nanocore | 0971ed841b73f240346a0aac75acc3dd3ef1345420fba81b00b79366a2c8d6ce

General

Target

820869d6bf485c32fd94fde70838b453.exe
Size

613KB
MD5

820869d6bf485c32fd94fde70838b453
SHA1

c387acae1c90dbfe7f5008516adcb510d2504ef0
SHA256

0971ed841b73f240346a0aac75acc3dd3ef1345420fba81b00b79366a2c8d6ce
SHA512

2bc46ae8577540cc329d8f08eb1d5db180c1f8aeee9f0bdb2188426f71fda0411be946bde557c0f8b26601cd1b1a7ddd149fd10425912e38ecfed569bd27d394

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

asweee.jumpingcrab.com:8234

tryweaswweee.ydns.eu:8234

Mutex

0bb207a5-6f92-4ff1-abb5-35e0dc25fe5d

Attributes

activate_away_mode
true
backup_connection_host
tryweaswweee.ydns.eu
backup_dns_server
tryweaswweee.ydns.eu
buffer_size
65535
build_time
2021-05-02T14:48:34.703881636Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
8234
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
0bb207a5-6f92-4ff1-abb5-35e0dc25fe5d
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
asweee.jumpingcrab.com
primary_dns_server
asweee.jumpingcrab.com
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 whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

820869d6bf485c32fd94fde70838b453.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	820869d6bf485c32fd94fde70838b453.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

820869d6bf485c32fd94fde70838b453.exe

description pid process target process

PID 3944 set thread context of 1312 3944 820869d6bf485c32fd94fde70838b453.exe 820869d6bf485c32fd94fde70838b453.exe
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
T1053

Processes:

schtasks.exe

pid process

4092 schtasks.exe

description	pid	process	target process
PID 3944 set thread context of 1312	3944	820869d6bf485c32fd94fde70838b453.exe	820869d6bf485c32fd94fde70838b453.exe

pid	process
4092	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

820869d6bf485c32fd94fde70838b453.exe820869d6bf485c32fd94fde70838b453.exe

pid	process
3944	820869d6bf485c32fd94fde70838b453.exe
3944	820869d6bf485c32fd94fde70838b453.exe
1312	820869d6bf485c32fd94fde70838b453.exe
1312	820869d6bf485c32fd94fde70838b453.exe
1312	820869d6bf485c32fd94fde70838b453.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

820869d6bf485c32fd94fde70838b453.exe

pid process

1312 820869d6bf485c32fd94fde70838b453.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

820869d6bf485c32fd94fde70838b453.exe820869d6bf485c32fd94fde70838b453.exe

description pid process

Token: SeDebugPrivilege 3944 820869d6bf485c32fd94fde70838b453.exe
Token: SeDebugPrivilege 1312 820869d6bf485c32fd94fde70838b453.exe

pid	process
1312	820869d6bf485c32fd94fde70838b453.exe

description	pid	process
Token: SeDebugPrivilege	3944	820869d6bf485c32fd94fde70838b453.exe
Token: SeDebugPrivilege	1312	820869d6bf485c32fd94fde70838b453.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

820869d6bf485c32fd94fde70838b453.exe820869d6bf485c32fd94fde70838b453.exe

description	pid	process	target process
PID 3944 wrote to memory of 1312	3944	820869d6bf485c32fd94fde70838b453.exe	820869d6bf485c32fd94fde70838b453.exe
PID 3944 wrote to memory of 1312	3944	820869d6bf485c32fd94fde70838b453.exe	820869d6bf485c32fd94fde70838b453.exe
PID 3944 wrote to memory of 1312	3944	820869d6bf485c32fd94fde70838b453.exe	820869d6bf485c32fd94fde70838b453.exe
PID 3944 wrote to memory of 1312	3944	820869d6bf485c32fd94fde70838b453.exe	820869d6bf485c32fd94fde70838b453.exe
PID 3944 wrote to memory of 1312	3944	820869d6bf485c32fd94fde70838b453.exe	820869d6bf485c32fd94fde70838b453.exe
PID 3944 wrote to memory of 1312	3944	820869d6bf485c32fd94fde70838b453.exe	820869d6bf485c32fd94fde70838b453.exe
PID 3944 wrote to memory of 1312	3944	820869d6bf485c32fd94fde70838b453.exe	820869d6bf485c32fd94fde70838b453.exe
PID 3944 wrote to memory of 1312	3944	820869d6bf485c32fd94fde70838b453.exe	820869d6bf485c32fd94fde70838b453.exe
PID 1312 wrote to memory of 4092	1312	820869d6bf485c32fd94fde70838b453.exe	schtasks.exe
PID 1312 wrote to memory of 4092	1312	820869d6bf485c32fd94fde70838b453.exe	schtasks.exe
PID 1312 wrote to memory of 4092	1312	820869d6bf485c32fd94fde70838b453.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\820869d6bf485c32fd94fde70838b453.exe
"C:\Users\Admin\AppData\Local\Temp\820869d6bf485c32fd94fde70838b453.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3944

C:\Users\Admin\AppData\Local\Temp\820869d6bf485c32fd94fde70838b453.exe
C:\Users\Admin\AppData\Local\Temp\820869d6bf485c32fd94fde70838b453.exe
2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1312

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "ISS Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1DCA.tmp"
3⤵
- Creates scheduled task(s)
PID:4092

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\820869d6bf485c32fd94fde70838b453.exe.log
MD5
9e7845217df4a635ec4341c3d52ed685

SHA1
d65cb39d37392975b038ce503a585adadb805da5

SHA256
d60e596ed3d5c13dc9f1660e6d870d99487e1383891437645c4562a9ecaa8c9b

SHA512
307c3b4d4f2655bdeb177e7b9c981ca27513618903f02c120caa755c9da5a8dd03ebab660b56108a680720a97c1e9596692490aede18cc4bd77b9fc3d8e68aa1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1DCA.tmp
MD5
dc55b77f3b362375f7ad3378b763ab1a

SHA1
f6ea0790af5c6ba497238c2208383682e97f0315

SHA256
075e11b7883d64b8a871dbed5c72524a111419f1cfe30f2f4b37c7aa390b5c47

SHA512
f4b3acaf2f1014411b85e181cad9d4ef553a00afe7a94e0b7e3d23ae9a9daf8c70e9310839ce66869762a87b0dc0f0324b4683646247dad33666c93a9f5ae0be

Download Submit
memory/1312-129-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1312-130-0x000000000041E792-mapping.dmp

Download
memory/1312-143-0x0000000004E50000-0x000000000534E000-memory.dmp

Filesize
5.0MB

Download
memory/1312-142-0x00000000052E0000-0x00000000052E3000-memory.dmp

Filesize
12KB

Download
memory/1312-141-0x00000000052C0000-0x00000000052D9000-memory.dmp

Filesize
100KB

Download
memory/1312-140-0x0000000005110000-0x0000000005115000-memory.dmp

Filesize
20KB

Download
memory/1312-136-0x0000000004EF0000-0x0000000004EF1000-memory.dmp

Filesize
4KB

Download
memory/3944-122-0x00000000052D0000-0x0000000005362000-memory.dmp

Filesize
584KB

Download
memory/3944-114-0x0000000000A90000-0x0000000000A91000-memory.dmp

Filesize
4KB

Download
memory/3944-128-0x0000000006FB0000-0x000000000702C000-memory.dmp

Filesize
496KB

Download
memory/3944-117-0x0000000005380000-0x0000000005381000-memory.dmp

Filesize
4KB

Download
memory/3944-123-0x0000000006D80000-0x0000000006DEB000-memory.dmp

Filesize
428KB

Download
memory/3944-116-0x0000000005880000-0x0000000005881000-memory.dmp

Filesize
4KB

Download
memory/3944-118-0x0000000005360000-0x0000000005361000-memory.dmp

Filesize
4KB

Download
memory/3944-121-0x00000000052D0000-0x0000000005362000-memory.dmp

Filesize
584KB

Download
memory/3944-120-0x00000000052D0000-0x0000000005362000-memory.dmp

Filesize
584KB

Download
memory/3944-119-0x00000000052D0000-0x0000000005362000-memory.dmp

Filesize
584KB

Download
memory/4092-138-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads