nanocore | d867f1bbf4a3d8e8de9ce9c75d7d1690a9ab15ba919ed0d01f6bc66683e074c4

Analysis

max time kernel
87s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
07/09/2022, 21:47

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General

Target

SecuriteInfo.com.Win32.CrypterX-gen.exe
Size

564KB
MD5

d2511f548930bc0a616afb4bf2f5eb59
SHA1

dfd9d5479816b67c213fa35f87280c192d1a20a1
SHA256

d867f1bbf4a3d8e8de9ce9c75d7d1690a9ab15ba919ed0d01f6bc66683e074c4
SHA512

e9922aefdd68bfbb1773ccf75f2412af987e67570d876bfd99aee5fd46c616a430fe8ec9fc1917a797ca3d433d94cc81e87ca5fe8eea38638361b4bbacd6651e
SSDEEP

12288:g8l02b1zzUFFiRUUWgSXGjITqZfs+Bog:blfzzUFAKDlW8Tqf

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

brewsterchristophe.ddns.net:5899

194,147,5,75:5899

Mutex

b8aebc29-8c64-444f-99e6-dc4122e9bbfc

Attributes

activate_away_mode
true
backup_connection_host
194,147,5,75
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-04-29T03:26:40.572298236Z
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
5899
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
b8aebc29-8c64-444f-99e6-dc4122e9bbfc
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
brewsterchristophe.ddns.net
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

Executes dropped EXE 1 IoCs

pid	Process
4860	Bin.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Bin = "C:\\Users\\Admin\\Desktop\\Bin.exe"	reg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DDP Host = "C:\\Program Files (x86)\\DDP Host\\ddphost.exe"	RegAsm.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	RegAsm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4860 set thread context of 1448	4860	Bin.exe	109

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\DDP Host\ddphost.exe	RegAsm.exe
File created	C:\Program Files (x86)\DDP Host\ddphost.exe	RegAsm.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
3952	schtasks.exe
4540	schtasks.exe

Runs ping.exe 1 TTPs 3 IoCs

Remote System Discovery

T1018

pid	Process
1488	PING.EXE
3528	PING.EXE
3676	PING.EXE

Suspicious behavior: EnumeratesProcesses 33 IoCs

pid	Process
1572	SecuriteInfo.com.Win32.CrypterX-gen.exe
1572	SecuriteInfo.com.Win32.CrypterX-gen.exe
1572	SecuriteInfo.com.Win32.CrypterX-gen.exe
1572	SecuriteInfo.com.Win32.CrypterX-gen.exe
1572	SecuriteInfo.com.Win32.CrypterX-gen.exe
1572	SecuriteInfo.com.Win32.CrypterX-gen.exe
1572	SecuriteInfo.com.Win32.CrypterX-gen.exe
1572	SecuriteInfo.com.Win32.CrypterX-gen.exe
1572	SecuriteInfo.com.Win32.CrypterX-gen.exe
1572	SecuriteInfo.com.Win32.CrypterX-gen.exe
1572	SecuriteInfo.com.Win32.CrypterX-gen.exe
1572	SecuriteInfo.com.Win32.CrypterX-gen.exe
1572	SecuriteInfo.com.Win32.CrypterX-gen.exe
1572	SecuriteInfo.com.Win32.CrypterX-gen.exe
1572	SecuriteInfo.com.Win32.CrypterX-gen.exe
1572	SecuriteInfo.com.Win32.CrypterX-gen.exe
1572	SecuriteInfo.com.Win32.CrypterX-gen.exe
1572	SecuriteInfo.com.Win32.CrypterX-gen.exe
1572	SecuriteInfo.com.Win32.CrypterX-gen.exe
1572	SecuriteInfo.com.Win32.CrypterX-gen.exe
1572	SecuriteInfo.com.Win32.CrypterX-gen.exe
1572	SecuriteInfo.com.Win32.CrypterX-gen.exe
1572	SecuriteInfo.com.Win32.CrypterX-gen.exe
1572	SecuriteInfo.com.Win32.CrypterX-gen.exe
1572	SecuriteInfo.com.Win32.CrypterX-gen.exe
4860	Bin.exe
4860	Bin.exe
1448	RegAsm.exe
1448	RegAsm.exe
1448	RegAsm.exe
1448	RegAsm.exe
1448	RegAsm.exe
1448	RegAsm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1448	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1572	SecuriteInfo.com.Win32.CrypterX-gen.exe
Token: SeDebugPrivilege	4860	Bin.exe
Token: SeDebugPrivilege	1448	RegAsm.exe

Suspicious use of WriteProcessMemory 35 IoCs

description	pid	Process	procid_target
PID 1572 wrote to memory of 112	1572	SecuriteInfo.com.Win32.CrypterX-gen.exe	87
PID 1572 wrote to memory of 112	1572	SecuriteInfo.com.Win32.CrypterX-gen.exe	87
PID 1572 wrote to memory of 112	1572	SecuriteInfo.com.Win32.CrypterX-gen.exe	87
PID 112 wrote to memory of 1488	112	cmd.exe	89
PID 112 wrote to memory of 1488	112	cmd.exe	89
PID 112 wrote to memory of 1488	112	cmd.exe	89
PID 1572 wrote to memory of 4764	1572	SecuriteInfo.com.Win32.CrypterX-gen.exe	92
PID 1572 wrote to memory of 4764	1572	SecuriteInfo.com.Win32.CrypterX-gen.exe	92
PID 1572 wrote to memory of 4764	1572	SecuriteInfo.com.Win32.CrypterX-gen.exe	92
PID 4764 wrote to memory of 3528	4764	cmd.exe	94
PID 4764 wrote to memory of 3528	4764	cmd.exe	94
PID 4764 wrote to memory of 3528	4764	cmd.exe	94
PID 112 wrote to memory of 1520	112	cmd.exe	97
PID 112 wrote to memory of 1520	112	cmd.exe	97
PID 112 wrote to memory of 1520	112	cmd.exe	97
PID 4764 wrote to memory of 3676	4764	cmd.exe	98
PID 4764 wrote to memory of 3676	4764	cmd.exe	98
PID 4764 wrote to memory of 3676	4764	cmd.exe	98
PID 4764 wrote to memory of 4860	4764	cmd.exe	108
PID 4764 wrote to memory of 4860	4764	cmd.exe	108
PID 4764 wrote to memory of 4860	4764	cmd.exe	108
PID 4860 wrote to memory of 1448	4860	Bin.exe	109
PID 4860 wrote to memory of 1448	4860	Bin.exe	109
PID 4860 wrote to memory of 1448	4860	Bin.exe	109
PID 4860 wrote to memory of 1448	4860	Bin.exe	109
PID 4860 wrote to memory of 1448	4860	Bin.exe	109
PID 4860 wrote to memory of 1448	4860	Bin.exe	109
PID 4860 wrote to memory of 1448	4860	Bin.exe	109
PID 4860 wrote to memory of 1448	4860	Bin.exe	109
PID 1448 wrote to memory of 3952	1448	RegAsm.exe	111
PID 1448 wrote to memory of 3952	1448	RegAsm.exe	111
PID 1448 wrote to memory of 3952	1448	RegAsm.exe	111
PID 1448 wrote to memory of 4540	1448	RegAsm.exe	113
PID 1448 wrote to memory of 4540	1448	RegAsm.exe	113
PID 1448 wrote to memory of 4540	1448	RegAsm.exe	113

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1572
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c ping 127.0.0.1 -n 13 > nul && REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "Bin" /t REG_SZ /d "C:\Users\Admin\Desktop\Bin.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:112
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 13
    3⤵
    - Runs ping.exe
    PID:1488
- - C:\Windows\SysWOW64\reg.exe
    REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "Bin" /t REG_SZ /d "C:\Users\Admin\Desktop\Bin.exe"
    3⤵
    - Adds Run key to start application
    PID:1520
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c ping 127.0.0.1 -n 18 > nul && copy "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.exe" "C:\Users\Admin\Desktop\Bin.exe" && ping 127.0.0.1 -n 18 > nul && "C:\Users\Admin\Desktop\Bin.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4764
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 18
    3⤵
    - Runs ping.exe
    PID:3528
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 18
    3⤵
    - Runs ping.exe
    PID:3676
- - C:\Users\Admin\Desktop\Bin.exe
    "C:\Users\Admin\Desktop\Bin.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4860
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      4⤵
      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:1448
    - - C:\Windows\SysWOW64\schtasks.exe
        
        "schtasks.exe" /create /f /tn "DDP Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmpD1C7.tmp"
        5⤵
        Creates scheduled task(s)
        
        PID:3952
    - - C:\Windows\SysWOW64\schtasks.exe
        
        "schtasks.exe" /create /f /tn "DDP Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpD2D2.tmp"
        5⤵
        Creates scheduled task(s)
        
        PID:4540

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

Remote System Discovery

T1018

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\tmpD1C7.tmp

Filesize
1KB

MD5
48ef7fa9033389ad7929d7a6b9d10298

SHA1
9db6cb7325c8bdf66a15f7b5f34703709a45aeb6

SHA256
0c1b5f67eeb276d1d4205b138ce32bc6149924e02281a2db8e4623a700e88f15

SHA512
ac8bd104ecbacc9bccce9e087f67e5b18072d59367ccd31d4e66132b6baaea520cba5b9b59464483d86abf74826b382c402f12e9a586c99bda8c78a0de33944e

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD2D2.tmp

Filesize
1KB

MD5
2271642ca970891700e3f48439739ed8

SHA1
cd472df2349f7db9e1e460d0ee28acd97b8a8793

SHA256
7aba66abbcb0b13455609174db23aed495a9adbef0e0acd28baa9c92445eda68

SHA512
4669a4ef8ec28cdb852ffc1401576b1bf9a9d837797d7d92bc88c18b3097404f36854e50167b309706fef400cabc43c876569ce2797ba85eb169a2783b8fe807

Download Submit
C:\Users\Admin\Desktop\Bin.exe

Filesize
564KB

MD5
d2511f548930bc0a616afb4bf2f5eb59

SHA1
dfd9d5479816b67c213fa35f87280c192d1a20a1

SHA256
d867f1bbf4a3d8e8de9ce9c75d7d1690a9ab15ba919ed0d01f6bc66683e074c4

SHA512
e9922aefdd68bfbb1773ccf75f2412af987e67570d876bfd99aee5fd46c616a430fe8ec9fc1917a797ca3d433d94cc81e87ca5fe8eea38638361b4bbacd6651e

Download Submit
C:\Users\Admin\Desktop\Bin.exe

Filesize
564KB

MD5
d2511f548930bc0a616afb4bf2f5eb59

SHA1
dfd9d5479816b67c213fa35f87280c192d1a20a1

SHA256
d867f1bbf4a3d8e8de9ce9c75d7d1690a9ab15ba919ed0d01f6bc66683e074c4

SHA512
e9922aefdd68bfbb1773ccf75f2412af987e67570d876bfd99aee5fd46c616a430fe8ec9fc1917a797ca3d433d94cc81e87ca5fe8eea38638361b4bbacd6651e

Download Submit
memory/1448-151-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1448-156-0x0000000006B30000-0x0000000006B96000-memory.dmp

Filesize
408KB

Download
memory/1572-136-0x0000000002950000-0x00000000029EC000-memory.dmp

Filesize
624KB

Download
memory/1572-139-0x0000000005BD0000-0x0000000005BDA000-memory.dmp

Filesize
40KB

Download
memory/1572-138-0x0000000005BE0000-0x0000000005C72000-memory.dmp

Filesize
584KB

Download
memory/1572-137-0x0000000005FB0000-0x0000000006554000-memory.dmp

Filesize
5.6MB

Download
memory/1572-135-0x0000000000EB0000-0x0000000000F42000-memory.dmp

Filesize
584KB

Download
memory/4860-149-0x0000000000A20000-0x0000000000AB2000-memory.dmp

Filesize
584KB

Download