nanocore | 198be75f1ecaaf4994ff273b2eae6b4567efa0b9fbbd5078cc89d88c57df606b

General

Target

c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf.exe
Size

203KB
MD5

2b25a25533263e914b40e9438348936a
SHA1

b9b40f955274aed3658dc3301da40bfec1a6508d
SHA256

c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf
SHA512

3d2e5d5e1cb1c8f7948f9dffe3da2cdffdd1ad185757c7a447ad7f20526c8fee732f64fdfd3066505a1e863792d8d54a8574400a11825cc1569c997046a8ca44
SSDEEP

6144:MLV6Bta6dtJmakIM5x6V2qhLyNPYTbEjH:MLV6BtpmkKM2uL4YTS

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\DSL Service = "C:\\Program Files (x86)\\DSL Service\\dslsv.exe"	c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf.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	c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DSL Service\dslsv.exe	c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf.exe
File opened for modification	C:\Program Files (x86)\DSL Service\dslsv.exe	c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf.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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf.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
3612	schtasks.exe
3320	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3392	c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf.exe
3392	c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf.exe
3392	c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf.exe
3392	c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf.exe
3392	c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf.exe
3392	c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3392	c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3392	c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf.exe
Token: SeDebugPrivilege	3392	c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3392 wrote to memory of 3612	3392	c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf.exe	86
PID 3392 wrote to memory of 3612	3392	c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf.exe	86
PID 3392 wrote to memory of 3612	3392	c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf.exe	86
PID 3392 wrote to memory of 3320	3392	c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf.exe	88
PID 3392 wrote to memory of 3320	3392	c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf.exe	88
PID 3392 wrote to memory of 3320	3392	c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf.exe	88

C:\Users\Admin\AppData\Local\Temp\c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf.exe
"C:\Users\Admin\AppData\Local\Temp\c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf.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:3392
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "DSL Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp853D.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3612
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "DSL Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp859C.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3320

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\tmp853D.tmp

Filesize
1KB

MD5
99f05727d36cda5ef9f328ff90aa34c0

SHA1
a0dba9e90e64b12b9445a37cda0432250f9fa32f

SHA256
816782515ce1bf42051eda2a0ef91e079da046b9ae5ff91fc4b4eb1926253ed8

SHA512
27e5347d6adb9a522eee750dace5a4896cbe87095dddaa98fdb651cb982fa86585af937419fd261840b26caf35cc39e87f0bbfb050afb05fb1a5e5a747480066

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp859C.tmp

Filesize
1KB

MD5
afb71a33ece3758f782f052bbe5da94f

SHA1
e69b9070ff52f81fdf01a40f775d021e4b4e71e4

SHA256
abd73bfca8458750ee751d4c6c106d54dcf0969592f476acc64ab0d7f2bb1978

SHA512
22c45992ca358ca9d4605ac426b65903b11b27db1b9c608739245dc412aa256d0908566626b3cfdafb32fca0809bf46c8824ab98cea7b7662216c915e6ef013f

Download Submit
memory/3392-0-0x0000000074BE2000-0x0000000074BE3000-memory.dmp

Filesize
4KB

Download
memory/3392-1-0x0000000074BE0000-0x0000000075191000-memory.dmp

Filesize
5.7MB

Download
memory/3392-2-0x0000000074BE0000-0x0000000075191000-memory.dmp

Filesize
5.7MB

Download
memory/3392-10-0x0000000074BE0000-0x0000000075191000-memory.dmp

Filesize
5.7MB

Download
memory/3392-14-0x0000000074BE2000-0x0000000074BE3000-memory.dmp

Filesize
4KB

Download
memory/3392-15-0x0000000074BE0000-0x0000000075191000-memory.dmp

Filesize
5.7MB

Download
memory/3392-16-0x0000000074BE0000-0x0000000075191000-memory.dmp

Filesize
5.7MB

Download
memory/3392-17-0x0000000074BE0000-0x0000000075191000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads