nanocore | d2145a20afc05f9c28a63ac6e13909d1b3bc1bc7862d22a3475b8bd5510ca4f4

General

Target

PURCHASE ORDER.exe
Size

506KB
MD5

37ca2dcb84070656527a45c9b3ff8589
SHA1

142947a1c23026c9dd723979bf8fd16d4f0e5f8b
SHA256

f0bdd59b67a442209f68d9adf125fbadd7e99324ca917822d5f5f29e976b5b26
SHA512

cf5e369bc7944bd56007816f1eadb0c2452f63d3212fb73ba806c54dd24cda259cdd1415036642fd8fd8c248e13054d9e07fbb5bdfd51f712a7e72a7294e14ab

Score

10^/10

nanocore keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

apaduckdns.duckdns.org:54984

Mutex

c854b3d3-3dd5-404d-a1d0-365efd3c6134

Attributes

activate_away_mode
true
backup_connection_host
apaduckdns.duckdns.org
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-03-14T03:04:44.373669836Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
54984
default_group
ZipoHouse
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
c854b3d3-3dd5-404d-a1d0-365efd3c6134
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
apaduckdns.duckdns.org
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

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WPA Subsystem = "C:\\Program Files (x86)\\WPA Subsystem\\wpass.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PURCHASE ORDER.exe

description pid process target process

PID 868 set thread context of 1984 868 PURCHASE ORDER.exe RegSvcs.exe

description	pid	process	target process
PID 868 set thread context of 1984	868	PURCHASE ORDER.exe	RegSvcs.exe

Drops file in Program Files directory 2 IoCs

Processes:

RegSvcs.exe

description	ioc	process
File created	C:\Program Files (x86)\WPA Subsystem\wpass.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\WPA Subsystem\wpass.exe	RegSvcs.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1720 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

PURCHASE ORDER.exeRegSvcs.exe

pid process

868 PURCHASE ORDER.exe
1984 RegSvcs.exe
1984 RegSvcs.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

1984 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PURCHASE ORDER.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 868 PURCHASE ORDER.exe
Token: SeDebugPrivilege 1984 RegSvcs.exe

pid	process
1720	schtasks.exe

pid	process
868	PURCHASE ORDER.exe
1984	RegSvcs.exe
1984	RegSvcs.exe

pid	process
1984	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	868	PURCHASE ORDER.exe
Token: SeDebugPrivilege	1984	RegSvcs.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

PURCHASE ORDER.exe

description	pid	process	target process
PID 868 wrote to memory of 1720	868	PURCHASE ORDER.exe	schtasks.exe
PID 868 wrote to memory of 1720	868	PURCHASE ORDER.exe	schtasks.exe
PID 868 wrote to memory of 1720	868	PURCHASE ORDER.exe	schtasks.exe
PID 868 wrote to memory of 1720	868	PURCHASE ORDER.exe	schtasks.exe
PID 868 wrote to memory of 1984	868	PURCHASE ORDER.exe	RegSvcs.exe
PID 868 wrote to memory of 1984	868	PURCHASE ORDER.exe	RegSvcs.exe
PID 868 wrote to memory of 1984	868	PURCHASE ORDER.exe	RegSvcs.exe
PID 868 wrote to memory of 1984	868	PURCHASE ORDER.exe	RegSvcs.exe
PID 868 wrote to memory of 1984	868	PURCHASE ORDER.exe	RegSvcs.exe
PID 868 wrote to memory of 1984	868	PURCHASE ORDER.exe	RegSvcs.exe
PID 868 wrote to memory of 1984	868	PURCHASE ORDER.exe	RegSvcs.exe
PID 868 wrote to memory of 1984	868	PURCHASE ORDER.exe	RegSvcs.exe
PID 868 wrote to memory of 1984	868	PURCHASE ORDER.exe	RegSvcs.exe
PID 868 wrote to memory of 1984	868	PURCHASE ORDER.exe	RegSvcs.exe
PID 868 wrote to memory of 1984	868	PURCHASE ORDER.exe	RegSvcs.exe
PID 868 wrote to memory of 1984	868	PURCHASE ORDER.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe
"C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:868

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LvkhcBfBS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2FF7.tmp"
2⤵
- Creates scheduled task(s)
PID:1720

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
"{path}"
2⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1984

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp2FF7.tmp
Filesize
1KB

MD5
b129f2a3ebbe527d98028fde735c2eaf

SHA1
11a1094400fd493b719bdf9904d4f446a5cd2418

SHA256
e4e25f49590bbb09c30b5f49f61c2c581c7650c2e7d78df42d05044aff9f86ac

SHA512
217677a764b3eb8836d4ee86920dce8a0b8d9957d733a47b5f782c68a5491ff8d0df057f74764d4fa1fd20ea993eb047ac6986529db6330690707ac90a173fff

Download Submit
memory/868-54-0x0000000075C51000-0x0000000075C53000-memory.dmp

Filesize
8KB

Download
memory/868-55-0x0000000074F10000-0x00000000754BB000-memory.dmp

Filesize
5.7MB

Download
memory/1720-56-0x0000000000000000-mapping.dmp

Download
memory/1984-61-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1984-59-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1984-58-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1984-62-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1984-64-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1984-65-0x000000000041E792-mapping.dmp

Download
memory/1984-67-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1984-69-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1984-71-0x0000000074F10000-0x00000000754BB000-memory.dmp

Filesize
5.7MB

Download
memory/1984-72-0x0000000000BE6000-0x0000000000BF7000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads