nanocore | 18fcb8604dc88c010d786be917f618a461876f5db6f80f1f8a64bc3b8fe48a98

Resubmissions

24-07-2023 06:32

230724-haylwaag65 10

16-07-2023 18:15

230716-wwbacshb7z 10

Analysis

max time kernel
149s
max time network
180s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
24-07-2023 06:32

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General

Target

2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe
Size

924KB
MD5

24948fffedf100ae5717a597279f2bd0
SHA1

9682d3b718238fbc682d45cb66f67927a65ff584
SHA256

2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53
SHA512

a229bf77de9ddf1c9dd99c6bb24f6ddf21c782ca3a19488b921fba8fd36eaba1d4930d9e27176b63ee09a3843473d09a06acd6c367270abd58a80c3de136d4d9
SSDEEP

12288:e6SlCKDiW1q9I6/kldSCGDyDg24xUMmFIDHmekod+ik4g8y3SoDpbBj0pV:bSwK5OPWUyCH1wrEloDptA

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

harolds.ooguy.com:6051

harold.2waky.com:6051

Mutex

79556390-7150-4551-9067-10cd33e6482e

Attributes

activate_away_mode
true
backup_connection_host
harold.2waky.com
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-04-28T08:36:06.976087436Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
6051
default_group
Acandy
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
79556390-7150-4551-9067-10cd33e6482e
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
harolds.ooguy.com
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
true
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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\Control Panel\International\Geo\Nation	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe

description	pid	process	target process
PID 4228 set thread context of 3944	4228	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe

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

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

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

2200 schtasks.exe

pid	process
2200	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe

pid	process
4228	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe
3944	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe
3944	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe
3944	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe

pid process

3944 2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe

pid	process
3944	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe

description	pid	process
Token: SeDebugPrivilege	4228	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe
Token: SeDebugPrivilege	3944	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe

description	pid	process	target process
PID 4228 wrote to memory of 2200	4228	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe	schtasks.exe
PID 4228 wrote to memory of 2200	4228	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe	schtasks.exe
PID 4228 wrote to memory of 2200	4228	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe	schtasks.exe
PID 4228 wrote to memory of 3944	4228	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe
PID 4228 wrote to memory of 3944	4228	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe
PID 4228 wrote to memory of 3944	4228	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe
PID 4228 wrote to memory of 3944	4228	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe
PID 4228 wrote to memory of 3944	4228	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe
PID 4228 wrote to memory of 3944	4228	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe
PID 4228 wrote to memory of 3944	4228	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe
PID 4228 wrote to memory of 3944	4228	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe

C:\Users\Admin\AppData\Local\Temp\2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe
"C:\Users\Admin\AppData\Local\Temp\2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4228

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GzgZEDIygQcf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7C8E.tmp"
2⤵
- Creates scheduled task(s)
PID:2200

C:\Users\Admin\AppData\Local\Temp\2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe
"{path}"
2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:3944

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe.log
Filesize
507B

MD5
ab4c71d3ff6255edd4e5c1e09540f49e

SHA1
22e06bf4e258741b5df918061871cba998c50cea

SHA256
1690fec628f775dd3c3385b800eed126b37978ef2ffd592b024052724caafb5a

SHA512
8fa7d0045796e6cda7c28e2b9a690ef550619828c1b5d0ebf8e8367aff4bf4d9f63121e5b4f199d30cb8006eb584c6767f4c59150749b8256dab9dd0ebd9f1af

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7C8E.tmp
Filesize
1KB

MD5
416af52939aefe9393d7d16d737f64c4

SHA1
e7a816a279ef1aa7aac8626620a3e55119b7df5e

SHA256
20050729dda6b368b2bfedaea0e99f6bf388be8091c9b60ae50bb46c5ace427a

SHA512
a857d30ffb27ba584958788650a795b0fed70c41e65dd2f7009f7bd536ebc8cba4f3e6e8389306f748d883fdc6b5ffffb3b0c707e7ef1c961854f06b22022c62

Download Submit
memory/3944-148-0x0000000005B60000-0x0000000005B70000-memory.dmp

Filesize
64KB

Download
memory/3944-143-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3944-152-0x0000000005B60000-0x0000000005B70000-memory.dmp

Filesize
64KB

Download
memory/3944-151-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/3944-149-0x0000000005900000-0x000000000590A000-memory.dmp

Filesize
40KB

Download
memory/3944-146-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/4228-134-0x00000000003F0000-0x00000000004DE000-memory.dmp

Filesize
952KB

Download
memory/4228-136-0x0000000007340000-0x00000000073D2000-memory.dmp

Filesize
584KB

Download
memory/4228-147-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/4228-135-0x0000000007200000-0x000000000729C000-memory.dmp

Filesize
624KB

Download
memory/4228-133-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/4228-139-0x0000000008000000-0x00000000085A4000-memory.dmp

Filesize
5.6MB

Download
memory/4228-138-0x00000000073F0000-0x0000000007400000-memory.dmp

Filesize
64KB

Download
memory/4228-137-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download