nanocore | 3f23e647fff8d2b4e202c3969d522e8f39566e617f856023ba845e706beb678d

General

Target

b23a5d0a402282f3608deb0604b0ac59_JaffaCakes118.exe
Size

486KB
MD5

b23a5d0a402282f3608deb0604b0ac59
SHA1

9dbc48c80dbe974ff149e52b8b0cbeca1237685e
SHA256

3f23e647fff8d2b4e202c3969d522e8f39566e617f856023ba845e706beb678d
SHA512

ea81cf67fa3742aa8c8bf2c8359b10c75f3b8e5d707d748b78cd965ddb11c41d0a0fc9128b081729b88515125d7e8bce2067936066c57f158e3849af30d8de8e
SSDEEP

12288:YBEwjwVWydPicpWVw3najE86wf8pnzPnUYOHmD7UQUFaCb:I6tPicppnabjWzPUYSm7Up0e

Score

10^/10

nanocore discovery evasion keylogger spyware stealer trojan

Malware Config

Signatures

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore
Nanocore family
nanocore

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	b23a5d0a402282f3608deb0604b0ac59_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4008 set thread context of 4688	4008	b23a5d0a402282f3608deb0604b0ac59_JaffaCakes118.exe	99

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\security.config.cch.new	b23a5d0a402282f3608deb0604b0ac59_JaffaCakes118.exe
File created	C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\enterprisesec.config.cch.new	b23a5d0a402282f3608deb0604b0ac59_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	b23a5d0a402282f3608deb0604b0ac59_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b23a5d0a402282f3608deb0604b0ac59_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4008	b23a5d0a402282f3608deb0604b0ac59_JaffaCakes118.exe
4688	b23a5d0a402282f3608deb0604b0ac59_JaffaCakes118.exe
4688	b23a5d0a402282f3608deb0604b0ac59_JaffaCakes118.exe
4688	b23a5d0a402282f3608deb0604b0ac59_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4688	b23a5d0a402282f3608deb0604b0ac59_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4008	b23a5d0a402282f3608deb0604b0ac59_JaffaCakes118.exe
Token: SeDebugPrivilege	4688	b23a5d0a402282f3608deb0604b0ac59_JaffaCakes118.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4688	b23a5d0a402282f3608deb0604b0ac59_JaffaCakes118.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
4688	b23a5d0a402282f3608deb0604b0ac59_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4008 wrote to memory of 4688	4008	b23a5d0a402282f3608deb0604b0ac59_JaffaCakes118.exe	99
PID 4008 wrote to memory of 4688	4008	b23a5d0a402282f3608deb0604b0ac59_JaffaCakes118.exe	99
PID 4008 wrote to memory of 4688	4008	b23a5d0a402282f3608deb0604b0ac59_JaffaCakes118.exe	99
PID 4008 wrote to memory of 4688	4008	b23a5d0a402282f3608deb0604b0ac59_JaffaCakes118.exe	99
PID 4008 wrote to memory of 4688	4008	b23a5d0a402282f3608deb0604b0ac59_JaffaCakes118.exe	99
PID 4008 wrote to memory of 4688	4008	b23a5d0a402282f3608deb0604b0ac59_JaffaCakes118.exe	99
PID 4008 wrote to memory of 4688	4008	b23a5d0a402282f3608deb0604b0ac59_JaffaCakes118.exe	99
PID 4008 wrote to memory of 4688	4008	b23a5d0a402282f3608deb0604b0ac59_JaffaCakes118.exe	99

C:\Users\Admin\AppData\Local\Temp\b23a5d0a402282f3608deb0604b0ac59_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b23a5d0a402282f3608deb0604b0ac59_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4008
- C:\Users\Admin\AppData\Local\Temp\b23a5d0a402282f3608deb0604b0ac59_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\b23a5d0a402282f3608deb0604b0ac59_JaffaCakes118.exe"
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:4688

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

Replay Monitor

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Downloads

memory/4008-8-0x0000000074B40000-0x00000000750F1000-memory.dmp

Filesize
5.7MB

Download
memory/4008-2-0x0000000074B40000-0x00000000750F1000-memory.dmp

Filesize
5.7MB

Download
memory/4008-9-0x0000000074B40000-0x00000000750F1000-memory.dmp

Filesize
5.7MB

Download
memory/4008-0-0x0000000074B42000-0x0000000074B43000-memory.dmp

Filesize
4KB

Download
memory/4008-4-0x0000000074B40000-0x00000000750F1000-memory.dmp

Filesize
5.7MB

Download
memory/4008-6-0x0000000074B40000-0x00000000750F1000-memory.dmp

Filesize
5.7MB

Download
memory/4008-5-0x0000000074B42000-0x0000000074B43000-memory.dmp

Filesize
4KB

Download
memory/4008-7-0x0000000074B40000-0x00000000750F1000-memory.dmp

Filesize
5.7MB

Download
memory/4008-20-0x0000000074B40000-0x00000000750F1000-memory.dmp

Filesize
5.7MB

Download
memory/4008-1-0x0000000074B40000-0x00000000750F1000-memory.dmp

Filesize
5.7MB

Download
memory/4008-3-0x0000000074B40000-0x00000000750F1000-memory.dmp

Filesize
5.7MB

Download
memory/4688-12-0x0000000074B40000-0x00000000750F1000-memory.dmp

Filesize
5.7MB

Download
memory/4688-16-0x0000000074B40000-0x00000000750F1000-memory.dmp

Filesize
5.7MB

Download
memory/4688-17-0x0000000074B40000-0x00000000750F1000-memory.dmp

Filesize
5.7MB

Download
memory/4688-24-0x0000000074B40000-0x00000000750F1000-memory.dmp

Filesize
5.7MB

Download
memory/4688-22-0x0000000074B40000-0x00000000750F1000-memory.dmp

Filesize
5.7MB

Download
memory/4688-23-0x0000000074B40000-0x00000000750F1000-memory.dmp

Filesize
5.7MB

Download
memory/4688-11-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download

Analysis

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