Behavioral Report

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 dera5nano.ddns.net:1010 107.182.129.248:1010
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
Checks computer location settings ⋅ 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

TTPs:

Query Registry System Information Discovery

Processes:

MDB.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation MDB.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	MDB.exe

Adds Run key to start application ⋅ 2 TTPs 1 IoCs

persistence

TTPs:

Registry Run Keys / Startup Folder Modify Registry

Processes:

MDB.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DDP Host = "C:\\Program Files (x86)\\DDP Host\\ddphost.exe"	MDB.exe

Checks whether UAC is enabled ⋅ 1 TTPs 1 IoCs
evasion trojan

TTPs:

System Information Discovery

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 1800 set thread context of 3140 1800 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 1800 set thread context of 3140	1800	MDB.exe	MDB.exe

Drops file in Program Files directory ⋅ 2 IoCs

Processes:

MDB.exe

description	ioc	process
File created	C:\Program Files (x86)\DDP Host\ddphost.exe	MDB.exe
File opened for modification	C:\Program Files (x86)\DDP Host\ddphost.exe	MDB.exe

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

TTPs:

System Information Discovery
Creates scheduled task(s) ⋅ 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

TTPs:

Scheduled Task

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid process

3340 schtasks.exe
4344 schtasks.exe
2092 schtasks.exe
Suspicious behavior: EnumeratesProcesses ⋅ 8 IoCs

Processes:

MDB.exeMDB.exe

pid process

1800 MDB.exe
1800 MDB.exe
3140 MDB.exe
3140 MDB.exe
3140 MDB.exe
3140 MDB.exe
3140 MDB.exe
3140 MDB.exe
Suspicious behavior: GetForegroundWindowSpam ⋅ 1 IoCs

Processes:

MDB.exe

pid process

3140 MDB.exe
Suspicious use of AdjustPrivilegeToken ⋅ 2 IoCs

Processes:

MDB.exeMDB.exe

description pid process

Token: SeDebugPrivilege 1800 MDB.exe
Token: SeDebugPrivilege 3140 MDB.exe

pid	process
3340	schtasks.exe
4344	schtasks.exe
2092	schtasks.exe

pid	process
1800	MDB.exe
1800	MDB.exe
3140	MDB.exe
3140	MDB.exe
3140	MDB.exe
3140	MDB.exe
3140	MDB.exe
3140	MDB.exe

pid	process
3140	MDB.exe

description	pid	process
Token: SeDebugPrivilege	1800	MDB.exe
Token: SeDebugPrivilege	3140	MDB.exe

Suspicious use of WriteProcessMemory ⋅ 20 IoCs

Processes:

MDB.exeMDB.exe

description	pid	process	target process
PID 1800 wrote to memory of 2092	1800	MDB.exe	schtasks.exe
PID 1800 wrote to memory of 2092	1800	MDB.exe	schtasks.exe
PID 1800 wrote to memory of 2092	1800	MDB.exe	schtasks.exe
PID 1800 wrote to memory of 2896	1800	MDB.exe	MDB.exe
PID 1800 wrote to memory of 2896	1800	MDB.exe	MDB.exe
PID 1800 wrote to memory of 2896	1800	MDB.exe	MDB.exe
PID 1800 wrote to memory of 3140	1800	MDB.exe	MDB.exe
PID 1800 wrote to memory of 3140	1800	MDB.exe	MDB.exe
PID 1800 wrote to memory of 3140	1800	MDB.exe	MDB.exe
PID 1800 wrote to memory of 3140	1800	MDB.exe	MDB.exe
PID 1800 wrote to memory of 3140	1800	MDB.exe	MDB.exe
PID 1800 wrote to memory of 3140	1800	MDB.exe	MDB.exe
PID 1800 wrote to memory of 3140	1800	MDB.exe	MDB.exe
PID 1800 wrote to memory of 3140	1800	MDB.exe	MDB.exe
PID 3140 wrote to memory of 3340	3140	MDB.exe	schtasks.exe
PID 3140 wrote to memory of 3340	3140	MDB.exe	schtasks.exe
PID 3140 wrote to memory of 3340	3140	MDB.exe	schtasks.exe
PID 3140 wrote to memory of 4344	3140	MDB.exe	schtasks.exe
PID 3140 wrote to memory of 4344	3140	MDB.exe	schtasks.exe
PID 3140 wrote to memory of 4344	3140	MDB.exe	schtasks.exe

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

"C:\Users\Admin\AppData\Local\Temp\MDB.exe"

Checks computer location settings
Suspicious use of SetThreadContext
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory

PID:1800

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SATancQW" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD323.tmp"

Creates scheduled task(s)

PID:2092

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

"{path}"

PID:2896

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

"{path}"

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:3140

C:\Windows\SysWOW64\schtasks.exe

"schtasks.exe" /create /f /tn "DDP Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmpD779.tmp"

Creates scheduled task(s)

PID:3340

C:\Windows\SysWOW64\schtasks.exe

"schtasks.exe" /create /f /tn "DDP Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpD7D8.tmp"

Creates scheduled task(s)

PID:4344

Network

MITRE ATT&CK Matrix

Collection

Command and Control

Credential Access

Defense Evasion

Modify Registry

Discovery

Execution

Exfiltration

Impact

Initial Access

Lateral Movement

Persistence

Privilege Escalation

Replay Monitor

00:00 00:00

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\MDB.exe.log
MD5
84e77a587d94307c0ac1357eb4d3d46f

SHA1
83cc900f9401f43d181207d64c5adba7a85edc1e

SHA256
e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99

SHA512
aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD323.tmp
MD5
5bee1f9e26f50d6ebd04e66fea66fba3

SHA1
d6deac724ce99703d084a61ba2f55d9ca6460f88

SHA256
eae6658eb752a18301a57862a944fb6decde63688339dcbccbcd5a78edc2f5fe

SHA512
d1e7edd84cd4bbef2fa022cca4f09b0dac2a10e3adf20eb6301f64e25b1968b31f15e376f9d74a1273bca6d00bb18856c041d34e7633863df7a8b9d5dedb1e5e

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD779.tmp
MD5
671c79cd978749f6b39fc08dbff8a77d

SHA1
e05b2370ae4ba264f2f7e2cdf75450435b211e20

SHA256
2011c9c1d2a4445b7a9fc98d3dfce9f0dd48ce3b8ec1242b96e6fbf7ac65fb5b

SHA512
70dfca3506412b2f26e05dae58b86c86d67ee46551313a2066450fef489943e884ae28334f92f79d06a840b3ca240d9f09439347f44ca9ccd8aad7f572cbc53d

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD7D8.tmp
MD5
2271642ca970891700e3f48439739ed8

SHA1
cd472df2349f7db9e1e460d0ee28acd97b8a8793

SHA256
7aba66abbcb0b13455609174db23aed495a9adbef0e0acd28baa9c92445eda68

SHA512
4669a4ef8ec28cdb852ffc1401576b1bf9a9d837797d7d92bc88c18b3097404f36854e50167b309706fef400cabc43c876569ce2797ba85eb169a2783b8fe807

Download Submit
memory/1800-136-0x0000000005720000-0x000000000572A000-memory.dmp

Download
memory/1800-132-0x0000000000CA0000-0x0000000000D7E000-memory.dmp

Download
memory/1800-135-0x0000000005800000-0x000000000589C000-memory.dmp

Download
memory/1800-134-0x0000000005760000-0x00000000057F2000-memory.dmp

Download
memory/1800-133-0x0000000005C70000-0x0000000006214000-memory.dmp

Download
memory/2092-137-0x0000000000000000-mapping.dmp

Download
memory/2896-139-0x0000000000000000-mapping.dmp

Download
memory/3140-140-0x0000000000000000-mapping.dmp

Download
memory/3140-141-0x0000000000400000-0x0000000000438000-memory.dmp

Download
memory/3140-147-0x0000000006A60000-0x0000000006AC6000-memory.dmp

Download
memory/3340-143-0x0000000000000000-mapping.dmp

Download
memory/4344-145-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

Downloads