nanocore | adb4e3ed6f26e81b77bfb28cf4ab4707b7047f4a432e582aa6875e686fbe48d5

Resubmissions

08/07/2024, 23:38

240708-3mqr1svdqn 10

08/07/2024, 23:37

240708-3l9thavdnm 10

08/07/2024, 23:16

240708-29be6swfqe 10

08/07/2024, 23:14

240708-27ygxstfrq 10

Analysis

max time kernel
144s
max time network
153s
platform
windows11-21h2_x64
resource
win11-20240704-en
resource tags

arch:x64arch:x86image:win11-20240704-enlocale:en-usos:windows11-21h2-x64system
submitted
08/07/2024, 23:38

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Report Analysis Logs

General

Target

RobloxTool2.45.exe
Size

560KB
MD5

a6d0cce9aed3e8a5253320afe320a5cf
SHA1

80c69e820ed28392af4adc0c86ccbf6ed011a347
SHA256

adb4e3ed6f26e81b77bfb28cf4ab4707b7047f4a432e582aa6875e686fbe48d5
SHA512

f6d21be9b58547c5f5396f7f14bac177090b2e00daaaef07424db9572d0efdc789cd80abfa6781a55e5fa26ee024b02b739c1a72090ee19e8fea5b7a85e66756
SSDEEP

12288:WLV6Btpmk25LG7Ilxs0G4ASfUsZblcfM1Zj7S:EApfayCW0XthbCM3S

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

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ARP Service = "C:\\Program Files (x86)\\ARP Service\\arpsvc.exe"	RobloxTool2.45.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	RobloxTool2.45.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\ARP Service\arpsvc.exe	RobloxTool2.45.exe
File opened for modification	C:\Program Files (x86)\ARP Service\arpsvc.exe	RobloxTool2.45.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
4260	schtasks.exe
1812	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
3348	RobloxTool2.45.exe
3348	RobloxTool2.45.exe
3348	RobloxTool2.45.exe
3348	RobloxTool2.45.exe
3348	RobloxTool2.45.exe
3348	RobloxTool2.45.exe
3348	RobloxTool2.45.exe
3348	RobloxTool2.45.exe
3348	RobloxTool2.45.exe
3348	RobloxTool2.45.exe
3348	RobloxTool2.45.exe
3348	RobloxTool2.45.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3348	RobloxTool2.45.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3348	RobloxTool2.45.exe
Token: SeDebugPrivilege	3348	RobloxTool2.45.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3348 wrote to memory of 1812	3348	RobloxTool2.45.exe	82
PID 3348 wrote to memory of 1812	3348	RobloxTool2.45.exe	82
PID 3348 wrote to memory of 1812	3348	RobloxTool2.45.exe	82
PID 3348 wrote to memory of 4260	3348	RobloxTool2.45.exe	84
PID 3348 wrote to memory of 4260	3348	RobloxTool2.45.exe	84
PID 3348 wrote to memory of 4260	3348	RobloxTool2.45.exe	84

C:\Users\Admin\AppData\Local\Temp\RobloxTool2.45.exe
"C:\Users\Admin\AppData\Local\Temp\RobloxTool2.45.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:3348
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "ARP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA49C.tmp"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:1812
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "ARP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA4FB.tmp"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:4260

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

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\tmpA49C.tmp

Filesize
1KB

MD5
d5ff21d38f0e1018fc72aa2f55f011aa

SHA1
5ad2c2e8143cd0e0f6d7dcef7391ab572e3cea37

SHA256
bd4af90cd9750d3930b417bbb917fa3573d386dcb068e5a1fdca4ae88ee02382

SHA512
43772bfed10631fc1ff65f85fa0d8afcd562da2bdf3178cb9cbc49aa2d6b075020900fd8f53af3f080330b8bad36b257a6a51ff6fb4ee20025a389a7c27610a2

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA4FB.tmp

Filesize
1KB

MD5
1badb6e2b29a1c4bfff3c179d53ab96b

SHA1
4b2ad3e5f3826d252d1c8bf1c8f0702f39129fa1

SHA256
6259ac4e6859a1b528d77ccea12b378f7dfa1eff359d9b8899414b4b1c484699

SHA512
36338e2a74fd85c5f2c84be009981a7260692c1bcb121a42018209031082da69bf65640702d53e28b54871f9d44e65fdbebaf4771c530699c3e93981b58129b4

Download Submit
memory/3348-0-0x0000000074CB1000-0x0000000074CB2000-memory.dmp

Filesize
4KB

Download
memory/3348-1-0x0000000074CB0000-0x0000000075261000-memory.dmp

Filesize
5.7MB

Download
memory/3348-2-0x0000000074CB0000-0x0000000075261000-memory.dmp

Filesize
5.7MB

Download
memory/3348-10-0x0000000074CB0000-0x0000000075261000-memory.dmp

Filesize
5.7MB

Download
memory/3348-11-0x0000000074CB0000-0x0000000075261000-memory.dmp

Filesize
5.7MB

Download
memory/3348-12-0x0000000074CB0000-0x0000000075261000-memory.dmp

Filesize
5.7MB

Download