nanocore | 70a93613417666b6510d74c43274e63eaf29fa1e382abf8f21f4b011fbb07440

General

Target

Shipment receipt.exe
Size

231KB
MD5

8af8789eac67de3b398fd91caad301c7
SHA1

46a834f5f2a07eefec376232b8785187c46bab5d
SHA256

0439c7d1f0b9dd75617a6cd78c086139feccd6a2eb91d43e3d09e6194f14bebd
SHA512

831f6d22a66a272cbe603d638a9e02685b587ce97ef7730f930c72a70f68a285afa005d090d950797bcb0c4fbb45d6a6f5401d29f7fd2037670086f656ffe7da
SSDEEP

3072:NW3q9x4CuQqhAp05FIGRnNadfS5AmqKnoeN:NmqvyhAp05FnNKmqKoe

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

ratagain.gleeze.com:5050

ratagainbk.gleeze.com:5050

Mutex

facea582-6bb8-4111-bf8c-c4bbbdd42ea8

Attributes

activate_away_mode
true
backup_connection_host
ratagainbk.gleeze.com
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-01-24T09:08:07.151828536Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
5050
default_group
April
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
facea582-6bb8-4111-bf8c-c4bbbdd42ea8
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
ratagain.gleeze.com
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
true
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

Processes:

Shipment receipt.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\Zxaxoqehw = "\"C:\\Users\\Admin\\AppData\\Roaming\\Nxbjycx\\Zxaxoqehw.exe\""	Shipment receipt.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

RegAsm.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA RegAsm.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

Shipment receipt.exe

description pid process target process

PID 1884 set thread context of 1028 1884 Shipment receipt.exe RegAsm.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1920 timeout.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	RegAsm.exe

description	pid	process	target process
PID 1884 set thread context of 1028	1884	Shipment receipt.exe	RegAsm.exe

pid	process
1920	timeout.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

Shipment receipt.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	Shipment receipt.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	Shipment receipt.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

powershell.exeShipment receipt.exeRegAsm.exe

pid process

1716 powershell.exe
1884 Shipment receipt.exe
1884 Shipment receipt.exe
1884 Shipment receipt.exe
1028 RegAsm.exe
1028 RegAsm.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegAsm.exe

pid process

1028 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Shipment receipt.exepowershell.exeRegAsm.exe

description pid process

Token: SeDebugPrivilege 1884 Shipment receipt.exe
Token: SeDebugPrivilege 1716 powershell.exe
Token: SeDebugPrivilege 1028 RegAsm.exe

pid	process
1716	powershell.exe
1884	Shipment receipt.exe
1884	Shipment receipt.exe
1884	Shipment receipt.exe
1028	RegAsm.exe
1028	RegAsm.exe

pid	process
1028	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	1884	Shipment receipt.exe
Token: SeDebugPrivilege	1716	powershell.exe
Token: SeDebugPrivilege	1028	RegAsm.exe

Suspicious use of WriteProcessMemory 31 IoCs

Processes:

Shipment receipt.execmd.exe

description	pid	process	target process
PID 1884 wrote to memory of 1972	1884	Shipment receipt.exe	cmd.exe
PID 1884 wrote to memory of 1972	1884	Shipment receipt.exe	cmd.exe
PID 1884 wrote to memory of 1972	1884	Shipment receipt.exe	cmd.exe
PID 1884 wrote to memory of 1972	1884	Shipment receipt.exe	cmd.exe
PID 1972 wrote to memory of 1920	1972	cmd.exe	timeout.exe
PID 1972 wrote to memory of 1920	1972	cmd.exe	timeout.exe
PID 1972 wrote to memory of 1920	1972	cmd.exe	timeout.exe
PID 1972 wrote to memory of 1920	1972	cmd.exe	timeout.exe
PID 1884 wrote to memory of 1716	1884	Shipment receipt.exe	powershell.exe
PID 1884 wrote to memory of 1716	1884	Shipment receipt.exe	powershell.exe
PID 1884 wrote to memory of 1716	1884	Shipment receipt.exe	powershell.exe
PID 1884 wrote to memory of 1716	1884	Shipment receipt.exe	powershell.exe
PID 1884 wrote to memory of 752	1884	Shipment receipt.exe	RegAsm.exe
PID 1884 wrote to memory of 752	1884	Shipment receipt.exe	RegAsm.exe
PID 1884 wrote to memory of 752	1884	Shipment receipt.exe	RegAsm.exe
PID 1884 wrote to memory of 752	1884	Shipment receipt.exe	RegAsm.exe
PID 1884 wrote to memory of 752	1884	Shipment receipt.exe	RegAsm.exe
PID 1884 wrote to memory of 752	1884	Shipment receipt.exe	RegAsm.exe
PID 1884 wrote to memory of 752	1884	Shipment receipt.exe	RegAsm.exe
PID 1884 wrote to memory of 1028	1884	Shipment receipt.exe	RegAsm.exe
PID 1884 wrote to memory of 1028	1884	Shipment receipt.exe	RegAsm.exe
PID 1884 wrote to memory of 1028	1884	Shipment receipt.exe	RegAsm.exe
PID 1884 wrote to memory of 1028	1884	Shipment receipt.exe	RegAsm.exe
PID 1884 wrote to memory of 1028	1884	Shipment receipt.exe	RegAsm.exe
PID 1884 wrote to memory of 1028	1884	Shipment receipt.exe	RegAsm.exe
PID 1884 wrote to memory of 1028	1884	Shipment receipt.exe	RegAsm.exe
PID 1884 wrote to memory of 1028	1884	Shipment receipt.exe	RegAsm.exe
PID 1884 wrote to memory of 1028	1884	Shipment receipt.exe	RegAsm.exe
PID 1884 wrote to memory of 1028	1884	Shipment receipt.exe	RegAsm.exe
PID 1884 wrote to memory of 1028	1884	Shipment receipt.exe	RegAsm.exe
PID 1884 wrote to memory of 1028	1884	Shipment receipt.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\Shipment receipt.exe
"C:\Users\Admin\AppData\Local\Temp\Shipment receipt.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1884

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout 1
2⤵
- Suspicious use of WriteProcessMemory
PID:1972

C:\Windows\SysWOW64\timeout.exe
timeout 1
3⤵
- Delays execution with timeout.exe
PID:1920

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwBlAHQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgACcAQwA6AFwAJwAsACcAQwA6AFwAVQBzAGUAcgBzAFwAQQBkAG0AaQBuAFwAQQBwAHAARABhAHQAYQBcAFIAbwBhAG0AaQBuAGcAXABOAHgAYgBqAHkAYwB4AFwAWgB4AGEAeABvAHEAZQBoAHcALgBlAHgAZQAnAA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1716

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
2⤵
PID:752

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1028

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Install Root Certificate

1

T1130

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1028-74-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/1028-70-0x000000000043E07E-mapping.dmp

Download
memory/1028-63-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/1028-78-0x00000000005C0000-0x00000000005CA000-memory.dmp

Filesize
40KB

Download
memory/1028-64-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/1028-76-0x0000000000510000-0x000000000051A000-memory.dmp

Filesize
40KB

Download
memory/1028-72-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/1028-66-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/1028-79-0x0000000004F45000-0x0000000004F56000-memory.dmp

Filesize
68KB

Download
memory/1028-77-0x0000000000670000-0x000000000068E000-memory.dmp

Filesize
120KB

Download
memory/1028-69-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/1028-68-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/1716-61-0x000000006EDD0000-0x000000006F37B000-memory.dmp

Filesize
5.7MB

Download
memory/1716-59-0x0000000000000000-mapping.dmp

Download
memory/1884-62-0x0000000008100000-0x000000000815E000-memory.dmp

Filesize
376KB

Download
memory/1884-55-0x0000000075571000-0x0000000075573000-memory.dmp

Filesize
8KB

Download
memory/1884-54-0x0000000000130000-0x0000000000170000-memory.dmp

Filesize
256KB

Download
memory/1884-56-0x00000000089C0000-0x0000000008B46000-memory.dmp

Filesize
1.5MB

Download
memory/1920-58-0x0000000000000000-mapping.dmp

Download
memory/1972-57-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads