nanocore | 05e4da2036e45d49b716262f7e55d1e15b1a26bbd6a6f29181be3ce206a8d38d

General

Target

05e4da2036e45d49b716262f7e55d1e15b1a26bbd6a6f29181be3ce206a8d38dN.exe
Size

280KB
MD5

a47e0a3663f8b58507563b2c16c2d250
SHA1

89ef9a3bbc858ff6b2033adbc68b4c1d48264dcc
SHA256

05e4da2036e45d49b716262f7e55d1e15b1a26bbd6a6f29181be3ce206a8d38d
SHA512

39ad1b557096ca74077f4a980ee96675a1360799598155eacadfd98d7a6f34365b7bf979ed3243f849d7b30dc8be4ff23ed89181b5724ea69a929998b8df754b
SSDEEP

6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66f3K:boSeGUA5YZazpXUmZhZ6fK

Score

10^/10

nanocore defense_evasion discovery 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
2864	a1punf5t2of.exe
2628	a1punf5t2of.exe

Loads dropped DLL 2 IoCs

pid	Process
2128	05e4da2036e45d49b716262f7e55d1e15b1a26bbd6a6f29181be3ce206a8d38dN.exe
2864	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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe"	05e4da2036e45d49b716262f7e55d1e15b1a26bbd6a6f29181be3ce206a8d38dN.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

defense_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 2864 set thread context of 2628	2864	a1punf5t2of.exe	32

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	a1punf5t2of.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a1punf5t2of.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	05e4da2036e45d49b716262f7e55d1e15b1a26bbd6a6f29181be3ce206a8d38dN.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2628	a1punf5t2of.exe
2628	a1punf5t2of.exe
2628	a1punf5t2of.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2628	a1punf5t2of.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2628	a1punf5t2of.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 2864	2128	05e4da2036e45d49b716262f7e55d1e15b1a26bbd6a6f29181be3ce206a8d38dN.exe	31
PID 2128 wrote to memory of 2864	2128	05e4da2036e45d49b716262f7e55d1e15b1a26bbd6a6f29181be3ce206a8d38dN.exe	31
PID 2128 wrote to memory of 2864	2128	05e4da2036e45d49b716262f7e55d1e15b1a26bbd6a6f29181be3ce206a8d38dN.exe	31
PID 2128 wrote to memory of 2864	2128	05e4da2036e45d49b716262f7e55d1e15b1a26bbd6a6f29181be3ce206a8d38dN.exe	31
PID 2128 wrote to memory of 2864	2128	05e4da2036e45d49b716262f7e55d1e15b1a26bbd6a6f29181be3ce206a8d38dN.exe	31
PID 2128 wrote to memory of 2864	2128	05e4da2036e45d49b716262f7e55d1e15b1a26bbd6a6f29181be3ce206a8d38dN.exe	31
PID 2128 wrote to memory of 2864	2128	05e4da2036e45d49b716262f7e55d1e15b1a26bbd6a6f29181be3ce206a8d38dN.exe	31
PID 2864 wrote to memory of 2628	2864	a1punf5t2of.exe	32
PID 2864 wrote to memory of 2628	2864	a1punf5t2of.exe	32
PID 2864 wrote to memory of 2628	2864	a1punf5t2of.exe	32
PID 2864 wrote to memory of 2628	2864	a1punf5t2of.exe	32
PID 2864 wrote to memory of 2628	2864	a1punf5t2of.exe	32
PID 2864 wrote to memory of 2628	2864	a1punf5t2of.exe	32
PID 2864 wrote to memory of 2628	2864	a1punf5t2of.exe	32
PID 2864 wrote to memory of 2628	2864	a1punf5t2of.exe	32
PID 2864 wrote to memory of 2628	2864	a1punf5t2of.exe	32
PID 2864 wrote to memory of 2628	2864	a1punf5t2of.exe	32
PID 2864 wrote to memory of 2628	2864	a1punf5t2of.exe	32
PID 2864 wrote to memory of 2628	2864	a1punf5t2of.exe	32

C:\Users\Admin\AppData\Local\Temp\05e4da2036e45d49b716262f7e55d1e15b1a26bbd6a6f29181be3ce206a8d38dN.exe
"C:\Users\Admin\AppData\Local\Temp\05e4da2036e45d49b716262f7e55d1e15b1a26bbd6a6f29181be3ce206a8d38dN.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2128
- 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:2864
- - 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:2628

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
280KB

MD5
c049bbcf6ee3e2a2d36713099c7584c5

SHA1
7e13b774b6a0e22a83daa37e30c9509971d935d9

SHA256
09630fab1348bdc149182c433bfd78409e9c8d6abe389873d0a665aa16b1758a

SHA512
7ca133475fa7250ef71633b07b94dd80eb413ce6450f452ce89b2f739d18688466f15231852f88715500bbf1894e74f7ae821947617912d0ab26604ff67b1739

Download Submit
memory/2128-14-0x00000000746C0000-0x0000000074C6B000-memory.dmp

Filesize
5.7MB

Download
memory/2128-1-0x00000000746C0000-0x0000000074C6B000-memory.dmp

Filesize
5.7MB

Download
memory/2128-2-0x00000000746C0000-0x0000000074C6B000-memory.dmp

Filesize
5.7MB

Download
memory/2128-3-0x00000000746C0000-0x0000000074C6B000-memory.dmp

Filesize
5.7MB

Download
memory/2128-4-0x00000000746C0000-0x0000000074C6B000-memory.dmp

Filesize
5.7MB

Download
memory/2128-5-0x00000000746C0000-0x0000000074C6B000-memory.dmp

Filesize
5.7MB

Download
memory/2128-0-0x00000000746C1000-0x00000000746C2000-memory.dmp

Filesize
4KB

Download
memory/2628-31-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2628-37-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2628-25-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2628-28-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2628-32-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2628-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2628-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2628-39-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2864-19-0x00000000746C0000-0x0000000074C6B000-memory.dmp

Filesize
5.7MB

Download
memory/2864-15-0x00000000746C0000-0x0000000074C6B000-memory.dmp

Filesize
5.7MB

Download
memory/2864-16-0x00000000746C0000-0x0000000074C6B000-memory.dmp

Filesize
5.7MB

Download
memory/2864-18-0x00000000746C0000-0x0000000074C6B000-memory.dmp

Filesize
5.7MB

Download
memory/2864-17-0x00000000746C0000-0x0000000074C6B000-memory.dmp

Filesize
5.7MB

Download
memory/2864-41-0x00000000746C0000-0x0000000074C6B000-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