nanocore | abf164c6976dbde6f7aeeb1fa067a387191143e692e6b506845f37193ec3c708

General

Target

abf164c6976dbde6f7aeeb1fa067a387191143e692e6b506845f37193ec3c708.exe
Size

278KB
MD5

278ef2bf0fdcbcac925563581fb4c64e
SHA1

b5c0325f045201ebdb4ccf90aa7cde9ce98e6614
SHA256

abf164c6976dbde6f7aeeb1fa067a387191143e692e6b506845f37193ec3c708
SHA512

f5706343c8d2d807769c57a21a240724027913507d9410e30146f2e022062422f297120da0094cd48cfc460eb42750637a154b96bedefa253ff30761d219b4d8
SSDEEP

6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66f1:boSeGUA5YZazpXUmZhZ69

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

Processes:

a1punf5t2of.exea1punf5t2of.exe

pid	Process
2720	a1punf5t2of.exe
2728	a1punf5t2of.exe

Loads dropped DLL 2 IoCs

Processes:

abf164c6976dbde6f7aeeb1fa067a387191143e692e6b506845f37193ec3c708.exea1punf5t2of.exe

pid	Process
2584	abf164c6976dbde6f7aeeb1fa067a387191143e692e6b506845f37193ec3c708.exe
2720	a1punf5t2of.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

abf164c6976dbde6f7aeeb1fa067a387191143e692e6b506845f37193ec3c708.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe"	abf164c6976dbde6f7aeeb1fa067a387191143e692e6b506845f37193ec3c708.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

a1punf5t2of.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	a1punf5t2of.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

a1punf5t2of.exe

description	pid	Process	procid_target
PID 2720 set thread context of 2728	2720	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

Processes:

a1punf5t2of.exea1punf5t2of.exeabf164c6976dbde6f7aeeb1fa067a387191143e692e6b506845f37193ec3c708.exe

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	abf164c6976dbde6f7aeeb1fa067a387191143e692e6b506845f37193ec3c708.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

a1punf5t2of.exe

pid	Process
2728	a1punf5t2of.exe
2728	a1punf5t2of.exe
2728	a1punf5t2of.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

a1punf5t2of.exe

pid	Process
2728	a1punf5t2of.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

a1punf5t2of.exe

description	pid	Process
Token: SeDebugPrivilege	2728	a1punf5t2of.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

abf164c6976dbde6f7aeeb1fa067a387191143e692e6b506845f37193ec3c708.exea1punf5t2of.exe

description	pid	Process	procid_target
PID 2584 wrote to memory of 2720	2584	abf164c6976dbde6f7aeeb1fa067a387191143e692e6b506845f37193ec3c708.exe	31
PID 2584 wrote to memory of 2720	2584	abf164c6976dbde6f7aeeb1fa067a387191143e692e6b506845f37193ec3c708.exe	31
PID 2584 wrote to memory of 2720	2584	abf164c6976dbde6f7aeeb1fa067a387191143e692e6b506845f37193ec3c708.exe	31
PID 2584 wrote to memory of 2720	2584	abf164c6976dbde6f7aeeb1fa067a387191143e692e6b506845f37193ec3c708.exe	31
PID 2584 wrote to memory of 2720	2584	abf164c6976dbde6f7aeeb1fa067a387191143e692e6b506845f37193ec3c708.exe	31
PID 2584 wrote to memory of 2720	2584	abf164c6976dbde6f7aeeb1fa067a387191143e692e6b506845f37193ec3c708.exe	31
PID 2584 wrote to memory of 2720	2584	abf164c6976dbde6f7aeeb1fa067a387191143e692e6b506845f37193ec3c708.exe	31
PID 2720 wrote to memory of 2728	2720	a1punf5t2of.exe	32
PID 2720 wrote to memory of 2728	2720	a1punf5t2of.exe	32
PID 2720 wrote to memory of 2728	2720	a1punf5t2of.exe	32
PID 2720 wrote to memory of 2728	2720	a1punf5t2of.exe	32
PID 2720 wrote to memory of 2728	2720	a1punf5t2of.exe	32
PID 2720 wrote to memory of 2728	2720	a1punf5t2of.exe	32
PID 2720 wrote to memory of 2728	2720	a1punf5t2of.exe	32
PID 2720 wrote to memory of 2728	2720	a1punf5t2of.exe	32
PID 2720 wrote to memory of 2728	2720	a1punf5t2of.exe	32
PID 2720 wrote to memory of 2728	2720	a1punf5t2of.exe	32
PID 2720 wrote to memory of 2728	2720	a1punf5t2of.exe	32
PID 2720 wrote to memory of 2728	2720	a1punf5t2of.exe	32

C:\Users\Admin\AppData\Local\Temp\abf164c6976dbde6f7aeeb1fa067a387191143e692e6b506845f37193ec3c708.exe
"C:\Users\Admin\AppData\Local\Temp\abf164c6976dbde6f7aeeb1fa067a387191143e692e6b506845f37193ec3c708.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2584
- 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:2720
- - 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:2728

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
278KB

MD5
de85a8e0b74909494c1e5b3bc12787ce

SHA1
1a066c2f912d44d0af033043a697005af9390fa4

SHA256
dc95637fb4bfcd5070c4250fb7c0216b87ec6f24979b310c12feb3207e492fcd

SHA512
e05f09a5592525f19cba328e282ad9def418233164d65a5f1ea5cb0e0a0a574a8d02ac77fc087f4a141d302b68f0228a611a483e44ce45379dcff3e10ae96d4d

Download Submit
memory/2584-0-0x00000000744A1000-0x00000000744A2000-memory.dmp

Filesize
4KB

Download
memory/2584-1-0x00000000744A0000-0x0000000074A4B000-memory.dmp

Filesize
5.7MB

Download
memory/2584-2-0x00000000744A0000-0x0000000074A4B000-memory.dmp

Filesize
5.7MB

Download
memory/2584-3-0x00000000744A0000-0x0000000074A4B000-memory.dmp

Filesize
5.7MB

Download
memory/2584-4-0x00000000744A0000-0x0000000074A4B000-memory.dmp

Filesize
5.7MB

Download
memory/2584-5-0x00000000744A0000-0x0000000074A4B000-memory.dmp

Filesize
5.7MB

Download
memory/2584-14-0x00000000744A0000-0x0000000074A4B000-memory.dmp

Filesize
5.7MB

Download
memory/2720-17-0x00000000744A0000-0x0000000074A4B000-memory.dmp

Filesize
5.7MB

Download
memory/2720-16-0x00000000744A0000-0x0000000074A4B000-memory.dmp

Filesize
5.7MB

Download
memory/2720-15-0x00000000744A0000-0x0000000074A4B000-memory.dmp

Filesize
5.7MB

Download
memory/2720-18-0x00000000744A0000-0x0000000074A4B000-memory.dmp

Filesize
5.7MB

Download
memory/2720-38-0x00000000744A0000-0x0000000074A4B000-memory.dmp

Filesize
5.7MB

Download
memory/2728-29-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2728-36-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2728-35-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2728-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2728-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2728-26-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2728-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2728-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads