nanocore | 85aaf0f327e13819260da3bec2a794b8f5f1023134829b04b349903d3d14d10f

General

Target

R.F.Q.exe
Size

1.4MB
MD5

c61c73498de65a9ff66b2414830e6acf
SHA1

9daecb9c02d5feb13ee904893eb5c48044ed6663
SHA256

43e1811a05462e842241e679ba6735adbec0b5e24892df70a411f884d07500d5
SHA512

76034aebaa991446bcb80a3e7b7a649b11cd56f51e666f4a6c18d475c18899d7bf29376940077e51812442ac77d88643f849fe2d28000a06d594c0d8513b0460

Score

10^/10

nanocore keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

185.244.29.132:1985

127.0.0.1:1985

Mutex

f61bbd75-d4b8-4ea7-be06-9084282264d7

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-02-21T01:06:21.461976936Z
bypass_user_account_control
false
bypass_user_account_control_data
PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTE2Ij8+DQo8VGFzayB2ZXJzaW9uPSIxLjIiIHhtbG5zPSJodHRwOi8vc2NoZW1hcy5taWNyb3NvZnQuY29tL3dpbmRvd3MvMjAwNC8wMi9taXQvdGFzayI+DQogIDxSZWdpc3RyYXRpb25JbmZvIC8+DQogIDxUcmlnZ2VycyAvPg0KICA8UHJpbmNpcGFscz4NCiAgICA8UHJpbmNpcGFsIGlkPSJBdXRob3IiPg0KICAgICAgPExvZ29uVHlwZT5JbnRlcmFjdGl2ZVRva2VuPC9Mb2dvblR5cGU+DQogICAgICA8UnVuTGV2ZWw+SGlnaGVzdEF2YWlsYWJsZTwvUnVuTGV2ZWw+DQogICAgPC9QcmluY2lwYWw+DQogIDwvUHJpbmNpcGFscz4NCiAgPFNldHRpbmdzPg0KICAgIDxNdWx0aXBsZUluc3RhbmNlc1BvbGljeT5QYXJhbGxlbDwvTXVsdGlwbGVJbnN0YW5jZXNQb2xpY3k+DQogICAgPERpc2FsbG93U3RhcnRJZk9uQmF0dGVyaWVzPmZhbHNlPC9EaXNhbGxvd1N0YXJ0SWZPbkJhdHRlcmllcz4NCiAgICA8U3RvcElmR29pbmdPbkJhdHRlcmllcz5mYWxzZTwvU3RvcElmR29pbmdPbkJhdHRlcmllcz4NCiAgICA8QWxsb3dIYXJkVGVybWluYXRlPnRydWU8L0FsbG93SGFyZFRlcm1pbmF0ZT4NCiAgICA8U3RhcnRXaGVuQXZhaWxhYmxlPmZhbHNlPC9TdGFydFdoZW5BdmFpbGFibGU+DQogICAgPFJ1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+ZmFsc2U8L1J1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+DQogICAgPElkbGVTZXR0aW5ncz4NCiAgICAgIDxTdG9wT25JZGxlRW5kPmZhbHNlPC9TdG9wT25JZGxlRW5kPg0KICAgICAgPFJlc3RhcnRPbklkbGU+ZmFsc2U8L1Jlc3RhcnRPbklkbGU+DQogICAgPC9JZGxlU2V0dGluZ3M+DQogICAgPEFsbG93U3RhcnRPbkRlbWFuZD50cnVlPC9BbGxvd1N0YXJ0T25EZW1hbmQ+DQogICAgPEVuYWJsZWQ+dHJ1ZTwvRW5hYmxlZD4NCiAgICA8SGlkZGVuPmZhbHNlPC9IaWRkZW4+DQogICAgPFJ1bk9ubHlJZklkbGU+ZmFsc2U8L1J1bk9ubHlJZklkbGU+DQogICAgPFdha2VUb1J1bj5mYWxzZTwvV2FrZVRvUnVuPg0KICAgIDxFeGVjdXRpb25UaW1lTGltaXQ+UFQwUzwvRXhlY3V0aW9uVGltZUxpbWl0Pg0KICAgIDxQcmlvcml0eT40PC9Qcmlvcml0eT4NCiAgPC9TZXR0aW5ncz4NCiAgPEFjdGlvbnMgQ29udGV4dD0iQXV0aG9yIj4NCiAgICA8RXhlYz4NCiAgICAgIDxDb21tYW5kPiIjRVhFQ1VUQUJMRVBBVEgiPC9Db21tYW5kPg0KICAgICAgPEFyZ3VtZW50cz4kKEFyZzApPC9Bcmd1bWVudHM+DQogICAgPC9FeGVjPg0KICA8L0FjdGlvbnM+DQo8L1Rhc2s+
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
1985
default_group
Scarface
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
f61bbd75-d4b8-4ea7-be06-9084282264d7
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
185.244.29.132
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
false
set_critical_process
false
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:

MSBuild.exe

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

R.F.Q.exe

description pid process target process

PID 1492 set thread context of 1624 1492 R.F.Q.exe MSBuild.exe

description	pid	process	target process
PID 1492 set thread context of 1624	1492	R.F.Q.exe	MSBuild.exe

Drops file in Program Files directory 2 IoCs

Processes:

MSBuild.exe

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

2028 schtasks.exe
1984 schtasks.exe

pid	process
2028	schtasks.exe
1984	schtasks.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

MSBuild.exeR.F.Q.exe

pid	process
1624	MSBuild.exe
1624	MSBuild.exe
1492	R.F.Q.exe
1492	R.F.Q.exe
1492	R.F.Q.exe
1492	R.F.Q.exe
1492	R.F.Q.exe
1492	R.F.Q.exe
1492	R.F.Q.exe
1492	R.F.Q.exe
1492	R.F.Q.exe
1492	R.F.Q.exe
1492	R.F.Q.exe
1492	R.F.Q.exe
1492	R.F.Q.exe
1492	R.F.Q.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

MSBuild.exe

pid process

1624 MSBuild.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 1624 MSBuild.exe
Token: SeDebugPrivilege 1624 MSBuild.exe
Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

R.F.Q.exe

pid process

1492 R.F.Q.exe
1492 R.F.Q.exe
1492 R.F.Q.exe
Suspicious use of SendNotifyMessage 3 IoCs

Processes:

R.F.Q.exe

pid process

1492 R.F.Q.exe
1492 R.F.Q.exe
1492 R.F.Q.exe

description	pid	process
Token: SeDebugPrivilege	1624	MSBuild.exe
Token: SeDebugPrivilege	1624	MSBuild.exe

pid	process
1492	R.F.Q.exe
1492	R.F.Q.exe
1492	R.F.Q.exe

pid	process
1492	R.F.Q.exe
1492	R.F.Q.exe
1492	R.F.Q.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

R.F.Q.exeMSBuild.exe

description	pid	process	target process
PID 1492 wrote to memory of 1624	1492	R.F.Q.exe	MSBuild.exe
PID 1492 wrote to memory of 1624	1492	R.F.Q.exe	MSBuild.exe
PID 1492 wrote to memory of 1624	1492	R.F.Q.exe	MSBuild.exe
PID 1492 wrote to memory of 1624	1492	R.F.Q.exe	MSBuild.exe
PID 1492 wrote to memory of 1624	1492	R.F.Q.exe	MSBuild.exe
PID 1492 wrote to memory of 1624	1492	R.F.Q.exe	MSBuild.exe
PID 1624 wrote to memory of 2028	1624	MSBuild.exe	schtasks.exe
PID 1624 wrote to memory of 2028	1624	MSBuild.exe	schtasks.exe
PID 1624 wrote to memory of 2028	1624	MSBuild.exe	schtasks.exe
PID 1624 wrote to memory of 2028	1624	MSBuild.exe	schtasks.exe
PID 1624 wrote to memory of 1984	1624	MSBuild.exe	schtasks.exe
PID 1624 wrote to memory of 1984	1624	MSBuild.exe	schtasks.exe
PID 1624 wrote to memory of 1984	1624	MSBuild.exe	schtasks.exe
PID 1624 wrote to memory of 1984	1624	MSBuild.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\R.F.Q.exe
"C:\Users\Admin\AppData\Local\Temp\R.F.Q.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1492

C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
"C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\MSBuild.exe"
2⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1624

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DSL Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1E1C.tmp"
3⤵
- Creates scheduled task(s)
PID:2028

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DSL Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp24C2.tmp"
3⤵
- Creates scheduled task(s)
PID:1984

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1E1C.tmp
Filesize
1KB

MD5
ae766004c0d8792953bafffe8f6a2e3b

SHA1
14b12f27543a401e2fe0af8052e116cab0032426

SHA256
1abdd9b6a6b84e4ba1af1282dc84ce276c59ba253f4c4af05fea498a4fd99540

SHA512
e530da4a5d4336fc37838d0e93b5eb3804b9c489c71f6954a47fc81a4c655bb72ec493e109cf96e6e3617d7623ac80697ad3bbd5ffc6281bafc8b34dca5e6567

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp24C2.tmp
Filesize
1KB

MD5
f34c9976546ad9fc8624117687e1b732

SHA1
df5de84989e77f019a10e10f2e8a44bca2dc620d

SHA256
d524ed3f3648a50ab92cf755461af48ed0c973a3edfba3a4cd0fad3d2e833183

SHA512
cd90ca19818bcdf0ec6ee9bafd47749e87ffb8f5c4711ef6c73483acf73399b2ab8c7b55f98303fcce409591647741ceb2ddd7b399ad62b2f5b18ed5378c8260

Download Submit
memory/1492-65-0x00000000006A0000-0x0000000000706000-memory.dmp

Filesize
408KB

Download
memory/1492-54-0x0000000074C81000-0x0000000074C83000-memory.dmp

Filesize
8KB

Download
memory/1492-66-0x0000000000A20000-0x0000000000A86000-memory.dmp

Filesize
408KB

Download
memory/1624-62-0x000000000041E792-mapping.dmp

Download
memory/1624-64-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1624-63-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1624-55-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1624-70-0x0000000073DE0000-0x000000007438B000-memory.dmp

Filesize
5.7MB

Download
memory/1624-57-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1984-71-0x0000000000000000-mapping.dmp

Download
memory/2028-68-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads