nanocore | 3dddb479a1240c5cfdc2636cdd8bc0ecd3d2e9da37a6b4d73e206a768cc24181

General

Target

Aracely Garcia CV.exe
Size

737KB
MD5

d6fb416238e7dda6a652dff249b01472
SHA1

2253ea8982baca59f53ab67f14ef85029472503a
SHA256

3dddb479a1240c5cfdc2636cdd8bc0ecd3d2e9da37a6b4d73e206a768cc24181
SHA512

d8224bb250d8ffca0c9f6f9cf77307ae3585cc8a6e60021807932fdc337a01f3f6c2f0e5d947efa181959009b0b2064d73515d75cc96087548b8b24843134598
SSDEEP

12288:qaSv2iNJ2iNjlylSx1qADqjJ5n7UXVuAaPNcOFNNWCMSYm1:qaW1j1tMjr8ZQJFNwCMvm1

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

brewsterchristophe.ddns.net:5899

194,147,5,75:5899

Mutex

b8aebc29-8c64-444f-99e6-dc4122e9bbfc

Attributes

activate_away_mode
true
backup_connection_host
194,147,5,75
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-04-29T03:26:40.572298236Z
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
5899
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
b8aebc29-8c64-444f-99e6-dc4122e9bbfc
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
brewsterchristophe.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

Processes:

Aracely Garcia CV.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\UDP Service = "C:\\Program Files (x86)\\UDP Service\\udpsv.exe"	Aracely Garcia CV.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

Aracely Garcia CV.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Aracely Garcia CV.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

Aracely Garcia CV.exe

description pid process target process

PID 1988 set thread context of 616 1988 Aracely Garcia CV.exe Aracely Garcia CV.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Aracely Garcia CV.exe

description	pid	process	target process
PID 1988 set thread context of 616	1988	Aracely Garcia CV.exe	Aracely Garcia CV.exe

Drops file in Program Files directory 2 IoCs

Processes:

Aracely Garcia CV.exe

description	ioc	process
File created	C:\Program Files (x86)\UDP Service\udpsv.exe	Aracely Garcia CV.exe
File opened for modification	C:\Program Files (x86)\UDP Service\udpsv.exe	Aracely Garcia CV.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid process

976 schtasks.exe
664 schtasks.exe
1420 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Aracely Garcia CV.exe

pid process

616 Aracely Garcia CV.exe
616 Aracely Garcia CV.exe
616 Aracely Garcia CV.exe
616 Aracely Garcia CV.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Aracely Garcia CV.exe

pid process

616 Aracely Garcia CV.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Aracely Garcia CV.exe

description pid process

Token: SeDebugPrivilege 616 Aracely Garcia CV.exe

pid	process
976	schtasks.exe
664	schtasks.exe
1420	schtasks.exe

pid	process
616	Aracely Garcia CV.exe
616	Aracely Garcia CV.exe
616	Aracely Garcia CV.exe
616	Aracely Garcia CV.exe

pid	process
616	Aracely Garcia CV.exe

description	pid	process
Token: SeDebugPrivilege	616	Aracely Garcia CV.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

Aracely Garcia CV.exeAracely Garcia CV.exe

description	pid	process	target process
PID 1988 wrote to memory of 976	1988	Aracely Garcia CV.exe	schtasks.exe
PID 1988 wrote to memory of 976	1988	Aracely Garcia CV.exe	schtasks.exe
PID 1988 wrote to memory of 976	1988	Aracely Garcia CV.exe	schtasks.exe
PID 1988 wrote to memory of 976	1988	Aracely Garcia CV.exe	schtasks.exe
PID 1988 wrote to memory of 616	1988	Aracely Garcia CV.exe	Aracely Garcia CV.exe
PID 1988 wrote to memory of 616	1988	Aracely Garcia CV.exe	Aracely Garcia CV.exe
PID 1988 wrote to memory of 616	1988	Aracely Garcia CV.exe	Aracely Garcia CV.exe
PID 1988 wrote to memory of 616	1988	Aracely Garcia CV.exe	Aracely Garcia CV.exe
PID 1988 wrote to memory of 616	1988	Aracely Garcia CV.exe	Aracely Garcia CV.exe
PID 1988 wrote to memory of 616	1988	Aracely Garcia CV.exe	Aracely Garcia CV.exe
PID 1988 wrote to memory of 616	1988	Aracely Garcia CV.exe	Aracely Garcia CV.exe
PID 1988 wrote to memory of 616	1988	Aracely Garcia CV.exe	Aracely Garcia CV.exe
PID 1988 wrote to memory of 616	1988	Aracely Garcia CV.exe	Aracely Garcia CV.exe
PID 616 wrote to memory of 664	616	Aracely Garcia CV.exe	schtasks.exe
PID 616 wrote to memory of 664	616	Aracely Garcia CV.exe	schtasks.exe
PID 616 wrote to memory of 664	616	Aracely Garcia CV.exe	schtasks.exe
PID 616 wrote to memory of 664	616	Aracely Garcia CV.exe	schtasks.exe
PID 616 wrote to memory of 1420	616	Aracely Garcia CV.exe	schtasks.exe
PID 616 wrote to memory of 1420	616	Aracely Garcia CV.exe	schtasks.exe
PID 616 wrote to memory of 1420	616	Aracely Garcia CV.exe	schtasks.exe
PID 616 wrote to memory of 1420	616	Aracely Garcia CV.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\Aracely Garcia CV.exe
"C:\Users\Admin\AppData\Local\Temp\Aracely Garcia CV.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1988

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xqwBGYKiN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2444.tmp"
2⤵
- Creates scheduled task(s)
PID:976

C:\Users\Admin\AppData\Local\Temp\Aracely Garcia CV.exe
"{path}"
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:616

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "UDP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2B65.tmp"
3⤵
- Creates scheduled task(s)
PID:664

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "UDP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2C31.tmp"
3⤵
- Creates scheduled task(s)
PID:1420

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp2444.tmp
Filesize
1KB

MD5
e3f564f13cb00b6dfd8d76ebb978a9b6

SHA1
9d32f5c49ced6ba23c0797704442727cc2c11cda

SHA256
88975f75f8fe628552ca8516c1324fae2c7aa2c790779bc363447e6cfc952d24

SHA512
c75b416921867103382fd2969dc92bcc585b08b2c5ffb3165fa6f0e2bd43569a6ebd561e15851817ee5e6d42b6081f51ac4591d91c525b396da6b0d755989baf

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2B65.tmp
Filesize
1KB

MD5
329d35dccb1aac0a6380babc568d824d

SHA1
faab4a6470cbf9d33367f858290906f59ca8d746

SHA256
552c04982ebb6f62ef86431d9b7deb77a5367699b71c83da0714eb81089e8996

SHA512
382ff28037ea97bed099d5c01f52f09bc5f563e166d2d5c669656944fdb658dbdb40857df8b69711e4fe0a9ccd750641de31f52e4d1166e41463a24d29aee321

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2C31.tmp
Filesize
1KB

MD5
0a24db62cb5b84309c4803346caaa25d

SHA1
67660778f61bb44168c33ed3fe56ed86cf9583e8

SHA256
38d38647af394a04ee6add9f05c43244f04e64a6b96257f4b241a5038efa82df

SHA512
d25d9df063f44595d5e0bf890755bd387655131ff369eeedf3d11ffcc6202ca4455bbb33a8a926dd06839cbd1ddec3d06809b3c66a82c6518aa14beaa469a548

Download Submit
memory/616-62-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/616-92-0x00000000048F0000-0x0000000004904000-memory.dmp

Filesize
80KB

Download
memory/616-91-0x00000000047C0000-0x00000000047EE000-memory.dmp

Filesize
184KB

Download
memory/616-90-0x00000000021E0000-0x00000000021EE000-memory.dmp

Filesize
56KB

Download
memory/616-61-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/616-89-0x00000000021D0000-0x00000000021E4000-memory.dmp

Filesize
80KB

Download
memory/616-64-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/616-65-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/616-67-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/616-68-0x000000000041E792-mapping.dmp

Download
memory/616-70-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/616-72-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/616-88-0x0000000002180000-0x0000000002190000-memory.dmp

Filesize
64KB

Download
memory/616-87-0x0000000002170000-0x0000000002184000-memory.dmp

Filesize
80KB

Download
memory/616-86-0x0000000002120000-0x000000000212C000-memory.dmp

Filesize
48KB

Download
memory/616-78-0x0000000000480000-0x000000000048A000-memory.dmp

Filesize
40KB

Download
memory/616-85-0x0000000002110000-0x000000000211E000-memory.dmp

Filesize
56KB

Download
memory/616-79-0x0000000000530000-0x000000000054E000-memory.dmp

Filesize
120KB

Download
memory/616-80-0x0000000000490000-0x000000000049A000-memory.dmp

Filesize
40KB

Download
memory/616-81-0x00000000006E0000-0x00000000006F2000-memory.dmp

Filesize
72KB

Download
memory/616-82-0x0000000000800000-0x000000000081A000-memory.dmp

Filesize
104KB

Download
memory/616-83-0x00000000007E0000-0x00000000007EE000-memory.dmp

Filesize
56KB

Download
memory/616-84-0x00000000009A0000-0x00000000009B2000-memory.dmp

Filesize
72KB

Download
memory/664-74-0x0000000000000000-mapping.dmp

Download
memory/976-59-0x0000000000000000-mapping.dmp

Download
memory/1420-76-0x0000000000000000-mapping.dmp

Download
memory/1988-58-0x0000000002060000-0x000000000209A000-memory.dmp

Filesize
232KB

Download
memory/1988-56-0x00000000003A0000-0x00000000003C0000-memory.dmp

Filesize
128KB

Download
memory/1988-54-0x00000000002E0000-0x000000000039E000-memory.dmp

Filesize
760KB

Download
memory/1988-57-0x0000000004FE0000-0x000000000506C000-memory.dmp

Filesize
560KB

Download
memory/1988-55-0x0000000075A91000-0x0000000075A93000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads