nanocore | 23005e23c85ef953237d9107f4542a08afc83f4d921191b78cc983f7aebfea21

Analysis

max time kernel
135s
max time network
150s
platform
windows7_x64
resource
win7v200430
submitted
13/07/2020, 11:52

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General

Target
Current order.exe
Size 1.1MB
Sample200713-5bk1p14nmj
SHA256 23005e23c85ef953237d9107f4542a08afc83f4d921191b78cc983f7aebfea21
MD5 27b836d8ffb8c25b6d9d57cc32dbb3c8
SHA1 f355283de158beefa00973c23b6f56d79e09696e
SHA512 930728afb75f1a75bb1ecdb9fad55025ca9f8994e684ec86c0261c908a96e55de58e446fbeabcdbf25fbda1e73cc6b91dedcabe53d18bec84cff6b188b658817
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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 732 set thread context of 1832	732	pqfxemrlkj.pif	34

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1832	RegSvcs.exe

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	pqfxemrlkj.pif
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WindowsUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\57762478\\PQFXEM~1.PIF C:\\Users\\Admin\\AppData\\Local\\Temp\\57762478\\dcqf.neo"	pqfxemrlkj.pif
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WPA Service = "C:\\Program Files (x86)\\WPA Service\\wpasvc.exe"	RegSvcs.exe

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

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 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

Loads dropped DLL 4 IoCs

pid	Process
1100	Current order.exe
1100	Current order.exe
1100	Current order.exe
1100	Current order.exe

Suspicious use of WriteProcessMemory 49 IoCs

description	pid	Process	procid_target
PID 1100 wrote to memory of 732	1100	Current order.exe	24
PID 1100 wrote to memory of 732	1100	Current order.exe	24
PID 1100 wrote to memory of 732	1100	Current order.exe	24
PID 1100 wrote to memory of 732	1100	Current order.exe	24
PID 732 wrote to memory of 1496	732	pqfxemrlkj.pif	25
PID 732 wrote to memory of 1496	732	pqfxemrlkj.pif	25
PID 732 wrote to memory of 1496	732	pqfxemrlkj.pif	25
PID 732 wrote to memory of 1496	732	pqfxemrlkj.pif	25
PID 732 wrote to memory of 1660	732	pqfxemrlkj.pif	26
PID 732 wrote to memory of 1660	732	pqfxemrlkj.pif	26
PID 732 wrote to memory of 1660	732	pqfxemrlkj.pif	26
PID 732 wrote to memory of 1660	732	pqfxemrlkj.pif	26
PID 732 wrote to memory of 1224	732	pqfxemrlkj.pif	27
PID 732 wrote to memory of 1224	732	pqfxemrlkj.pif	27
PID 732 wrote to memory of 1224	732	pqfxemrlkj.pif	27
PID 732 wrote to memory of 1224	732	pqfxemrlkj.pif	27
PID 732 wrote to memory of 1800	732	pqfxemrlkj.pif	28
PID 732 wrote to memory of 1800	732	pqfxemrlkj.pif	28
PID 732 wrote to memory of 1800	732	pqfxemrlkj.pif	28
PID 732 wrote to memory of 1800	732	pqfxemrlkj.pif	28
PID 732 wrote to memory of 268	732	pqfxemrlkj.pif	29
PID 732 wrote to memory of 268	732	pqfxemrlkj.pif	29
PID 732 wrote to memory of 268	732	pqfxemrlkj.pif	29
PID 732 wrote to memory of 268	732	pqfxemrlkj.pif	29
PID 732 wrote to memory of 788	732	pqfxemrlkj.pif	32
PID 732 wrote to memory of 788	732	pqfxemrlkj.pif	32
PID 732 wrote to memory of 788	732	pqfxemrlkj.pif	32
PID 732 wrote to memory of 788	732	pqfxemrlkj.pif	32
PID 732 wrote to memory of 1856	732	pqfxemrlkj.pif	33
PID 732 wrote to memory of 1856	732	pqfxemrlkj.pif	33
PID 732 wrote to memory of 1856	732	pqfxemrlkj.pif	33
PID 732 wrote to memory of 1856	732	pqfxemrlkj.pif	33
PID 732 wrote to memory of 1832	732	pqfxemrlkj.pif	34
PID 732 wrote to memory of 1832	732	pqfxemrlkj.pif	34
PID 732 wrote to memory of 1832	732	pqfxemrlkj.pif	34
PID 732 wrote to memory of 1832	732	pqfxemrlkj.pif	34
PID 732 wrote to memory of 1832	732	pqfxemrlkj.pif	34
PID 732 wrote to memory of 1832	732	pqfxemrlkj.pif	34
PID 732 wrote to memory of 1832	732	pqfxemrlkj.pif	34
PID 732 wrote to memory of 1832	732	pqfxemrlkj.pif	34
PID 732 wrote to memory of 1832	732	pqfxemrlkj.pif	34
PID 1832 wrote to memory of 1896	1832	RegSvcs.exe	35
PID 1832 wrote to memory of 1896	1832	RegSvcs.exe	35
PID 1832 wrote to memory of 1896	1832	RegSvcs.exe	35
PID 1832 wrote to memory of 1896	1832	RegSvcs.exe	35
PID 1832 wrote to memory of 576	1832	RegSvcs.exe	37
PID 1832 wrote to memory of 576	1832	RegSvcs.exe	37
PID 1832 wrote to memory of 576	1832	RegSvcs.exe	37
PID 1832 wrote to memory of 576	1832	RegSvcs.exe	37

Executes dropped EXE 1 IoCs

pid	Process
732	pqfxemrlkj.pif

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
732	pqfxemrlkj.pif
732	pqfxemrlkj.pif
732	pqfxemrlkj.pif
732	pqfxemrlkj.pif
732	pqfxemrlkj.pif
732	pqfxemrlkj.pif
732	pqfxemrlkj.pif
1832	RegSvcs.exe
1832	RegSvcs.exe
1832	RegSvcs.exe
1832	RegSvcs.exe
1832	RegSvcs.exe
1832	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1832	RegSvcs.exe
Token: SeDebugPrivilege	1832	RegSvcs.exe

Disables Task Manager via registry modification
evasion

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
1896	schtasks.exe
576	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\Current order.exe
"C:\Users\Admin\AppData\Local\Temp\Current order.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1100
- C:\Users\Admin\AppData\Local\Temp\57762478\pqfxemrlkj.pif
  "C:\Users\Admin\AppData\Local\Temp\57762478\pqfxemrlkj.pif" dcqf.neo
  2⤵
  - Suspicious use of SetThreadContext
  - Adds Run entry to start application
  - Suspicious use of WriteProcessMemory
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  PID:732
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\SysWOW64\mshta.exe"
    3⤵
    PID:1496
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\SysWOW64\mshta.exe"
    3⤵
    PID:1660
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\SysWOW64\mshta.exe"
    3⤵
    PID:1224
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\SysWOW64\mshta.exe"
    3⤵
    PID:1800
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\SysWOW64\mshta.exe"
    3⤵
    PID:268
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\SysWOW64\mshta.exe"
    3⤵
    PID:788
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\SysWOW64\mshta.exe"
    3⤵
    PID:1856
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Adds Run entry to start application
    - Checks whether UAC is enabled
    - Drops file in Program Files directory
    - Suspicious use of WriteProcessMemory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1832
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "WPA Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2A3A.tmp"
      4⤵
      Creates scheduled task(s)
      PID:1896
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "WPA Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2C2F.tmp"
      4⤵
      Creates scheduled task(s)
      PID:576

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/732-15-0x0000000004050000-0x00000000041C9000-memory.dmp

Download

memory/1832-18-0x0000000000460000-0x0000000000AD8000-memory.dmp

Download

memory/1832-21-0x0000000000460000-0x0000000000AD8000-memory.dmp

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memory/1832-20-0x0000000000460000-0x0000000000AD8000-memory.dmp

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