nanocore | ef7e5697201c1bf2fb0525850f6061b3496f11d1f2f2145c6f52faf6a733c644

General

Target
94fe78e5d74e40227e952001048333c2.exe
Size 957KB
Sample220822-sk6ekshecq
SHA256 ef7e5697201c1bf2fb0525850f6061b3496f11d1f2f2145c6f52faf6a733c644
MD5 94fe78e5d74e40227e952001048333c2
SHA1 abfdc02472adc035d4bef3b38c37210a33b51770
SHA512 ac647e749d98e011987b89cfcd087f048ea69aaa0bac90e410670fb30e4737852a3266f00d944f79cc3df50a2c8c28b2158a75e62c0e9ebd743d499d70ecff51
MD5 SHA1 SHA512

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

jasonbourne.bounceme.net:4032
127.0.0.1:4032

Mutex

b722afc5-f888-4b8f-b8ba-c8145a899107

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-05-14T22:05:32.896588136Z
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
true
clear_zone_identifier
false
connect_delay
4000
connection_port
4032
default_group
Jason bourne
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
b722afc5-f888-4b8f-b8ba-c8145a899107
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
jasonbourne.bounceme.net
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
false
set_critical_process
true
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

Adds Run key to start application 2 TTPs 1 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\DDP Host = "C:\\Program Files (x86)\\DDP Host\\ddphost.exe"	94fe78e5d74e40227e952001048333c2.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	94fe78e5d74e40227e952001048333c2.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2112 set thread context of 4360	2112	94fe78e5d74e40227e952001048333c2.exe	88

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DDP Host\ddphost.exe	94fe78e5d74e40227e952001048333c2.exe
File opened for modification	C:\Program Files (x86)\DDP Host\ddphost.exe	94fe78e5d74e40227e952001048333c2.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
4420	schtasks.exe
708	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4360	94fe78e5d74e40227e952001048333c2.exe
4360	94fe78e5d74e40227e952001048333c2.exe
4360	94fe78e5d74e40227e952001048333c2.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4360	94fe78e5d74e40227e952001048333c2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4360	94fe78e5d74e40227e952001048333c2.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 4360	2112	94fe78e5d74e40227e952001048333c2.exe	88
PID 2112 wrote to memory of 4360	2112	94fe78e5d74e40227e952001048333c2.exe	88
PID 2112 wrote to memory of 4360	2112	94fe78e5d74e40227e952001048333c2.exe	88
PID 2112 wrote to memory of 4360	2112	94fe78e5d74e40227e952001048333c2.exe	88
PID 2112 wrote to memory of 4360	2112	94fe78e5d74e40227e952001048333c2.exe	88
PID 2112 wrote to memory of 4360	2112	94fe78e5d74e40227e952001048333c2.exe	88
PID 2112 wrote to memory of 4360	2112	94fe78e5d74e40227e952001048333c2.exe	88
PID 2112 wrote to memory of 4360	2112	94fe78e5d74e40227e952001048333c2.exe	88
PID 4360 wrote to memory of 708	4360	94fe78e5d74e40227e952001048333c2.exe	89
PID 4360 wrote to memory of 708	4360	94fe78e5d74e40227e952001048333c2.exe	89
PID 4360 wrote to memory of 708	4360	94fe78e5d74e40227e952001048333c2.exe	89
PID 4360 wrote to memory of 4420	4360	94fe78e5d74e40227e952001048333c2.exe	91
PID 4360 wrote to memory of 4420	4360	94fe78e5d74e40227e952001048333c2.exe	91
PID 4360 wrote to memory of 4420	4360	94fe78e5d74e40227e952001048333c2.exe	91

C:\Users\Admin\AppData\Local\Temp\94fe78e5d74e40227e952001048333c2.exe
"C:\Users\Admin\AppData\Local\Temp\94fe78e5d74e40227e952001048333c2.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Users\Admin\AppData\Local\Temp\94fe78e5d74e40227e952001048333c2.exe
  "C:\Users\Admin\AppData\Local\Temp\94fe78e5d74e40227e952001048333c2.exe"
  2⤵
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4360
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DDP Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2DE6.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:708
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DDP Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2E83.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:4420

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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tmp2DE6.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp2DE6.tmp
Size 1KB
SHA256 38412b0f35bd98d64702bdf31ced6e1f1a699003266bfb065f5e46d0bf4013b7
MD5 0025961670549b9d7ef90c36493d0ee6
SHA1 c8c31261a64f94324bc8131192d1800237ab3d0c
SHA512 352f713e2f0f1d2146c5746442bac06496bdbb1cf3200f82547bfec83164d36404f309550c1aa10aaf27b483ecb8d11234fbea13cd4afd60a2967f408ec8385a
MD5 SHA1 SHA512

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tmp2E83.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp2E83.tmp
Size 1KB
SHA256 7aba66abbcb0b13455609174db23aed495a9adbef0e0acd28baa9c92445eda68
MD5 2271642ca970891700e3f48439739ed8
SHA1 cd472df2349f7db9e1e460d0ee28acd97b8a8793
SHA512 4669a4ef8ec28cdb852ffc1401576b1bf9a9d837797d7d92bc88c18b3097404f36854e50167b309706fef400cabc43c876569ce2797ba85eb169a2783b8fe807
MD5 SHA1 SHA512

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memory/2112-132-0x0000000000B60000-0x0000000000C56000-memory.dmp

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memory/2112-133-0x0000000005B20000-0x00000000060C4000-memory.dmp

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memory/2112-134-0x0000000005610000-0x00000000056A2000-memory.dmp

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memory/2112-135-0x00000000057C0000-0x00000000057CA000-memory.dmp

Download

memory/2112-136-0x0000000007D00000-0x0000000007D9C000-memory.dmp

Download

memory/4360-138-0x0000000000400000-0x0000000000438000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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