nanocore | 77d760cbc868d24fe878d1ce3e4cf21313ca6d53bd0fbef077e13bf72956ef38

Analysis

max time kernel
91s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
15/09/2022, 07:43

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General

Target
44cde2b86b87340f5c5763ab0022ef73.exe
Size 1.0MB
Sample220915-jj9aeagack
SHA256 77d760cbc868d24fe878d1ce3e4cf21313ca6d53bd0fbef077e13bf72956ef38
MD5 44cde2b86b87340f5c5763ab0022ef73
SHA1 47fd9b36eae687d56f17b8bb51eece6a79f86b3b
SHA512 4a0b7644e7d7285e9e126342ee77ea104e0ee976d3d031290f77ffcc9b94273849cc8a800d6572807a5ecf003b00f23035fddae1fbaff8146e42f69742d650f2
SSDEEP 12288:2YYjUsV7uikFgpJlmvbRP0O9N4nLrApeT6zW0KqG57Gu6u2QRLom:/YAslubgp8RP8L0zzW0KqSbLom
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

tzitziklishop.ddns.net:1665

Mutex

1353b0ad-2499-432f-9b11-0b34111cc177

Attributes

activate_away_mode
true
backup_connection_host
tzitziklishop.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-06-10T06:52:34.128947636Z
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
1665
default_group
August
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
1353b0ad-2499-432f-9b11-0b34111cc177
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
tzitziklishop.ddns.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 Manager = "C:\\Program Files (x86)\\DDP Manager\\ddpmgr.exe"	44cde2b86b87340f5c5763ab0022ef73.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	44cde2b86b87340f5c5763ab0022ef73.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4780 set thread context of 3524	4780	44cde2b86b87340f5c5763ab0022ef73.exe	89

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DDP Manager\ddpmgr.exe	44cde2b86b87340f5c5763ab0022ef73.exe
File opened for modification	C:\Program Files (x86)\DDP Manager\ddpmgr.exe	44cde2b86b87340f5c5763ab0022ef73.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
3980	schtasks.exe
4324	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3524	44cde2b86b87340f5c5763ab0022ef73.exe
3524	44cde2b86b87340f5c5763ab0022ef73.exe
3524	44cde2b86b87340f5c5763ab0022ef73.exe
3524	44cde2b86b87340f5c5763ab0022ef73.exe
3524	44cde2b86b87340f5c5763ab0022ef73.exe
3524	44cde2b86b87340f5c5763ab0022ef73.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3524	44cde2b86b87340f5c5763ab0022ef73.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3524	44cde2b86b87340f5c5763ab0022ef73.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4780	44cde2b86b87340f5c5763ab0022ef73.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
4780	44cde2b86b87340f5c5763ab0022ef73.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4780 wrote to memory of 3524	4780	44cde2b86b87340f5c5763ab0022ef73.exe	89
PID 4780 wrote to memory of 3524	4780	44cde2b86b87340f5c5763ab0022ef73.exe	89
PID 4780 wrote to memory of 3524	4780	44cde2b86b87340f5c5763ab0022ef73.exe	89
PID 4780 wrote to memory of 3524	4780	44cde2b86b87340f5c5763ab0022ef73.exe	89
PID 4780 wrote to memory of 3524	4780	44cde2b86b87340f5c5763ab0022ef73.exe	89
PID 4780 wrote to memory of 3524	4780	44cde2b86b87340f5c5763ab0022ef73.exe	89
PID 4780 wrote to memory of 3524	4780	44cde2b86b87340f5c5763ab0022ef73.exe	89
PID 4780 wrote to memory of 3524	4780	44cde2b86b87340f5c5763ab0022ef73.exe	89
PID 3524 wrote to memory of 3980	3524	44cde2b86b87340f5c5763ab0022ef73.exe	90
PID 3524 wrote to memory of 3980	3524	44cde2b86b87340f5c5763ab0022ef73.exe	90
PID 3524 wrote to memory of 3980	3524	44cde2b86b87340f5c5763ab0022ef73.exe	90
PID 3524 wrote to memory of 4324	3524	44cde2b86b87340f5c5763ab0022ef73.exe	92
PID 3524 wrote to memory of 4324	3524	44cde2b86b87340f5c5763ab0022ef73.exe	92
PID 3524 wrote to memory of 4324	3524	44cde2b86b87340f5c5763ab0022ef73.exe	92

C:\Users\Admin\AppData\Local\Temp\44cde2b86b87340f5c5763ab0022ef73.exe
"C:\Users\Admin\AppData\Local\Temp\44cde2b86b87340f5c5763ab0022ef73.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4780
- C:\Users\Admin\AppData\Local\Temp\44cde2b86b87340f5c5763ab0022ef73.exe
  "C:\Users\Admin\AppData\Local\Temp\44cde2b86b87340f5c5763ab0022ef73.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:3524
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DDP Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9981.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:3980
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DDP Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9A8B.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:4324

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

tmp9981.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp9981.tmp
Size 1KB
SHA256 c24e5e0d8f977ec38f3a114944746b74d4f17f90170255c7c39f0e0749f66209
MD5 c9d53e538a7bf579e4b0f2e12c5acd20
SHA1 fc9645877fe0217474eecad236c01b85b64878a2
SHA512 112aab812861311d1d9710f20d3c4a8f6df6952b8d7783eb33f141368aef65d119cb84ac235b6cd1decb4e1ed7ebd1c340bd5aaa94ec6613a49affd4165307cf
MD5 SHA1 SHA512

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tmp9A8B.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp9A8B.tmp
Size 1KB
SHA256 8bcf16c788d228932fa707bb4250c05151e099bdf7040adc717e53680601be3d
MD5 677848190631e19222304d1982aa2e1b
SHA1 bed6cf97d3458e4ea59ff9823375d915a9b3d682
SHA512 f5d41e150011bc63f4c95799e21fe91ffaa25eb05f4ca46ea89f3a3ca5325413ba4e0b7b5d69c0bc189955f3308c4928016a7cc1d6f7c2352639106952e92b1e
MD5 SHA1 SHA512

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memory/3524-140-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/4780-135-0x0000000005A90000-0x0000000005A9A000-memory.dmp

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memory/4780-138-0x000000000A1A0000-0x000000000A206000-memory.dmp

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memory/4780-137-0x000000000A100000-0x000000000A19C000-memory.dmp

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memory/4780-136-0x0000000009990000-0x0000000009EBC000-memory.dmp

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memory/4780-132-0x0000000000E20000-0x0000000000F28000-memory.dmp

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memory/4780-134-0x00000000058D0000-0x0000000005962000-memory.dmp

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memory/4780-133-0x0000000005F40000-0x00000000064E4000-memory.dmp

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