nanocore | 48e087544d3e050da9c8e86b2f18636ad1ef475d158f4d0c1eb09b7fdaa21dcc

General

Target

48e087544d3e050da9c8e86b2f18636ad1ef475d158f4d0c1eb09b7fdaa21dcc.exe
Size

203KB
MD5

5c53b007f5e2dc53d276106da8518e02
SHA1

785ae87664282b29d21917cb41fb97dabd760b57
SHA256

48e087544d3e050da9c8e86b2f18636ad1ef475d158f4d0c1eb09b7fdaa21dcc
SHA512

e6f9c579a936a865fcb219ee18f137b248332b4dccd32eecec23c8b1333b2a1652767bcf72f35e69f35ee3dbec420f0adb86c3676558a629b2b3ef6853efd684
SSDEEP

6144:ULV6Bta6dtJmakIM5X1Uzw5BduNQRqy6Y:ULV6BtpmkY9DdbF

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

48e087544d3e050da9c8e86b2f18636ad1ef475d158f4d0c1eb09b7fdaa21dcc.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\PCI Subsystem = "C:\\Program Files (x86)\\PCI Subsystem\\pciss.exe"	48e087544d3e050da9c8e86b2f18636ad1ef475d158f4d0c1eb09b7fdaa21dcc.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

48e087544d3e050da9c8e86b2f18636ad1ef475d158f4d0c1eb09b7fdaa21dcc.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	48e087544d3e050da9c8e86b2f18636ad1ef475d158f4d0c1eb09b7fdaa21dcc.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 12 IoCs

Web Service

T1102

Processes:

flow	ioc
70	5.tcp.ngrok.io
85	5.tcp.ngrok.io
21	5.tcp.ngrok.io
50	5.tcp.ngrok.io
52	5.tcp.ngrok.io
62	5.tcp.ngrok.io
64	5.tcp.ngrok.io
8	5.tcp.ngrok.io
29	5.tcp.ngrok.io
48	5.tcp.ngrok.io
87	5.tcp.ngrok.io
89	5.tcp.ngrok.io

Drops file in Program Files directory 2 IoCs

Processes:

48e087544d3e050da9c8e86b2f18636ad1ef475d158f4d0c1eb09b7fdaa21dcc.exe

description	ioc	Process
File created	C:\Program Files (x86)\PCI Subsystem\pciss.exe	48e087544d3e050da9c8e86b2f18636ad1ef475d158f4d0c1eb09b7fdaa21dcc.exe
File opened for modification	C:\Program Files (x86)\PCI Subsystem\pciss.exe	48e087544d3e050da9c8e86b2f18636ad1ef475d158f4d0c1eb09b7fdaa21dcc.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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

Processes:

48e087544d3e050da9c8e86b2f18636ad1ef475d158f4d0c1eb09b7fdaa21dcc.exeschtasks.exeschtasks.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	48e087544d3e050da9c8e86b2f18636ad1ef475d158f4d0c1eb09b7fdaa21dcc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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

Processes:

schtasks.exeschtasks.exe

pid	Process
1140	schtasks.exe
3252	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

48e087544d3e050da9c8e86b2f18636ad1ef475d158f4d0c1eb09b7fdaa21dcc.exe

pid	Process
2092	48e087544d3e050da9c8e86b2f18636ad1ef475d158f4d0c1eb09b7fdaa21dcc.exe
2092	48e087544d3e050da9c8e86b2f18636ad1ef475d158f4d0c1eb09b7fdaa21dcc.exe
2092	48e087544d3e050da9c8e86b2f18636ad1ef475d158f4d0c1eb09b7fdaa21dcc.exe
2092	48e087544d3e050da9c8e86b2f18636ad1ef475d158f4d0c1eb09b7fdaa21dcc.exe
2092	48e087544d3e050da9c8e86b2f18636ad1ef475d158f4d0c1eb09b7fdaa21dcc.exe
2092	48e087544d3e050da9c8e86b2f18636ad1ef475d158f4d0c1eb09b7fdaa21dcc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

48e087544d3e050da9c8e86b2f18636ad1ef475d158f4d0c1eb09b7fdaa21dcc.exe

pid	Process
2092	48e087544d3e050da9c8e86b2f18636ad1ef475d158f4d0c1eb09b7fdaa21dcc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

48e087544d3e050da9c8e86b2f18636ad1ef475d158f4d0c1eb09b7fdaa21dcc.exe

description	pid	Process
Token: SeDebugPrivilege	2092	48e087544d3e050da9c8e86b2f18636ad1ef475d158f4d0c1eb09b7fdaa21dcc.exe
Token: SeDebugPrivilege	2092	48e087544d3e050da9c8e86b2f18636ad1ef475d158f4d0c1eb09b7fdaa21dcc.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

48e087544d3e050da9c8e86b2f18636ad1ef475d158f4d0c1eb09b7fdaa21dcc.exe

description	pid	Process	procid_target
PID 2092 wrote to memory of 1140	2092	48e087544d3e050da9c8e86b2f18636ad1ef475d158f4d0c1eb09b7fdaa21dcc.exe	86
PID 2092 wrote to memory of 1140	2092	48e087544d3e050da9c8e86b2f18636ad1ef475d158f4d0c1eb09b7fdaa21dcc.exe	86
PID 2092 wrote to memory of 1140	2092	48e087544d3e050da9c8e86b2f18636ad1ef475d158f4d0c1eb09b7fdaa21dcc.exe	86
PID 2092 wrote to memory of 3252	2092	48e087544d3e050da9c8e86b2f18636ad1ef475d158f4d0c1eb09b7fdaa21dcc.exe	89
PID 2092 wrote to memory of 3252	2092	48e087544d3e050da9c8e86b2f18636ad1ef475d158f4d0c1eb09b7fdaa21dcc.exe	89
PID 2092 wrote to memory of 3252	2092	48e087544d3e050da9c8e86b2f18636ad1ef475d158f4d0c1eb09b7fdaa21dcc.exe	89

C:\Users\Admin\AppData\Local\Temp\48e087544d3e050da9c8e86b2f18636ad1ef475d158f4d0c1eb09b7fdaa21dcc.exe
"C:\Users\Admin\AppData\Local\Temp\48e087544d3e050da9c8e86b2f18636ad1ef475d158f4d0c1eb09b7fdaa21dcc.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
- Suspicious use of WriteProcessMemory
PID:2092
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "PCI Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp89F0.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1140
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "PCI Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8A4F.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3252

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp89F0.tmp

Filesize
1KB

MD5
90a8da59105f916eba496c754e3a8c88

SHA1
4c684cc2fe001f410eb449a38647c018ad7270c1

SHA256
ac56d5436b7d03138497ed5f3aed125f5f6f0253633cd093329e29679bfef473

SHA512
6c4280076fd95ffa8e3dc8d1984158c5ce945af665e2bf8c883e9fdcdf3eb954f7fd6734aeb785bcca8bf51af3d9c8a15bd40982d19049770d98792dd5bd4212

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8A4F.tmp

Filesize
1KB

MD5
09063e7cc0d66a9aed53f2e2d2409103

SHA1
96f8fa15b5a3b2646f6691770a158c69ea7405a4

SHA256
369b159ef60c988373a3c85e0b10b5ff2178504465f11965ab0d66f14124f9a1

SHA512
c460a3cab70270c5cefe0464df6ddb9d50bb58ac9c49c7e62c9a55cc6bc30b6411cbc28ae418dd91b1ba1190f8394ccd937452ae70d7062740207d2ffc68e2ec

Download Submit
memory/2092-0-0x0000000075372000-0x0000000075373000-memory.dmp

Filesize
4KB

Download
memory/2092-1-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/2092-2-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/2092-10-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/2092-11-0x0000000075372000-0x0000000075373000-memory.dmp

Filesize
4KB

Download
memory/2092-12-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/2092-13-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/2092-14-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads