nanocore | 64ce422b18dfaf9ca531f509ed4d05a47433e9ff468de8cfda06fb3bc85f80a4

General

Target

MIS.exe
Size

202KB
MD5

77a6bdfb5bbcb7946fe9b601afcc39e7
SHA1

f1d08b43eb1936922f4999b789f37b7124ec630c
SHA256

64ce422b18dfaf9ca531f509ed4d05a47433e9ff468de8cfda06fb3bc85f80a4
SHA512

ac02ce92fb3c820b6b1e58be26762a6ba976a6a69523898df942a794cb4abb1dbc667454bc0aea7e9c597ee1ce05e4e6fb6bdb9a6b226a512c0d92f0fa59b9ba
SSDEEP

3072:QzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HIrccsD6RA5E3bKKiCf3e0kYrOd:QLV6Bta6dtJmakIM5Bcs8A5ELiUfoB

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

Deletes itself 1 IoCs

Processes:

cmd.exe

pid	Process
2756	cmd.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

MIS.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\UDP Service = "C:\\Program Files (x86)\\UDP Service\\udpsv.exe"	MIS.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

MIS.exe

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

Drops file in Program Files directory 2 IoCs

Processes:

MIS.exe

description	ioc	Process
File opened for modification	C:\Program Files (x86)\UDP Service\udpsv.exe	MIS.exe
File created	C:\Program Files (x86)\UDP Service\udpsv.exe	MIS.exe

System Location Discovery: System Language Discovery 1 TTPs 6 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:

MIS.exeschtasks.exeschtasks.execmd.exetaskkill.exePING.EXE

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MIS.exe
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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

Processes:

PING.EXEcmd.exe

pid	Process
1636	PING.EXE
2756	cmd.exe

Kills process with taskkill 1 IoCs

evasion

Processes:

taskkill.exe

pid	Process
2600	taskkill.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

Processes:

PING.EXE

pid	Process
1636	PING.EXE

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

MIS.exe

pid	Process
2524	MIS.exe
2524	MIS.exe
2524	MIS.exe
2524	MIS.exe
2524	MIS.exe
2524	MIS.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

MIS.exe

pid	Process
2524	MIS.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

MIS.exetaskkill.exe

description	pid	Process
Token: SeDebugPrivilege	2524	MIS.exe
Token: SeDebugPrivilege	2524	MIS.exe
Token: SeDebugPrivilege	2600	taskkill.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

MIS.execmd.exe

description	pid	Process	procid_target
PID 2524 wrote to memory of 2828	2524	MIS.exe	31
PID 2524 wrote to memory of 2828	2524	MIS.exe	31
PID 2524 wrote to memory of 2828	2524	MIS.exe	31
PID 2524 wrote to memory of 2828	2524	MIS.exe	31
PID 2524 wrote to memory of 2844	2524	MIS.exe	33
PID 2524 wrote to memory of 2844	2524	MIS.exe	33
PID 2524 wrote to memory of 2844	2524	MIS.exe	33
PID 2524 wrote to memory of 2844	2524	MIS.exe	33
PID 2524 wrote to memory of 2756	2524	MIS.exe	35
PID 2524 wrote to memory of 2756	2524	MIS.exe	35
PID 2524 wrote to memory of 2756	2524	MIS.exe	35
PID 2524 wrote to memory of 2756	2524	MIS.exe	35
PID 2756 wrote to memory of 2600	2756	cmd.exe	37
PID 2756 wrote to memory of 2600	2756	cmd.exe	37
PID 2756 wrote to memory of 2600	2756	cmd.exe	37
PID 2756 wrote to memory of 2600	2756	cmd.exe	37
PID 2756 wrote to memory of 1636	2756	cmd.exe	39
PID 2756 wrote to memory of 1636	2756	cmd.exe	39
PID 2756 wrote to memory of 1636	2756	cmd.exe	39
PID 2756 wrote to memory of 1636	2756	cmd.exe	39

C:\Users\Admin\AppData\Local\Temp\MIS.exe
"C:\Users\Admin\AppData\Local\Temp\MIS.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:2524
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /delete /f /tn "UDP Service"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2828
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /delete /f /tn "UDP Service Task"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2844
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C taskkill /f /im "MIS.exe" & ping -n 1 -w 3000 1.1.1.1 & type nul > "C:\Users\Admin\AppData\Local\Temp\MIS.exe" & del /f /q "C:\Users\Admin\AppData\Local\Temp\MIS.exe"
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2756
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /im "MIS.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2600
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 1 -w 3000 1.1.1.1
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:1636

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2524-0-0x0000000074451000-0x0000000074452000-memory.dmp

Filesize
4KB

Download
memory/2524-1-0x0000000074450000-0x00000000749FB000-memory.dmp

Filesize
5.7MB

Download
memory/2524-2-0x0000000074450000-0x00000000749FB000-memory.dmp

Filesize
5.7MB

Download
memory/2524-8-0x0000000074450000-0x00000000749FB000-memory.dmp

Filesize
5.7MB

Download
memory/2524-15-0x0000000074450000-0x00000000749FB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads