nanocore | 7943dd3d1f4215ee40123ab13edc945dccd0ff9d3e9cddf372ff8ecbffe62635

Analysis

max time kernel
145s
max time network
148s
platform
windows10_x64
resource
win10
submitted
13-07-2020 12:38

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General

Target

FILE.exe
Size

1.0MB
MD5

5b5369b2f6c3375da64a1ab886f50f9f
SHA1

71fb505cb1333272197f7a034061253ec52fdb59
SHA256

7943dd3d1f4215ee40123ab13edc945dccd0ff9d3e9cddf372ff8ecbffe62635
SHA512

af84b9c8edb227367bb7729d696e02420166f1f98b1595e891fd937a31acaee234fb11b9f6a1ec378415eb5f8c19701d912dac0cf8f42b2ab75ca94f0c9e1989

Score

10^/10

keylogger trojan stealer spyware nanocore evasion persistence

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

johnsuccess18.ddns.net:52943

154.16.93.185:52943

Mutex

ecda5e37-0f0a-4c9a-9215-b73b6f1653e9

Attributes

activate_away_mode
false
backup_connection_host
154.16.93.185
backup_dns_server
buffer_size
65538
build_time
2020-03-08T11:31:26.590996936Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
false
clear_zone_identifier
false
connect_delay
4000
connection_port
52943
default_group
WINMONI$
enable_debug_mode
true
gc_threshold
1.0485772e+07
keep_alive_timeout
30000
keyboard_logging
false
lan_timeout
2500
max_packet_size
1.0485772e+07
mutex
ecda5e37-0f0a-4c9a-9215-b73b6f1653e9
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
johnsuccess18.ddns.net
primary_dns_server
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
8009

Signatures

Suspicious use of WriteProcessMemory 35 IoCs

description	pid	Process	procid_target
PID 2944 wrote to memory of 3760	2944	FILE.exe	67
PID 2944 wrote to memory of 3760	2944	FILE.exe	67
PID 2944 wrote to memory of 3760	2944	FILE.exe	67
PID 3760 wrote to memory of 3824	3760	qrinvwbw.pif	69
PID 3760 wrote to memory of 3824	3760	qrinvwbw.pif	69
PID 3760 wrote to memory of 3824	3760	qrinvwbw.pif	69
PID 3760 wrote to memory of 4016	3760	qrinvwbw.pif	70
PID 3760 wrote to memory of 4016	3760	qrinvwbw.pif	70
PID 3760 wrote to memory of 4016	3760	qrinvwbw.pif	70
PID 3760 wrote to memory of 2464	3760	qrinvwbw.pif	71
PID 3760 wrote to memory of 2464	3760	qrinvwbw.pif	71
PID 3760 wrote to memory of 2464	3760	qrinvwbw.pif	71
PID 3760 wrote to memory of 692	3760	qrinvwbw.pif	72
PID 3760 wrote to memory of 692	3760	qrinvwbw.pif	72
PID 3760 wrote to memory of 692	3760	qrinvwbw.pif	72
PID 3760 wrote to memory of 1752	3760	qrinvwbw.pif	73
PID 3760 wrote to memory of 1752	3760	qrinvwbw.pif	73
PID 3760 wrote to memory of 1752	3760	qrinvwbw.pif	73
PID 3760 wrote to memory of 3892	3760	qrinvwbw.pif	74
PID 3760 wrote to memory of 3892	3760	qrinvwbw.pif	74
PID 3760 wrote to memory of 3892	3760	qrinvwbw.pif	74
PID 3760 wrote to memory of 3900	3760	qrinvwbw.pif	75
PID 3760 wrote to memory of 3900	3760	qrinvwbw.pif	75
PID 3760 wrote to memory of 3900	3760	qrinvwbw.pif	75
PID 3760 wrote to memory of 496	3760	qrinvwbw.pif	76
PID 3760 wrote to memory of 496	3760	qrinvwbw.pif	76
PID 3760 wrote to memory of 496	3760	qrinvwbw.pif	76
PID 3760 wrote to memory of 496	3760	qrinvwbw.pif	76
PID 3760 wrote to memory of 496	3760	qrinvwbw.pif	76
PID 496 wrote to memory of 3216	496	RegSvcs.exe	77
PID 496 wrote to memory of 3216	496	RegSvcs.exe	77
PID 496 wrote to memory of 3216	496	RegSvcs.exe	77
PID 496 wrote to memory of 476	496	RegSvcs.exe	79
PID 496 wrote to memory of 476	496	RegSvcs.exe	79
PID 496 wrote to memory of 476	496	RegSvcs.exe	79

Executes dropped EXE 1 IoCs

pid	Process
3760	qrinvwbw.pif

Adds Run entry to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	qrinvwbw.pif
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WindowsUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\50783558\\qrinvwbw.pif C:\\Users\\Admin\\AppData\\Roaming\\50783558\\lnnufwq.ebp"	qrinvwbw.pif
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DDP Subsystem = "C:\\Program Files (x86)\\DDP Subsystem\\ddpss.exe"	RegSvcs.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	RegSvcs.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\DDP Subsystem\ddpss.exe	RegSvcs.exe
File created	C:\Program Files (x86)\DDP Subsystem\ddpss.exe	RegSvcs.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

pid	Process
3216	schtasks.exe
476	schtasks.exe

Suspicious behavior: EnumeratesProcesses 21 IoCs

pid	Process
3760	qrinvwbw.pif
3760	qrinvwbw.pif
3760	qrinvwbw.pif
3760	qrinvwbw.pif
3760	qrinvwbw.pif
3760	qrinvwbw.pif
3760	qrinvwbw.pif
3760	qrinvwbw.pif
3760	qrinvwbw.pif
3760	qrinvwbw.pif
3760	qrinvwbw.pif
3760	qrinvwbw.pif
3760	qrinvwbw.pif
3760	qrinvwbw.pif
496	RegSvcs.exe
496	RegSvcs.exe
496	RegSvcs.exe
496	RegSvcs.exe
496	RegSvcs.exe
496	RegSvcs.exe
496	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3760 set thread context of 496	3760	qrinvwbw.pif	76

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	496	RegSvcs.exe
Token: SeDebugPrivilege	496	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
496	RegSvcs.exe

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore
Disables Task Manager via registry modification
evasion

C:\Users\Admin\AppData\Local\Temp\FILE.exe
"C:\Users\Admin\AppData\Local\Temp\FILE.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2944
- C:\Users\Admin\AppData\Roaming\50783558\qrinvwbw.pif
  "C:\Users\Admin\AppData\Roaming\50783558\qrinvwbw.pif" lnnufwq.ebp
  2⤵
  - Suspicious use of WriteProcessMemory
  - Executes dropped EXE
  - Adds Run entry to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetThreadContext
  PID:3760
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\SysWOW64\mshta.exe"
    3⤵
    PID:3824
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\SysWOW64\mshta.exe"
    3⤵
    PID:4016
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\SysWOW64\mshta.exe"
    3⤵
    PID:2464
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\SysWOW64\mshta.exe"
    3⤵
    PID:692
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\SysWOW64\mshta.exe"
    3⤵
    PID:1752
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\SysWOW64\mshta.exe"
    3⤵
    PID:3892
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\SysWOW64\mshta.exe"
    3⤵
    PID:3900
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    - Adds Run entry to start application
    - Checks whether UAC is enabled
    - Drops file in Program Files directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious behavior: GetForegroundWindowSpam
    PID:496
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "DDP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9C89.tmp"
      4⤵
      Creates scheduled task(s)
      PID:3216
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "DDP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9D17.tmp"
      4⤵
      Creates scheduled task(s)
      PID:476

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/496-13-0x0000000000D10000-0x00000000012BD000-memory.dmp

Filesize
5.7MB

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