nanocore | cd590376deccc27f22c7d9a573bcc470a5b7e6242725df7be5cfaafc454f6bdc

General

Target

AQA4DSBD.exe
Size

528KB
MD5

02ec1301ededa1469edb45fe3804dc07
SHA1

5334c89b9c340c389f5c2a9d919a84a121c650bf
SHA256

77bb6489c1fd6c87f2ba80955211d0eef9be425d4e6076bd7280c6f87f9f3300
SHA512

b85e072912af1bcc97011901c68ce8c1e1cbb9a214fda396fac60f41cbbb21c1eda76378e5ea936754ae745cd666c6248c5e1e4d76dcda20e605b7ba1dce1bd4

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

194.5.97.7:21600

127.0.0.1:21600

Mutex

e5b96bc8-7801-4aaf-bd22-9b94311755e4

Attributes

activate_away_mode
false
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-05-22T19:43:27.532173036Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
21600
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
e5b96bc8-7801-4aaf-bd22-9b94311755e4
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
194.5.97.7
primary_dns_server
8.8.8.8
request_elevation
false
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:

AQA4DSBD.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\DSL Service = "C:\\Program Files (x86)\\DSL Service\\dslsv.exe"	AQA4DSBD.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

AQA4DSBD.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA AQA4DSBD.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

AQA4DSBD.exe

description pid process target process

PID 1140 set thread context of 1480 1140 AQA4DSBD.exe AQA4DSBD.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	AQA4DSBD.exe

description	pid	process	target process
PID 1140 set thread context of 1480	1140	AQA4DSBD.exe	AQA4DSBD.exe

Drops file in Program Files directory 2 IoCs

Processes:

AQA4DSBD.exe

description	ioc	process
File created	C:\Program Files (x86)\DSL Service\dslsv.exe	AQA4DSBD.exe
File opened for modification	C:\Program Files (x86)\DSL Service\dslsv.exe	AQA4DSBD.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

1572 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

AQA4DSBD.exe

pid process

1480 AQA4DSBD.exe
1480 AQA4DSBD.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

AQA4DSBD.exe

description pid process

Token: SeDebugPrivilege 1480 AQA4DSBD.exe

pid	process
1572	schtasks.exe

pid	process
1480	AQA4DSBD.exe
1480	AQA4DSBD.exe

description	pid	process
Token: SeDebugPrivilege	1480	AQA4DSBD.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

AQA4DSBD.exe

description	pid	process	target process
PID 1140 wrote to memory of 1572	1140	AQA4DSBD.exe	schtasks.exe
PID 1140 wrote to memory of 1572	1140	AQA4DSBD.exe	schtasks.exe
PID 1140 wrote to memory of 1572	1140	AQA4DSBD.exe	schtasks.exe
PID 1140 wrote to memory of 1572	1140	AQA4DSBD.exe	schtasks.exe
PID 1140 wrote to memory of 1480	1140	AQA4DSBD.exe	AQA4DSBD.exe
PID 1140 wrote to memory of 1480	1140	AQA4DSBD.exe	AQA4DSBD.exe
PID 1140 wrote to memory of 1480	1140	AQA4DSBD.exe	AQA4DSBD.exe
PID 1140 wrote to memory of 1480	1140	AQA4DSBD.exe	AQA4DSBD.exe
PID 1140 wrote to memory of 1480	1140	AQA4DSBD.exe	AQA4DSBD.exe
PID 1140 wrote to memory of 1480	1140	AQA4DSBD.exe	AQA4DSBD.exe
PID 1140 wrote to memory of 1480	1140	AQA4DSBD.exe	AQA4DSBD.exe
PID 1140 wrote to memory of 1480	1140	AQA4DSBD.exe	AQA4DSBD.exe
PID 1140 wrote to memory of 1480	1140	AQA4DSBD.exe	AQA4DSBD.exe

C:\Users\Admin\AppData\Local\Temp\AQA4DSBD.exe
"C:\Users\Admin\AppData\Local\Temp\AQA4DSBD.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1140

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UdZIvSkyXmBB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9B37.tmp"
2⤵
- Creates scheduled task(s)
PID:1572

C:\Users\Admin\AppData\Local\Temp\AQA4DSBD.exe
"C:\Users\Admin\AppData\Local\Temp\AQA4DSBD.exe"
2⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1480

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp9B37.tmp

Filesize
1KB

MD5
1c28d7eb65b709cf65bd38ec94a94b02

SHA1
369dff4dc5dce69f00170e92cf3086af860cb6e9

SHA256
04ed6c3945e63061ba041f50bb1035dfb0e7b9cfda2fe255ef1848f5bdf1e3c4

SHA512
c9070775f65d932e0e65974be3d60700bd81d19e3acaf92980956aa4c7f9a0760f0d9acdc426f6ab702c2819131f54baaee3ee9061542668687d849dc31f6dd4

Download Submit
memory/1140-55-0x00000000748A0000-0x0000000074E4B000-memory.dmp

Filesize
5.7MB

Download
memory/1140-54-0x0000000075C01000-0x0000000075C03000-memory.dmp

Filesize
8KB

Download
memory/1480-61-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1480-58-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1480-59-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1480-62-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1480-64-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1480-65-0x000000000041E792-mapping.dmp

Download
memory/1480-67-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1480-69-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1480-71-0x00000000748A0000-0x0000000074E4B000-memory.dmp

Filesize
5.7MB

Download
memory/1572-56-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads