nanocore | a317bcadef76feec57223d92244a322eb4409990808a7bab96cc929fbc4a7164

Analysis

max time kernel
146s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25/10/2024, 20:41

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General

Target

3B4EE472D9C872BA1D96B7A676E809BA.exe
Size

553KB
MD5

3b4ee472d9c872ba1d96b7a676e809ba
SHA1

33186a216fe8a37a993f42477b8f813a56ba5f09
SHA256

a317bcadef76feec57223d92244a322eb4409990808a7bab96cc929fbc4a7164
SHA512

22d93c0656d9ebb8f0e33497e2d02ecf8a9f160fff07620f0dfbd022b8449b99ae3d5dccb3d2f65f555d99415489bfcc4856eba3d87c2158c68c3922216e4985
SSDEEP

12288:iLV6BtpmkjDwb1bL/mZyysVSX/GFFcEvz20Q3CE+A2whXXAo2RB:AApfy16yDSOzFvz20A7lXqB

Score

10^/10

nanocore discovery 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
Nanocore family
nanocore

Unexpected DNS network traffic destination 8 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	1.0.0.1
Destination IP	1.0.0.1
Destination IP	1.0.0.1
Destination IP	1.0.0.1
Destination IP	1.0.0.1
Destination IP	1.0.0.1
Destination IP	1.0.0.1
Destination IP	1.0.0.1

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\IMAP Monitor = "C:\\Program Files (x86)\\IMAP Monitor\\imapmon.exe"	3B4EE472D9C872BA1D96B7A676E809BA.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	3B4EE472D9C872BA1D96B7A676E809BA.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\IMAP Monitor\imapmon.exe	3B4EE472D9C872BA1D96B7A676E809BA.exe
File opened for modification	C:\Program Files (x86)\IMAP Monitor\imapmon.exe	3B4EE472D9C872BA1D96B7A676E809BA.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	3B4EE472D9C872BA1D96B7A676E809BA.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
800	3B4EE472D9C872BA1D96B7A676E809BA.exe
800	3B4EE472D9C872BA1D96B7A676E809BA.exe
800	3B4EE472D9C872BA1D96B7A676E809BA.exe
800	3B4EE472D9C872BA1D96B7A676E809BA.exe
800	3B4EE472D9C872BA1D96B7A676E809BA.exe
800	3B4EE472D9C872BA1D96B7A676E809BA.exe
800	3B4EE472D9C872BA1D96B7A676E809BA.exe
800	3B4EE472D9C872BA1D96B7A676E809BA.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
800	3B4EE472D9C872BA1D96B7A676E809BA.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	800	3B4EE472D9C872BA1D96B7A676E809BA.exe

C:\Users\Admin\AppData\Local\Temp\3B4EE472D9C872BA1D96B7A676E809BA.exe
"C:\Users\Admin\AppData\Local\Temp\3B4EE472D9C872BA1D96B7A676E809BA.exe"
1⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:800

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/800-0-0x0000000074871000-0x0000000074872000-memory.dmp

Filesize
4KB

Download
memory/800-1-0x0000000074870000-0x0000000074E1B000-memory.dmp

Filesize
5.7MB

Download
memory/800-2-0x0000000074870000-0x0000000074E1B000-memory.dmp

Filesize
5.7MB

Download
memory/800-5-0x0000000074870000-0x0000000074E1B000-memory.dmp

Filesize
5.7MB

Download
memory/800-6-0x0000000074870000-0x0000000074E1B000-memory.dmp

Filesize
5.7MB

Download