nanocore | 976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489

General

Target

HEUR-Backdoor.Win32.Generic-976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe
Size

788KB
MD5

13f3895c5959682a0d364fe152ac900c
SHA1

4c005dfea4568ac4439a24207c179d07b7852bb5
SHA256

976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489
SHA512

350b54425b3bdc214fe7f16453edeafb135969c77075650b1a804eb2161c85bcf06d894857ac4900c547159c9df6602a2ac931102c825c81f14aa27fb648dfe1
SSDEEP

24576:IdtP2cbksTpugRNJI5kFMJF9OWjwjLz3B:hgq8

Score

10^/10

nanocore keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

91.236.116.142:5888

Mutex

d995ed82-bf13-4043-b564-f5f89f8c5209

Attributes

activate_away_mode
true
backup_connection_host
91.236.116.142
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2017-01-07T03:01:54.729778636Z
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
5888
default_group
Spy
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
d995ed82-bf13-4043-b564-f5f89f8c5209
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
91.236.116.142
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
true
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

Executes dropped EXE 1 IoCs

pid	Process
3484	app.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	HEUR-Backdoor.Win32.Generic-976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\app.exe"	HEUR-Backdoor.Win32.Generic-976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3484 set thread context of 2900	3484	app.exe	91

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

pid	Process
4140	schtasks.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

pid	Process
5068	HEUR-Backdoor.Win32.Generic-976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe
5068	HEUR-Backdoor.Win32.Generic-976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe
5068	HEUR-Backdoor.Win32.Generic-976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe
5068	HEUR-Backdoor.Win32.Generic-976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe
5068	HEUR-Backdoor.Win32.Generic-976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe
5068	HEUR-Backdoor.Win32.Generic-976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe
3484	app.exe
3484	app.exe
3484	app.exe
3484	app.exe
3484	app.exe
3484	app.exe
2900	aspnet_compiler.exe
2900	aspnet_compiler.exe
2900	aspnet_compiler.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2900	aspnet_compiler.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	5068	HEUR-Backdoor.Win32.Generic-976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe
Token: SeDebugPrivilege	3484	app.exe
Token: SeDebugPrivilege	2900	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 5068 wrote to memory of 3484	5068	HEUR-Backdoor.Win32.Generic-976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe	84
PID 5068 wrote to memory of 3484	5068	HEUR-Backdoor.Win32.Generic-976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe	84
PID 5068 wrote to memory of 3484	5068	HEUR-Backdoor.Win32.Generic-976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe	84
PID 3484 wrote to memory of 2900	3484	app.exe	91
PID 3484 wrote to memory of 2900	3484	app.exe	91
PID 3484 wrote to memory of 2900	3484	app.exe	91
PID 3484 wrote to memory of 2900	3484	app.exe	91
PID 3484 wrote to memory of 2900	3484	app.exe	91
PID 3484 wrote to memory of 2900	3484	app.exe	91
PID 3484 wrote to memory of 2900	3484	app.exe	91
PID 3484 wrote to memory of 2900	3484	app.exe	91
PID 2900 wrote to memory of 4140	2900	aspnet_compiler.exe	93
PID 2900 wrote to memory of 4140	2900	aspnet_compiler.exe	93
PID 2900 wrote to memory of 4140	2900	aspnet_compiler.exe	93

C:\Users\Admin\AppData\Local\Temp\HEUR-Backdoor.Win32.Generic-976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe
"C:\Users\Admin\AppData\Local\Temp\HEUR-Backdoor.Win32.Generic-976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5068
- C:\Users\Admin\AppData\Roaming\app.exe
  "C:\Users\Admin\AppData\Roaming\app.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3484
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2900
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "DDP Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp5918.tmp"
      4⤵
      Creates scheduled task(s)
      PID:4140

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp5918.tmp

Filesize
1KB

MD5
d81eb43d26d4511c44151cba2eb45983

SHA1
135c98e039c6ab35d4e9564f15f9c56dc9dbeb9a

SHA256
a72a8f6434d6b0fb904db5adc8cab891d12c53b4ac1435dfd13df51f84a2d4d0

SHA512
b5895c19159d23a8fa312967e47d0855ac6f8f314f8931f54469b0c0079a22e9e00a5eaf6729761f74d54e111454d49813e658243e920a9c3434a5576cdda721

Download Submit
C:\Users\Admin\AppData\Roaming\app.exe

Filesize
797KB

MD5
c94279ae7316ced285ad33828fbddba2

SHA1
ec88b043839762a498e6b13af6227be732660548

SHA256
d9ea536a2ddf02428f7c7ce79e2d717506cf567148b72028f37b3c6c4fb68e04

SHA512
605dab53b3b054652817f5140f9e91a20475cf0069af6e6605d8d06f7002a5f8cb62257c522ba1fe5127f59c7203433716c52da361fbee682a1274b6fe1ec78f

Download Submit
C:\Users\Admin\AppData\Roaming\app.exe

Filesize
797KB

MD5
c94279ae7316ced285ad33828fbddba2

SHA1
ec88b043839762a498e6b13af6227be732660548

SHA256
d9ea536a2ddf02428f7c7ce79e2d717506cf567148b72028f37b3c6c4fb68e04

SHA512
605dab53b3b054652817f5140f9e91a20475cf0069af6e6605d8d06f7002a5f8cb62257c522ba1fe5127f59c7203433716c52da361fbee682a1274b6fe1ec78f

Download Submit
memory/2900-141-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2900-143-0x0000000074A30000-0x0000000074FE1000-memory.dmp

Filesize
5.7MB

Download
memory/2900-146-0x0000000074A30000-0x0000000074FE1000-memory.dmp

Filesize
5.7MB

Download
memory/3484-138-0x0000000074A30000-0x0000000074FE1000-memory.dmp

Filesize
5.7MB

Download
memory/3484-139-0x0000000074A30000-0x0000000074FE1000-memory.dmp

Filesize
5.7MB

Download
memory/3484-142-0x0000000074A30000-0x0000000074FE1000-memory.dmp

Filesize
5.7MB

Download
memory/5068-137-0x0000000074A30000-0x0000000074FE1000-memory.dmp

Filesize
5.7MB

Download
memory/5068-132-0x0000000074A30000-0x0000000074FE1000-memory.dmp

Filesize
5.7MB

Download
memory/5068-133-0x0000000074A30000-0x0000000074FE1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads