nanocore | 54c028b0bb2728975b22d500df2164a3218670a3db6cb8a9a31654fdc2b8a20b

General

Target

54c028b0bb2728975b22d500df2164a3218670a3db6cb8a9a31654fdc2b8a20b.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"	54c028b0bb2728975b22d500df2164a3218670a3db6cb8a9a31654fdc2b8a20b.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	54c028b0bb2728975b22d500df2164a3218670a3db6cb8a9a31654fdc2b8a20b.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\IMAP Subsystem\imapss.exe	54c028b0bb2728975b22d500df2164a3218670a3db6cb8a9a31654fdc2b8a20b.exe
File opened for modification	C:\Program Files (x86)\IMAP Subsystem\imapss.exe	54c028b0bb2728975b22d500df2164a3218670a3db6cb8a9a31654fdc2b8a20b.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	54c028b0bb2728975b22d500df2164a3218670a3db6cb8a9a31654fdc2b8a20b.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
3504	schtasks.exe
4868	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1080	54c028b0bb2728975b22d500df2164a3218670a3db6cb8a9a31654fdc2b8a20b.exe
1080	54c028b0bb2728975b22d500df2164a3218670a3db6cb8a9a31654fdc2b8a20b.exe
1080	54c028b0bb2728975b22d500df2164a3218670a3db6cb8a9a31654fdc2b8a20b.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1080	54c028b0bb2728975b22d500df2164a3218670a3db6cb8a9a31654fdc2b8a20b.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1080	54c028b0bb2728975b22d500df2164a3218670a3db6cb8a9a31654fdc2b8a20b.exe
Token: SeDebugPrivilege	1080	54c028b0bb2728975b22d500df2164a3218670a3db6cb8a9a31654fdc2b8a20b.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1080 wrote to memory of 3504	1080	54c028b0bb2728975b22d500df2164a3218670a3db6cb8a9a31654fdc2b8a20b.exe	86
PID 1080 wrote to memory of 3504	1080	54c028b0bb2728975b22d500df2164a3218670a3db6cb8a9a31654fdc2b8a20b.exe	86
PID 1080 wrote to memory of 3504	1080	54c028b0bb2728975b22d500df2164a3218670a3db6cb8a9a31654fdc2b8a20b.exe	86
PID 1080 wrote to memory of 4868	1080	54c028b0bb2728975b22d500df2164a3218670a3db6cb8a9a31654fdc2b8a20b.exe	88
PID 1080 wrote to memory of 4868	1080	54c028b0bb2728975b22d500df2164a3218670a3db6cb8a9a31654fdc2b8a20b.exe	88
PID 1080 wrote to memory of 4868	1080	54c028b0bb2728975b22d500df2164a3218670a3db6cb8a9a31654fdc2b8a20b.exe	88

C:\Users\Admin\AppData\Local\Temp\54c028b0bb2728975b22d500df2164a3218670a3db6cb8a9a31654fdc2b8a20b.exe
"C:\Users\Admin\AppData\Local\Temp\54c028b0bb2728975b22d500df2164a3218670a3db6cb8a9a31654fdc2b8a20b.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:1080
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "IMAP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp900B.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3504
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "IMAP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp904A.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4868

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp900B.tmp

Filesize
1KB

MD5
af4fa4e320500aa0d1c3b72d46e0e06c

SHA1
cdd97a1aa11c42169a42b4b03215a0004ffc36e6

SHA256
4f4cc1a4f226f27bf98e851554b8cb1932fd0053a376c0ec6a5a73a95fe86726

SHA512
247ed24b6244eadfc0b79c18efc9b8083e8b3f43535baa6bf7f4bfe40968080d3f637e6d7ec8533a548d268694db9b7221159f26200c572c6b5f4209ea3e70dd

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp904A.tmp

Filesize
1KB

MD5
4a0b600dc69a91b7134c8cedda9e49d3

SHA1
788e74e33a9dc48a45074b7226730a299352f2ef

SHA256
113b96e45fb075b17d381d3933db3eb2afcd1d08f7066a27b701ed9efd6c55f7

SHA512
e2c7b7ad53ae28f895bbc8f5781b4748af1998832e6f6dadca77a961a123fc5507f84ddac3f1c6851a80d279416485515a7bd1798053aee5ff38e62ce4c7c44c

Download Submit
memory/1080-0-0x00000000747E2000-0x00000000747E3000-memory.dmp

Filesize
4KB

Download
memory/1080-1-0x00000000747E0000-0x0000000074D91000-memory.dmp

Filesize
5.7MB

Download
memory/1080-2-0x00000000747E0000-0x0000000074D91000-memory.dmp

Filesize
5.7MB

Download
memory/1080-10-0x00000000747E0000-0x0000000074D91000-memory.dmp

Filesize
5.7MB

Download
memory/1080-11-0x00000000747E2000-0x00000000747E3000-memory.dmp

Filesize
4KB

Download
memory/1080-12-0x00000000747E0000-0x0000000074D91000-memory.dmp

Filesize
5.7MB

Download
memory/1080-13-0x00000000747E0000-0x0000000074D91000-memory.dmp

Filesize
5.7MB

Download
memory/1080-14-0x00000000747E0000-0x0000000074D91000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads