nanocore | aba420016501add93ba97420efaa7b924de03363dadb7e1b60df84f4985610fb

General

Target

aba420016501add93ba97420efaa7b924de03363dadb7e1b60df84f4985610fb.exe
Size

3.4MB
MD5

6d2ed305d5b75478b81d6583a2e06ad3
SHA1

88384204864cfc077b39c9d0d1ab3efca917539d
SHA256

aba420016501add93ba97420efaa7b924de03363dadb7e1b60df84f4985610fb
SHA512

37749ce3c134cfcf096e8848738a56dc0b7a7d3c65d2a0db4da8311344f4ffde2a4927fdf8c5b6f68f36ba46e7ae6f3e95447f7e76cb0185e0f552549b1fabf2
SSDEEP

49152:Ikwkn9IMHealYdbRv+eR2tnJu1R9e/KleIL7sUQTE1YaPCS:zdnVdGp+PIfdmE1HPC

Score

10^/10

nanocore defense_evasion discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

youbeshitmanjho.tk:1607

Mutex

8553b9d3-e90e-49db-922f-c6b020e4dc25

Attributes

activate_away_mode
true
backup_connection_host
youbeshitmanjho.tk
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2017-07-06T18:23:38.978011636Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
1607
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
8553b9d3-e90e-49db-922f-c6b020e4dc25
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
youbeshitmanjho.tk
primary_dns_server
8.8.8.8
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

Drops startup file 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\taH1jLEuuj.eu.url	aba420016501add93ba97420efaa7b924de03363dadb7e1b60df84f4985610fb.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	RegAsm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3740 set thread context of 624	3740	aba420016501add93ba97420efaa7b924de03363dadb7e1b60df84f4985610fb.exe	90

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	aba420016501add93ba97420efaa7b924de03363dadb7e1b60df84f4985610fb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aba420016501add93ba97420efaa7b924de03363dadb7e1b60df84f4985610fb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 17 IoCs

pid	Process
4116	aba420016501add93ba97420efaa7b924de03363dadb7e1b60df84f4985610fb.exe
4116	aba420016501add93ba97420efaa7b924de03363dadb7e1b60df84f4985610fb.exe
4116	aba420016501add93ba97420efaa7b924de03363dadb7e1b60df84f4985610fb.exe
4116	aba420016501add93ba97420efaa7b924de03363dadb7e1b60df84f4985610fb.exe
4116	aba420016501add93ba97420efaa7b924de03363dadb7e1b60df84f4985610fb.exe
4116	aba420016501add93ba97420efaa7b924de03363dadb7e1b60df84f4985610fb.exe
4116	aba420016501add93ba97420efaa7b924de03363dadb7e1b60df84f4985610fb.exe
4116	aba420016501add93ba97420efaa7b924de03363dadb7e1b60df84f4985610fb.exe
3740	aba420016501add93ba97420efaa7b924de03363dadb7e1b60df84f4985610fb.exe
3740	aba420016501add93ba97420efaa7b924de03363dadb7e1b60df84f4985610fb.exe
3740	aba420016501add93ba97420efaa7b924de03363dadb7e1b60df84f4985610fb.exe
3740	aba420016501add93ba97420efaa7b924de03363dadb7e1b60df84f4985610fb.exe
3740	aba420016501add93ba97420efaa7b924de03363dadb7e1b60df84f4985610fb.exe
3740	aba420016501add93ba97420efaa7b924de03363dadb7e1b60df84f4985610fb.exe
624	RegAsm.exe
624	RegAsm.exe
624	RegAsm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
624	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	624	RegAsm.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4116 wrote to memory of 4796	4116	aba420016501add93ba97420efaa7b924de03363dadb7e1b60df84f4985610fb.exe	87
PID 4116 wrote to memory of 4796	4116	aba420016501add93ba97420efaa7b924de03363dadb7e1b60df84f4985610fb.exe	87
PID 4116 wrote to memory of 4796	4116	aba420016501add93ba97420efaa7b924de03363dadb7e1b60df84f4985610fb.exe	87
PID 4116 wrote to memory of 3740	4116	aba420016501add93ba97420efaa7b924de03363dadb7e1b60df84f4985610fb.exe	88
PID 4116 wrote to memory of 3740	4116	aba420016501add93ba97420efaa7b924de03363dadb7e1b60df84f4985610fb.exe	88
PID 4116 wrote to memory of 3740	4116	aba420016501add93ba97420efaa7b924de03363dadb7e1b60df84f4985610fb.exe	88
PID 3740 wrote to memory of 624	3740	aba420016501add93ba97420efaa7b924de03363dadb7e1b60df84f4985610fb.exe	90
PID 3740 wrote to memory of 624	3740	aba420016501add93ba97420efaa7b924de03363dadb7e1b60df84f4985610fb.exe	90
PID 3740 wrote to memory of 624	3740	aba420016501add93ba97420efaa7b924de03363dadb7e1b60df84f4985610fb.exe	90
PID 3740 wrote to memory of 624	3740	aba420016501add93ba97420efaa7b924de03363dadb7e1b60df84f4985610fb.exe	90
PID 3740 wrote to memory of 624	3740	aba420016501add93ba97420efaa7b924de03363dadb7e1b60df84f4985610fb.exe	90
PID 3740 wrote to memory of 624	3740	aba420016501add93ba97420efaa7b924de03363dadb7e1b60df84f4985610fb.exe	90
PID 3740 wrote to memory of 624	3740	aba420016501add93ba97420efaa7b924de03363dadb7e1b60df84f4985610fb.exe	90
PID 3740 wrote to memory of 624	3740	aba420016501add93ba97420efaa7b924de03363dadb7e1b60df84f4985610fb.exe	90
PID 3740 wrote to memory of 624	3740	aba420016501add93ba97420efaa7b924de03363dadb7e1b60df84f4985610fb.exe	90

C:\Users\Admin\AppData\Local\Temp\aba420016501add93ba97420efaa7b924de03363dadb7e1b60df84f4985610fb.exe
"C:\Users\Admin\AppData\Local\Temp\aba420016501add93ba97420efaa7b924de03363dadb7e1b60df84f4985610fb.exe"
1⤵
- Drops startup file
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4116
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
  2⤵
  PID:4796
- C:\Users\Admin\AppData\Local\Temp\aba420016501add93ba97420efaa7b924de03363dadb7e1b60df84f4985610fb.exe
  C:\Users\Admin\AppData\Local\Temp\aba420016501add93ba97420efaa7b924de03363dadb7e1b60df84f4985610fb.exe
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3740
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
    3⤵
    - Checks whether UAC is enabled
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:624

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

C:\Users\Admin\AppData\Local\Temp\autCFF2.tmp

Filesize
202KB

MD5
43faf4f64e5305a1647b7af208c87b2a

SHA1
7f59aa31f412619775f505616f236418fd0becd0

SHA256
53b6e017edf7e97189f11c2a15664f21e4e8768c1082907ef5ffa94c16d7e476

SHA512
9684cdfd2f10ea3a3002b5ee596d94a0532ca7d619c7e558ae979f7d4f10bddcef0de1f5c31a00fb03951e882ff3cd5612ccf71e438755cf434100e0987486ee

Download Submit
memory/624-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/624-13-0x0000000073962000-0x0000000073963000-memory.dmp

Filesize
4KB

Download
memory/624-14-0x0000000073960000-0x0000000073F11000-memory.dmp

Filesize
5.7MB

Download
memory/624-15-0x0000000073960000-0x0000000073F11000-memory.dmp

Filesize
5.7MB

Download
memory/624-17-0x0000000073962000-0x0000000073963000-memory.dmp

Filesize
4KB

Download
memory/624-18-0x0000000073960000-0x0000000073F11000-memory.dmp

Filesize
5.7MB

Download
memory/624-19-0x0000000073960000-0x0000000073F11000-memory.dmp

Filesize
5.7MB

Download
memory/4116-10-0x0000000003F50000-0x0000000003F51000-memory.dmp

Filesize
4KB

Download

Analysis

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