nanocore | 1a9dc2fbfe2257278e6452872cdbd18c50bf5c7142dd04c772f1633a7f20fd0d

General

Target

1a9dc2fbfe2257278e6452872cdbd18c50bf5c7142dd04c772f1633a7f20fd0d.exe
Size

235KB
MD5

0b9c6adaad6b250ad72923c2014b44b0
SHA1

7b9f82bef71e2d4ddfc258c2d1b7e7c5f76547fe
SHA256

1a9dc2fbfe2257278e6452872cdbd18c50bf5c7142dd04c772f1633a7f20fd0d
SHA512

3b9e734d09e8f01751d370aaff2cbe68ecaf18ec78ef6cc97974ff1ab8c5fe8db2b8b942e86b4b15e8f2657f5f5141088ca0cbe5b845b878732d3bed521aa0b7
SSDEEP

6144:ZLV6Bta6dtJmakIM5HrnJk4wyKmtkn3Y2AI:ZLV6Btpmkmd2etYIU

Score

10^/10

nanocore defense_evasion discovery 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
Nanocore family
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\ISS Host = "C:\\Program Files (x86)\\ISS Host\\isshost.exe"	1a9dc2fbfe2257278e6452872cdbd18c50bf5c7142dd04c772f1633a7f20fd0d.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

defense_evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	1a9dc2fbfe2257278e6452872cdbd18c50bf5c7142dd04c772f1633a7f20fd0d.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\ISS Host\isshost.exe	1a9dc2fbfe2257278e6452872cdbd18c50bf5c7142dd04c772f1633a7f20fd0d.exe
File opened for modification	C:\Program Files (x86)\ISS Host\isshost.exe	1a9dc2fbfe2257278e6452872cdbd18c50bf5c7142dd04c772f1633a7f20fd0d.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	1a9dc2fbfe2257278e6452872cdbd18c50bf5c7142dd04c772f1633a7f20fd0d.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

pid	Process
2580	schtasks.exe
2120	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1288	1a9dc2fbfe2257278e6452872cdbd18c50bf5c7142dd04c772f1633a7f20fd0d.exe
1288	1a9dc2fbfe2257278e6452872cdbd18c50bf5c7142dd04c772f1633a7f20fd0d.exe
1288	1a9dc2fbfe2257278e6452872cdbd18c50bf5c7142dd04c772f1633a7f20fd0d.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1288	1a9dc2fbfe2257278e6452872cdbd18c50bf5c7142dd04c772f1633a7f20fd0d.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1288	1a9dc2fbfe2257278e6452872cdbd18c50bf5c7142dd04c772f1633a7f20fd0d.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1288 wrote to memory of 2580	1288	1a9dc2fbfe2257278e6452872cdbd18c50bf5c7142dd04c772f1633a7f20fd0d.exe	30
PID 1288 wrote to memory of 2580	1288	1a9dc2fbfe2257278e6452872cdbd18c50bf5c7142dd04c772f1633a7f20fd0d.exe	30
PID 1288 wrote to memory of 2580	1288	1a9dc2fbfe2257278e6452872cdbd18c50bf5c7142dd04c772f1633a7f20fd0d.exe	30
PID 1288 wrote to memory of 2580	1288	1a9dc2fbfe2257278e6452872cdbd18c50bf5c7142dd04c772f1633a7f20fd0d.exe	30
PID 1288 wrote to memory of 2120	1288	1a9dc2fbfe2257278e6452872cdbd18c50bf5c7142dd04c772f1633a7f20fd0d.exe	32
PID 1288 wrote to memory of 2120	1288	1a9dc2fbfe2257278e6452872cdbd18c50bf5c7142dd04c772f1633a7f20fd0d.exe	32
PID 1288 wrote to memory of 2120	1288	1a9dc2fbfe2257278e6452872cdbd18c50bf5c7142dd04c772f1633a7f20fd0d.exe	32
PID 1288 wrote to memory of 2120	1288	1a9dc2fbfe2257278e6452872cdbd18c50bf5c7142dd04c772f1633a7f20fd0d.exe	32

C:\Users\Admin\AppData\Local\Temp\1a9dc2fbfe2257278e6452872cdbd18c50bf5c7142dd04c772f1633a7f20fd0d.exe
"C:\Users\Admin\AppData\Local\Temp\1a9dc2fbfe2257278e6452872cdbd18c50bf5c7142dd04c772f1633a7f20fd0d.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:1288
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "ISS Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA303.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2580
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "ISS Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA390.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2120

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\tmpA303.tmp

Filesize
1KB

MD5
63db107e00f40cb470f0935db4a66384

SHA1
4b70e5436ac5668ce13bba768e7644eab47b93b4

SHA256
86e67799f72cabbbe69dff7cca89a93a35fafb0fee23b9fcdf48325f3942a9e8

SHA512
8d2adc892472f78550182a9fc44f5ee15e7f5cd7b166af8aa795ffa4cf24c1516a435680d944d18b82b38d15e575b61ca44fc7ad035d15c3e3bf537b9fdf0e68

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA390.tmp

Filesize
1KB

MD5
3d1580c0395f6de62659467f5b7f1acf

SHA1
8e73a3885896cecca7ff799a272fc9ddfe06ea96

SHA256
6f40196c42a171f24a3e16edeca664cdc5a2f7c150d468255b0e14ab10a2b714

SHA512
7637c0d9b03227dffcb00a68d97ddce60bfc40ca0f8a7a4bbd700ea56be6d570908511dea5cab9f609a7da2e558e5298c482fd1e330af085f9c52867d5a847ea

Download Submit
memory/1288-0-0x0000000074CC1000-0x0000000074CC2000-memory.dmp

Filesize
4KB

Download
memory/1288-1-0x0000000074CC0000-0x000000007526B000-memory.dmp

Filesize
5.7MB

Download
memory/1288-2-0x0000000074CC0000-0x000000007526B000-memory.dmp

Filesize
5.7MB

Download
memory/1288-10-0x0000000074CC0000-0x000000007526B000-memory.dmp

Filesize
5.7MB

Download
memory/1288-11-0x0000000074CC0000-0x000000007526B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads