nanocore | 2c76a946613af327c39bc27c9eadbdc130c649ec0b34a21db170b0bd6662f7bc

Analysis

max time kernel
148s
max time network
152s
platform
windows10_x64
resource
win10v200722
submitted
12/10/2020, 14:51

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General

Target
Dsc_098765560-)00023554567.exe
Size 2.3MB
Sample201012-5pse6yy7rn
SHA256 2c76a946613af327c39bc27c9eadbdc130c649ec0b34a21db170b0bd6662f7bc
MD5 31172615bffd6d7c83689bab465da3a6
SHA1 5ef936085611cc156791a2541a58add60ca0a6bc
SHA512 74c7f8364e093cabd1a537e3da35edcad03d6da9762b203ba5d2e717323e9d386889ae8932feb83a28567d8bf7cdc67a46cb5d9b29f5343fecc2a7745bf527b5
MD5 SHA1 SHA512

Score

10^/10

evasion trojan keylogger stealer spyware nanocore persistence

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

chingin.myq-see.com:6830
185.140.53.147:6830

Mutex

7fa5ce5a-1187-4347-a13e-f4d668046859

Attributes

activate_away_mode
true
backup_connection_host
185.140.53.147
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-06-29T07:40:20.602269736Z
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
6830
default_group
HOST
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
7fa5ce5a-1187-4347-a13e-f4d668046859
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
chingin.myq-see.com
primary_dns_server
8.8.8.8
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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\IMAP Service = "C:\\Program Files (x86)\\IMAP Service\\imapsv.exe"	Dsc_098765560-)00023554567.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	Dsc_098765560-)00023554567.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2080 set thread context of 3512	2080	Dsc_098765560-)00023554567.exe	75

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\IMAP Service\imapsv.exe	Dsc_098765560-)00023554567.exe
File opened for modification	C:\Program Files (x86)\IMAP Service\imapsv.exe	Dsc_098765560-)00023554567.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

T1053

pid	Process
3812	schtasks.exe
2852	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1352	timeout.exe

NTFS ADS 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\FolderN\name.exe:Zone.Identifier	cmd.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2080	Dsc_098765560-)00023554567.exe
2080	Dsc_098765560-)00023554567.exe
3512	Dsc_098765560-)00023554567.exe
3512	Dsc_098765560-)00023554567.exe
3512	Dsc_098765560-)00023554567.exe
2080	Dsc_098765560-)00023554567.exe
2080	Dsc_098765560-)00023554567.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3512	Dsc_098765560-)00023554567.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2080	Dsc_098765560-)00023554567.exe
Token: 33	2080	Dsc_098765560-)00023554567.exe
Token: SeIncBasePriorityPrivilege	2080	Dsc_098765560-)00023554567.exe
Token: SeDebugPrivilege	3512	Dsc_098765560-)00023554567.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 3512	2080	Dsc_098765560-)00023554567.exe	75
PID 2080 wrote to memory of 3512	2080	Dsc_098765560-)00023554567.exe	75
PID 2080 wrote to memory of 3512	2080	Dsc_098765560-)00023554567.exe	75
PID 2080 wrote to memory of 3512	2080	Dsc_098765560-)00023554567.exe	75
PID 2080 wrote to memory of 3512	2080	Dsc_098765560-)00023554567.exe	75
PID 2080 wrote to memory of 3512	2080	Dsc_098765560-)00023554567.exe	75
PID 2080 wrote to memory of 3512	2080	Dsc_098765560-)00023554567.exe	75
PID 2080 wrote to memory of 3512	2080	Dsc_098765560-)00023554567.exe	75
PID 2080 wrote to memory of 1720	2080	Dsc_098765560-)00023554567.exe	76
PID 2080 wrote to memory of 1720	2080	Dsc_098765560-)00023554567.exe	76
PID 2080 wrote to memory of 1720	2080	Dsc_098765560-)00023554567.exe	76
PID 3512 wrote to memory of 3812	3512	Dsc_098765560-)00023554567.exe	78
PID 3512 wrote to memory of 3812	3512	Dsc_098765560-)00023554567.exe	78
PID 3512 wrote to memory of 3812	3512	Dsc_098765560-)00023554567.exe	78
PID 2080 wrote to memory of 2708	2080	Dsc_098765560-)00023554567.exe	80
PID 2080 wrote to memory of 2708	2080	Dsc_098765560-)00023554567.exe	80
PID 2080 wrote to memory of 2708	2080	Dsc_098765560-)00023554567.exe	80
PID 2708 wrote to memory of 2644	2708	cmd.exe	82
PID 2708 wrote to memory of 2644	2708	cmd.exe	82
PID 2708 wrote to memory of 2644	2708	cmd.exe	82
PID 3512 wrote to memory of 2852	3512	Dsc_098765560-)00023554567.exe	83
PID 3512 wrote to memory of 2852	3512	Dsc_098765560-)00023554567.exe	83
PID 3512 wrote to memory of 2852	3512	Dsc_098765560-)00023554567.exe	83
PID 2080 wrote to memory of 2800	2080	Dsc_098765560-)00023554567.exe	85
PID 2080 wrote to memory of 2800	2080	Dsc_098765560-)00023554567.exe	85
PID 2080 wrote to memory of 2800	2080	Dsc_098765560-)00023554567.exe	85
PID 2080 wrote to memory of 3412	2080	Dsc_098765560-)00023554567.exe	87
PID 2080 wrote to memory of 3412	2080	Dsc_098765560-)00023554567.exe	87
PID 2080 wrote to memory of 3412	2080	Dsc_098765560-)00023554567.exe	87
PID 3412 wrote to memory of 1352	3412	cmd.exe	89
PID 3412 wrote to memory of 1352	3412	cmd.exe	89
PID 3412 wrote to memory of 1352	3412	cmd.exe	89

C:\Users\Admin\AppData\Local\Temp\Dsc_098765560-)00023554567.exe
"C:\Users\Admin\AppData\Local\Temp\Dsc_098765560-)00023554567.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2080
- C:\Users\Admin\AppData\Local\Temp\Dsc_098765560-)00023554567.exe
  "C:/Users/Admin/AppData/Local/Temp/Dsc_098765560-)00023554567.exe"
  2⤵
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3512
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "IMAP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8727.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:3812
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "IMAP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8880.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:2852
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c copy "C:/Users/Admin/AppData/Local/Temp/Dsc_098765560-)00023554567.exe" "%temp%\FolderN\name.exe" /Y
  2⤵
  PID:1720
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "%temp%\FolderN\name.exe.lnk" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2708
- - C:\Windows\SysWOW64\reg.exe
    reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\FolderN\name.exe.lnk" /f
    3⤵
    PID:2644
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c echo [zoneTransfer]ZoneID = 2 > %temp%\FolderN\name.exe:Zone.Identifier
  2⤵
  - NTFS ADS
  PID:2800
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\FolderN\name.exe.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3412
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 300
    3⤵
    - Delays execution with timeout.exe
    PID:1352

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2080-4-0x0000000004DC0000-0x0000000004DC1000-memory.dmp

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memory/2080-0-0x0000000073FB0000-0x000000007469E000-memory.dmp

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memory/2080-3-0x00000000053B0000-0x00000000053B1000-memory.dmp

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memory/2080-1-0x00000000004F0000-0x00000000004F1000-memory.dmp

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memory/3512-7-0x0000000073FB0000-0x000000007469E000-memory.dmp

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memory/3512-21-0x0000000005C00000-0x0000000005C05000-memory.dmp

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memory/3512-22-0x0000000005C10000-0x0000000005C29000-memory.dmp

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memory/3512-23-0x0000000006870000-0x0000000006873000-memory.dmp

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memory/3512-13-0x00000000056E0000-0x00000000056E1000-memory.dmp

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memory/3512-11-0x0000000005730000-0x0000000005731000-memory.dmp

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memory/3512-5-0x0000000000400000-0x0000000000438000-memory.dmp

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