nanocore | 62c2292b71bc1c2ed6fb0c2ef21a477c3af5f75c1d0b158c0696d4272b422ea9

Analysis

max time kernel
146s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
03-01-2023 17:51

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General

Target

NanoRAT.exe
Size

203KB
MD5

36f6ca9130511f2905b8f6f4816ebc39
SHA1

2ae43f1ec29be73d54554cf846703a713b8b0f30
SHA256

62c2292b71bc1c2ed6fb0c2ef21a477c3af5f75c1d0b158c0696d4272b422ea9
SHA512

26fd3bce7b99b77de32aeb6339cbb85aa140cba978ed2baae3fbfa561e1add9a58ece7e4f0d911726c60a62e47e7f4c013511bca695c148146ea6bbc5884ea6a
SSDEEP

6144:MLV6Bta6dtJmakIM5iitzMM3/mpjxE7pzpTVR:MLV6BtpmkFitoxizpZR

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Signatures

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\TCP Subsystem = "C:\\Program Files (x86)\\TCP Subsystem\\tcpss.exe"	NanoRAT.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

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

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\TCP Subsystem\tcpss.exe	NanoRAT.exe
File opened for modification	C:\Program Files (x86)\TCP Subsystem\tcpss.exe	NanoRAT.exe

Creates scheduled task(s) 1 TTPs 2 IoCs

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

persistence

Scheduled Task

T1053

pid	Process
3720	schtasks.exe
3848	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4288	NanoRAT.exe
4288	NanoRAT.exe
4288	NanoRAT.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4288	NanoRAT.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4288	NanoRAT.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4288 wrote to memory of 3720	4288	NanoRAT.exe	76
PID 4288 wrote to memory of 3720	4288	NanoRAT.exe	76
PID 4288 wrote to memory of 3720	4288	NanoRAT.exe	76
PID 4288 wrote to memory of 3848	4288	NanoRAT.exe	78
PID 4288 wrote to memory of 3848	4288	NanoRAT.exe	78
PID 4288 wrote to memory of 3848	4288	NanoRAT.exe	78

C:\Users\Admin\AppData\Local\Temp\NanoRAT.exe
"C:\Users\Admin\AppData\Local\Temp\NanoRAT.exe"
1⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4288
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "TCP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7FD3.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3720
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "TCP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp80CE.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3848

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp7FD3.tmp

Filesize
1KB

MD5
309d551891fa6aefd6be14f14ba6eafd

SHA1
5c84f02e13f05f515fd6f05eeb006157eb438663

SHA256
1d793cf951218289dad8735571a8598eb3c632115bacf7896c7483309978dcdb

SHA512
e62dd3be3c08c55f8bf6247cc540e2e311923ecdb29d7aee27414e87240dbd2aa46da2a14e99bc90454b3e7f2373ea0e7e277ef22730454cd8413224f6220164

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp80CE.tmp

Filesize
1KB

MD5
4b7ef560289c0f62d0baf6f14f48a57a

SHA1
8331acb90dde588aa3196919f6e847f398fd06d1

SHA256
062844155306130d6fafc4fe10ac9e5ddd2ed462532b729c50cdc979c0d83207

SHA512
ecaa27c4b703d95f9f9b37d8c339982970482e7dab968c2010e0aa644bbfa31973111aafb827565af30c423d1d14e4ff997ec149614e713ff7ef3456894d02d8

Download Submit
memory/3720-132-0x0000000000000000-mapping.dmp

Download
memory/3848-135-0x0000000000000000-mapping.dmp

Download
memory/4288-134-0x00000000748A0000-0x0000000074E51000-memory.dmp

Filesize
5.7MB

Download
memory/4288-137-0x00000000748A0000-0x0000000074E51000-memory.dmp

Filesize
5.7MB

Download