nanocore | bffc649f9caaeb25d0ee5c19cebc71a5b2494271255a1e143bc0849494ae9cd2

Analysis

max time kernel
144s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
23/06/2024, 13:21

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General

Target

kitty.exe
Size

671KB
MD5

fa361fd31808cd531b1c534715fa2612
SHA1

f16c315dba445b58a71bbaa2fa879b05cadb502d
SHA256

bffc649f9caaeb25d0ee5c19cebc71a5b2494271255a1e143bc0849494ae9cd2
SHA512

3fdef184f3bacfd405c5e32ab7e8295cbc687124dd9541d8d2c8c5fbfd74412c2f709cd5ab8972fbb39ac6e2158af1984ee374aef5a42165e5e9b254e54961d1
SSDEEP

12288:HLV6Btpmk7SwAJ8VAMj6if5DwfzcEu54gIdlsI14/uMhrj6zTP3yF2Bdl:rApf7Swy8V6A5DwfzcEu54Vn1S3VsL3R

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\LAN Monitor = "C:\\Program Files (x86)\\LAN Monitor\\lanmon.exe"	kitty.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	kitty.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\LAN Monitor\lanmon.exe	kitty.exe
File opened for modification	C:\Program Files (x86)\LAN Monitor\lanmon.exe	kitty.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
4172	schtasks.exe
2012	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1360	kitty.exe
1360	kitty.exe
1360	kitty.exe
1360	kitty.exe
1360	kitty.exe
1360	kitty.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1360	kitty.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1360	kitty.exe
Token: SeDebugPrivilege	1360	kitty.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1360 wrote to memory of 4172	1360	kitty.exe	81
PID 1360 wrote to memory of 4172	1360	kitty.exe	81
PID 1360 wrote to memory of 4172	1360	kitty.exe	81
PID 1360 wrote to memory of 2012	1360	kitty.exe	83
PID 1360 wrote to memory of 2012	1360	kitty.exe	83
PID 1360 wrote to memory of 2012	1360	kitty.exe	83

C:\Users\Admin\AppData\Local\Temp\kitty.exe
"C:\Users\Admin\AppData\Local\Temp\kitty.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:1360
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "LAN Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp4C6A.tmp"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:4172
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "LAN Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp4CC9.tmp"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2012

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\tmp4C6A.tmp

Filesize
1KB

MD5
1fb868da8972c98303d5b8a1640a3052

SHA1
dff1a9e1f187ed867895078523b569fbbac825c3

SHA256
8e74325e8c8f5432a80a71efc90ba52ad493c65a9ea258c46b5a0e8ba9e113aa

SHA512
b9a3a07f2404c119cc1e392ba9605d269e6f9b9d20ec202abeefe302ef2ef70c74ed0c04a5ba10a750ab84cbde4d35aafbe8cfb448abd089d3573e624539fc4e

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4CC9.tmp

Filesize
1KB

MD5
ecf141ec69adbb2a5c3dd5c85cd0ec39

SHA1
0ad224632fa58d103142c05c44a142f3d7208291

SHA256
64d8cfa0b25afee269839cd5fc0b66e5643bc318e5f4d3ce1b9dba2456c83316

SHA512
4821b062d6672f3ed07833cfd7ab9abb533850b451b632d781fbfad8238fcd5ac52855f1f239547ae2d1c1477959f022430302a75cfd3c19a8473af72a1ef201

Download Submit
memory/1360-0-0x0000000074EA2000-0x0000000074EA3000-memory.dmp

Filesize
4KB

Download
memory/1360-1-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/1360-2-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/1360-10-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/1360-11-0x0000000074EA2000-0x0000000074EA3000-memory.dmp

Filesize
4KB

Download
memory/1360-12-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/1360-13-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download