuild.exe
PID 4228 wrote to memory of 4160	4228	25f2022272cd0ca362741d17a3194d5edeac917b983b5c0ac65b8fdb7ba9d1b3.exe	MSBuild.exe
PID 4228 wrote to memory of 4160	4228	25f2022272cd0ca362741d17a3194d5edeac917b983b5c0ac65b8fdb7ba9d1b3.exe	MSBuild.exe
PID 4228 wrote to memory of 732	4228	25f2022272cd0ca362741d17a3194d5edeac917b983b5c0ac65b8fdb7ba9d1b3.exe	MSBuild.exe
PID 4228 wrote to memory of 732	4228	25f2022272cd0ca362741d17a3194d5edeac917b983b5c0ac65b8fdb7ba9d1b3.exe	MSBuild.exe
PID 4228 wrote to memory of 732	4228	25f2022272cd0ca362741d17a3194d5edeac917b983b5c0ac65b8fdb7ba9d1b3.exe	MSBuild.exe
PID 4228 wrote to memory of 732	4228	25f2022272cd0ca362741d17a3194d5edeac917b983b5c0ac65b8fdb7ba9d1b3.exe	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\25f2022272cd0ca362741d17a3194d5edeac917b983b5c0ac65b8fdb7ba9d1b3.exe
"C:\Users\Admin\AppData\Local\Temp\25f2022272cd0ca362741d17a3194d5edeac917b983b5c0ac65b8fdb7ba9d1b3.exe"
1⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4228

C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
"C:\Users\Admin\AppData\Local\Temp\25f2022272cd0ca362741d17a3194d5edeac917b983b5c0ac65b8fdb7ba9d1b3.exe"
2⤵
PID:4160

C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
"C:\Users\Admin\AppData\Local\Temp\25f2022272cd0ca362741d17a3194d5edeac917b983b5c0ac65b8fdb7ba9d1b3.exe"
2⤵
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:732

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/732-14-0x0000000074090000-0x0000000074641000-memory.dmp

Filesize
5.7MB

Download
memory/732-22-0x0000000074090000-0x0000000074641000-memory.dmp

Filesize
5.7MB

Download
memory/732-5-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/732-4-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/732-6-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/732-7-0x0000000074092000-0x0000000074093000-memory.dmp

Filesize
4KB

Download
memory/732-8-0x0000000074090000-0x0000000074641000-memory.dmp

Filesize
5.7MB

Download
memory/732-9-0x0000000074090000-0x0000000074641000-memory.dmp

Filesize
5.7MB

Download
memory/732-24-0x0000000074090000-0x0000000074641000-memory.dmp

Filesize
5.7MB

Download
memory/732-3-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/732-10-0x0000000074090000-0x0000000074641000-memory.dmp

Filesize
5.7MB

Download
memory/732-15-0x0000000074090000-0x0000000074641000-memory.dmp

Filesize
5.7MB

Download
memory/732-23-0x0000000074090000-0x0000000074641000-memory.dmp

Filesize
5.7MB

Download
memory/732-18-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/732-19-0x0000000074092000-0x0000000074093000-memory.dmp

Filesize
4KB

Download
memory/732-20-0x0000000074090000-0x0000000074641000-memory.dmp

Filesize
5.7MB

Download
memory/732-21-0x0000000074090000-0x0000000074641000-memory.dmp

Filesize
5.7MB

Download
memory/732-13-0x0000000074090000-0x0000000074641000-memory.dmp

Filesize
5.7MB

Download
memory/4228-17-0x0000000002370000-0x0000000002373000-memory.dmp

Filesize
12KB

Download
memory/4228-0-0x0000000002370000-0x0000000002373000-memory.dmp

Filesize
12KB

Download