nanocore | 28a6aa59b2f5be44746d1faa1eb9ff8adf8f3cf14fa6c62ef166cdbe15d2434c

General

Target
ENQUIRY2022July.exe
Size 651KB
Sample220708-bz81ksebc9
SHA256 28a6aa59b2f5be44746d1faa1eb9ff8adf8f3cf14fa6c62ef166cdbe15d2434c
MD5 adcc919f0757a3975ae6f7ea81da5bf6
SHA1 043145dae67b769e271948d61432044b6645f493
SHA512 a2202eb719d55e0583ce182551cfe529f5dc2614046a72c0faa19326c43950222029e76821469872c89f0f79135927fe9b3ededff28aa00bfb8a5e7e8c046eb1
MD5 SHA1 SHA512

Score

10^/10

nanocore evasion keylogger persistence spyware stealer suricata trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

104.144.69.159:54984

Mutex

606f9d89-eee0-4250-9361-ff60bb0280d5

Attributes

activate_away_mode
true
backup_connection_host
104.144.69.159
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-04-16T17:50:02.994015136Z
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
54984
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
606f9d89-eee0-4250-9361-ff60bb0280d5
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
104.144.69.159
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
suricata: ET MALWARE Possible NanoCore C2 60B
suricata: ET MALWARE Possible NanoCore C2 60B
suricata

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\SCSI Subsystem = "C:\\Program Files (x86)\\SCSI Subsystem\\scsiss.exe"	ENQUIRY2022July.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	ENQUIRY2022July.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2512 set thread context of 2484	2512	ENQUIRY2022July.exe	91

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\SCSI Subsystem\scsiss.exe	ENQUIRY2022July.exe
File opened for modification	C:\Program Files (x86)\SCSI Subsystem\scsiss.exe	ENQUIRY2022July.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
4788	schtasks.exe
2232	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2484	ENQUIRY2022July.exe
2484	ENQUIRY2022July.exe
2484	ENQUIRY2022July.exe
2484	ENQUIRY2022July.exe
2484	ENQUIRY2022July.exe
2484	ENQUIRY2022July.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2484	ENQUIRY2022July.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2484	ENQUIRY2022July.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2512 wrote to memory of 2484	2512	ENQUIRY2022July.exe	91
PID 2512 wrote to memory of 2484	2512	ENQUIRY2022July.exe	91
PID 2512 wrote to memory of 2484	2512	ENQUIRY2022July.exe	91
PID 2512 wrote to memory of 2484	2512	ENQUIRY2022July.exe	91
PID 2512 wrote to memory of 2484	2512	ENQUIRY2022July.exe	91
PID 2512 wrote to memory of 2484	2512	ENQUIRY2022July.exe	91
PID 2512 wrote to memory of 2484	2512	ENQUIRY2022July.exe	91
PID 2512 wrote to memory of 2484	2512	ENQUIRY2022July.exe	91
PID 2484 wrote to memory of 4788	2484	ENQUIRY2022July.exe	92
PID 2484 wrote to memory of 4788	2484	ENQUIRY2022July.exe	92
PID 2484 wrote to memory of 4788	2484	ENQUIRY2022July.exe	92
PID 2484 wrote to memory of 2232	2484	ENQUIRY2022July.exe	94
PID 2484 wrote to memory of 2232	2484	ENQUIRY2022July.exe	94
PID 2484 wrote to memory of 2232	2484	ENQUIRY2022July.exe	94

C:\Users\Admin\AppData\Local\Temp\ENQUIRY2022July.exe
"C:\Users\Admin\AppData\Local\Temp\ENQUIRY2022July.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2512
- C:\Users\Admin\AppData\Local\Temp\ENQUIRY2022July.exe
  "C:\Users\Admin\AppData\Local\Temp\ENQUIRY2022July.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:2484
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SCSI Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp24E8.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:4788
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SCSI Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp4C57.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:2232

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

Replay Monitor

Loading Replay Monitor...

Downloads

ENQUIRY2022July.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\ENQUIRY2022July.exe.log
Size 1KB
SHA256 555433299641100efeaaa819ca6c261d12dd9b265916606ce6644e8abda57b1f
MD5 2b66f4402c5eccd587ec481a4d8bcc6a
SHA1 3913c42aa261156684a1efd83f94c590412064b7
SHA512 3fa690b02e3a61255546a91bb48369616bc7bb69e4f846e0a8bdae60058be5aba40665fe1bdb6debc784c77efcf5d7a17b1f91691fb396cbf79ad36dd207a8cb
MD5 SHA1 SHA512

Submit Download

tmp4C57.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp4C57.tmp
Size 1KB
SHA256 8135c4e4eeaa741f752c0ab8f4ee33e3bb8a0cac5923812234f2e5177d50eb5b
MD5 bd110f9fc6c1a842f1d9b269010b0611
SHA1 ef71c062902602faef9b66dcd1cfc9fe5baaf389
SHA512 b8a7943a3126880b26407800bbdad5402c5b0e2aa106e7dbbb35d0cb145ca9de114401573a6aa66042a2e13674cfbcc2981d66b813f9b923fff5302210afba1f
MD5 SHA1 SHA512

Submit Download

memory/2484-137-0x0000000000400000-0x0000000000438000-memory.dmp

Download

memory/2512-130-0x0000000000D70000-0x0000000000E1A000-memory.dmp

Download

memory/2512-131-0x0000000005D30000-0x00000000062D4000-memory.dmp

Download

memory/2512-132-0x0000000005820000-0x00000000058B2000-memory.dmp

Download

memory/2512-133-0x00000000057C0000-0x00000000057CA000-memory.dmp

Download

memory/2512-134-0x00000000090C0000-0x000000000915C000-memory.dmp

Download

memory/2512-135-0x0000000001700000-0x0000000001766000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads