nanocore | bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6

General

Target

eb37be87a7c69cadd9a6eed850a8b44d_JaffaCakes118.exe
Size

203KB
MD5

eb37be87a7c69cadd9a6eed850a8b44d
SHA1

3f0838c84ace9827fa702e2f0e31ed3cfc3e01fa
SHA256

bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6
SHA512

028f67f777fba79936a9ee3ae56e1e06debda6732022db6651ce5b95c70a25f4fc53f74606720fbabab0dbe599640681aeb664147180fbb2935b3c1e5add2beb
SSDEEP

6144:sLV6Bta6dtJmakIM59EN/wjwJsvle+o9f/l:sLV6BtpmkvElepV

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\UPNP Subsystem = "C:\\Program Files (x86)\\UPNP Subsystem\\upnpss.exe"	eb37be87a7c69cadd9a6eed850a8b44d_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	eb37be87a7c69cadd9a6eed850a8b44d_JaffaCakes118.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\UPNP Subsystem\upnpss.exe	eb37be87a7c69cadd9a6eed850a8b44d_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\UPNP Subsystem\upnpss.exe	eb37be87a7c69cadd9a6eed850a8b44d_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	eb37be87a7c69cadd9a6eed850a8b44d_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
3096	schtasks.exe
5028	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4892	eb37be87a7c69cadd9a6eed850a8b44d_JaffaCakes118.exe
4892	eb37be87a7c69cadd9a6eed850a8b44d_JaffaCakes118.exe
4892	eb37be87a7c69cadd9a6eed850a8b44d_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4892	eb37be87a7c69cadd9a6eed850a8b44d_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4892	eb37be87a7c69cadd9a6eed850a8b44d_JaffaCakes118.exe
Token: SeDebugPrivilege	4892	eb37be87a7c69cadd9a6eed850a8b44d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4892 wrote to memory of 3096	4892	eb37be87a7c69cadd9a6eed850a8b44d_JaffaCakes118.exe	82
PID 4892 wrote to memory of 3096	4892	eb37be87a7c69cadd9a6eed850a8b44d_JaffaCakes118.exe	82
PID 4892 wrote to memory of 3096	4892	eb37be87a7c69cadd9a6eed850a8b44d_JaffaCakes118.exe	82
PID 4892 wrote to memory of 5028	4892	eb37be87a7c69cadd9a6eed850a8b44d_JaffaCakes118.exe	84
PID 4892 wrote to memory of 5028	4892	eb37be87a7c69cadd9a6eed850a8b44d_JaffaCakes118.exe	84
PID 4892 wrote to memory of 5028	4892	eb37be87a7c69cadd9a6eed850a8b44d_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\eb37be87a7c69cadd9a6eed850a8b44d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eb37be87a7c69cadd9a6eed850a8b44d_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:4892
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "UPNP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8D3C.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3096
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "UPNP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8D8B.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:5028

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\tmp8D3C.tmp

Filesize
1KB

MD5
e556a9935290156770fce8eeb162327d

SHA1
c51c3571def47b46fcf29f969b8fa49b8afca650

SHA256
35f020a5b477a5eb05dfe5d4ab800da04c375ecd6834adf804e51dfadc6b5a1e

SHA512
2c6fff701e7a7ac88bc8f4e1700cc19e43f5422cdf28170976387a56cab93a9e5de7a43679f8d4dcee6118ff8decc2f86a8f8a748ef2db57bf089624daef1f24

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8D8B.tmp

Filesize
1KB

MD5
af9986f5e128fd8bd3ae748fcba6576d

SHA1
8060072c35108b48649a03be91803b97f1ad40a4

SHA256
f3242f6480b3d1a8f9285135fdce9a201c4802ce062eee4fb41c488a21d53303

SHA512
f35c8e1699905bc972ae48a5a4a9fd33ea04b2d851ffc1cb1d1573a2087121d803b4186a696b2edad10a9c46c388a478e105f5a730020b598aa9f483086dba38

Download Submit
memory/4892-0-0x0000000074C72000-0x0000000074C73000-memory.dmp

Filesize
4KB

Download
memory/4892-1-0x0000000074C70000-0x0000000075221000-memory.dmp

Filesize
5.7MB

Download
memory/4892-2-0x0000000074C70000-0x0000000075221000-memory.dmp

Filesize
5.7MB

Download
memory/4892-10-0x0000000074C70000-0x0000000075221000-memory.dmp

Filesize
5.7MB

Download
memory/4892-11-0x0000000074C72000-0x0000000074C73000-memory.dmp

Filesize
4KB

Download
memory/4892-12-0x0000000074C70000-0x0000000075221000-memory.dmp

Filesize
5.7MB

Download
memory/4892-13-0x0000000074C70000-0x0000000075221000-memory.dmp

Filesize
5.7MB

Download
memory/4892-14-0x0000000074C70000-0x0000000075221000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads