nanocore | d4033853aaf8943cc42925d689bf1693c629faa668cdf79469d64a04a2c28250

Analysis

max time kernel
164s
max time network
178s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
10/12/2022, 08:53

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General

Target
Payment transfer copy.exe
Size 970KB
Sample221210-ktbbssaa4s
SHA256 d4033853aaf8943cc42925d689bf1693c629faa668cdf79469d64a04a2c28250
MD5 c9a0be18b88fd741fe6328f4796e6047
SHA1 f748569d8abc4f63ba2e13e61221b6f539340f13
SHA512 b61bc8fb1a83626fb0852de19dcef1fffae76ff1085216400f31178b7a6479ca738f6bb2ca9b8871f0bded0bdd9aba65d25e74521eec212f4460772f99bb57d3
SSDEEP 24576:HG4kl98D7duOMscbOa91hgGAQPphZmBH8:tk38D7dupbbdyuhSH
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

zafar101.duckdns.org:8779

Mutex

f3e2761c-8ffb-415b-b6b5-024a2ef9ff3e

Attributes

activate_away_mode
true
backup_connection_host
zafar101.duckdns.org
backup_dns_server
zafar101.duckdns.org
buffer_size
65535
build_time
2022-08-13T10:33:19.772981836Z
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
8779
default_group
Default
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
f3e2761c-8ffb-415b-b6b5-024a2ef9ff3e
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
zafar101.duckdns.org
primary_dns_server
zafar101.duckdns.org
request_elevation
false
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\NTFS Monitor = "C:\\Program Files (x86)\\NTFS Monitor\\ntfsmon.exe"	Payment transfer copy.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	Payment transfer copy.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1056 set thread context of 468	1056	Payment transfer copy.exe	28

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\NTFS Monitor\ntfsmon.exe	Payment transfer copy.exe
File created	C:\Program Files (x86)\NTFS Monitor\ntfsmon.exe	Payment transfer copy.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
2016	schtasks.exe
316	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
468	Payment transfer copy.exe
468	Payment transfer copy.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
468	Payment transfer copy.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	468	Payment transfer copy.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1056 wrote to memory of 468	1056	Payment transfer copy.exe	28
PID 1056 wrote to memory of 468	1056	Payment transfer copy.exe	28
PID 1056 wrote to memory of 468	1056	Payment transfer copy.exe	28
PID 1056 wrote to memory of 468	1056	Payment transfer copy.exe	28
PID 1056 wrote to memory of 468	1056	Payment transfer copy.exe	28
PID 1056 wrote to memory of 468	1056	Payment transfer copy.exe	28
PID 1056 wrote to memory of 468	1056	Payment transfer copy.exe	28
PID 1056 wrote to memory of 468	1056	Payment transfer copy.exe	28
PID 1056 wrote to memory of 468	1056	Payment transfer copy.exe	28
PID 468 wrote to memory of 316	468	Payment transfer copy.exe	29
PID 468 wrote to memory of 316	468	Payment transfer copy.exe	29
PID 468 wrote to memory of 316	468	Payment transfer copy.exe	29
PID 468 wrote to memory of 316	468	Payment transfer copy.exe	29
PID 468 wrote to memory of 2016	468	Payment transfer copy.exe	31
PID 468 wrote to memory of 2016	468	Payment transfer copy.exe	31
PID 468 wrote to memory of 2016	468	Payment transfer copy.exe	31
PID 468 wrote to memory of 2016	468	Payment transfer copy.exe	31

C:\Users\Admin\AppData\Local\Temp\Payment transfer copy.exe
"C:\Users\Admin\AppData\Local\Temp\Payment transfer copy.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1056
- C:\Users\Admin\AppData\Local\Temp\Payment transfer copy.exe
  "C:\Users\Admin\AppData\Local\Temp\Payment transfer copy.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:468
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "NTFS Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2EFD.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:316
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "NTFS Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp3065.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:2016

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

tmp2EFD.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp2EFD.tmp
Size 1KB
SHA256 ae15f12190014bc51657560c96dcc6f6e884d3439cceddd8d570eb77f4035254
MD5 b335af84ae9d369d113ffc1acc73066e
SHA1 e4cf6fdff1f35ecd32772140decb4c5f2e9f15f5
SHA512 ed4d625d53c7189b955dffc156da4ff75583458f63d4b6ee606d1e6a4793db83f48da1eeea95a9f729d5d820b1805905300bcc8f24fd1c7963cfeed451fb63e1
MD5 SHA1 SHA512

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tmp3065.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp3065.tmp
Size 1KB
SHA256 11ae277dfa39e7038b782ca6557339e7fe88533fe83705c356a1500a1402d527
MD5 981e126601526eaa5b0ad45c496c4465
SHA1 d610d6a21a8420cc73fcd3e54ddae75a5897b28b
SHA512 a59fb704d931ccb7e1ec1a7b98e24ccd8708be529066c6de4b673098cdebef539f7f50d9e051c43954b5a8e7f810862b3a4ede170f131e080dadc3e763ed4bdb
MD5 SHA1 SHA512

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memory/468-66-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/468-69-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/468-79-0x00000000004A0000-0x00000000004AA000-memory.dmp

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memory/468-60-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/468-61-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/468-63-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/468-64-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/468-78-0x0000000000480000-0x000000000049E000-memory.dmp

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memory/468-77-0x0000000000470000-0x000000000047A000-memory.dmp

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memory/468-71-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1056-57-0x00000000003A0000-0x00000000003AE000-memory.dmp

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memory/1056-56-0x0000000000370000-0x0000000000392000-memory.dmp

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memory/1056-55-0x0000000075E31000-0x0000000075E33000-memory.dmp

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memory/1056-58-0x0000000004FD0000-0x0000000005044000-memory.dmp

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memory/1056-54-0x0000000001020000-0x0000000001118000-memory.dmp

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memory/1056-59-0x00000000004D0000-0x000000000050A000-memory.dmp

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