nanocore | 24cf8b07f7694cbfc67e79dd18d6c1fab296eec76120e269f96202e43aa4340a

General

Target

e8b7db8bfcbb200e704b65126660c529_JaffaCakes118.exe
Size

203KB
MD5

e8b7db8bfcbb200e704b65126660c529
SHA1

c69450b1f8d5ccb1743570d7a8091530493fc36d
SHA256

24cf8b07f7694cbfc67e79dd18d6c1fab296eec76120e269f96202e43aa4340a
SHA512

c5913c6548e1c76518d379928d239af028d11ee419fd5af1ee9a596e4c0c32581c60228569d589c85e0c23de2c71b713ebf9f9c0f89c1520cc373bb538556973
SSDEEP

6144:sLV6Bta6dtJmakIM5kcGLYiO5C3e6s7338vSz:sLV6Btpmk1YiOS1k3Tz

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\SMTP Manager = "C:\\Program Files (x86)\\SMTP Manager\\smtpmgr.exe"	e8b7db8bfcbb200e704b65126660c529_JaffaCakes118.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	e8b7db8bfcbb200e704b65126660c529_JaffaCakes118.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\SMTP Manager\smtpmgr.exe	e8b7db8bfcbb200e704b65126660c529_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\SMTP Manager\smtpmgr.exe	e8b7db8bfcbb200e704b65126660c529_JaffaCakes118.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	e8b7db8bfcbb200e704b65126660c529_JaffaCakes118.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
3736	schtasks.exe
3276	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3164	e8b7db8bfcbb200e704b65126660c529_JaffaCakes118.exe
3164	e8b7db8bfcbb200e704b65126660c529_JaffaCakes118.exe
3164	e8b7db8bfcbb200e704b65126660c529_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3164	e8b7db8bfcbb200e704b65126660c529_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3164	e8b7db8bfcbb200e704b65126660c529_JaffaCakes118.exe
Token: SeDebugPrivilege	3164	e8b7db8bfcbb200e704b65126660c529_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3164 wrote to memory of 3276	3164	e8b7db8bfcbb200e704b65126660c529_JaffaCakes118.exe	86
PID 3164 wrote to memory of 3276	3164	e8b7db8bfcbb200e704b65126660c529_JaffaCakes118.exe	86
PID 3164 wrote to memory of 3276	3164	e8b7db8bfcbb200e704b65126660c529_JaffaCakes118.exe	86
PID 3164 wrote to memory of 3736	3164	e8b7db8bfcbb200e704b65126660c529_JaffaCakes118.exe	88
PID 3164 wrote to memory of 3736	3164	e8b7db8bfcbb200e704b65126660c529_JaffaCakes118.exe	88
PID 3164 wrote to memory of 3736	3164	e8b7db8bfcbb200e704b65126660c529_JaffaCakes118.exe	88

C:\Users\Admin\AppData\Local\Temp\e8b7db8bfcbb200e704b65126660c529_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e8b7db8bfcbb200e704b65126660c529_JaffaCakes118.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:3164
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "SMTP Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp292E.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3276
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "SMTP Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp298D.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3736

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\tmp292E.tmp

Filesize
1KB

MD5
238dbaf8d76be9244d2701c1b223c8eb

SHA1
c6b9d724fa079f422d8257a2301fea5700be1d60

SHA256
a2f2d7f88c001014df22ff255616e6e0acf7516587debb4d26393fe9744e1949

SHA512
d6f86f2e8ca551ad9984015484a723170bb890f2456b80a744cc4a659049ef3f957675535438a70c138cd4aefef28f2398b47cc0b3e73ab1246670def78f3afc

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp298D.tmp

Filesize
1KB

MD5
b3b017f9df206021717a11f11d895402

SHA1
e4ea12823af6550ee634536eec1eb14490580a3b

SHA256
654dfce2c28024364e679e1b958f3fb81fc6d29685d534d905d1c83a84351024

SHA512
95666cb81aa1fd1ade04a32f63381ce8bff274d7d300c0b59cbb10a294c4d1eebaa3000365a2000b38793de030044995cf23e623c5e3648d9b00501f97ff9343

Download Submit
memory/3164-0-0x0000000074762000-0x0000000074763000-memory.dmp

Filesize
4KB

Download
memory/3164-1-0x0000000074760000-0x0000000074D11000-memory.dmp

Filesize
5.7MB

Download
memory/3164-2-0x0000000074760000-0x0000000074D11000-memory.dmp

Filesize
5.7MB

Download
memory/3164-10-0x0000000074760000-0x0000000074D11000-memory.dmp

Filesize
5.7MB

Download
memory/3164-11-0x0000000074762000-0x0000000074763000-memory.dmp

Filesize
4KB

Download
memory/3164-12-0x0000000074760000-0x0000000074D11000-memory.dmp

Filesize
5.7MB

Download
memory/3164-13-0x0000000074760000-0x0000000074D11000-memory.dmp

Filesize
5.7MB

Download
memory/3164-14-0x0000000074760000-0x0000000074D11000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads