nanocore | b976a77270930b3b56c685a6a7135ccb385eeecc560ba29638b7548b9d615366

General

Target

66600983234567.exe
Size

1.4MB
MD5

a43b3a79df237e46e36821cc55e60dec
SHA1

1257b90d9f1b1c0aab3384a46b694d197ada3447
SHA256

70175738291ba10d0494df42dad38a1663daa62b37890195fee8a3373d66af1e
SHA512

0773e4430f94cfd6cb0fcd133df51160e57b97946875aa26fee3cdb64fb3e8025729f89f79694e072af0ea3165658f064e23f3d4541550a1784d78a4f70233c2
SSDEEP

24576:Ztb20pkaCqT5TBWgNQ7aEETg4ybtIGdaV+evP0Sqx16A:qVg5tQ7aEETg4y7/2cl5

Score

10^/10

nanocore discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

pharmzone.hopto.org:1919

79.134.225.72:1919

Mutex

89e87aa8-4cb4-47fa-a050-5701d153cc8b

Attributes

activate_away_mode
true
backup_connection_host
79.134.225.72
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-03-01T10:27:33.125889136Z
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
1919
default_group
@GETRICH
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
89e87aa8-4cb4-47fa-a050-5701d153cc8b
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
pharmzone.hopto.org
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

Drops startup file 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\CredentialUIBroker.url	66600983234567.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SMTP Manager = "C:\\Program Files (x86)\\SMTP Manager\\smtpmgr.exe"	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2256 set thread context of 64	2256	66600983234567.exe	84

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\SMTP Manager\smtpmgr.exe	MSBuild.exe
File opened for modification	C:\Program Files (x86)\SMTP Manager\smtpmgr.exe	MSBuild.exe

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	66600983234567.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
4312	schtasks.exe
724	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
64	MSBuild.exe
64	MSBuild.exe
64	MSBuild.exe
2256	66600983234567.exe
2256	66600983234567.exe
2256	66600983234567.exe
2256	66600983234567.exe
2256	66600983234567.exe
2256	66600983234567.exe
2256	66600983234567.exe
2256	66600983234567.exe
2256	66600983234567.exe
2256	66600983234567.exe
2256	66600983234567.exe
2256	66600983234567.exe
2256	66600983234567.exe
2256	66600983234567.exe
2256	66600983234567.exe
2256	66600983234567.exe
2256	66600983234567.exe
2256	66600983234567.exe
2256	66600983234567.exe
2256	66600983234567.exe
2256	66600983234567.exe
2256	66600983234567.exe
2256	66600983234567.exe
2256	66600983234567.exe
2256	66600983234567.exe
2256	66600983234567.exe
2256	66600983234567.exe
2256	66600983234567.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
64	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	64	MSBuild.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2256	66600983234567.exe
2256	66600983234567.exe
2256	66600983234567.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2256	66600983234567.exe
2256	66600983234567.exe
2256	66600983234567.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 64	2256	66600983234567.exe	84
PID 2256 wrote to memory of 64	2256	66600983234567.exe	84
PID 2256 wrote to memory of 64	2256	66600983234567.exe	84
PID 2256 wrote to memory of 64	2256	66600983234567.exe	84
PID 2256 wrote to memory of 64	2256	66600983234567.exe	84
PID 64 wrote to memory of 724	64	MSBuild.exe	85
PID 64 wrote to memory of 724	64	MSBuild.exe	85
PID 64 wrote to memory of 724	64	MSBuild.exe	85
PID 64 wrote to memory of 4312	64	MSBuild.exe	87
PID 64 wrote to memory of 4312	64	MSBuild.exe	87
PID 64 wrote to memory of 4312	64	MSBuild.exe	87

C:\Users\Admin\AppData\Local\Temp\66600983234567.exe
"C:\Users\Admin\AppData\Local\Temp\66600983234567.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2256
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:64
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SMTP Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9A5B.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:724
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SMTP Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9ABA.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4312

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp9A5B.tmp

Filesize
1KB

MD5
ae766004c0d8792953bafffe8f6a2e3b

SHA1
14b12f27543a401e2fe0af8052e116cab0032426

SHA256
1abdd9b6a6b84e4ba1af1282dc84ce276c59ba253f4c4af05fea498a4fd99540

SHA512
e530da4a5d4336fc37838d0e93b5eb3804b9c489c71f6954a47fc81a4c655bb72ec493e109cf96e6e3617d7623ac80697ad3bbd5ffc6281bafc8b34dca5e6567

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9ABA.tmp

Filesize
1KB

MD5
b3b017f9df206021717a11f11d895402

SHA1
e4ea12823af6550ee634536eec1eb14490580a3b

SHA256
654dfce2c28024364e679e1b958f3fb81fc6d29685d534d905d1c83a84351024

SHA512
95666cb81aa1fd1ade04a32f63381ce8bff274d7d300c0b59cbb10a294c4d1eebaa3000365a2000b38793de030044995cf23e623c5e3648d9b00501f97ff9343

Download Submit
memory/64-10-0x0000000074072000-0x0000000074073000-memory.dmp

Filesize
4KB

Download
memory/64-11-0x0000000074070000-0x0000000074621000-memory.dmp

Filesize
5.7MB

Download
memory/64-12-0x0000000074070000-0x0000000074621000-memory.dmp

Filesize
5.7MB

Download
memory/64-4-0x0000000000580000-0x00000000005B8000-memory.dmp

Filesize
224KB

Download
memory/64-20-0x0000000074070000-0x0000000074621000-memory.dmp

Filesize
5.7MB

Download
memory/64-21-0x0000000074070000-0x0000000074621000-memory.dmp

Filesize
5.7MB

Download
memory/64-22-0x0000000074072000-0x0000000074073000-memory.dmp

Filesize
4KB

Download
memory/64-23-0x0000000074070000-0x0000000074621000-memory.dmp

Filesize
5.7MB

Download
memory/64-24-0x0000000074070000-0x0000000074621000-memory.dmp

Filesize
5.7MB

Download
memory/2256-3-0x0000000004110000-0x0000000004176000-memory.dmp

Filesize
408KB

Download
memory/2256-9-0x0000000004CC0000-0x0000000004D26000-memory.dmp

Filesize
408KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads