nanocore | 164a123b62d6c5f64e8c2097948606432a1d114e56959e89feacaadde221518d

General

Target

20240916b36f9fb5e68ac0434d8337eb0f764026hiddentearnanocore.exe
Size

204KB
MD5

b36f9fb5e68ac0434d8337eb0f764026
SHA1

ba12b94f72f54c8701379213309d0d9e6399eadb
SHA256

164a123b62d6c5f64e8c2097948606432a1d114e56959e89feacaadde221518d
SHA512

c139ce95e3001401aca0e0ea82d965a220630595559c764377dfb0a607dbbc3196a79dc751fd62efa1763b1ad66df00267c1731933e6e3ac2be86dea4793b191
SSDEEP

3072:ozEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HIf8lmsolAIrRuw+mqv9j1MWLQe:oLV6Bta6dtJmakIM5dlDAAD

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

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WPA Subsystem = "C:\\Program Files (x86)\\WPA Subsystem\\wpass.exe"	20240916b36f9fb5e68ac0434d8337eb0f764026hiddentearnanocore.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	20240916b36f9fb5e68ac0434d8337eb0f764026hiddentearnanocore.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\WPA Subsystem\wpass.exe	20240916b36f9fb5e68ac0434d8337eb0f764026hiddentearnanocore.exe
File opened for modification	C:\Program Files (x86)\WPA Subsystem\wpass.exe	20240916b36f9fb5e68ac0434d8337eb0f764026hiddentearnanocore.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	20240916b36f9fb5e68ac0434d8337eb0f764026hiddentearnanocore.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

pid	Process
5008	schtasks.exe
1664	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1288	20240916b36f9fb5e68ac0434d8337eb0f764026hiddentearnanocore.exe
Token: SeDebugPrivilege	1288	20240916b36f9fb5e68ac0434d8337eb0f764026hiddentearnanocore.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1288 wrote to memory of 5008	1288	20240916b36f9fb5e68ac0434d8337eb0f764026hiddentearnanocore.exe	83
PID 1288 wrote to memory of 5008	1288	20240916b36f9fb5e68ac0434d8337eb0f764026hiddentearnanocore.exe	83
PID 1288 wrote to memory of 5008	1288	20240916b36f9fb5e68ac0434d8337eb0f764026hiddentearnanocore.exe	83
PID 1288 wrote to memory of 1664	1288	20240916b36f9fb5e68ac0434d8337eb0f764026hiddentearnanocore.exe	85
PID 1288 wrote to memory of 1664	1288	20240916b36f9fb5e68ac0434d8337eb0f764026hiddentearnanocore.exe	85
PID 1288 wrote to memory of 1664	1288	20240916b36f9fb5e68ac0434d8337eb0f764026hiddentearnanocore.exe	85

C:\Users\Admin\AppData\Local\Temp\20240916b36f9fb5e68ac0434d8337eb0f764026hiddentearnanocore.exe
"C:\Users\Admin\AppData\Local\Temp\20240916b36f9fb5e68ac0434d8337eb0f764026hiddentearnanocore.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 use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1288
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "WPA Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp93C4.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:5008
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "WPA Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9442.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1664

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\tmp93C4.tmp

Filesize
1KB

MD5
64bae6b495079159f3ac99e066c659c1

SHA1
8086bfb4661473c8f3862b6d7278aade31732c8c

SHA256
cf8410897a9ea90a2bd01b1e0d2d0feb6b19d634f977d6aeac3cc8a2ec0da58a

SHA512
02b49095223be90410f7a85ca80ce78d615451a086dc7a8788834011fd1854adae5e56992524b283dc266c82184c8bca3eedcabf07de6c0f8f629ac528fabc78

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9442.tmp

Filesize
1KB

MD5
4365cd1ae65923a319ef2683a45891fe

SHA1
85dde233112660e31c53884aedfbad52e4547e09

SHA256
84b6ce4ba26fa6fb57fa70b9ad191f7c42c71e259897955b5d514385bcd91b58

SHA512
d1bd24f504c5c2ecaa3ae98268ccc2e400ea3e16980c6caf394eadf7738225e4d5578fbe62bbe2de3fe0cb56a0d76bb3fc84cef3b9cd2f3d8be6d0becefdc035

Download Submit
memory/1288-0-0x0000000074AC2000-0x0000000074AC3000-memory.dmp

Filesize
4KB

Download
memory/1288-1-0x0000000074AC0000-0x0000000075071000-memory.dmp

Filesize
5.7MB

Download
memory/1288-2-0x0000000074AC0000-0x0000000075071000-memory.dmp

Filesize
5.7MB

Download
memory/1288-10-0x0000000074AC0000-0x0000000075071000-memory.dmp

Filesize
5.7MB

Download
memory/1288-11-0x0000000074AC2000-0x0000000074AC3000-memory.dmp

Filesize
4KB

Download
memory/1288-12-0x0000000074AC0000-0x0000000075071000-memory.dmp

Filesize
5.7MB

Download
memory/1288-13-0x0000000074AC0000-0x0000000075071000-memory.dmp

Filesize
5.7MB

Download
memory/1288-14-0x0000000074AC0000-0x0000000075071000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads