nanocore | a2b9b2c88c754342157ecc9b9fca26df863b3713be5611e50d25b50b85a0b7b8

General

Target

99a5ef0461df9c81a09c5dc3cce901db_JaffaCakes118.exe
Size

203KB
MD5

99a5ef0461df9c81a09c5dc3cce901db
SHA1

f7fe88740fbc2523a9561d6c123f0c665551bc6a
SHA256

a2b9b2c88c754342157ecc9b9fca26df863b3713be5611e50d25b50b85a0b7b8
SHA512

ef0e24c091e5fb313403e5346a0e9e6979430d6facd0230fcf7c6712e9736c861f4d9723b2302e72bb042f2642ef3a0ab2f989329926654210199eba8a937788
SSDEEP

6144:sLV6Bta6dtJmakIM5Tn/kAflqT1une7R0s1e/:sLV6Btpmkk/FU5e/

Score

10^/10

nanocore 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:

99a5ef0461df9c81a09c5dc3cce901db_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\NAS Host = "C:\\Program Files (x86)\\NAS Host\\nashost.exe"	99a5ef0461df9c81a09c5dc3cce901db_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

99a5ef0461df9c81a09c5dc3cce901db_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	99a5ef0461df9c81a09c5dc3cce901db_JaffaCakes118.exe

Drops file in Program Files directory 2 IoCs

Processes:

99a5ef0461df9c81a09c5dc3cce901db_JaffaCakes118.exe

description	ioc	process
File created	C:\Program Files (x86)\NAS Host\nashost.exe	99a5ef0461df9c81a09c5dc3cce901db_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\NAS Host\nashost.exe	99a5ef0461df9c81a09c5dc3cce901db_JaffaCakes118.exe

Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exeschtasks.exe

pid process

2352 schtasks.exe
2072 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

99a5ef0461df9c81a09c5dc3cce901db_JaffaCakes118.exe

pid process

3048 99a5ef0461df9c81a09c5dc3cce901db_JaffaCakes118.exe
3048 99a5ef0461df9c81a09c5dc3cce901db_JaffaCakes118.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

99a5ef0461df9c81a09c5dc3cce901db_JaffaCakes118.exe

pid process

3048 99a5ef0461df9c81a09c5dc3cce901db_JaffaCakes118.exe

pid	process
2352	schtasks.exe
2072	schtasks.exe

pid	process
3048	99a5ef0461df9c81a09c5dc3cce901db_JaffaCakes118.exe
3048	99a5ef0461df9c81a09c5dc3cce901db_JaffaCakes118.exe

pid	process
3048	99a5ef0461df9c81a09c5dc3cce901db_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

99a5ef0461df9c81a09c5dc3cce901db_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	3048	99a5ef0461df9c81a09c5dc3cce901db_JaffaCakes118.exe
Token: SeDebugPrivilege	3048	99a5ef0461df9c81a09c5dc3cce901db_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

99a5ef0461df9c81a09c5dc3cce901db_JaffaCakes118.exe

description	pid	process	target process
PID 3048 wrote to memory of 2352	3048	99a5ef0461df9c81a09c5dc3cce901db_JaffaCakes118.exe	schtasks.exe
PID 3048 wrote to memory of 2352	3048	99a5ef0461df9c81a09c5dc3cce901db_JaffaCakes118.exe	schtasks.exe
PID 3048 wrote to memory of 2352	3048	99a5ef0461df9c81a09c5dc3cce901db_JaffaCakes118.exe	schtasks.exe
PID 3048 wrote to memory of 2352	3048	99a5ef0461df9c81a09c5dc3cce901db_JaffaCakes118.exe	schtasks.exe
PID 3048 wrote to memory of 2072	3048	99a5ef0461df9c81a09c5dc3cce901db_JaffaCakes118.exe	schtasks.exe
PID 3048 wrote to memory of 2072	3048	99a5ef0461df9c81a09c5dc3cce901db_JaffaCakes118.exe	schtasks.exe
PID 3048 wrote to memory of 2072	3048	99a5ef0461df9c81a09c5dc3cce901db_JaffaCakes118.exe	schtasks.exe
PID 3048 wrote to memory of 2072	3048	99a5ef0461df9c81a09c5dc3cce901db_JaffaCakes118.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\99a5ef0461df9c81a09c5dc3cce901db_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\99a5ef0461df9c81a09c5dc3cce901db_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3048

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "NAS Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2185.tmp"
2⤵
- Creates scheduled task(s)
PID:2352

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "NAS Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2270.tmp"
2⤵
- Creates scheduled task(s)
PID:2072

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp2185.tmp
Filesize
1KB

MD5
598c788bbcd7929f82f3ff514b4be323

SHA1
bf9d7b1cee2d26977cdd260fa28026c30ef60f20

SHA256
80325647d8236fff02b4cf0ce6909693a2daa5884e4e1515ca6845bdf73e9111

SHA512
611735f49d722d63e32a69270031424cfdd58a15b89c45b1f618464f854bf38cd148d44c668bb7af2d978a900adf2828e182caf74e417a448cbd1bbb8308f8d8

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2270.tmp
Filesize
1KB

MD5
9f554f602c22cfc20079e966d177fadb

SHA1
789baa3425849bf239e47c6bcf352e6693a8c337

SHA256
4c760d5fe0c06cf4bf554170870f41181c61a217c37eb826903094dda86dd1f1

SHA512
b83e3e97dbe38ec4c64d9bef65e2521416f2d7434d78d05e66f729a2e0fbfea3f9bc6f6c4abaf76555af89a9565dfc0853d99067be9042dd66ed6246696eecbb

Download Submit
memory/3048-0-0x0000000074961000-0x0000000074962000-memory.dmp

Filesize
4KB

Download
memory/3048-1-0x0000000074960000-0x0000000074F0B000-memory.dmp

Filesize
5.7MB

Download
memory/3048-2-0x0000000074960000-0x0000000074F0B000-memory.dmp

Filesize
5.7MB

Download
memory/3048-10-0x0000000074960000-0x0000000074F0B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads