nanocore | 87116c9c8b3896216d763178a26277ed5ce162217141f7f6025063392d932057

General

Target

87116c9c8b3896216d763178a26277ed5ce162217141f7f6025063392d932057.exe
Size

255KB
MD5

788694b7baa26fb737137e7269716a0c
SHA1

28d2a6a371d2a6a97bb805aa6c4fc42b5218333f
SHA256

87116c9c8b3896216d763178a26277ed5ce162217141f7f6025063392d932057
SHA512

e037c1377607ce487fb83cd6dabaec5548398c3fb14d7d503e8b4b03fef94c1f74c7f8d778549a43e0ce6390078f205480ed48e2df8271a48caaab67f9e60992
SSDEEP

6144:85p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQqW:EeGUA5YZazpXUmZhJW

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

2960 a1punf5t2of.exe
2524 a1punf5t2of.exe
Loads dropped DLL 2 IoCs

Processes:

87116c9c8b3896216d763178a26277ed5ce162217141f7f6025063392d932057.exea1punf5t2of.exe

pid process

2116 87116c9c8b3896216d763178a26277ed5ce162217141f7f6025063392d932057.exe
2960 a1punf5t2of.exe

pid	process
2960	a1punf5t2of.exe
2524	a1punf5t2of.exe

pid	process
2116	87116c9c8b3896216d763178a26277ed5ce162217141f7f6025063392d932057.exe
2960	a1punf5t2of.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

87116c9c8b3896216d763178a26277ed5ce162217141f7f6025063392d932057.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe"	87116c9c8b3896216d763178a26277ed5ce162217141f7f6025063392d932057.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 target process

PID 2960 set thread context of 2524 2960 a1punf5t2of.exe a1punf5t2of.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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

description	pid	process	target process
PID 2960 set thread context of 2524	2960	a1punf5t2of.exe	a1punf5t2of.exe

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:

87116c9c8b3896216d763178a26277ed5ce162217141f7f6025063392d932057.exea1punf5t2of.exea1punf5t2of.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	87116c9c8b3896216d763178a26277ed5ce162217141f7f6025063392d932057.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

Processes:

a1punf5t2of.exe

pid process

2524 a1punf5t2of.exe
2524 a1punf5t2of.exe
2524 a1punf5t2of.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

a1punf5t2of.exe

pid process

2524 a1punf5t2of.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

a1punf5t2of.exe

description pid process

Token: SeDebugPrivilege 2524 a1punf5t2of.exe

pid	process
2524	a1punf5t2of.exe
2524	a1punf5t2of.exe
2524	a1punf5t2of.exe

pid	process
2524	a1punf5t2of.exe

description	pid	process
Token: SeDebugPrivilege	2524	a1punf5t2of.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

87116c9c8b3896216d763178a26277ed5ce162217141f7f6025063392d932057.exea1punf5t2of.exe

description	pid	process	target process
PID 2116 wrote to memory of 2960	2116	87116c9c8b3896216d763178a26277ed5ce162217141f7f6025063392d932057.exe	a1punf5t2of.exe
PID 2116 wrote to memory of 2960	2116	87116c9c8b3896216d763178a26277ed5ce162217141f7f6025063392d932057.exe	a1punf5t2of.exe
PID 2116 wrote to memory of 2960	2116	87116c9c8b3896216d763178a26277ed5ce162217141f7f6025063392d932057.exe	a1punf5t2of.exe
PID 2116 wrote to memory of 2960	2116	87116c9c8b3896216d763178a26277ed5ce162217141f7f6025063392d932057.exe	a1punf5t2of.exe
PID 2116 wrote to memory of 2960	2116	87116c9c8b3896216d763178a26277ed5ce162217141f7f6025063392d932057.exe	a1punf5t2of.exe
PID 2116 wrote to memory of 2960	2116	87116c9c8b3896216d763178a26277ed5ce162217141f7f6025063392d932057.exe	a1punf5t2of.exe
PID 2116 wrote to memory of 2960	2116	87116c9c8b3896216d763178a26277ed5ce162217141f7f6025063392d932057.exe	a1punf5t2of.exe
PID 2960 wrote to memory of 2524	2960	a1punf5t2of.exe	a1punf5t2of.exe
PID 2960 wrote to memory of 2524	2960	a1punf5t2of.exe	a1punf5t2of.exe
PID 2960 wrote to memory of 2524	2960	a1punf5t2of.exe	a1punf5t2of.exe
PID 2960 wrote to memory of 2524	2960	a1punf5t2of.exe	a1punf5t2of.exe
PID 2960 wrote to memory of 2524	2960	a1punf5t2of.exe	a1punf5t2of.exe
PID 2960 wrote to memory of 2524	2960	a1punf5t2of.exe	a1punf5t2of.exe
PID 2960 wrote to memory of 2524	2960	a1punf5t2of.exe	a1punf5t2of.exe
PID 2960 wrote to memory of 2524	2960	a1punf5t2of.exe	a1punf5t2of.exe
PID 2960 wrote to memory of 2524	2960	a1punf5t2of.exe	a1punf5t2of.exe
PID 2960 wrote to memory of 2524	2960	a1punf5t2of.exe	a1punf5t2of.exe
PID 2960 wrote to memory of 2524	2960	a1punf5t2of.exe	a1punf5t2of.exe
PID 2960 wrote to memory of 2524	2960	a1punf5t2of.exe	a1punf5t2of.exe

C:\Users\Admin\AppData\Local\Temp\87116c9c8b3896216d763178a26277ed5ce162217141f7f6025063392d932057.exe
"C:\Users\Admin\AppData\Local\Temp\87116c9c8b3896216d763178a26277ed5ce162217141f7f6025063392d932057.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2116
- 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:2960
- - 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:2524

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
255KB

MD5
ed3240bdb2a4bec6c60334ea0061420a

SHA1
bf7f0de71dda522fd0266f3f315e09b0f94bda75

SHA256
d618d3bb4648c0f997282d904131008ffe1cd2ec08e3eeff7edf4134ebe29a5d

SHA512
20d56e86e89454bc74ebc3121ca1d7d5e5f15664cb5e2f99497e38aaed35c891006b10133fe436442ed8efd69e90d5c2dbef2318dbc31893c542274f4d5c5ee2

Download Submit
memory/2116-17-0x0000000074F00000-0x00000000754AB000-memory.dmp

Filesize
5.7MB

Download
memory/2116-1-0x0000000074F00000-0x00000000754AB000-memory.dmp

Filesize
5.7MB

Download
memory/2116-2-0x0000000074F00000-0x00000000754AB000-memory.dmp

Filesize
5.7MB

Download
memory/2116-3-0x0000000074F00000-0x00000000754AB000-memory.dmp

Filesize
5.7MB

Download
memory/2116-4-0x0000000074F00000-0x00000000754AB000-memory.dmp

Filesize
5.7MB

Download
memory/2116-5-0x0000000074F00000-0x00000000754AB000-memory.dmp

Filesize
5.7MB

Download
memory/2116-6-0x0000000074F00000-0x00000000754AB000-memory.dmp

Filesize
5.7MB

Download
memory/2116-0-0x0000000074F01000-0x0000000074F02000-memory.dmp

Filesize
4KB

Download
memory/2524-26-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2524-30-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2524-39-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2524-40-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2524-33-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2524-34-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2524-27-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2524-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2960-22-0x0000000074F00000-0x00000000754AB000-memory.dmp

Filesize
5.7MB

Download
memory/2960-15-0x0000000074F00000-0x00000000754AB000-memory.dmp

Filesize
5.7MB

Download
memory/2960-16-0x0000000074F00000-0x00000000754AB000-memory.dmp

Filesize
5.7MB

Download
memory/2960-21-0x0000000074F00000-0x00000000754AB000-memory.dmp

Filesize
5.7MB

Download
memory/2960-20-0x0000000074F00000-0x00000000754AB000-memory.dmp

Filesize
5.7MB

Download
memory/2960-19-0x0000000074F00000-0x00000000754AB000-memory.dmp

Filesize
5.7MB

Download
memory/2960-18-0x0000000074F00000-0x00000000754AB000-memory.dmp

Filesize
5.7MB

Download
memory/2960-42-0x0000000074F00000-0x00000000754AB000-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