nanocore | 38701fe4b63d1436ba2e26cc7e268327299b58bcccbf074bfb2cbbcf57ceb2ea

Analysis

max time kernel
147s
max time network
124s
platform
windows7_x64
resource
win7v200430
submitted
24/06/2020, 15:07

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General

Target
Scan2020-06-17_124920.pdf.scr
Size 1.1MB
Sample200624-b7we3bbdd2
SHA256 38701fe4b63d1436ba2e26cc7e268327299b58bcccbf074bfb2cbbcf57ceb2ea
MD5 e2a70ff4849f01d6e1fe57b4ffb46dd1
SHA1 a8ed7f1f391552de6e1b47b732f23049aa336ae2
SHA512 a52915115bfe8afc1d324460b75ec549661f2c098ee55b5e25b2717dd17476d575005f975f88da1e8d1801049dc490e9a7a90902a78109af78e4998746bb68e1
MD5 SHA1 SHA512

Score

10^/10

evasion persistence keylogger trojan stealer spyware nanocore

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

innocentbooii.hopto.org:55420
185.244.30.33:55420

Mutex

6e2b14a3-13ff-4b67-bea9-ff77b365fb80

Attributes

activate_away_mode
false
backup_connection_host
185.244.30.33
backup_dns_server
buffer_size
65535
build_time
2020-03-19T08:23:28.083062436Z
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
55420
default_group
Jboi$$$$
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
6e2b14a3-13ff-4b67-bea9-ff77b365fb80
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
innocentbooii.hopto.org
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
8003

Signatures

Disables Task Manager via registry modification
evasion

Adds Run entry to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WindowsUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\92363180\\MFUQUH~1.PIF C:\\Users\\Admin\\AppData\\Roaming\\92363180\\rgnlatt.cst"	mfuquhgor.pif
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WPA Service = "C:\\Program Files (x86)\\WPA Service\\wpasvc.exe"	RegSvcs.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	mfuquhgor.pif

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

Loads dropped DLL 4 IoCs

pid	Process
1008	Scan2020-06-17_124920.pdf.scr
1008	Scan2020-06-17_124920.pdf.scr
1008	Scan2020-06-17_124920.pdf.scr
1008	Scan2020-06-17_124920.pdf.scr

Executes dropped EXE 1 IoCs

pid	Process
1112	mfuquhgor.pif

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
1112	mfuquhgor.pif
1112	mfuquhgor.pif
1112	mfuquhgor.pif
1112	mfuquhgor.pif
1112	mfuquhgor.pif
1112	mfuquhgor.pif
1112	mfuquhgor.pif
1928	RegSvcs.exe
1928	RegSvcs.exe
1928	RegSvcs.exe
1928	RegSvcs.exe
1928	RegSvcs.exe
1928	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1112 set thread context of 1928	1112	mfuquhgor.pif	34

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1928	RegSvcs.exe
Token: SeDebugPrivilege	1928	RegSvcs.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\WPA Service\wpasvc.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\WPA Service\wpasvc.exe	RegSvcs.exe

Suspicious use of WriteProcessMemory 49 IoCs

description	pid	Process	procid_target
PID 1008 wrote to memory of 1112	1008	Scan2020-06-17_124920.pdf.scr	24
PID 1008 wrote to memory of 1112	1008	Scan2020-06-17_124920.pdf.scr	24
PID 1008 wrote to memory of 1112	1008	Scan2020-06-17_124920.pdf.scr	24
PID 1008 wrote to memory of 1112	1008	Scan2020-06-17_124920.pdf.scr	24
PID 1112 wrote to memory of 1840	1112	mfuquhgor.pif	25
PID 1112 wrote to memory of 1840	1112	mfuquhgor.pif	25
PID 1112 wrote to memory of 1840	1112	mfuquhgor.pif	25
PID 1112 wrote to memory of 1840	1112	mfuquhgor.pif	25
PID 1112 wrote to memory of 1788	1112	mfuquhgor.pif	26
PID 1112 wrote to memory of 1788	1112	mfuquhgor.pif	26
PID 1112 wrote to memory of 1788	1112	mfuquhgor.pif	26
PID 1112 wrote to memory of 1788	1112	mfuquhgor.pif	26
PID 1112 wrote to memory of 1116	1112	mfuquhgor.pif	29
PID 1112 wrote to memory of 1116	1112	mfuquhgor.pif	29
PID 1112 wrote to memory of 1116	1112	mfuquhgor.pif	29
PID 1112 wrote to memory of 1116	1112	mfuquhgor.pif	29
PID 1112 wrote to memory of 1632	1112	mfuquhgor.pif	30
PID 1112 wrote to memory of 1632	1112	mfuquhgor.pif	30
PID 1112 wrote to memory of 1632	1112	mfuquhgor.pif	30
PID 1112 wrote to memory of 1632	1112	mfuquhgor.pif	30
PID 1112 wrote to memory of 1612	1112	mfuquhgor.pif	31
PID 1112 wrote to memory of 1612	1112	mfuquhgor.pif	31
PID 1112 wrote to memory of 1612	1112	mfuquhgor.pif	31
PID 1112 wrote to memory of 1612	1112	mfuquhgor.pif	31
PID 1112 wrote to memory of 1628	1112	mfuquhgor.pif	32
PID 1112 wrote to memory of 1628	1112	mfuquhgor.pif	32
PID 1112 wrote to memory of 1628	1112	mfuquhgor.pif	32
PID 1112 wrote to memory of 1628	1112	mfuquhgor.pif	32
PID 1112 wrote to memory of 1560	1112	mfuquhgor.pif	33
PID 1112 wrote to memory of 1560	1112	mfuquhgor.pif	33
PID 1112 wrote to memory of 1560	1112	mfuquhgor.pif	33
PID 1112 wrote to memory of 1560	1112	mfuquhgor.pif	33
PID 1112 wrote to memory of 1928	1112	mfuquhgor.pif	34
PID 1112 wrote to memory of 1928	1112	mfuquhgor.pif	34
PID 1112 wrote to memory of 1928	1112	mfuquhgor.pif	34
PID 1112 wrote to memory of 1928	1112	mfuquhgor.pif	34
PID 1112 wrote to memory of 1928	1112	mfuquhgor.pif	34
PID 1112 wrote to memory of 1928	1112	mfuquhgor.pif	34
PID 1112 wrote to memory of 1928	1112	mfuquhgor.pif	34
PID 1112 wrote to memory of 1928	1112	mfuquhgor.pif	34
PID 1112 wrote to memory of 1928	1112	mfuquhgor.pif	34
PID 1928 wrote to memory of 1956	1928	RegSvcs.exe	35
PID 1928 wrote to memory of 1956	1928	RegSvcs.exe	35
PID 1928 wrote to memory of 1956	1928	RegSvcs.exe	35
PID 1928 wrote to memory of 1956	1928	RegSvcs.exe	35
PID 1928 wrote to memory of 1036	1928	RegSvcs.exe	37
PID 1928 wrote to memory of 1036	1928	RegSvcs.exe	37
PID 1928 wrote to memory of 1036	1928	RegSvcs.exe	37
PID 1928 wrote to memory of 1036	1928	RegSvcs.exe	37

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1928	RegSvcs.exe

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore

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
1956	schtasks.exe
1036	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\Scan2020-06-17_124920.pdf.scr
"C:\Users\Admin\AppData\Local\Temp\Scan2020-06-17_124920.pdf.scr" /S
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1008
- C:\Users\Admin\AppData\Roaming\92363180\mfuquhgor.pif
  "C:\Users\Admin\AppData\Roaming\92363180\mfuquhgor.pif" rgnlatt.cst
  2⤵
  - Adds Run entry to start application
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1112
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\SysWOW64\mshta.exe"
    3⤵
    PID:1840
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\SysWOW64\mshta.exe"
    3⤵
    PID:1788
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\SysWOW64\mshta.exe"
    3⤵
    PID:1116
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\SysWOW64\mshta.exe"
    3⤵
    PID:1632
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\SysWOW64\mshta.exe"
    3⤵
    PID:1612
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\SysWOW64\mshta.exe"
    3⤵
    PID:1628
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\SysWOW64\mshta.exe"
    3⤵
    PID:1560
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Adds Run entry to start application
    - Checks whether UAC is enabled
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Drops file in Program Files directory
    - Suspicious use of WriteProcessMemory
    - Suspicious behavior: GetForegroundWindowSpam
    PID:1928
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "WPA Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp819D.tmp"
      4⤵
      Creates scheduled task(s)
      PID:1956
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "WPA Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp89C8.tmp"
      4⤵
      Creates scheduled task(s)
      PID:1036

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

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Downloads

memory/1112-15-0x0000000003DB0000-0x0000000003E2A000-memory.dmp

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memory/1928-18-0x0000000000350000-0x00000000009EF000-memory.dmp

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memory/1928-20-0x0000000000350000-0x00000000009EF000-memory.dmp

Download

memory/1928-21-0x0000000000350000-0x00000000009EF000-memory.dmp

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