nanocore | 54a2b3e8a16feb53c082300d5a2b5d8c45f8d04fed6c6e8a7b5a296f9a96f945

General

Target

CHEQUE.exe
Size

1.3MB
MD5

6f3602ab7ad8432de871e02c49588bbe
SHA1

21c93399f0cb022e643c3dd1ae60e388d1812b14
SHA256

ea3b8bd5f61d3ac3f8b7b2fcd90c0f7caaa36bb9435207748230753031cc3cf1
SHA512

4ec33dea1126796d77afeb27268e73313c69ca759267a7d935674082b9a785a754094bd4de50246be1bccd9211da401906e4801504bce8be092688e15c92f50e
SSDEEP

24576:QqDEvCTbMWu7rQYlBQcBiT6rprG8aBjJrC4V+4/U3g+XO7bjW:QTvC/MTQYxsWR7aBjxC4VCQ++7f

Score

10^/10

nanocore discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

185.222.58.53:9805

Mutex

4a272282-28bb-4f35-9d1f-fa3fe895120e

Attributes

activate_away_mode
true
backup_connection_host
185.222.58.53
backup_dns_server
185.222.58.53
buffer_size
65535
build_time
2024-08-16T02:14:15.372206536Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
9805
default_group
Default
enable_debug_mode
true
gc_threshold
1.048576e+07
keep_alive_timeout
30000
keyboard_logging
false
lan_timeout
2500
max_packet_size
1.048576e+07
mutex
4a272282-28bb-4f35-9d1f-fa3fe895120e
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
185.222.58.53
primary_dns_server
185.222.58.53
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
false
set_critical_process
true
timeout_interval
5000
use_custom_dns_server
false
version
1.2.2.0
wan_timeout
8000

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\SCSI Service = "C:\\Program Files (x86)\\SCSI Service\\scsisvc.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2372 set thread context of 2772	2372	CHEQUE.exe	31

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\SCSI Service\scsisvc.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\SCSI Service\scsisvc.exe	RegSvcs.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	CHEQUE.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.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
2756	schtasks.exe
2652	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2772	RegSvcs.exe
2772	RegSvcs.exe
2772	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2772	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2372	CHEQUE.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2772	RegSvcs.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2772	2372	CHEQUE.exe	31
PID 2372 wrote to memory of 2772	2372	CHEQUE.exe	31
PID 2372 wrote to memory of 2772	2372	CHEQUE.exe	31
PID 2372 wrote to memory of 2772	2372	CHEQUE.exe	31
PID 2372 wrote to memory of 2772	2372	CHEQUE.exe	31
PID 2372 wrote to memory of 2772	2372	CHEQUE.exe	31
PID 2372 wrote to memory of 2772	2372	CHEQUE.exe	31
PID 2372 wrote to memory of 2772	2372	CHEQUE.exe	31
PID 2772 wrote to memory of 2652	2772	RegSvcs.exe	32
PID 2772 wrote to memory of 2652	2772	RegSvcs.exe	32
PID 2772 wrote to memory of 2652	2772	RegSvcs.exe	32
PID 2772 wrote to memory of 2652	2772	RegSvcs.exe	32
PID 2772 wrote to memory of 2756	2772	RegSvcs.exe	34
PID 2772 wrote to memory of 2756	2772	RegSvcs.exe	34
PID 2772 wrote to memory of 2756	2772	RegSvcs.exe	34
PID 2772 wrote to memory of 2756	2772	RegSvcs.exe	34

C:\Users\Admin\AppData\Local\Temp\CHEQUE.exe
"C:\Users\Admin\AppData\Local\Temp\CHEQUE.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\CHEQUE.exe"
  2⤵
  - Adds Run key to start application
  - 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:2772
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SCSI Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpEC04.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2652
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SCSI Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpECC0.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2756

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 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\tmpEC04.tmp

Filesize
1KB

MD5
40b11ef601fb28f9b2e69d36857bf2ec

SHA1
b6454020ad2ceed193f4792b77001d0bd741b370

SHA256
c51e12d18cc664425f6711d8ae2507068884c7057092cfa11884100e1e9d49e1

SHA512
e3c5bcc714cbfca4b8058ddcddf231dcefa69c15881ce3f8123e59ed45cfb5da052b56e1945dcf8dc7f800d62f9a4eecb82bca69a66a1530787aeffeb15e2bd5

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpECC0.tmp

Filesize
1KB

MD5
4e71faa3a77029484cfaba423d96618f

SHA1
9c837d050bb43d69dc608af809c292e13bca4718

SHA256
c470f45efd2e7c4c5b88534a18965a78dce0f8e154d3e45a9d5569ad0e334bdb

SHA512
6d014de41352f2b0b494d94cd58188791e81d4e53578d0722110b6827793b735e19c614877f25c61b26233dea1b5f1998ba1240bdc8fa04c87b7e64a4ca15fe0

Download Submit
memory/2372-2-0x00000000006A0000-0x0000000000AA0000-memory.dmp

Filesize
4.0MB

Download
memory/2772-10-0x00000000747E0000-0x0000000074D8B000-memory.dmp

Filesize
5.7MB

Download
memory/2772-3-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2772-9-0x00000000747E0000-0x0000000074D8B000-memory.dmp

Filesize
5.7MB

Download
memory/2772-8-0x00000000747E1000-0x00000000747E2000-memory.dmp

Filesize
4KB

Download
memory/2772-7-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2772-5-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2772-18-0x00000000747E0000-0x0000000074D8B000-memory.dmp

Filesize
5.7MB

Download
memory/2772-19-0x00000000747E0000-0x0000000074D8B000-memory.dmp

Filesize
5.7MB

Download
memory/2772-20-0x00000000747E0000-0x0000000074D8B000-memory.dmp

Filesize
5.7MB

Download
memory/2772-21-0x00000000747E0000-0x0000000074D8B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads