nanocore | fc565edd736e70f3f4047d2066f7f63cc6491b9bddd9419d39cd02323733d767

General

Target

2384_InstallUtil_exe_Reflective_00000000038964E0.exe
Size

235KB
MD5

ba1050800854b07127972232e847eebb
SHA1

e29ae9df8c97ff93250dddb0126fb063273e8c03
SHA256

fc565edd736e70f3f4047d2066f7f63cc6491b9bddd9419d39cd02323733d767
SHA512

a2e69ddc5c8d5a831f102ea3adc92eba05ac4966504deff9f98de56c1c14c3e07c3f5f3c2b4dbbe4d61a5c87c1da80a0654ad2f83979351acdacf78cbab164e5
SSDEEP

6144:FdxOj6QxLvxBX0EwKVztxDVs3nXgNlBbhOh8MPb3:Ej6QxLvxBXnZJXxQnohO7z

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

snopper13.ddns.net:1996

185.208.211.17:1996

Mutex

639667a7-ccc3-45df-9155-94515c6e197f

Attributes

activate_away_mode
true
backup_connection_host
185.208.211.17
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2018-02-17T08:55:58.187172536Z
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
1996
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
639667a7-ccc3-45df-9155-94515c6e197f
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
snopper13.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

T1547.001

Modify Registry

T1112

Processes:

2384_InstallUtil_exe_Reflective_00000000038964E0.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\TCP Service = "C:\\Program Files (x86)\\TCP Service\\tcpsv.exe"	2384_InstallUtil_exe_Reflective_00000000038964E0.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

2384_InstallUtil_exe_Reflective_00000000038964E0.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	2384_InstallUtil_exe_Reflective_00000000038964E0.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

2384_InstallUtil_exe_Reflective_00000000038964E0.exe

description	pid	process	target process
PID 2360 set thread context of 2888	2360	2384_InstallUtil_exe_Reflective_00000000038964E0.exe	2384_InstallUtil_exe_Reflective_00000000038964E0.exe

Drops file in Program Files directory 2 IoCs

Processes:

2384_InstallUtil_exe_Reflective_00000000038964E0.exe

description	ioc	process
File created	C:\Program Files (x86)\TCP Service\tcpsv.exe	2384_InstallUtil_exe_Reflective_00000000038964E0.exe
File opened for modification	C:\Program Files (x86)\TCP Service\tcpsv.exe	2384_InstallUtil_exe_Reflective_00000000038964E0.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/Job
T1053

Processes:

schtasks.exeschtasks.exe

pid process

2860 schtasks.exe
2588 schtasks.exe

pid	process
2860	schtasks.exe
2588	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

2384_InstallUtil_exe_Reflective_00000000038964E0.exe2384_InstallUtil_exe_Reflective_00000000038964E0.exe

pid	process
2360	2384_InstallUtil_exe_Reflective_00000000038964E0.exe
2888	2384_InstallUtil_exe_Reflective_00000000038964E0.exe
2888	2384_InstallUtil_exe_Reflective_00000000038964E0.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

2384_InstallUtil_exe_Reflective_00000000038964E0.exe

pid process

2888 2384_InstallUtil_exe_Reflective_00000000038964E0.exe

pid	process
2888	2384_InstallUtil_exe_Reflective_00000000038964E0.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

2384_InstallUtil_exe_Reflective_00000000038964E0.exe2384_InstallUtil_exe_Reflective_00000000038964E0.exe

description	pid	process
Token: SeDebugPrivilege	2360	2384_InstallUtil_exe_Reflective_00000000038964E0.exe
Token: SeDebugPrivilege	2888	2384_InstallUtil_exe_Reflective_00000000038964E0.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

2384_InstallUtil_exe_Reflective_00000000038964E0.exe2384_InstallUtil_exe_Reflective_00000000038964E0.exe

C:\Users\Admin\AppData\Local\Temp\2384_InstallUtil_exe_Reflective_00000000038964E0.exe
"C:\Users\Admin\AppData\Local\Temp\2384_InstallUtil_exe_Reflective_00000000038964E0.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2360

C:\Users\Admin\AppData\Local\Temp\2384_InstallUtil_exe_Reflective_00000000038964E0.exe
"C:\Users\Admin\AppData\Local\Temp\2384_InstallUtil_exe_Reflective_00000000038964E0.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:2888

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "TCP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7E73.tmp"
3⤵
- Creates scheduled task(s)
PID:2588

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "TCP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7F00.tmp"
3⤵
- Creates scheduled task(s)
PID:2860

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp7E73.tmp
Filesize
1KB

MD5
f3a59537639fe8c78e90e3371c80e8ad

SHA1
c08bb8a2536160f1067061b7285bb63b2c5db05f

SHA256
5746babdcd4ff5472d674376fb6d2fab529a58efc9fd55a28d28c83699e07620

SHA512
1d189bd1d84b068bf9d155e819aad65e8c18cfb2d30f8c53a8394e19786a3f933c4ab6e17e91aa57b0ff38feebc2179cabaafe9f941135ed3909a7313510f06c

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7F00.tmp
Filesize
1KB

MD5
93fc3117767507c9889abd12dc667d22

SHA1
1096e4cfa0c35756e3c3fb866c1e4c1e59115df9

SHA256
684997dd4ce15031cec8f2f93933b1d41d7bf5cbbff655dd64377b07055c449a

SHA512
e403348ee77bd3e7c45245dd5dae81c3ea130d5cf342f630982772ce5f75548b292013480e2831d68cf51349b64afde4589d4eec94b567d20f0a01e3b9549bdc

Download Submit
memory/2360-0-0x0000000074CB0000-0x000000007525B000-memory.dmp

Filesize
5.7MB

Download
memory/2360-1-0x0000000074CB0000-0x000000007525B000-memory.dmp

Filesize
5.7MB

Download
memory/2360-2-0x0000000000B60000-0x0000000000BA0000-memory.dmp

Filesize
256KB

Download
memory/2360-3-0x0000000074CB0000-0x000000007525B000-memory.dmp

Filesize
5.7MB

Download
memory/2360-4-0x0000000000B60000-0x0000000000BA0000-memory.dmp

Filesize
256KB

Download
memory/2360-19-0x0000000074CB0000-0x000000007525B000-memory.dmp

Filesize
5.7MB

Download
memory/2888-16-0x0000000074CB0000-0x000000007525B000-memory.dmp

Filesize
5.7MB

Download
memory/2888-17-0x00000000022D0000-0x0000000002310000-memory.dmp

Filesize
256KB

Download
memory/2888-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2888-18-0x0000000074CB0000-0x000000007525B000-memory.dmp

Filesize
5.7MB

Download
memory/2888-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2888-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2888-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2888-8-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2888-7-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2888-5-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2888-6-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2888-27-0x0000000074CB0000-0x000000007525B000-memory.dmp

Filesize
5.7MB

Download
memory/2888-28-0x00000000022D0000-0x0000000002310000-memory.dmp

Filesize
256KB

Download

description	pid	process	target process
PID 2360 wrote to memory of 2888	2360	2384_InstallUtil_exe_Reflective_00000000038964E0.exe	2384_InstallUtil_exe_Reflective_00000000038964E0.exe
PID 2360 wrote to memory of 2888	2360	2384_InstallUtil_exe_Reflective_00000000038964E0.exe	2384_InstallUtil_exe_Reflective_00000000038964E0.exe
PID 2360 wrote to memory of 2888	2360	2384_InstallUtil_exe_Reflective_00000000038964E0.exe	2384_InstallUtil_exe_Reflective_00000000038964E0.exe
PID 2360 wrote to memory of 2888	2360	2384_InstallUtil_exe_Reflective_00000000038964E0.exe	2384_InstallUtil_exe_Reflective_00000000038964E0.exe
PID 2360 wrote to memory of 2888	2360	2384_InstallUtil_exe_Reflective_00000000038964E0.exe	2384_InstallUtil_exe_Reflective_00000000038964E0.exe
PID 2360 wrote to memory of 2888	2360	2384_InstallUtil_exe_Reflective_00000000038964E0.exe	2384_InstallUtil_exe_Reflective_00000000038964E0.exe
PID 2360 wrote to memory of 2888	2360	2384_InstallUtil_exe_Reflective_00000000038964E0.exe	2384_InstallUtil_exe_Reflective_00000000038964E0.exe
PID 2360 wrote to memory of 2888	2360	2384_InstallUtil_exe_Reflective_00000000038964E0.exe	2384_InstallUtil_exe_Reflective_00000000038964E0.exe
PID 2360 wrote to memory of 2888	2360	2384_InstallUtil_exe_Reflective_00000000038964E0.exe	2384_InstallUtil_exe_Reflective_00000000038964E0.exe
PID 2360 wrote to memory of 2888	2360	2384_InstallUtil_exe_Reflective_00000000038964E0.exe	2384_InstallUtil_exe_Reflective_00000000038964E0.exe
PID 2360 wrote to memory of 2888	2360	2384_InstallUtil_exe_Reflective_00000000038964E0.exe	2384_InstallUtil_exe_Reflective_00000000038964E0.exe
PID 2360 wrote to memory of 2888	2360	2384_InstallUtil_exe_Reflective_00000000038964E0.exe	2384_InstallUtil_exe_Reflective_00000000038964E0.exe
PID 2888 wrote to memory of 2588	2888	2384_InstallUtil_exe_Reflective_00000000038964E0.exe	schtasks.exe
PID 2888 wrote to memory of 2588	2888	2384_InstallUtil_exe_Reflective_00000000038964E0.exe	schtasks.exe
PID 2888 wrote to memory of 2588	2888	2384_InstallUtil_exe_Reflective_00000000038964E0.exe	schtasks.exe
PID 2888 wrote to memory of 2588	2888	2384_InstallUtil_exe_Reflective_00000000038964E0.exe	schtasks.exe
PID 2888 wrote to memory of 2860	2888	2384_InstallUtil_exe_Reflective_00000000038964E0.exe	schtasks.exe
PID 2888 wrote to memory of 2860	2888	2384_InstallUtil_exe_Reflective_00000000038964E0.exe	schtasks.exe
PID 2888 wrote to memory of 2860	2888	2384_InstallUtil_exe_Reflective_00000000038964E0.exe	schtasks.exe
PID 2888 wrote to memory of 2860	2888	2384_InstallUtil_exe_Reflective_00000000038964E0.exe	schtasks.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads