nanocore | 01188fbf53b8744fc691385286b90af699970de02a6cf55f9da86b1c27d53f37

Analysis

max time kernel
133s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20250207-en
resource tags

arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system
submitted
14-02-2025 04:29

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General

Target

balsss.exe
Size

202KB
MD5

0088b14eeab30a4575168474ac951b32
SHA1

c94357447ec9db2bff921113b1ce5a57dd291a3b
SHA256

01188fbf53b8744fc691385286b90af699970de02a6cf55f9da86b1c27d53f37
SHA512

6313845a17599218f51502883f65a7db7d91bf0f89fe28d1d4fa3b44f61a541087264290fe178c8a79b02ac8aea497f3d9a9b14420ead1ffc27ab16950a5f72f
SSDEEP

3072:QzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HIoQT9cx77B7aqetQ0XdeMBma1q:QLV6Bta6dtJmakIM5Px79PEQ8QVP42

Score

10^/10

nanocore defense_evasion discovery keylogger spyware stealer trojan

Malware Config

Signatures

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

Downloads MZ/PE file 1 IoCs

flow	pid	Process
31	4456	Process not Found

Checks whether UAC is enabled 1 TTPs 1 IoCs

defense_evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	balsss.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	balsss.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
3760	MicrosoftEdgeUpdate.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3996	balsss.exe
3996	balsss.exe
3996	balsss.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3996	balsss.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3996	balsss.exe

C:\Users\Admin\AppData\Local\Temp\balsss.exe
"C:\Users\Admin\AppData\Local\Temp\balsss.exe"
1⤵
- Checks whether UAC is enabled
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:3996

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI2IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU5ODUiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODQ0NDQzNjAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI0ODY1NDE1NTgzIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:3760

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3996-0-0x0000000073B72000-0x0000000073B73000-memory.dmp

Filesize
4KB

Download
memory/3996-1-0x0000000073B70000-0x0000000074121000-memory.dmp

Filesize
5.7MB

Download
memory/3996-2-0x0000000073B70000-0x0000000074121000-memory.dmp

Filesize
5.7MB

Download
memory/3996-4-0x0000000073B70000-0x0000000074121000-memory.dmp

Filesize
5.7MB

Download
memory/3996-5-0x0000000073B72000-0x0000000073B73000-memory.dmp

Filesize
4KB

Download
memory/3996-6-0x0000000073B70000-0x0000000074121000-memory.dmp

Filesize
5.7MB

Download
memory/3996-7-0x0000000073B70000-0x0000000074121000-memory.dmp

Filesize
5.7MB

Download
memory/3996-8-0x0000000073B70000-0x0000000074121000-memory.dmp

Filesize
5.7MB

Download