nanocore | 23005e23c85ef953237d9107f4542a08afc83f4d921191b78cc983f7aebfea21

Analysis

max time kernel
146s
max time network
149s
platform
windows10_x64
resource
win10
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

persistence keylogger trojan stealer spyware nanocore evasion

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
PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTE2Ij8+DQo8VGFzayB2ZXJzaW9uPSIxLjIiIHhtbG5zPSJodHRwOi8vc2NoZW1hcy5taWNyb3NvZnQuY29tL3dpbmRvd3MvMjAwNC8wMi9taXQvdGFzayI+DQogIDxSZWdpc3RyYXRpb25JbmZvIC8+DQogIDxUcmlnZ2VycyAvPg0KICA8UHJpbmNpcGFscz4NCiAgICA8UHJpbmNpcGFsIGlkPSJBdXRob3IiPg0KICAgICAgPExvZ29uVHlwZT5JbnRlcmFjdGl2ZVRva2VuPC9Mb2dvblR5cGU+DQogICAgICA8UnVuTGV2ZWw+SGlnaGVzdEF2YWlsYWJsZTwvUnVuTGV2ZWw+DQogICAgPC9QcmluY2lwYWw+DQogIDwvUHJpbmNpcGFscz4NCiAgPFNldHRpbmdzPg0KICAgIDxNdWx0aXBsZUluc3RhbmNlc1BvbGljeT5QYXJhbGxlbDwvTXVsdGlwbGVJbnN0YW5jZXNQb2xpY3k+DQogICAgPERpc2FsbG93U3RhcnRJZk9uQmF0dGVyaWVzPmZhbHNlPC9EaXNhbGxvd1N0YXJ0SWZPbkJhdHRlcmllcz4NCiAgICA8U3RvcElmR29pbmdPbkJhdHRlcmllcz5mYWxzZTwvU3RvcElmR29pbmdPbkJhdHRlcmllcz4NCiAgICA8QWxsb3dIYXJkVGVybWluYXRlPnRydWU8L0FsbG93SGFyZFRlcm1pbmF0ZT4NCiAgICA8U3RhcnRXaGVuQXZhaWxhYmxlPmZhbHNlPC9TdGFydFdoZW5BdmFpbGFibGU+DQogICAgPFJ1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+ZmFsc2U8L1J1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+DQogICAgPElkbGVTZXR0aW5ncz4NCiAgICAgIDxTdG9wT25JZGxlRW5kPmZhbHNlPC9TdG9wT25JZGxlRW5kPg0KICAgICAgPFJlc3RhcnRPbklkbGU+ZmFsc2U8L1Jlc3RhcnRPbklkbGU+DQogICAgPC9JZGxlU2V0dGluZ3M+DQogICAgPEFsbG93U3RhcnRPbkRlbWFuZD50cnVlPC9BbGxvd1N0YXJ0T25EZW1hbmQ+DQogICAgPEVuYWJsZWQ+dHJ1ZTwvRW5hYmxlZD4NCiAgICA8SGlkZGVuPmZhbHNlPC9IaWRkZW4+DQogICAgPFJ1bk9ubHlJZklkbGU+ZmFsc2U8L1J1bk9ubHlJZklkbGU+DQogICAgPFdha2VUb1J1bj5mYWxzZTwvV2FrZVRvUnVuPg0KICAgIDxFeGVjdXRpb25UaW1lTGltaXQ+UFQwUzwvRXhlY3V0aW9uVGltZUxpbWl0Pg0KICAgIDxQcmlvcml0eT40PC9Qcmlvcml0eT4NCiAgPC9TZXR0aW5ncz4NCiAgPEFjdGlvbnMgQ29udGV4dD0iQXV0aG9yIj4NCiAgICA8RXhlYz4NCiAgICAgIDxDb21tYW5kPiIjRVhFQ1VUQUJMRVBBVEgiPC9Db21tYW5kPg0KICAgICAgPEFyZ3VtZW50cz4kKEFyZzApPC9Bcmd1bWVudHM+DQogICAgPC9FeGVjPg0KICA8L0FjdGlvbnM+DQo8L1Rhc2s+
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

Executes dropped EXE 1 IoCs

pid	Process
3600	pqfxemrlkj.pif

Suspicious behavior: EnumeratesProcesses 21 IoCs

pid	Process
3600	pqfxemrlkj.pif
3600	pqfxemrlkj.pif
3600	pqfxemrlkj.pif
3600	pqfxemrlkj.pif
3600	pqfxemrlkj.pif
3600	pqfxemrlkj.pif
3600	pqfxemrlkj.pif
3600	pqfxemrlkj.pif
3600	pqfxemrlkj.pif
3600	pqfxemrlkj.pif
3600	pqfxemrlkj.pif
3600	pqfxemrlkj.pif
3600	pqfxemrlkj.pif
3600	pqfxemrlkj.pif
3932	RegSvcs.exe
3932	RegSvcs.exe
3932	RegSvcs.exe
3932	RegSvcs.exe
3932	RegSvcs.exe
3932	RegSvcs.exe
3932	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3600 set thread context of 3932	3600	pqfxemrlkj.pif	76

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3932	RegSvcs.exe
Token: SeDebugPrivilege	3932	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3932	RegSvcs.exe

Disables Task Manager via registry modification
evasion

Suspicious use of WriteProcessMemory 35 IoCs

description	pid	Process	procid_target
PID 3100 wrote to memory of 3600	3100	Current order.exe	67
PID 3100 wrote to memory of 3600	3100	Current order.exe	67
PID 3100 wrote to memory of 3600	3100	Current order.exe	67
PID 3600 wrote to memory of 2332	3600	pqfxemrlkj.pif	69
PID 3600 wrote to memory of 2332	3600	pqfxemrlkj.pif	69
PID 3600 wrote to memory of 2332	3600	pqfxemrlkj.pif	69
PID 3600 wrote to memory of 3984	3600	pqfxemrlkj.pif	70
PID 3600 wrote to memory of 3984	3600	pqfxemrlkj.pif	70
PID 3600 wrote to memory of 3984	3600	pqfxemrlkj.pif	70
PID 3600 wrote to memory of 3076	3600	pqfxemrlkj.pif	71
PID 3600 wrote to memory of 3076	3600	pqfxemrlkj.pif	71
PID 3600 wrote to memory of 3076	3600	pqfxemrlkj.pif	71
PID 3600 wrote to memory of 3764	3600	pqfxemrlkj.pif	72
PID 3600 wrote to memory of 3764	3600	pqfxemrlkj.pif	72
PID 3600 wrote to memory of 3764	3600	pqfxemrlkj.pif	72
PID 3600 wrote to memory of 8	3600	pqfxemrlkj.pif	73
PID 3600 wrote to memory of 8	3600	pqfxemrlkj.pif	73
PID 3600 wrote to memory of 8	3600	pqfxemrlkj.pif	73
PID 3600 wrote to memory of 3852	3600	pqfxemrlkj.pif	74
PID 3600 wrote to memory of 3852	3600	pqfxemrlkj.pif	74
PID 3600 wrote to memory of 3852	3600	pqfxemrlkj.pif	74
PID 3600 wrote to memory of 3844	3600	pqfxemrlkj.pif	75
PID 3600 wrote to memory of 3844	3600	pqfxemrlkj.pif	75
PID 3600 wrote to memory of 3844	3600	pqfxemrlkj.pif	75
PID 3600 wrote to memory of 3932	3600	pqfxemrlkj.pif	76
PID 3600 wrote to memory of 3932	3600	pqfxemrlkj.pif	76
PID 3600 wrote to memory of 3932	3600	pqfxemrlkj.pif	76
PID 3600 wrote to memory of 3932	3600	pqfxemrlkj.pif	76
PID 3600 wrote to memory of 3932	3600	pqfxemrlkj.pif	76
PID 3932 wrote to memory of 3848	3932	RegSvcs.exe	77
PID 3932 wrote to memory of 3848	3932	RegSvcs.exe	77
PID 3932 wrote to memory of 3848	3932	RegSvcs.exe	77
PID 3932 wrote to memory of 648	3932	RegSvcs.exe	79
PID 3932 wrote to memory of 648	3932	RegSvcs.exe	79
PID 3932 wrote to memory of 648	3932	RegSvcs.exe	79

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)\DDP Subsystem\ddpss.exe	RegSvcs.exe
File opened for modification	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
3848	schtasks.exe
648	schtasks.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\DDP Subsystem = "C:\\Program Files (x86)\\DDP Subsystem\\ddpss.exe"	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Current order.exe
"C:\Users\Admin\AppData\Local\Temp\Current order.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3100
- C:\Users\Admin\AppData\Local\Temp\57762478\pqfxemrlkj.pif
  "C:\Users\Admin\AppData\Local\Temp\57762478\pqfxemrlkj.pif" dcqf.neo
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  - Adds Run entry to start application
  PID:3600
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\SysWOW64\mshta.exe"
    3⤵
    PID:2332
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\SysWOW64\mshta.exe"
    3⤵
    PID:3984
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\SysWOW64\mshta.exe"
    3⤵
    PID:3076
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\SysWOW64\mshta.exe"
    3⤵
    PID:3764
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\SysWOW64\mshta.exe"
    3⤵
    PID:8
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\SysWOW64\mshta.exe"
    3⤵
    PID:3852
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\SysWOW64\mshta.exe"
    3⤵
    PID:3844
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of WriteProcessMemory
    - Checks whether UAC is enabled
    - Drops file in Program Files directory
    - Adds Run entry to start application
    PID:3932
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "DDP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp998B.tmp"
      4⤵
      Creates scheduled task(s)
      PID:3848
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "DDP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9A19.tmp"
      4⤵
      Creates scheduled task(s)
      PID:648

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/3932-13-0x0000000000900000-0x0000000001051000-memory.dmp

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