nanocore | 54c028b0bb2728975b22d500df2164a3218670a3db6cb8a9a31654fdc2b8a20b

General

Target

661853c344c274af24c2d172db42cc9b.exe
Size

203KB
MD5

661853c344c274af24c2d172db42cc9b
SHA1

4bf93aa965559f99c85e521f5984cb409591f54c
SHA256

54c028b0bb2728975b22d500df2164a3218670a3db6cb8a9a31654fdc2b8a20b
SHA512

ebc3286c97af3f8df973842c21422c124160fefeeeda50757f7e41c9b9fb7405d4d25bd11c5e0a31ab90b41482b444aa5a6e2348f1b475a08238e0784bcd2503
SSDEEP

3072:szEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HIPoiT05t4Ziu8hBVv4TPcXQZq/:sLV6Bta6dtJmakIM5EGtMMnEcXs7hmt

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\IMAP Subsystem = "C:\\Program Files (x86)\\IMAP Subsystem\\imapss.exe"	661853c344c274af24c2d172db42cc9b.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	661853c344c274af24c2d172db42cc9b.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\IMAP Subsystem\imapss.exe	661853c344c274af24c2d172db42cc9b.exe
File opened for modification	C:\Program Files (x86)\IMAP Subsystem\imapss.exe	661853c344c274af24c2d172db42cc9b.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	661853c344c274af24c2d172db42cc9b.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
3296	schtasks.exe
1572	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3372	661853c344c274af24c2d172db42cc9b.exe
3372	661853c344c274af24c2d172db42cc9b.exe
3372	661853c344c274af24c2d172db42cc9b.exe
3372	661853c344c274af24c2d172db42cc9b.exe
3372	661853c344c274af24c2d172db42cc9b.exe
3372	661853c344c274af24c2d172db42cc9b.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3372	661853c344c274af24c2d172db42cc9b.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3372	661853c344c274af24c2d172db42cc9b.exe
Token: SeDebugPrivilege	3372	661853c344c274af24c2d172db42cc9b.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3372 wrote to memory of 1572	3372	661853c344c274af24c2d172db42cc9b.exe	87
PID 3372 wrote to memory of 1572	3372	661853c344c274af24c2d172db42cc9b.exe	87
PID 3372 wrote to memory of 1572	3372	661853c344c274af24c2d172db42cc9b.exe	87
PID 3372 wrote to memory of 3296	3372	661853c344c274af24c2d172db42cc9b.exe	89
PID 3372 wrote to memory of 3296	3372	661853c344c274af24c2d172db42cc9b.exe	89
PID 3372 wrote to memory of 3296	3372	661853c344c274af24c2d172db42cc9b.exe	89

C:\Users\Admin\AppData\Local\Temp\661853c344c274af24c2d172db42cc9b.exe
"C:\Users\Admin\AppData\Local\Temp\661853c344c274af24c2d172db42cc9b.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:3372
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "IMAP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8D2C.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1572
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "IMAP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8D7C.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3296

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\tmp8D2C.tmp

Filesize
1KB

MD5
7c1e3438321c13afd83257e4839b8f33

SHA1
2461f57669f68fb52bfd98dc1afba9e4c5951177

SHA256
981b514010e868bd65bb600f7adbfbf6087fb308a920a31ee0b858c66307a1e6

SHA512
b8170b1769ad7029196a25d11debb89fae55e2c3ea2f4a3867d917bea75ae4b4f7f969acacf50df801a37f6e73393f8b8dad7ab7d1ddbfb986fdf0e59198b675

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8D7C.tmp

Filesize
1KB

MD5
4a0b600dc69a91b7134c8cedda9e49d3

SHA1
788e74e33a9dc48a45074b7226730a299352f2ef

SHA256
113b96e45fb075b17d381d3933db3eb2afcd1d08f7066a27b701ed9efd6c55f7

SHA512
e2c7b7ad53ae28f895bbc8f5781b4748af1998832e6f6dadca77a961a123fc5507f84ddac3f1c6851a80d279416485515a7bd1798053aee5ff38e62ce4c7c44c

Download Submit
memory/3372-0-0x0000000074AB2000-0x0000000074AB3000-memory.dmp

Filesize
4KB

Download
memory/3372-1-0x0000000074AB0000-0x0000000075061000-memory.dmp

Filesize
5.7MB

Download
memory/3372-2-0x0000000074AB0000-0x0000000075061000-memory.dmp

Filesize
5.7MB

Download
memory/3372-10-0x0000000074AB0000-0x0000000075061000-memory.dmp

Filesize
5.7MB

Download
memory/3372-14-0x0000000074AB2000-0x0000000074AB3000-memory.dmp

Filesize
4KB

Download
memory/3372-15-0x0000000074AB0000-0x0000000075061000-memory.dmp

Filesize
5.7MB

Download
memory/3372-16-0x0000000074AB0000-0x0000000075061000-memory.dmp

Filesize
5.7MB

Download
memory/3372-17-0x0000000074AB0000-0x0000000075061000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads