nanocore | 34ff10730c9e4c37d8d8671582ed5e17ce801280f587c3742aba7b478b79a338

General

Target

697e0f8ff4933bc74eeb786986e83161.exe
Size

203KB
MD5

697e0f8ff4933bc74eeb786986e83161
SHA1

8aefabcf687b0ce57b268952a682e4330e01842d
SHA256

34ff10730c9e4c37d8d8671582ed5e17ce801280f587c3742aba7b478b79a338
SHA512

cb10ddef9e35e35858ee6e133b45b34694bdd2f8531b245db9161500057187abfa071fd4bf7bde8163a184802e59f81fc902ce9459a25cffbe0f7499f6f3d523
SSDEEP

6144:MLV6Bta6dtJmakIM5sd4SJm9dsJz1ORH4L:MLV6BtpmkBdvzORHE

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

697e0f8ff4933bc74eeb786986e83161.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"	697e0f8ff4933bc74eeb786986e83161.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

697e0f8ff4933bc74eeb786986e83161.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	697e0f8ff4933bc74eeb786986e83161.exe

Drops file in Program Files directory 2 IoCs

Processes:

697e0f8ff4933bc74eeb786986e83161.exe

description	ioc	process
File created	C:\Program Files (x86)\PCI Subsystem\pciss.exe	697e0f8ff4933bc74eeb786986e83161.exe
File opened for modification	C:\Program Files (x86)\PCI Subsystem\pciss.exe	697e0f8ff4933bc74eeb786986e83161.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:

697e0f8ff4933bc74eeb786986e83161.exeschtasks.exeschtasks.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	697e0f8ff4933bc74eeb786986e83161.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

5088 schtasks.exe
4648 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

697e0f8ff4933bc74eeb786986e83161.exe

pid process

2908 697e0f8ff4933bc74eeb786986e83161.exe
2908 697e0f8ff4933bc74eeb786986e83161.exe
2908 697e0f8ff4933bc74eeb786986e83161.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

697e0f8ff4933bc74eeb786986e83161.exe

pid process

2908 697e0f8ff4933bc74eeb786986e83161.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

697e0f8ff4933bc74eeb786986e83161.exe

description pid process

Token: SeDebugPrivilege 2908 697e0f8ff4933bc74eeb786986e83161.exe

pid	process
5088	schtasks.exe
4648	schtasks.exe

pid	process
2908	697e0f8ff4933bc74eeb786986e83161.exe
2908	697e0f8ff4933bc74eeb786986e83161.exe
2908	697e0f8ff4933bc74eeb786986e83161.exe

pid	process
2908	697e0f8ff4933bc74eeb786986e83161.exe

description	pid	process
Token: SeDebugPrivilege	2908	697e0f8ff4933bc74eeb786986e83161.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

697e0f8ff4933bc74eeb786986e83161.exe

description	pid	process	target process
PID 2908 wrote to memory of 5088	2908	697e0f8ff4933bc74eeb786986e83161.exe	schtasks.exe
PID 2908 wrote to memory of 5088	2908	697e0f8ff4933bc74eeb786986e83161.exe	schtasks.exe
PID 2908 wrote to memory of 5088	2908	697e0f8ff4933bc74eeb786986e83161.exe	schtasks.exe
PID 2908 wrote to memory of 4648	2908	697e0f8ff4933bc74eeb786986e83161.exe	schtasks.exe
PID 2908 wrote to memory of 4648	2908	697e0f8ff4933bc74eeb786986e83161.exe	schtasks.exe
PID 2908 wrote to memory of 4648	2908	697e0f8ff4933bc74eeb786986e83161.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\697e0f8ff4933bc74eeb786986e83161.exe
"C:\Users\Admin\AppData\Local\Temp\697e0f8ff4933bc74eeb786986e83161.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:2908
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "PCI Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8D2C.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:5088
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "PCI Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8D7C.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4648

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

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp8D2C.tmp

Filesize
1KB

MD5
71b3d68cc194e603ff5909c72462e4f8

SHA1
0d9a25d405c14f76d3bdf746c103a096f09f5f9b

SHA256
cf3757e208ba56fc117259b1bd195b5f9596c5f7f0ae75020836d6a7bdb3af22

SHA512
f8928a9d6cf44a8ab893c38a32dc1dec70103a48846d7bc8ed14627efb682ae55e2ef8126d39b248c701d9e6583cc31f34fd7caeb298bfe5eb326f174bcd152b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8D7C.tmp

Filesize
1KB

MD5
09063e7cc0d66a9aed53f2e2d2409103

SHA1
96f8fa15b5a3b2646f6691770a158c69ea7405a4

SHA256
369b159ef60c988373a3c85e0b10b5ff2178504465f11965ab0d66f14124f9a1

SHA512
c460a3cab70270c5cefe0464df6ddb9d50bb58ac9c49c7e62c9a55cc6bc30b6411cbc28ae418dd91b1ba1190f8394ccd937452ae70d7062740207d2ffc68e2ec

Download Submit
memory/2908-0-0x0000000074862000-0x0000000074863000-memory.dmp

Filesize
4KB

Download
memory/2908-1-0x0000000074860000-0x0000000074E11000-memory.dmp

Filesize
5.7MB

Download
memory/2908-2-0x0000000074860000-0x0000000074E11000-memory.dmp

Filesize
5.7MB

Download
memory/2908-10-0x0000000074860000-0x0000000074E11000-memory.dmp

Filesize
5.7MB

Download
memory/2908-11-0x0000000074862000-0x0000000074863000-memory.dmp

Filesize
4KB

Download
memory/2908-12-0x0000000074860000-0x0000000074E11000-memory.dmp

Filesize
5.7MB

Download
memory/2908-13-0x0000000074860000-0x0000000074E11000-memory.dmp

Filesize
5.7MB

Download
memory/2908-14-0x0000000074860000-0x0000000074E11000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads