nanocore | 6b0c280cf1abcc60a710e7d973465ff78145485ef099740046e83d49ea2487df

General

Target

6b0c280cf1abcc60a710e7d973465ff78145485ef099740046e83d49ea2487df.exe
Size

413KB
MD5

26ff685918c9334caee79c11bcd81cff
SHA1

d653eb3681014a21b794e23eee975fc4a8ff1a1c
SHA256

6b0c280cf1abcc60a710e7d973465ff78145485ef099740046e83d49ea2487df
SHA512

73e539553b239f8338943b93ff3e7940f95fe901d13dba55a02ceac9250cba77977d59a3a97c8d1cfe40c3c56d581bf25c5de3d2fc20f1fa76c79110939cf163
SSDEEP

6144:ITNE3ZRrnaBVlvphVxmP+6CiejgcME1cwYfU+va+RU2:ITNYrnE3bm/CiejewY5vp

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

[email protected]:46218

178.32.224.116:46218

Mutex

4af74541-e3f1-469c-8af7-efe4071b81cf

Attributes

activate_away_mode
false
backup_connection_host
178.32.224.116
backup_dns_server
buffer_size
65535
build_time
2018-07-28T12:59:38.488799236Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
false
clear_zone_identifier
false
connect_delay
4000
connection_port
46218
default_group
tourex
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
4af74541-e3f1-469c-8af7-efe4071b81cf
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
[email protected]
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

Executes dropped EXE 1 IoCs

pid	Process
2760	ximo2ubzn1i.exe

Loads dropped DLL 1 IoCs

pid	Process
2432	6b0c280cf1abcc60a710e7d973465ff78145485ef099740046e83d49ea2487df.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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\c5e4gxfvd4v = "C:\\Users\\Admin\\AppData\\Roaming\\c5e4gxfvd4v\\ximo2ubzn1i.exe"	6b0c280cf1abcc60a710e7d973465ff78145485ef099740046e83d49ea2487df.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	regasm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2760 set thread context of 2780	2760	ximo2ubzn1i.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	ximo2ubzn1i.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regasm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6b0c280cf1abcc60a710e7d973465ff78145485ef099740046e83d49ea2487df.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2780	regasm.exe
2780	regasm.exe
2780	regasm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2780	regasm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2780	regasm.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2432 wrote to memory of 2760	2432	6b0c280cf1abcc60a710e7d973465ff78145485ef099740046e83d49ea2487df.exe	31
PID 2432 wrote to memory of 2760	2432	6b0c280cf1abcc60a710e7d973465ff78145485ef099740046e83d49ea2487df.exe	31
PID 2432 wrote to memory of 2760	2432	6b0c280cf1abcc60a710e7d973465ff78145485ef099740046e83d49ea2487df.exe	31
PID 2432 wrote to memory of 2760	2432	6b0c280cf1abcc60a710e7d973465ff78145485ef099740046e83d49ea2487df.exe	31
PID 2760 wrote to memory of 2780	2760	ximo2ubzn1i.exe	32
PID 2760 wrote to memory of 2780	2760	ximo2ubzn1i.exe	32
PID 2760 wrote to memory of 2780	2760	ximo2ubzn1i.exe	32
PID 2760 wrote to memory of 2780	2760	ximo2ubzn1i.exe	32
PID 2760 wrote to memory of 2780	2760	ximo2ubzn1i.exe	32
PID 2760 wrote to memory of 2780	2760	ximo2ubzn1i.exe	32
PID 2760 wrote to memory of 2780	2760	ximo2ubzn1i.exe	32
PID 2760 wrote to memory of 2780	2760	ximo2ubzn1i.exe	32
PID 2760 wrote to memory of 2780	2760	ximo2ubzn1i.exe	32
PID 2760 wrote to memory of 2780	2760	ximo2ubzn1i.exe	32
PID 2760 wrote to memory of 2780	2760	ximo2ubzn1i.exe	32
PID 2760 wrote to memory of 2780	2760	ximo2ubzn1i.exe	32

C:\Users\Admin\AppData\Local\Temp\6b0c280cf1abcc60a710e7d973465ff78145485ef099740046e83d49ea2487df.exe
"C:\Users\Admin\AppData\Local\Temp\6b0c280cf1abcc60a710e7d973465ff78145485ef099740046e83d49ea2487df.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2432
- C:\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe
  "C:\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2760
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\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:2780

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\c5e4gxfvd4v\ximo2ubzn1i.exe

Filesize
413KB

MD5
cdfdca10fe9986dd9682c04bea58ece5

SHA1
645419f6ce640cc65e40aa5789870583268e20f1

SHA256
b07d0d724b6ce01fe08c01c9afffc47787f54461619d8aa35a4ac8d741395077

SHA512
a216f5bd275f8d1e93842e4e0dedb6bf5f93ee6613200c18e4dbcb156faf35febf694881090fc6b6812bcabbd1c0b76b00d70233def56e64d0dc56dbee51c504

Download Submit
memory/2432-1-0x0000000001020000-0x000000000108E000-memory.dmp

Filesize
440KB

Download
memory/2432-2-0x00000000742A0000-0x000000007498E000-memory.dmp

Filesize
6.9MB

Download
memory/2432-3-0x0000000000690000-0x00000000006CC000-memory.dmp

Filesize
240KB

Download
memory/2432-12-0x00000000742A0000-0x000000007498E000-memory.dmp

Filesize
6.9MB

Download
memory/2432-0-0x00000000742AE000-0x00000000742AF000-memory.dmp

Filesize
4KB

Download
memory/2760-34-0x00000000742A0000-0x000000007498E000-memory.dmp

Filesize
6.9MB

Download
memory/2760-13-0x0000000000050000-0x00000000000BE000-memory.dmp

Filesize
440KB

Download
memory/2760-14-0x00000000742A0000-0x000000007498E000-memory.dmp

Filesize
6.9MB

Download
memory/2760-15-0x00000000742A0000-0x000000007498E000-memory.dmp

Filesize
6.9MB

Download
memory/2760-35-0x00000000742A0000-0x000000007498E000-memory.dmp

Filesize
6.9MB

Download
memory/2780-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2780-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2780-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2780-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2780-28-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2780-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2780-31-0x00000000002C0000-0x00000000002CA000-memory.dmp

Filesize
40KB

Download
memory/2780-32-0x00000000002D0000-0x00000000002EE000-memory.dmp

Filesize
120KB

Download
memory/2780-33-0x00000000003F0000-0x00000000003FA000-memory.dmp

Filesize
40KB

Download
memory/2780-29-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2780-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads