nanocore | 1d0128fd3184a765076397dd308e51bbc578a3639cb9c08ab6b5c36704d772b4

Resubmissions

14/11/2023, 17:31

231114-v3qg7acf42 10

14/11/2023, 17:21

28/10/2023, 19:29

24/10/2023, 13:29

18/10/2023, 12:04

07/09/2023, 12:10

Analysis

max time kernel
26s
max time network
32s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
07/09/2023, 12:10

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General

Target

ea55e146fed653416bd40c92ce89cd61b46035c7bc6f55a33c71a9872e2c9659.exe
Size

564KB
MD5

bdfc510bad54e411a0e5ed3d479fdecd
SHA1

3f4fc2f5ec18d2205dffdc1bd3c27b0416cc7bb1
SHA256

ea55e146fed653416bd40c92ce89cd61b46035c7bc6f55a33c71a9872e2c9659
SHA512

544248ae466c36eed4ee5803863527212897aa71ca80e7f2cf5da494c25e26254e6266b951e3bfe3be305b74de806d229c338d9bb2790e7b974656d9c3ddb89c
SSDEEP

12288:auoRx16X8AQpbnQusfrSytqtFtALqP4vAvQHv:aXRx16X8HwFtqtFtmqPs

Score

10^/10

nanocore 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\TCP Monitor = "C:\\Program Files (x86)\\TCP Monitor\\tcpmon.exe"	ea55e146fed653416bd40c92ce89cd61b46035c7bc6f55a33c71a9872e2c9659.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	ea55e146fed653416bd40c92ce89cd61b46035c7bc6f55a33c71a9872e2c9659.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

pid	Process
2324	ea55e146fed653416bd40c92ce89cd61b46035c7bc6f55a33c71a9872e2c9659.exe
2108	ea55e146fed653416bd40c92ce89cd61b46035c7bc6f55a33c71a9872e2c9659.exe
2108	ea55e146fed653416bd40c92ce89cd61b46035c7bc6f55a33c71a9872e2c9659.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2324 set thread context of 2108	2324	ea55e146fed653416bd40c92ce89cd61b46035c7bc6f55a33c71a9872e2c9659.exe	28

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\TCP Monitor\tcpmon.exe	ea55e146fed653416bd40c92ce89cd61b46035c7bc6f55a33c71a9872e2c9659.exe
File opened for modification	C:\Program Files (x86)\TCP Monitor\tcpmon.exe	ea55e146fed653416bd40c92ce89cd61b46035c7bc6f55a33c71a9872e2c9659.exe

Creates scheduled task(s) 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
2796	schtasks.exe
2780	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2108	ea55e146fed653416bd40c92ce89cd61b46035c7bc6f55a33c71a9872e2c9659.exe
2108	ea55e146fed653416bd40c92ce89cd61b46035c7bc6f55a33c71a9872e2c9659.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2108	ea55e146fed653416bd40c92ce89cd61b46035c7bc6f55a33c71a9872e2c9659.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2108	ea55e146fed653416bd40c92ce89cd61b46035c7bc6f55a33c71a9872e2c9659.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2324	ea55e146fed653416bd40c92ce89cd61b46035c7bc6f55a33c71a9872e2c9659.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
2108	ea55e146fed653416bd40c92ce89cd61b46035c7bc6f55a33c71a9872e2c9659.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 2108	2324	ea55e146fed653416bd40c92ce89cd61b46035c7bc6f55a33c71a9872e2c9659.exe	28
PID 2324 wrote to memory of 2108	2324	ea55e146fed653416bd40c92ce89cd61b46035c7bc6f55a33c71a9872e2c9659.exe	28
PID 2324 wrote to memory of 2108	2324	ea55e146fed653416bd40c92ce89cd61b46035c7bc6f55a33c71a9872e2c9659.exe	28
PID 2324 wrote to memory of 2108	2324	ea55e146fed653416bd40c92ce89cd61b46035c7bc6f55a33c71a9872e2c9659.exe	28
PID 2108 wrote to memory of 2796	2108	ea55e146fed653416bd40c92ce89cd61b46035c7bc6f55a33c71a9872e2c9659.exe	29
PID 2108 wrote to memory of 2796	2108	ea55e146fed653416bd40c92ce89cd61b46035c7bc6f55a33c71a9872e2c9659.exe	29
PID 2108 wrote to memory of 2796	2108	ea55e146fed653416bd40c92ce89cd61b46035c7bc6f55a33c71a9872e2c9659.exe	29
PID 2108 wrote to memory of 2796	2108	ea55e146fed653416bd40c92ce89cd61b46035c7bc6f55a33c71a9872e2c9659.exe	29
PID 2108 wrote to memory of 2780	2108	ea55e146fed653416bd40c92ce89cd61b46035c7bc6f55a33c71a9872e2c9659.exe	31
PID 2108 wrote to memory of 2780	2108	ea55e146fed653416bd40c92ce89cd61b46035c7bc6f55a33c71a9872e2c9659.exe	31
PID 2108 wrote to memory of 2780	2108	ea55e146fed653416bd40c92ce89cd61b46035c7bc6f55a33c71a9872e2c9659.exe	31
PID 2108 wrote to memory of 2780	2108	ea55e146fed653416bd40c92ce89cd61b46035c7bc6f55a33c71a9872e2c9659.exe	31

C:\Users\Admin\AppData\Local\Temp\ea55e146fed653416bd40c92ce89cd61b46035c7bc6f55a33c71a9872e2c9659.exe
"C:\Users\Admin\AppData\Local\Temp\ea55e146fed653416bd40c92ce89cd61b46035c7bc6f55a33c71a9872e2c9659.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2324
- C:\Users\Admin\AppData\Local\Temp\ea55e146fed653416bd40c92ce89cd61b46035c7bc6f55a33c71a9872e2c9659.exe
  "C:\Users\Admin\AppData\Local\Temp\ea55e146fed653416bd40c92ce89cd61b46035c7bc6f55a33c71a9872e2c9659.exe"
  2⤵
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:2108
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "TCP Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp5F01.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:2796
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "TCP Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp6079.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:2780

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp5F01.tmp

Filesize
1KB

MD5
9ddbb35913a67b23d3996e65b7e41215

SHA1
1065fddd93b1eaf76f862b8c838b1ceeed5f36ed

SHA256
9068f833bbe3d10eeeb3eaf5c48b94cc19839c3f264c98b3b7b569d39650a9bb

SHA512
80def92e34309a60f641c7b9632dbc9c7bdc63d9377da4cfafe1a5dc5a5b7c22824246eb75c30349ab046c143e848d2f103e14203ca29c5c4b54c56ebcf2399c

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6079.tmp

Filesize
1KB

MD5
32e4166428ba211917e2e78b94efe76a

SHA1
2a6954b85c9ad5fe2cf2a2b9180633c2ed9d5a07

SHA256
9779a221d78366901f8b109e0018e9197a40bea80618c935585a30980d9e9148

SHA512
e1027d5f3ab61f906e815964536a444f57f1dda7762801025caec9ea6556f4df0654d83a324265df4f09e65d3b324daf47979b4dd9d08b84389f5690d7ff0cdd

Download Submit
memory/2108-12-0x000000001ED20000-0x000000001ED60000-memory.dmp

Filesize
256KB

Download
memory/2108-13-0x000000001ED20000-0x000000001ED60000-memory.dmp

Filesize
256KB

Download
memory/2108-6-0x0000000077480000-0x0000000077629000-memory.dmp

Filesize
1.7MB

Download
memory/2108-7-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/2108-8-0x00000000747C0000-0x0000000074D6B000-memory.dmp

Filesize
5.7MB

Download
memory/2108-9-0x00000000747C0000-0x0000000074D6B000-memory.dmp

Filesize
5.7MB

Download
memory/2108-10-0x000000001ED20000-0x000000001ED60000-memory.dmp

Filesize
256KB

Download
memory/2108-11-0x000000001ED20000-0x000000001ED60000-memory.dmp

Filesize
256KB

Download
memory/2108-26-0x000000001ED20000-0x000000001ED60000-memory.dmp

Filesize
256KB

Download
memory/2108-25-0x000000001ED20000-0x000000001ED60000-memory.dmp

Filesize
256KB

Download
memory/2108-24-0x000000001ED20000-0x000000001ED60000-memory.dmp

Filesize
256KB

Download
memory/2108-23-0x00000000747C0000-0x0000000074D6B000-memory.dmp

Filesize
5.7MB

Download
memory/2108-21-0x00000000001B0000-0x00000000001BE000-memory.dmp

Filesize
56KB

Download
memory/2108-22-0x00000000747C0000-0x0000000074D6B000-memory.dmp

Filesize
5.7MB

Download
memory/2324-3-0x0000000077480000-0x0000000077629000-memory.dmp

Filesize
1.7MB

Download
memory/2324-4-0x0000000077670000-0x0000000077746000-memory.dmp

Filesize
856KB

Download
memory/2324-5-0x0000000000300000-0x000000000030E000-memory.dmp

Filesize
56KB

Download
memory/2324-2-0x0000000000300000-0x000000000030E000-memory.dmp

Filesize
56KB

Download