nanocore | c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf

General

Target

2b25a25533263e914b40e9438348936a.exe
Size

203KB
MD5

2b25a25533263e914b40e9438348936a
SHA1

b9b40f955274aed3658dc3301da40bfec1a6508d
SHA256

c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf
SHA512

3d2e5d5e1cb1c8f7948f9dffe3da2cdffdd1ad185757c7a447ad7f20526c8fee732f64fdfd3066505a1e863792d8d54a8574400a11825cc1569c997046a8ca44
SSDEEP

6144:MLV6Bta6dtJmakIM5x6V2qhLyNPYTbEjH:MLV6BtpmkKM2uL4YTS

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\IMAP Monitor = "C:\\Program Files (x86)\\IMAP Monitor\\imapmon.exe"	2b25a25533263e914b40e9438348936a.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	2b25a25533263e914b40e9438348936a.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\IMAP Monitor\imapmon.exe	2b25a25533263e914b40e9438348936a.exe
File opened for modification	C:\Program Files (x86)\IMAP Monitor\imapmon.exe	2b25a25533263e914b40e9438348936a.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	2b25a25533263e914b40e9438348936a.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
2548	schtasks.exe
2012	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2504	2b25a25533263e914b40e9438348936a.exe
2504	2b25a25533263e914b40e9438348936a.exe
2504	2b25a25533263e914b40e9438348936a.exe
2504	2b25a25533263e914b40e9438348936a.exe
2504	2b25a25533263e914b40e9438348936a.exe
2504	2b25a25533263e914b40e9438348936a.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2504	2b25a25533263e914b40e9438348936a.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2504	2b25a25533263e914b40e9438348936a.exe
Token: SeDebugPrivilege	2504	2b25a25533263e914b40e9438348936a.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 2548	2504	2b25a25533263e914b40e9438348936a.exe	30
PID 2504 wrote to memory of 2548	2504	2b25a25533263e914b40e9438348936a.exe	30
PID 2504 wrote to memory of 2548	2504	2b25a25533263e914b40e9438348936a.exe	30
PID 2504 wrote to memory of 2548	2504	2b25a25533263e914b40e9438348936a.exe	30
PID 2504 wrote to memory of 2012	2504	2b25a25533263e914b40e9438348936a.exe	32
PID 2504 wrote to memory of 2012	2504	2b25a25533263e914b40e9438348936a.exe	32
PID 2504 wrote to memory of 2012	2504	2b25a25533263e914b40e9438348936a.exe	32
PID 2504 wrote to memory of 2012	2504	2b25a25533263e914b40e9438348936a.exe	32

C:\Users\Admin\AppData\Local\Temp\2b25a25533263e914b40e9438348936a.exe
"C:\Users\Admin\AppData\Local\Temp\2b25a25533263e914b40e9438348936a.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:2504
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "IMAP Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA0A3.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2548
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "IMAP Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA130.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2012

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\tmpA0A3.tmp

Filesize
1KB

MD5
ab9797e620f60556e1b0ed63dbdced70

SHA1
9d320080029babc61bb4a42636a05366732dcd18

SHA256
aa71b85bbb8e96e98e4dcb26957a645ebae574234d2905a4a7dd889cb74156ed

SHA512
7d8d15e0e068da98661041e9e13e6d018c94174a6d379d0b23f42fa43ae94551fd300a1cdeac7dc4c93cc3e9cd4ca4557d328ca4193a03fdb57ecb43b5b1fa52

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA130.tmp

Filesize
1KB

MD5
d2d6911d94b06e405e7687a2437eafec

SHA1
9f28f9e7d8d5179d44ddaa6ca266984ed7521dea

SHA256
2dc87169ad53fbdd7abb08f49777cb8fb05adbff4e6f6616b4c89942af8cad0f

SHA512
b5983de701ff98e944283a25f1770c1e792d52148dc1671f1d19203f8b9d10b056abcf79a17ca536a5f88ccf52f6445d8f3e75fce628666640ad8bad697dcfd1

Download Submit
memory/2504-0-0x0000000074FC1000-0x0000000074FC2000-memory.dmp

Filesize
4KB

Download
memory/2504-1-0x0000000074FC0000-0x000000007556B000-memory.dmp

Filesize
5.7MB

Download
memory/2504-2-0x0000000074FC0000-0x000000007556B000-memory.dmp

Filesize
5.7MB

Download
memory/2504-13-0x0000000074FC0000-0x000000007556B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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