nanocore | adb1916ce0d4c3dd80623a2bde416cbfd68f6db71f8da0132101daed4f86dacb

General

Target

9a08c8a2b49d6348f2ef35f85a1c6351.exe
Size

613KB
MD5

9a166a4ebfc7463904546bfa7daea8f1
SHA1

ee7c6418232b61389827a4a1c9a92990c2bf2838
SHA256

a8bcefc2310761d35f797a3d74edf9bbd5e3b144453f26e71924dca43d1966f0
SHA512

64216e945be7ca3d2025ec97f8055a3c67e425e45bd60fbb06cc1d345f4e8fe499a2b05fe9bd7a726ef88060b2c40a7efceccf96ba31d98eabd9bed606118ead
SSDEEP

12288:IhEn44D6ADx6lUnzaFqWd2viTsWGIHCMyDskak3CFJTYrEkjUvV:K14DfxRzEdAioAiVDskaqCFJTFkj

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

cloudhost.myfirewall.org:5654

Mutex

4ae8a172-6da2-4779-a2b0-d9cfdcd47451

Attributes

activate_away_mode
true
backup_connection_host
cloudhost.myfirewall.org
backup_dns_server
cloudhost.myfirewall.org
buffer_size
65535
build_time
2020-11-27T18:37:03.574425236Z
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
5654
default_group
UU008TH
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
4ae8a172-6da2-4779-a2b0-d9cfdcd47451
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
cloudhost.myfirewall.org
primary_dns_server
cloudhost.myfirewall.org
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

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DHCP Service = "C:\\Program Files (x86)\\DHCP Service\\dhcpsv.exe"	9a08c8a2b49d6348f2ef35f85a1c6351.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	9a08c8a2b49d6348f2ef35f85a1c6351.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1576 set thread context of 3688	1576	9a08c8a2b49d6348f2ef35f85a1c6351.exe	89

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DHCP Service\dhcpsv.exe	9a08c8a2b49d6348f2ef35f85a1c6351.exe
File opened for modification	C:\Program Files (x86)\DHCP Service\dhcpsv.exe	9a08c8a2b49d6348f2ef35f85a1c6351.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
3576	schtasks.exe
3732	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3688	9a08c8a2b49d6348f2ef35f85a1c6351.exe
3688	9a08c8a2b49d6348f2ef35f85a1c6351.exe
3688	9a08c8a2b49d6348f2ef35f85a1c6351.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3688	9a08c8a2b49d6348f2ef35f85a1c6351.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3688	9a08c8a2b49d6348f2ef35f85a1c6351.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1576 wrote to memory of 3688	1576	9a08c8a2b49d6348f2ef35f85a1c6351.exe	89
PID 1576 wrote to memory of 3688	1576	9a08c8a2b49d6348f2ef35f85a1c6351.exe	89
PID 1576 wrote to memory of 3688	1576	9a08c8a2b49d6348f2ef35f85a1c6351.exe	89
PID 1576 wrote to memory of 3688	1576	9a08c8a2b49d6348f2ef35f85a1c6351.exe	89
PID 1576 wrote to memory of 3688	1576	9a08c8a2b49d6348f2ef35f85a1c6351.exe	89
PID 1576 wrote to memory of 3688	1576	9a08c8a2b49d6348f2ef35f85a1c6351.exe	89
PID 1576 wrote to memory of 3688	1576	9a08c8a2b49d6348f2ef35f85a1c6351.exe	89
PID 1576 wrote to memory of 3688	1576	9a08c8a2b49d6348f2ef35f85a1c6351.exe	89
PID 3688 wrote to memory of 3732	3688	9a08c8a2b49d6348f2ef35f85a1c6351.exe	90
PID 3688 wrote to memory of 3732	3688	9a08c8a2b49d6348f2ef35f85a1c6351.exe	90
PID 3688 wrote to memory of 3732	3688	9a08c8a2b49d6348f2ef35f85a1c6351.exe	90
PID 3688 wrote to memory of 3576	3688	9a08c8a2b49d6348f2ef35f85a1c6351.exe	92
PID 3688 wrote to memory of 3576	3688	9a08c8a2b49d6348f2ef35f85a1c6351.exe	92
PID 3688 wrote to memory of 3576	3688	9a08c8a2b49d6348f2ef35f85a1c6351.exe	92

C:\Users\Admin\AppData\Local\Temp\9a08c8a2b49d6348f2ef35f85a1c6351.exe
"C:\Users\Admin\AppData\Local\Temp\9a08c8a2b49d6348f2ef35f85a1c6351.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1576
- C:\Users\Admin\AppData\Local\Temp\9a08c8a2b49d6348f2ef35f85a1c6351.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:3688
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DHCP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC43A.tmp"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:3732
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DHCP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC554.tmp"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:3576

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpC43A.tmp

Filesize
1KB

MD5
d6e1c55275559fdb593997a8dcfa56b7

SHA1
96dfd9d867de153d1211f8ae715c649a11e25c23

SHA256
f7eab8d4d985896201ceb028cd858ec26ec7797ef9935b4ee8fadb9908111427

SHA512
0c3df98a55e994578783c9e00e53a67f0ba25f034671f6546dec9747b549a0bd2dcf335a0258855c908d6cbf3c9bafae2a16d0e574ea05595536a0f0982c95e6

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC554.tmp

Filesize
1KB

MD5
a77c223a0fc492dccd6fb9975f7a8766

SHA1
5e813636ae9b8138d78919348a5da3a6e8bd74b5

SHA256
589df7325d42409c50827600fedb240171ee4bdab85916474a37800c2382829e

SHA512
315cea8fde3c594404f5d3c96c710af1214cff6d08ccdb40634a739e108ff810e02624735a2b8c3e3720157b4a55327f317c3c23c3a681b46b9ab0f19060f7c0

Download Submit
memory/1576-10-0x00000000753D0000-0x0000000075981000-memory.dmp

Filesize
5.7MB

Download
memory/1576-3-0x00000000753D2000-0x00000000753D3000-memory.dmp

Filesize
4KB

Download
memory/1576-4-0x00000000753D0000-0x0000000075981000-memory.dmp

Filesize
5.7MB

Download
memory/1576-0-0x00000000753D2000-0x00000000753D3000-memory.dmp

Filesize
4KB

Download
memory/1576-2-0x00000000753D0000-0x0000000075981000-memory.dmp

Filesize
5.7MB

Download
memory/1576-1-0x00000000753D0000-0x0000000075981000-memory.dmp

Filesize
5.7MB

Download
memory/3688-5-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3688-7-0x00000000753D0000-0x0000000075981000-memory.dmp

Filesize
5.7MB

Download
memory/3688-9-0x00000000753D0000-0x0000000075981000-memory.dmp

Filesize
5.7MB

Download
memory/3688-8-0x00000000753D0000-0x0000000075981000-memory.dmp

Filesize
5.7MB

Download
memory/3688-18-0x00000000753D0000-0x0000000075981000-memory.dmp

Filesize
5.7MB

Download
memory/3688-19-0x00000000753D0000-0x0000000075981000-memory.dmp

Filesize
5.7MB

Download
memory/3688-20-0x00000000753D0000-0x0000000075981000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads