nanocore | 89a1c02dfeab17d26c8a9664588550de3cf2ab3e91cc6c41a89b27daded1ae28

Analysis

max time kernel
240s
max time network
292s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
29/02/2024, 05:34

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General

Target

89a1c02dfeab17d26c8a9664588550de3cf2ab3e91cc6c41a89b27daded1ae28.exe
Size

264KB
MD5

a371163105160672ef74269b3ab49e7e
SHA1

8caf3d644d69f9c3060f3108df1a9828a7a8be50
SHA256

89a1c02dfeab17d26c8a9664588550de3cf2ab3e91cc6c41a89b27daded1ae28
SHA512

5863993298c2976152028da6fcc39cd489214e1b54fde084c9b7bf99985c62328c03b43bcb6d826b2d2113dab61063371624aadaa83a756bbc418cfc3796b553
SSDEEP

3072:4biIrvhmFN5sb8SxxTJLIOjj2qULLWbAJcWDqObIifMqtee87oJaUaXCmaJ9JyRK:qiIaMHlnqLL+M9bNMeaNTKIjy37Umo

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\TCP Subsystem = "C:\\Program Files (x86)\\TCP Subsystem\\tcpss.exe"	89a1c02dfeab17d26c8a9664588550de3cf2ab3e91cc6c41a89b27daded1ae28.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	89a1c02dfeab17d26c8a9664588550de3cf2ab3e91cc6c41a89b27daded1ae28.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\TCP Subsystem\tcpss.exe	89a1c02dfeab17d26c8a9664588550de3cf2ab3e91cc6c41a89b27daded1ae28.exe
File opened for modification	C:\Program Files (x86)\TCP Subsystem\tcpss.exe	89a1c02dfeab17d26c8a9664588550de3cf2ab3e91cc6c41a89b27daded1ae28.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
672	89a1c02dfeab17d26c8a9664588550de3cf2ab3e91cc6c41a89b27daded1ae28.exe
672	89a1c02dfeab17d26c8a9664588550de3cf2ab3e91cc6c41a89b27daded1ae28.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
672	89a1c02dfeab17d26c8a9664588550de3cf2ab3e91cc6c41a89b27daded1ae28.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	672	89a1c02dfeab17d26c8a9664588550de3cf2ab3e91cc6c41a89b27daded1ae28.exe
Token: SeDebugPrivilege	672	89a1c02dfeab17d26c8a9664588550de3cf2ab3e91cc6c41a89b27daded1ae28.exe

C:\Users\Admin\AppData\Local\Temp\89a1c02dfeab17d26c8a9664588550de3cf2ab3e91cc6c41a89b27daded1ae28.exe
"C:\Users\Admin\AppData\Local\Temp\89a1c02dfeab17d26c8a9664588550de3cf2ab3e91cc6c41a89b27daded1ae28.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
PID:672

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/672-0-0x00000000748B0000-0x0000000074E5B000-memory.dmp

Filesize
5.7MB

Download
memory/672-1-0x00000000748B0000-0x0000000074E5B000-memory.dmp

Filesize
5.7MB

Download
memory/672-2-0x00000000004A0000-0x00000000004E0000-memory.dmp

Filesize
256KB

Download
memory/672-3-0x00000000748B0000-0x0000000074E5B000-memory.dmp

Filesize
5.7MB

Download
memory/672-6-0x00000000004A0000-0x00000000004E0000-memory.dmp

Filesize
256KB

Download