nanocore | 3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343

General

Target

3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe
Size

503KB
MD5

e3b82786df3bd9f8229a19e92be0d274
SHA1

fef46d7f381df092d99eee0d3009d0ea05e67643
SHA256

3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343
SHA512

dde4aa66f2d79e3b0e0f872c6326d13ee496642b6d3cc57bc0461f47923afc2b52041b23d635e04a02584d54e04d061183e70e3bfc75e649e8fbfbdc79eee222
SSDEEP

12288:eVGgMOAslYbn5vK2w7CeEBOB8tfjHmdqW:btslYbN2Ebt7HmdqW

Score

10^/10

nanocore discovery evasion execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

212.192.241.19:9530

Mutex

0e53723b-45a2-4610-9e0f-bcbf71098cb0

Attributes

activate_away_mode
false
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-07-26T03:05:48.681858136Z
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
9530
default_group
Saint
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
0e53723b-45a2-4610-9e0f-bcbf71098cb0
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
212.192.241.19
primary_dns_server
8.8.8.8
request_elevation
false
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
Nanocore family
nanocore

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
1632	powershell.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\DPI Subsystem = "C:\\Program Files (x86)\\DPI Subsystem\\dpiss.exe"	3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3008 set thread context of 2832	3008	3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe	34

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DPI Subsystem\dpiss.exe	3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe
File opened for modification	C:\Program Files (x86)\DPI Subsystem\dpiss.exe	3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 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	3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.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	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
3044	schtasks.exe
636	schtasks.exe
2440	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1632	powershell.exe
2832	3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe
2832	3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe
2832	3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2832	3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1632	powershell.exe
Token: SeDebugPrivilege	2832	3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe
Token: SeDebugPrivilege	2832	3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 3008 wrote to memory of 1632	3008	3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe	31
PID 3008 wrote to memory of 1632	3008	3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe	31
PID 3008 wrote to memory of 1632	3008	3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe	31
PID 3008 wrote to memory of 1632	3008	3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe	31
PID 3008 wrote to memory of 2440	3008	3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe	33
PID 3008 wrote to memory of 2440	3008	3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe	33
PID 3008 wrote to memory of 2440	3008	3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe	33
PID 3008 wrote to memory of 2440	3008	3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe	33
PID 3008 wrote to memory of 2832	3008	3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe	34
PID 3008 wrote to memory of 2832	3008	3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe	34
PID 3008 wrote to memory of 2832	3008	3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe	34
PID 3008 wrote to memory of 2832	3008	3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe	34
PID 3008 wrote to memory of 2832	3008	3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe	34
PID 3008 wrote to memory of 2832	3008	3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe	34
PID 3008 wrote to memory of 2832	3008	3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe	34
PID 3008 wrote to memory of 2832	3008	3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe	34
PID 3008 wrote to memory of 2832	3008	3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe	34
PID 2832 wrote to memory of 3044	2832	3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe	36
PID 2832 wrote to memory of 3044	2832	3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe	36
PID 2832 wrote to memory of 3044	2832	3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe	36
PID 2832 wrote to memory of 3044	2832	3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe	36
PID 2832 wrote to memory of 636	2832	3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe	38
PID 2832 wrote to memory of 636	2832	3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe	38
PID 2832 wrote to memory of 636	2832	3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe	38
PID 2832 wrote to memory of 636	2832	3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe	38

C:\Users\Admin\AppData\Local\Temp\3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe
"C:\Users\Admin\AppData\Local\Temp\3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3008
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1632
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qvSCyEhVKRwxif" /XML "C:\Users\Admin\AppData\Local\Temp\tmp951E.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2440
- C:\Users\Admin\AppData\Local\Temp\3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe
  "C:\Users\Admin\AppData\Local\Temp\3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe"
  2⤵
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - 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:2832
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DPI Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9608.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3044
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DPI Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp96B5.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:636

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

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 Information Discovery

2

T1082

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\tmp9608.tmp

Filesize
1KB

MD5
880c907b8c33169156161f55ec3b5a40

SHA1
265fb88ed2d5ed904316bfec5b56536a1810d1c6

SHA256
1757ce7769c0919705022346d0ae51130ae4b381c0e793db16ce5c110d2638cc

SHA512
c1b1f1342b7cb3ff26fd77c6d975f7ab47b0669a67ef7b078588a9851692c0f1f350ad6265d9c679230228ab49a988976254dbf83f58095e1c2a13911ff27b67

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp96B5.tmp

Filesize
1KB

MD5
5fea24e883e06e4df6d240dc72abf2c5

SHA1
d778bf0f436141e02df4b421e8188abdcc9a84a4

SHA256
e858982f4ab3c74f7a8903eea18c0f73501a77273ae38b54d5c9dec997e79a66

SHA512
15afc2ffbbee14d28a5ff8dc8285d01c942147aada36fb33e31045a4e998769b51738bebe199bcad3462f918b535845a893aa2f80c84b9c795cd1fee4a327924

Download Submit
memory/2832-27-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2832-38-0x00000000003F0000-0x00000000003FA000-memory.dmp

Filesize
40KB

Download
memory/2832-39-0x0000000000440000-0x000000000045E000-memory.dmp

Filesize
120KB

Download
memory/2832-40-0x00000000004A0000-0x00000000004AA000-memory.dmp

Filesize
40KB

Download
memory/2832-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2832-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2832-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2832-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2832-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2832-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2832-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3008-5-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/3008-6-0x0000000004CA0000-0x0000000004CFC000-memory.dmp

Filesize
368KB

Download
memory/3008-32-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/3008-0-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download
memory/3008-4-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download
memory/3008-3-0x00000000005D0000-0x00000000005DE000-memory.dmp

Filesize
56KB

Download
memory/3008-2-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/3008-1-0x00000000009B0000-0x0000000000A34000-memory.dmp

Filesize
528KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads