nanocore | 7801c3f3c029d7f152d029db7d5df5f72d4a3dd9c649afa08ec1fea2e9ee4e72

General

Target
CV.exe
Size 939KB
Sample220822-db6awscfb6
SHA256 7801c3f3c029d7f152d029db7d5df5f72d4a3dd9c649afa08ec1fea2e9ee4e72
MD5 0cc2c32b28f1160d88ee8ae25d3c2bde
SHA1 de2e06a312f9ccdaab2529b58526ba62fb9101c5
SHA512 11e656ef32108f27d717c7ee0deb432e5c3c3f7194571a32d9d54e257247463f21d97b33083109cc57bca672d3fd8eb4952c638cd9ac87e797c246e468fa9bc4
MD5 SHA1 SHA512

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

deranano.hopto.org:6860
107.182.129.248:6860

Mutex

8e298c45-403b-46cf-9828-3e2b0d831483

Attributes

activate_away_mode
true
backup_connection_host
107.182.129.248
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-06-03T04:04:30.894512136Z
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
6860
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
8e298c45-403b-46cf-9828-3e2b0d831483
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
deranano.hopto.org
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 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	CV.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5088 set thread context of 3916	5088	CV.exe	94

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

pid	Process
2424	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
5088	CV.exe
5088	CV.exe
3916	CV.exe
3916	CV.exe
3916	CV.exe
3916	CV.exe
3916	CV.exe
3916	CV.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3916	CV.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5088	CV.exe
Token: SeDebugPrivilege	3916	CV.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 5088 wrote to memory of 1436	5088	CV.exe	93
PID 5088 wrote to memory of 1436	5088	CV.exe	93
PID 5088 wrote to memory of 1436	5088	CV.exe	93
PID 5088 wrote to memory of 3916	5088	CV.exe	94
PID 5088 wrote to memory of 3916	5088	CV.exe	94
PID 5088 wrote to memory of 3916	5088	CV.exe	94
PID 5088 wrote to memory of 3916	5088	CV.exe	94
PID 5088 wrote to memory of 3916	5088	CV.exe	94
PID 5088 wrote to memory of 3916	5088	CV.exe	94
PID 5088 wrote to memory of 3916	5088	CV.exe	94
PID 5088 wrote to memory of 3916	5088	CV.exe	94
PID 3916 wrote to memory of 2424	3916	CV.exe	95
PID 3916 wrote to memory of 2424	3916	CV.exe	95
PID 3916 wrote to memory of 2424	3916	CV.exe	95

C:\Users\Admin\AppData\Local\Temp\CV.exe
"C:\Users\Admin\AppData\Local\Temp\CV.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5088
- C:\Users\Admin\AppData\Local\Temp\CV.exe
  "C:\Users\Admin\AppData\Local\Temp\CV.exe"
  2⤵
  PID:1436
- C:\Users\Admin\AppData\Local\Temp\CV.exe
  "C:\Users\Admin\AppData\Local\Temp\CV.exe"
  2⤵
  - Checks whether UAC is enabled
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3916
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DDP Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp57E4.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:2424

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

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Downloads

CV.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\CV.exe.log
Size 1KB
SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
MD5 8ec831f3e3a3f77e4a7b9cd32b48384c
SHA1 d83f09fd87c5bd86e045873c231c14836e76a05c
SHA512 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
MD5 SHA1 SHA512

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tmp57E4.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp57E4.tmp
Size 1KB
SHA256 28bb90fa03ca67c6a7156ef1351e8496a7e29014d4d17b0d19ac106510aeaf62
MD5 b3b2a2db3d8f9f8a69a44c0230350f3f
SHA1 c8b62301970264aa4d870714cbd944f3837bf449
SHA512 2bdbcc1f3008480ef02dc5ea4b6d8fef61094f113911a0607659b96c8485f6c76bfe037c92f9f3edbc15c3fe4b053ef95301fe519b93c5165f002f72cee45d4d
MD5 SHA1 SHA512

Submit Download

memory/3916-139-0x0000000000400000-0x0000000000438000-memory.dmp

Download

memory/3916-143-0x0000000001190000-0x00000000011F6000-memory.dmp

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memory/5088-132-0x0000000000D60000-0x0000000000E50000-memory.dmp

Download

memory/5088-133-0x0000000005E30000-0x00000000063D4000-memory.dmp

Download

memory/5088-134-0x0000000005880000-0x0000000005912000-memory.dmp

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memory/5088-135-0x0000000005800000-0x000000000580A000-memory.dmp

Download

memory/5088-136-0x0000000007FD0000-0x000000000806C000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads