nanocore | 71934d841eadd13bfb20def3444647ffe529d77d48eab9298b0cd43fb7549bd8

General

Target

71934d841eadd13bfb20def3444647ffe529d77d48eab9298b0cd43fb7549bd8N.exe
Size

256KB
MD5

cbcebb944e110ab7b5d51b3461f2d050
SHA1

14f21749f780aa47c784406c2f9a2dca486b34fe
SHA256

71934d841eadd13bfb20def3444647ffe529d77d48eab9298b0cd43fb7549bd8
SHA512

878d4f42c729c318bb396631b86e40eede50fac8085968dee13144f9696c2852a81918b3b2bef698a3548567cdf662224f683234590968c76dff1f653fb68f25
SSDEEP

6144:85p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQS4f:EeGUA5YZazpXUmZh94f

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

sysupdate24.ddns.net:45400

Mutex

ae82ab7f-db07-49ee-9d2b-76075d76f37f

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
buffer_size
65535
build_time
2020-04-24T17:41:53.492468936Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
45400
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
ae82ab7f-db07-49ee-9d2b-76075d76f37f
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
sysupdate24.ddns.net
primary_dns_server
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
Nanocore family
nanocore

Executes dropped EXE 2 IoCs

pid	Process
2564	a1punf5t2of.exe
284	a1punf5t2of.exe

Loads dropped DLL 2 IoCs

pid	Process
2644	71934d841eadd13bfb20def3444647ffe529d77d48eab9298b0cd43fb7549bd8N.exe
2564	a1punf5t2of.exe

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\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe"	71934d841eadd13bfb20def3444647ffe529d77d48eab9298b0cd43fb7549bd8N.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	a1punf5t2of.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2564 set thread context of 284	2564	a1punf5t2of.exe	31

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	71934d841eadd13bfb20def3444647ffe529d77d48eab9298b0cd43fb7549bd8N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a1punf5t2of.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a1punf5t2of.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
284	a1punf5t2of.exe
284	a1punf5t2of.exe
284	a1punf5t2of.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
284	a1punf5t2of.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	284	a1punf5t2of.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 2564	2644	71934d841eadd13bfb20def3444647ffe529d77d48eab9298b0cd43fb7549bd8N.exe	30
PID 2644 wrote to memory of 2564	2644	71934d841eadd13bfb20def3444647ffe529d77d48eab9298b0cd43fb7549bd8N.exe	30
PID 2644 wrote to memory of 2564	2644	71934d841eadd13bfb20def3444647ffe529d77d48eab9298b0cd43fb7549bd8N.exe	30
PID 2644 wrote to memory of 2564	2644	71934d841eadd13bfb20def3444647ffe529d77d48eab9298b0cd43fb7549bd8N.exe	30
PID 2644 wrote to memory of 2564	2644	71934d841eadd13bfb20def3444647ffe529d77d48eab9298b0cd43fb7549bd8N.exe	30
PID 2644 wrote to memory of 2564	2644	71934d841eadd13bfb20def3444647ffe529d77d48eab9298b0cd43fb7549bd8N.exe	30
PID 2644 wrote to memory of 2564	2644	71934d841eadd13bfb20def3444647ffe529d77d48eab9298b0cd43fb7549bd8N.exe	30
PID 2564 wrote to memory of 284	2564	a1punf5t2of.exe	31
PID 2564 wrote to memory of 284	2564	a1punf5t2of.exe	31
PID 2564 wrote to memory of 284	2564	a1punf5t2of.exe	31
PID 2564 wrote to memory of 284	2564	a1punf5t2of.exe	31
PID 2564 wrote to memory of 284	2564	a1punf5t2of.exe	31
PID 2564 wrote to memory of 284	2564	a1punf5t2of.exe	31
PID 2564 wrote to memory of 284	2564	a1punf5t2of.exe	31
PID 2564 wrote to memory of 284	2564	a1punf5t2of.exe	31
PID 2564 wrote to memory of 284	2564	a1punf5t2of.exe	31
PID 2564 wrote to memory of 284	2564	a1punf5t2of.exe	31
PID 2564 wrote to memory of 284	2564	a1punf5t2of.exe	31
PID 2564 wrote to memory of 284	2564	a1punf5t2of.exe	31

C:\Users\Admin\AppData\Local\Temp\71934d841eadd13bfb20def3444647ffe529d77d48eab9298b0cd43fb7549bd8N.exe
"C:\Users\Admin\AppData\Local\Temp\71934d841eadd13bfb20def3444647ffe529d77d48eab9298b0cd43fb7549bd8N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2644
- C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
  "C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2564
- - C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
    "C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
    3⤵
    - Executes dropped EXE
    - Checks whether UAC is enabled
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:284

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe

Filesize
256KB

MD5
78615694ad223f30cc052ae96d24ff48

SHA1
f8df1b968f19768af4ba54b16aef874b73909db6

SHA256
3080217be347bd26f5bd5cfdb257f56608097e1a31cc6efaefe6a2b3f7f4fdf0

SHA512
cf400c1c93f2ab0df67fceae8361c9d27466b29049b47613368d567ef6ccb6a4da23555b43195490142297a2aebd2fdebd4504edb4c95abc6d54b0326c3c5257

Download Submit
memory/284-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/284-26-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/284-29-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/284-32-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/284-33-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/284-38-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/284-40-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/284-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2564-15-0x0000000074A50000-0x0000000074FFB000-memory.dmp

Filesize
5.7MB

Download
memory/2564-42-0x0000000074A50000-0x0000000074FFB000-memory.dmp

Filesize
5.7MB

Download
memory/2564-18-0x0000000074A50000-0x0000000074FFB000-memory.dmp

Filesize
5.7MB

Download
memory/2564-19-0x0000000074A50000-0x0000000074FFB000-memory.dmp

Filesize
5.7MB

Download
memory/2564-20-0x0000000074A50000-0x0000000074FFB000-memory.dmp

Filesize
5.7MB

Download
memory/2564-16-0x0000000074A50000-0x0000000074FFB000-memory.dmp

Filesize
5.7MB

Download
memory/2564-17-0x0000000074A50000-0x0000000074FFB000-memory.dmp

Filesize
5.7MB

Download
memory/2644-14-0x0000000074A50000-0x0000000074FFB000-memory.dmp

Filesize
5.7MB

Download
memory/2644-5-0x0000000074A50000-0x0000000074FFB000-memory.dmp

Filesize
5.7MB

Download
memory/2644-4-0x0000000074A50000-0x0000000074FFB000-memory.dmp

Filesize
5.7MB

Download
memory/2644-3-0x0000000074A50000-0x0000000074FFB000-memory.dmp

Filesize
5.7MB

Download
memory/2644-2-0x0000000074A50000-0x0000000074FFB000-memory.dmp

Filesize
5.7MB

Download
memory/2644-1-0x0000000074A50000-0x0000000074FFB000-memory.dmp

Filesize
5.7MB

Download
memory/2644-0-0x0000000074A51000-0x0000000074A52000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads