nanocore | c352aba350f386c52a00edf80178125abc2364a62618e7dff34860e4974ecfdb

General

Target

PROFORMA N. 377_REV.1.exe
Size

522KB
MD5

076c6ad1f34f34feb5879ad2fe35b81e
SHA1

edd654e9790924d58939b2a019b9562a2e8f5488
SHA256

22b0053f4a9defd52cce199ff51c64333e8acb71903b84b51b963b86795d0129
SHA512

ef17ee226af3ecccb3b493b76c79c273fdbb3e06126802c4aec59518a3b407def6843425a3f94ae15882a16187cb0b9685a8b85e56a8cf67d29372a05b5eaa31

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

som2020.zapto.org:1165

185.140.53.6:1165

Mutex

7222ae52-d704-47b4-8f02-7756162c51c1

Attributes

activate_away_mode
true
backup_connection_host
185.140.53.6
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-01-22T11:34:05.203302536Z
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
1165
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
7222ae52-d704-47b4-8f02-7756162c51c1
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
som2020.zapto.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:

PROFORMA N. 377_REV.1.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"	PROFORMA N. 377_REV.1.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

PROFORMA N. 377_REV.1.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA PROFORMA N. 377_REV.1.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

PROFORMA N. 377_REV.1.exe

description pid process target process

PID 1468 set thread context of 1280 1468 PROFORMA N. 377_REV.1.exe PROFORMA N. 377_REV.1.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	PROFORMA N. 377_REV.1.exe

description	pid	process	target process
PID 1468 set thread context of 1280	1468	PROFORMA N. 377_REV.1.exe	PROFORMA N. 377_REV.1.exe

Drops file in Program Files directory 2 IoCs

Processes:

PROFORMA N. 377_REV.1.exe

description	ioc	process
File created	C:\Program Files (x86)\WPA Subsystem\wpass.exe	PROFORMA N. 377_REV.1.exe
File opened for modification	C:\Program Files (x86)\WPA Subsystem\wpass.exe	PROFORMA N. 377_REV.1.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 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid process

1524 schtasks.exe
1436 schtasks.exe
1756 schtasks.exe

pid	process
1524	schtasks.exe
1436	schtasks.exe
1756	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

PROFORMA N. 377_REV.1.exePROFORMA N. 377_REV.1.exe

pid	process
1468	PROFORMA N. 377_REV.1.exe
1468	PROFORMA N. 377_REV.1.exe
1468	PROFORMA N. 377_REV.1.exe
1280	PROFORMA N. 377_REV.1.exe
1280	PROFORMA N. 377_REV.1.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

PROFORMA N. 377_REV.1.exe

pid process

1280 PROFORMA N. 377_REV.1.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PROFORMA N. 377_REV.1.exePROFORMA N. 377_REV.1.exe

description pid process

Token: SeDebugPrivilege 1468 PROFORMA N. 377_REV.1.exe
Token: SeDebugPrivilege 1280 PROFORMA N. 377_REV.1.exe

pid	process
1280	PROFORMA N. 377_REV.1.exe

description	pid	process
Token: SeDebugPrivilege	1468	PROFORMA N. 377_REV.1.exe
Token: SeDebugPrivilege	1280	PROFORMA N. 377_REV.1.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

PROFORMA N. 377_REV.1.exePROFORMA N. 377_REV.1.exe

description	pid	process	target process
PID 1468 wrote to memory of 1524	1468	PROFORMA N. 377_REV.1.exe	schtasks.exe
PID 1468 wrote to memory of 1524	1468	PROFORMA N. 377_REV.1.exe	schtasks.exe
PID 1468 wrote to memory of 1524	1468	PROFORMA N. 377_REV.1.exe	schtasks.exe
PID 1468 wrote to memory of 1524	1468	PROFORMA N. 377_REV.1.exe	schtasks.exe
PID 1468 wrote to memory of 1280	1468	PROFORMA N. 377_REV.1.exe	PROFORMA N. 377_REV.1.exe
PID 1468 wrote to memory of 1280	1468	PROFORMA N. 377_REV.1.exe	PROFORMA N. 377_REV.1.exe
PID 1468 wrote to memory of 1280	1468	PROFORMA N. 377_REV.1.exe	PROFORMA N. 377_REV.1.exe
PID 1468 wrote to memory of 1280	1468	PROFORMA N. 377_REV.1.exe	PROFORMA N. 377_REV.1.exe
PID 1468 wrote to memory of 1280	1468	PROFORMA N. 377_REV.1.exe	PROFORMA N. 377_REV.1.exe
PID 1468 wrote to memory of 1280	1468	PROFORMA N. 377_REV.1.exe	PROFORMA N. 377_REV.1.exe
PID 1468 wrote to memory of 1280	1468	PROFORMA N. 377_REV.1.exe	PROFORMA N. 377_REV.1.exe
PID 1468 wrote to memory of 1280	1468	PROFORMA N. 377_REV.1.exe	PROFORMA N. 377_REV.1.exe
PID 1468 wrote to memory of 1280	1468	PROFORMA N. 377_REV.1.exe	PROFORMA N. 377_REV.1.exe
PID 1280 wrote to memory of 1436	1280	PROFORMA N. 377_REV.1.exe	schtasks.exe
PID 1280 wrote to memory of 1436	1280	PROFORMA N. 377_REV.1.exe	schtasks.exe
PID 1280 wrote to memory of 1436	1280	PROFORMA N. 377_REV.1.exe	schtasks.exe
PID 1280 wrote to memory of 1436	1280	PROFORMA N. 377_REV.1.exe	schtasks.exe
PID 1280 wrote to memory of 1756	1280	PROFORMA N. 377_REV.1.exe	schtasks.exe
PID 1280 wrote to memory of 1756	1280	PROFORMA N. 377_REV.1.exe	schtasks.exe
PID 1280 wrote to memory of 1756	1280	PROFORMA N. 377_REV.1.exe	schtasks.exe
PID 1280 wrote to memory of 1756	1280	PROFORMA N. 377_REV.1.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\PROFORMA N. 377_REV.1.exe
"C:\Users\Admin\AppData\Local\Temp\PROFORMA N. 377_REV.1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1468

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VBYpOsv" /XML "C:\Users\Admin\AppData\Local\Temp\tmp450D.tmp"
2⤵
- Creates scheduled task(s)
PID:1524

C:\Users\Admin\AppData\Local\Temp\PROFORMA N. 377_REV.1.exe
"{path}"
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:1280

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "WPA Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpD2DA.tmp"
3⤵
- Creates scheduled task(s)
PID:1436

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "WPA Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpD895.tmp"
3⤵
- Creates scheduled task(s)
PID:1756

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

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp450D.tmp
Filesize
1KB

MD5
6405d02dd199b31d40a90a3d9567491d

SHA1
df03e004dea4d670d0a6f034a2a1cb6462ed0af8

SHA256
639743d9a5b08c6901fbc9c454aec9a2f12914dd3ea3255ace43a5946bd8fb52

SHA512
98e64102ed9852be3b1661ccef0e4c0fa5117ea71eb6ef1130a6b08582a46ca8e1799ab57866c3f704296f998269a7fa756e097997a3689aa1d35de73021fa03

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD2DA.tmp
Filesize
1KB

MD5
68bd55eb572f25b8aebfa569c39a8644

SHA1
b5d067ebb9c3656af732a44db7693dee311438f1

SHA256
e1369468481de06ae968cb181c7cf06edee5c3cc2a4434bb3cfd6bb50c9c9056

SHA512
b6b3b0dfc1ec4cfc116c67274f51f1472f8a94915b517ec96d97e0117d39592eac5bd2a862c6d5c5d05e063acf8a95c0f2124a08a675d4d32e6776b7758bd586

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD895.tmp
Filesize
1KB

MD5
4365cd1ae65923a319ef2683a45891fe

SHA1
85dde233112660e31c53884aedfbad52e4547e09

SHA256
84b6ce4ba26fa6fb57fa70b9ad191f7c42c71e259897955b5d514385bcd91b58

SHA512
d1bd24f504c5c2ecaa3ae98268ccc2e400ea3e16980c6caf394eadf7738225e4d5578fbe62bbe2de3fe0cb56a0d76bb3fc84cef3b9cd2f3d8be6d0becefdc035

Download Submit
memory/1280-64-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1280-67-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1280-59-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1280-61-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1280-62-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1280-73-0x0000000074A50000-0x0000000074FFB000-memory.dmp

Filesize
5.7MB

Download
memory/1280-65-0x000000000041E792-mapping.dmp

Download
memory/1280-58-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1280-69-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1436-71-0x0000000000000000-mapping.dmp

Download
memory/1468-54-0x0000000076721000-0x0000000076723000-memory.dmp

Filesize
8KB

Download
memory/1468-55-0x0000000074A50000-0x0000000074FFB000-memory.dmp

Filesize
5.7MB

Download
memory/1524-56-0x0000000000000000-mapping.dmp

Download
memory/1756-74-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads