nanocore | 586aa182a672920bac2abcc931c1a34a373d5054a4f84228e4d03a9bb1d916c3

General

Target

fpsbooster.exe
Size

203KB
MD5

d0766bf50c2c981bf55a47f7db95e6ce
SHA1

8514990838e07a76a432736e1b1c6bd960089d28
SHA256

586aa182a672920bac2abcc931c1a34a373d5054a4f84228e4d03a9bb1d916c3
SHA512

5345a1bebbaf705ed7cbf3dd25ac984f3ed063b0b5382fb2738f3beac7b5f6817c912b4835e163a7fe1fee8231de4eb2b003ce311bcfb4ec1c7cb06bf679f175
SSDEEP

3072:szEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HITuwKNdlIhtRSE8KaDtyvLGVQZ:sLV6Bta6dtJmakIM5dTw37ax4L2o

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

Processes:

fpsbooster.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\IMAP Monitor = "C:\\Program Files (x86)\\IMAP Monitor\\imapmon.exe"	fpsbooster.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

fpsbooster.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	fpsbooster.exe

Drops file in Program Files directory 2 IoCs

Processes:

fpsbooster.exe

description	ioc	Process
File created	C:\Program Files (x86)\IMAP Monitor\imapmon.exe	fpsbooster.exe
File opened for modification	C:\Program Files (x86)\IMAP Monitor\imapmon.exe	fpsbooster.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

Processes:

fpsbooster.exeschtasks.exeschtasks.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fpsbooster.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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

Processes:

schtasks.exeschtasks.exe

pid	Process
2208	schtasks.exe
108	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

fpsbooster.exe

pid	Process
2400	fpsbooster.exe
2400	fpsbooster.exe
2400	fpsbooster.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

fpsbooster.exe

pid	Process
2400	fpsbooster.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

fpsbooster.exe

description	pid	Process
Token: SeDebugPrivilege	2400	fpsbooster.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

fpsbooster.exe

description	pid	Process	procid_target
PID 2400 wrote to memory of 108	2400	fpsbooster.exe	30
PID 2400 wrote to memory of 108	2400	fpsbooster.exe	30
PID 2400 wrote to memory of 108	2400	fpsbooster.exe	30
PID 2400 wrote to memory of 108	2400	fpsbooster.exe	30
PID 2400 wrote to memory of 2208	2400	fpsbooster.exe	32
PID 2400 wrote to memory of 2208	2400	fpsbooster.exe	32
PID 2400 wrote to memory of 2208	2400	fpsbooster.exe	32
PID 2400 wrote to memory of 2208	2400	fpsbooster.exe	32

C:\Users\Admin\AppData\Local\Temp\fpsbooster.exe
"C:\Users\Admin\AppData\Local\Temp\fpsbooster.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:2400
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "IMAP Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1140.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:108
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "IMAP Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp11BD.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2208

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\tmp1140.tmp

Filesize
1KB

MD5
abd73b647742b5fb2abd982e9ebedea9

SHA1
5b1de27f1bfdf39b16a652499bb62a76d7bfe0aa

SHA256
cdfd95b865be8d4eaf0f4ff8563e9e24e3c24f4f7ca04e3df3707f00937cea2e

SHA512
2162cfc488544db6468e4793891d59d210a8fdec991da9e4df4fea0d03480c4aad01605b56ecbe3664e8b67758af5c3aa0982f27a430e2166a31ee3f80718bdb

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp11BD.tmp

Filesize
1KB

MD5
d2d6911d94b06e405e7687a2437eafec

SHA1
9f28f9e7d8d5179d44ddaa6ca266984ed7521dea

SHA256
2dc87169ad53fbdd7abb08f49777cb8fb05adbff4e6f6616b4c89942af8cad0f

SHA512
b5983de701ff98e944283a25f1770c1e792d52148dc1671f1d19203f8b9d10b056abcf79a17ca536a5f88ccf52f6445d8f3e75fce628666640ad8bad697dcfd1

Download Submit
memory/2400-0-0x0000000074061000-0x0000000074062000-memory.dmp

Filesize
4KB

Download
memory/2400-1-0x0000000074060000-0x000000007460B000-memory.dmp

Filesize
5.7MB

Download
memory/2400-2-0x0000000074060000-0x000000007460B000-memory.dmp

Filesize
5.7MB

Download
memory/2400-10-0x0000000074060000-0x000000007460B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads