nanocore | 4f0a3115465d03a83773bec157884cbbf36858924e68115302f540d0ad02ee53

General

Target

MDB.exe
Size

860KB
MD5

d84b1332e0fecd92b90b321f1f4a784a
SHA1

5b6c2a0251ad7a5bbbf51d0ff300f8c29969693a
SHA256

4f0a3115465d03a83773bec157884cbbf36858924e68115302f540d0ad02ee53
SHA512

ce0e1e14ca9e6664e3022e40e5f9cafaad7b8deda933223855f619b189121411132864bec7e1a80818d65f62d053ca2f627a8d474c25385aa0f400fc31298444
SSDEEP

12288:g91R6PxJfTADqjJ5n0U9C1DtGbQkc36b4Bao8pPTtcQMmWmeZA2:gefrjr0U85AbC3RGfcQnd

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

dera5nano.ddns.net:1010

107.182.129.248:1010

Mutex

5a26bcef-e67f-486a-8e48-1748cc7891a2

Attributes

activate_away_mode
true
backup_connection_host
107.182.129.248
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-06-06T12:07:01.612898436Z
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
1010
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
5a26bcef-e67f-486a-8e48-1748cc7891a2
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
dera5nano.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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

MDB.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\NTFS Monitor = "C:\\Program Files (x86)\\NTFS Monitor\\ntfsmon.exe"	MDB.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

MDB.exe

description ioc process

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

Processes:

MDB.exe

description pid process target process

PID 752 set thread context of 1996 752 MDB.exe MDB.exe

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

description	pid	process	target process
PID 752 set thread context of 1996	752	MDB.exe	MDB.exe

Drops file in Program Files directory 2 IoCs

Processes:

MDB.exe

description	ioc	process
File created	C:\Program Files (x86)\NTFS Monitor\ntfsmon.exe	MDB.exe
File opened for modification	C:\Program Files (x86)\NTFS Monitor\ntfsmon.exe	MDB.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

2000 schtasks.exe
1004 schtasks.exe
1712 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

MDB.exe

pid process

1996 MDB.exe
1996 MDB.exe
1996 MDB.exe
1996 MDB.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

MDB.exe

pid process

1996 MDB.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MDB.exe

description pid process

Token: SeDebugPrivilege 1996 MDB.exe

pid	process
2000	schtasks.exe
1004	schtasks.exe
1712	schtasks.exe

pid	process
1996	MDB.exe
1996	MDB.exe
1996	MDB.exe
1996	MDB.exe

pid	process
1996	MDB.exe

description	pid	process
Token: SeDebugPrivilege	1996	MDB.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

MDB.exeMDB.exe

description	pid	process	target process
PID 752 wrote to memory of 2000	752	MDB.exe	schtasks.exe
PID 752 wrote to memory of 2000	752	MDB.exe	schtasks.exe
PID 752 wrote to memory of 2000	752	MDB.exe	schtasks.exe
PID 752 wrote to memory of 2000	752	MDB.exe	schtasks.exe
PID 752 wrote to memory of 1996	752	MDB.exe	MDB.exe
PID 752 wrote to memory of 1996	752	MDB.exe	MDB.exe
PID 752 wrote to memory of 1996	752	MDB.exe	MDB.exe
PID 752 wrote to memory of 1996	752	MDB.exe	MDB.exe
PID 752 wrote to memory of 1996	752	MDB.exe	MDB.exe
PID 752 wrote to memory of 1996	752	MDB.exe	MDB.exe
PID 752 wrote to memory of 1996	752	MDB.exe	MDB.exe
PID 752 wrote to memory of 1996	752	MDB.exe	MDB.exe
PID 752 wrote to memory of 1996	752	MDB.exe	MDB.exe
PID 1996 wrote to memory of 1004	1996	MDB.exe	schtasks.exe
PID 1996 wrote to memory of 1004	1996	MDB.exe	schtasks.exe
PID 1996 wrote to memory of 1004	1996	MDB.exe	schtasks.exe
PID 1996 wrote to memory of 1004	1996	MDB.exe	schtasks.exe
PID 1996 wrote to memory of 1712	1996	MDB.exe	schtasks.exe
PID 1996 wrote to memory of 1712	1996	MDB.exe	schtasks.exe
PID 1996 wrote to memory of 1712	1996	MDB.exe	schtasks.exe
PID 1996 wrote to memory of 1712	1996	MDB.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\MDB.exe
"C:\Users\Admin\AppData\Local\Temp\MDB.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:752

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SATancQW" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7502.tmp"
2⤵
- Creates scheduled task(s)
PID:2000

C:\Users\Admin\AppData\Local\Temp\MDB.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:1996

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "NTFS Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7A01.tmp"
3⤵
- Creates scheduled task(s)
PID:1004

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "NTFS Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7B59.tmp"
3⤵
- Creates scheduled task(s)
PID:1712

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp7502.tmp

Filesize
1KB

MD5
d4016dc383fc69a0671d6286d53a0f5a

SHA1
c926558273768e4dca8610e14f192f9aeb572a8b

SHA256
9e3c5df522f8f39c5e68d381ace7f7bb0cc4d876746f0a518db01c23a10bcf20

SHA512
35957e28adcb32754a05291a000418048065dcd42378dc399e8def4f84b2e65f9f7e6cd7ee031645085f3f374df1a628e2685fc99a59ff3e7e42d70abcfdadc9

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7A01.tmp

Filesize
1KB

MD5
671c79cd978749f6b39fc08dbff8a77d

SHA1
e05b2370ae4ba264f2f7e2cdf75450435b211e20

SHA256
2011c9c1d2a4445b7a9fc98d3dfce9f0dd48ce3b8ec1242b96e6fbf7ac65fb5b

SHA512
70dfca3506412b2f26e05dae58b86c86d67ee46551313a2066450fef489943e884ae28334f92f79d06a840b3ca240d9f09439347f44ca9ccd8aad7f572cbc53d

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7B59.tmp

Filesize
1KB

MD5
981e126601526eaa5b0ad45c496c4465

SHA1
d610d6a21a8420cc73fcd3e54ddae75a5897b28b

SHA256
11ae277dfa39e7038b782ca6557339e7fe88533fe83705c356a1500a1402d527

SHA512
a59fb704d931ccb7e1ec1a7b98e24ccd8708be529066c6de4b673098cdebef539f7f50d9e051c43954b5a8e7f810862b3a4ede170f131e080dadc3e763ed4bdb

Download Submit
memory/752-55-0x0000000075241000-0x0000000075243000-memory.dmp

Filesize
8KB

Download
memory/752-56-0x00000000005E0000-0x0000000000600000-memory.dmp

Filesize
128KB

Download
memory/752-57-0x0000000005360000-0x00000000053EC000-memory.dmp

Filesize
560KB

Download
memory/752-58-0x0000000000700000-0x000000000073A000-memory.dmp

Filesize
232KB

Download
memory/752-54-0x0000000000C70000-0x0000000000D4E000-memory.dmp

Filesize
888KB

Download
memory/1004-74-0x0000000000000000-mapping.dmp

Download
memory/1712-76-0x0000000000000000-mapping.dmp

Download
memory/1996-62-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1996-80-0x00000000003A0000-0x00000000003AA000-memory.dmp

Filesize
40KB

Download
memory/1996-68-0x000000000041E792-mapping.dmp

Download
memory/1996-70-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1996-72-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1996-65-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1996-64-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1996-61-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1996-92-0x0000000000BD0000-0x0000000000BE4000-memory.dmp

Filesize
80KB

Download
memory/1996-78-0x0000000000390000-0x000000000039A000-memory.dmp

Filesize
40KB

Download
memory/1996-79-0x0000000000490000-0x00000000004AE000-memory.dmp

Filesize
120KB

Download
memory/1996-67-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1996-81-0x0000000000590000-0x00000000005A2000-memory.dmp

Filesize
72KB

Download
memory/1996-82-0x00000000005F0000-0x000000000060A000-memory.dmp

Filesize
104KB

Download
memory/1996-83-0x0000000000610000-0x000000000061E000-memory.dmp

Filesize
56KB

Download
memory/1996-84-0x00000000007F0000-0x0000000000802000-memory.dmp

Filesize
72KB

Download
memory/1996-85-0x0000000000800000-0x000000000080E000-memory.dmp

Filesize
56KB

Download
memory/1996-86-0x0000000000820000-0x000000000082C000-memory.dmp

Filesize
48KB

Download
memory/1996-87-0x0000000000870000-0x0000000000884000-memory.dmp

Filesize
80KB

Download
memory/1996-88-0x0000000000B50000-0x0000000000B60000-memory.dmp

Filesize
64KB

Download
memory/1996-89-0x0000000000BA0000-0x0000000000BB4000-memory.dmp

Filesize
80KB

Download
memory/1996-90-0x0000000000BB0000-0x0000000000BBE000-memory.dmp

Filesize
56KB

Download
memory/1996-91-0x0000000000C20000-0x0000000000C4E000-memory.dmp

Filesize
184KB

Download
memory/2000-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads