nanocore | 4ea150ff416821c0b65ae4990456126c4912f6745fc720bfc6874b45032908df

General

Target

40ef4e92d2dd01ad889e5d14a6bc48e7_JaffaCakes118.exe
Size

1.2MB
MD5

40ef4e92d2dd01ad889e5d14a6bc48e7
SHA1

b3aa5ccafe40dc6555a7e64bf5173b1207d517a0
SHA256

4ea150ff416821c0b65ae4990456126c4912f6745fc720bfc6874b45032908df
SHA512

eaecfea7a30a407f1d21603dba16dc0093dc71649a9547ec43325a71092bfad2401e6b231b418da9db1a4e51eb361ff0e839a23d99f8d0d630aa931987810b35
SSDEEP

24576:t/2wNbW3uw8flnG/kvw+WS3wfPfMcDiGw:Z2wAuw8NnG/qJw/N

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:

40ef4e92d2dd01ad889e5d14a6bc48e7_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\UDP Subsystem = "C:\\Program Files (x86)\\UDP Subsystem\\udpss.exe"	40ef4e92d2dd01ad889e5d14a6bc48e7_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

40ef4e92d2dd01ad889e5d14a6bc48e7_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	40ef4e92d2dd01ad889e5d14a6bc48e7_JaffaCakes118.exe

Drops file in Program Files directory 2 IoCs

Processes:

40ef4e92d2dd01ad889e5d14a6bc48e7_JaffaCakes118.exe

description	ioc	process
File created	C:\Program Files (x86)\UDP Subsystem\udpss.exe	40ef4e92d2dd01ad889e5d14a6bc48e7_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\UDP Subsystem\udpss.exe	40ef4e92d2dd01ad889e5d14a6bc48e7_JaffaCakes118.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2252 64 WerFault.exe 40ef4e92d2dd01ad889e5d14a6bc48e7_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

4420 schtasks.exe
4204 schtasks.exe

pid	pid_target	process	target process
2252	64	WerFault.exe	40ef4e92d2dd01ad889e5d14a6bc48e7_JaffaCakes118.exe

pid	process
4420	schtasks.exe
4204	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

40ef4e92d2dd01ad889e5d14a6bc48e7_JaffaCakes118.exe

pid	process
64	40ef4e92d2dd01ad889e5d14a6bc48e7_JaffaCakes118.exe
64	40ef4e92d2dd01ad889e5d14a6bc48e7_JaffaCakes118.exe
64	40ef4e92d2dd01ad889e5d14a6bc48e7_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

40ef4e92d2dd01ad889e5d14a6bc48e7_JaffaCakes118.exe

pid process

64 40ef4e92d2dd01ad889e5d14a6bc48e7_JaffaCakes118.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

40ef4e92d2dd01ad889e5d14a6bc48e7_JaffaCakes118.exe

description pid process

Token: SeDebugPrivilege 64 40ef4e92d2dd01ad889e5d14a6bc48e7_JaffaCakes118.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

40ef4e92d2dd01ad889e5d14a6bc48e7_JaffaCakes118.exe

pid process

64 40ef4e92d2dd01ad889e5d14a6bc48e7_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	64	40ef4e92d2dd01ad889e5d14a6bc48e7_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

40ef4e92d2dd01ad889e5d14a6bc48e7_JaffaCakes118.exe

description	pid	process	target process
PID 64 wrote to memory of 4420	64	40ef4e92d2dd01ad889e5d14a6bc48e7_JaffaCakes118.exe	schtasks.exe
PID 64 wrote to memory of 4420	64	40ef4e92d2dd01ad889e5d14a6bc48e7_JaffaCakes118.exe	schtasks.exe
PID 64 wrote to memory of 4420	64	40ef4e92d2dd01ad889e5d14a6bc48e7_JaffaCakes118.exe	schtasks.exe
PID 64 wrote to memory of 4204	64	40ef4e92d2dd01ad889e5d14a6bc48e7_JaffaCakes118.exe	schtasks.exe
PID 64 wrote to memory of 4204	64	40ef4e92d2dd01ad889e5d14a6bc48e7_JaffaCakes118.exe	schtasks.exe
PID 64 wrote to memory of 4204	64	40ef4e92d2dd01ad889e5d14a6bc48e7_JaffaCakes118.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\40ef4e92d2dd01ad889e5d14a6bc48e7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\40ef4e92d2dd01ad889e5d14a6bc48e7_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 SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:64

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 64 -s 1392
2⤵
- Program crash
PID:2252

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "UDP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp6D8F.tmp"
2⤵
- Creates scheduled task(s)
PID:4420

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "UDP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp6DDE.tmp"
2⤵
- Creates scheduled task(s)
PID:4204

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 64 -ip 64
1⤵
PID:404

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\tmp6D8F.tmp
Filesize
1KB

MD5
67e0e67f9e11f2f281d6b78f21dbe0d6

SHA1
ba3aaebbbe6f6568dff5a512ad1839a563b1c180

SHA256
7fbe4f7519a28b49528786dab82bcde5bfce5a69bc12b1c4ce565abd24551424

SHA512
646839671e33665b038a05263d1aaa7e9762f0ca5eee2355d3656c8a33f2aea6b90ee419efb8c1def05a1fd04c3f549c19f3e4ad28d695bdc70223b7bf816869

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6DDE.tmp
Filesize
1KB

MD5
c4aecdef99eba873119e79616df3f4b0

SHA1
b1b3af52655fb633eed909dfed05b64fbbfac37c

SHA256
24fd0d87bea36a024449a95f808aaa174e4ed9003cb8a427b67c02411b8a2e0b

SHA512
e3f44b07267fccf4f5abd4efe80f2b037ddadc4cb898bdfca9d21ac5d79fcac828950065c2060d3ce125ee971fc3096183afee5287ba9951fbbda7257d8ed8d4

Download Submit
memory/64-11-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/64-7-0x0000000077E01000-0x0000000077F21000-memory.dmp

Filesize
1.1MB

Download
memory/64-10-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/64-3-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/64-12-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/64-13-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/64-14-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/64-15-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/64-8-0x0000000074D02000-0x0000000074D03000-memory.dmp

Filesize
4KB

Download
memory/64-9-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/64-24-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/64-26-0x0000000074D02000-0x0000000074D03000-memory.dmp

Filesize
4KB

Download
memory/64-27-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/64-28-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/64-29-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/64-31-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/64-32-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/64-33-0x0000000074D00000-0x00000000752B1000-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