nanocore | f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9

General

Target

f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe
Size

63KB
MD5

d2eaaa542a2968b2a9ebe288166779e8
SHA1

37bcd26dcd35f9dd16bd8aff7cad425f3898309c
SHA256

f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9
SHA512

059a1aed6e654fb4465e11f7a0687ac4e6ec0bc17f4ca2726f1bf4f069c1c757b3577d0dd3e5f5b31cfd9e7c0750ffd2880da31053f5ad8f258227029df3e89a

Score

10^/10

nanocore evasion keylogger persistence spyware stealer suricata trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

cloudhost.myfirewall.org:5654

Mutex

9845a945-f2ff-4e93-b909-aece664ddb48

Attributes

activate_away_mode
true
backup_connection_host
cloudhost.myfirewall.org
backup_dns_server
cloudhost.myfirewall.org
buffer_size
65535
build_time
2021-06-20T04:14:27.248073436Z
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
5654
default_group
J
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
9845a945-f2ff-4e93-b909-aece664ddb48
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
cloudhost.myfirewall.org
primary_dns_server
cloudhost.myfirewall.org
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
suricata: ET MALWARE Possible NanoCore C2 60B
suricata: ET MALWARE Possible NanoCore C2 60B
suricata

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SMTP Manager = "C:\\Program Files (x86)\\SMTP Manager\\smtpmgr.exe"	f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe

description	pid	process	target process
PID 1524 set thread context of 2996	1524	f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe	f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe

Drops file in Program Files directory 2 IoCs

Processes:

f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe

description	ioc	process
File created	C:\Program Files (x86)\SMTP Manager\smtpmgr.exe	f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe
File opened for modification	C:\Program Files (x86)\SMTP Manager\smtpmgr.exe	f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.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

Processes:

schtasks.exeschtasks.exe

pid process

488 schtasks.exe
1784 schtasks.exe

pid	process
488	schtasks.exe
1784	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exef605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe

pid	process
1524	f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe
1524	f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe
2996	f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe
2996	f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe
2996	f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe
2996	f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe
2996	f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe
2996	f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe

pid process

2996 f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe

pid	process
2996	f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exef605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe

description	pid	process
Token: SeDebugPrivilege	1524	f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe
Token: SeDebugPrivilege	2996	f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exef605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe

description	pid	process	target process
PID 1524 wrote to memory of 2996	1524	f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe	f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe
PID 1524 wrote to memory of 2996	1524	f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe	f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe
PID 1524 wrote to memory of 2996	1524	f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe	f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe
PID 1524 wrote to memory of 2996	1524	f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe	f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe
PID 1524 wrote to memory of 2996	1524	f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe	f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe
PID 1524 wrote to memory of 2996	1524	f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe	f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe
PID 1524 wrote to memory of 2996	1524	f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe	f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe
PID 1524 wrote to memory of 2996	1524	f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe	f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe
PID 2996 wrote to memory of 488	2996	f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe	schtasks.exe
PID 2996 wrote to memory of 488	2996	f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe	schtasks.exe
PID 2996 wrote to memory of 488	2996	f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe	schtasks.exe
PID 2996 wrote to memory of 1784	2996	f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe	schtasks.exe
PID 2996 wrote to memory of 1784	2996	f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe	schtasks.exe
PID 2996 wrote to memory of 1784	2996	f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe
"C:\Users\Admin\AppData\Local\Temp\f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1524

C:\Users\Admin\AppData\Local\Temp\f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe
C:\Users\Admin\AppData\Local\Temp\f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.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:2996

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "SMTP Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp26DD.tmp"
3⤵
- Creates scheduled task(s)
PID:488

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "SMTP Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp27C8.tmp"
3⤵
- Creates scheduled task(s)
PID:1784

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\f605ba8fe94eb367829b61cd05eb5b07f4702b55f2a0faf51589cb46dd6f89a9.exe.log
MD5
808e884c00533a9eb0e13e64960d9c3a

SHA1
279d05181fc6179a12df1a669ff5d8b64c1380ae

SHA256
2f6a0aab99b1c228a6642f44f8992646ce84c5a2b3b9941b6cf1f2badf67bdd6

SHA512
9489bdb2ffdfeef3c52edcfe9b34c6688eba53eb86075e0564df1cd474723c86b5b5aedc12df1ff5fc12cf97bd1e3cf9701ff61dc4ce90155d70e9ccfd0fc299

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp26DD.tmp
MD5
64c7914a6c1c8fe349ad3aab88610ff8

SHA1
c878f27990bb4372c930ce11ee69c20fa8649173

SHA256
b842c0c0afceace6025142608d7bb78974da1feee4b4d8d1e0e373ff7ba434b5

SHA512
06686d431ad93c4885789947f03c6e5f645b0ca8bb71103616a08c393bf2ba4272ca711368497effd269501009d7d17c8df0825906673bb4d88ed2ca29105149

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp27C8.tmp
MD5
b3b017f9df206021717a11f11d895402

SHA1
e4ea12823af6550ee634536eec1eb14490580a3b

SHA256
654dfce2c28024364e679e1b958f3fb81fc6d29685d534d905d1c83a84351024

SHA512
95666cb81aa1fd1ade04a32f63381ce8bff274d7d300c0b59cbb10a294c4d1eebaa3000365a2000b38793de030044995cf23e623c5e3648d9b00501f97ff9343

Download Submit
memory/488-130-0x0000000000000000-mapping.dmp

Download
memory/1524-117-0x0000000001210000-0x0000000001211000-memory.dmp

Filesize
4KB

Download
memory/1524-118-0x0000000006190000-0x00000000061EB000-memory.dmp

Filesize
364KB

Download
memory/1524-119-0x0000000006360000-0x0000000006393000-memory.dmp

Filesize
204KB

Download
memory/1524-115-0x0000000000B60000-0x0000000000B61000-memory.dmp

Filesize
4KB

Download
memory/1784-132-0x0000000000000000-mapping.dmp

Download
memory/2996-134-0x00000000051D0000-0x00000000051D5000-memory.dmp

Filesize
20KB

Download
memory/2996-138-0x0000000006040000-0x0000000006055000-memory.dmp

Filesize
84KB

Download
memory/2996-129-0x0000000004EB0000-0x00000000053AE000-memory.dmp

Filesize
5.0MB

Download
memory/2996-127-0x0000000004FF0000-0x0000000004FF1000-memory.dmp

Filesize
4KB

Download
memory/2996-126-0x0000000004F50000-0x0000000004F51000-memory.dmp

Filesize
4KB

Download
memory/2996-125-0x00000000053B0000-0x00000000053B1000-memory.dmp

Filesize
4KB

Download
memory/2996-121-0x000000000041E792-mapping.dmp

Download
memory/2996-120-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2996-135-0x0000000005380000-0x0000000005399000-memory.dmp

Filesize
100KB

Download
memory/2996-136-0x0000000006020000-0x0000000006023000-memory.dmp

Filesize
12KB

Download
memory/2996-137-0x0000000006030000-0x000000000603D000-memory.dmp

Filesize
52KB

Download
memory/2996-128-0x0000000004E80000-0x0000000004E81000-memory.dmp

Filesize
4KB

Download
memory/2996-139-0x00000000067D0000-0x00000000067D6000-memory.dmp

Filesize
24KB

Download
memory/2996-140-0x00000000067E0000-0x00000000067EC000-memory.dmp

Filesize
48KB

Download
memory/2996-141-0x00000000067F0000-0x00000000067F7000-memory.dmp

Filesize
28KB

Download
memory/2996-142-0x0000000006800000-0x0000000006806000-memory.dmp

Filesize
24KB

Download
memory/2996-143-0x0000000006810000-0x000000000681D000-memory.dmp

Filesize
52KB

Download
memory/2996-144-0x0000000006820000-0x0000000006829000-memory.dmp

Filesize
36KB

Download
memory/2996-145-0x0000000006830000-0x000000000683F000-memory.dmp

Filesize
60KB

Download
memory/2996-146-0x0000000006850000-0x000000000685A000-memory.dmp

Filesize
40KB

Download
memory/2996-147-0x0000000006860000-0x0000000006889000-memory.dmp

Filesize
164KB

Download
memory/2996-148-0x00000000068A0000-0x00000000068AF000-memory.dmp

Filesize
60KB

Download
memory/2996-149-0x0000000006A70000-0x0000000006A71000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads