nanocore | bf063db4b03643cc76e2276d9bbe818eee9e47329ca1056bc60d5a58304cd81d

General

Target

bf063db4b03643cc76e2276d9bbe818eee9e47329ca1056bc60d5a58304cd81dN.exe
Size

415KB
MD5

c89b254e9e6735a9c124b1fc4823cd20
SHA1

bad2bc6d19bcc6e50632e7fa9dcbf16eabb4ac14
SHA256

bf063db4b03643cc76e2276d9bbe818eee9e47329ca1056bc60d5a58304cd81d
SHA512

b62ad2001c4c33146609e032444952b0da19293cd2123c7ffaadb08a23ddba904830eca617a330c8d8836fb6b8453435db384f4f8b5577b01d071d5bd86a7b29
SSDEEP

6144:ITNE3ZRrnaBVlvphVxmP+6CiejgcME1cwYfU+va+RU7/:ITNYrnE3bm/CiejewY5v8

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

Processes:

ximo2ubzn1i.exe

pid	Process
2756	ximo2ubzn1i.exe

Loads dropped DLL 1 IoCs

Processes:

bf063db4b03643cc76e2276d9bbe818eee9e47329ca1056bc60d5a58304cd81dN.exe

pid	Process
2688	bf063db4b03643cc76e2276d9bbe818eee9e47329ca1056bc60d5a58304cd81dN.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

bf063db4b03643cc76e2276d9bbe818eee9e47329ca1056bc60d5a58304cd81dN.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\c5e4gxfvd4v = "C:\\Users\\Admin\\AppData\\Roaming\\c5e4gxfvd4v\\ximo2ubzn1i.exe"	bf063db4b03643cc76e2276d9bbe818eee9e47329ca1056bc60d5a58304cd81dN.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

regasm.exe

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

ximo2ubzn1i.exe

description	pid	Process	procid_target
PID 2756 set thread context of 1072	2756	ximo2ubzn1i.exe	31

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:

regasm.exebf063db4b03643cc76e2276d9bbe818eee9e47329ca1056bc60d5a58304cd81dN.exeximo2ubzn1i.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regasm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bf063db4b03643cc76e2276d9bbe818eee9e47329ca1056bc60d5a58304cd81dN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ximo2ubzn1i.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

regasm.exe

pid	Process
1072	regasm.exe
1072	regasm.exe
1072	regasm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

regasm.exe

pid	Process
1072	regasm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

regasm.exe

description	pid	Process
Token: SeDebugPrivilege	1072	regasm.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

bf063db4b03643cc76e2276d9bbe818eee9e47329ca1056bc60d5a58304cd81dN.exeximo2ubzn1i.exe

description	pid	Process	procid_target
PID 2688 wrote to memory of 2756	2688	bf063db4b03643cc76e2276d9bbe818eee9e47329ca1056bc60d5a58304cd81dN.exe	30
PID 2688 wrote to memory of 2756	2688	bf063db4b03643cc76e2276d9bbe818eee9e47329ca1056bc60d5a58304cd81dN.exe	30
PID 2688 wrote to memory of 2756	2688	bf063db4b03643cc76e2276d9bbe818eee9e47329ca1056bc60d5a58304cd81dN.exe	30
PID 2688 wrote to memory of 2756	2688	bf063db4b03643cc76e2276d9bbe818eee9e47329ca1056bc60d5a58304cd81dN.exe	30
PID 2756 wrote to memory of 1072	2756	ximo2ubzn1i.exe	31
PID 2756 wrote to memory of 1072	2756	ximo2ubzn1i.exe	31
PID 2756 wrote to memory of 1072	2756	ximo2ubzn1i.exe	31
PID 2756 wrote to memory of 1072	2756	ximo2ubzn1i.exe	31
PID 2756 wrote to memory of 1072	2756	ximo2ubzn1i.exe	31
PID 2756 wrote to memory of 1072	2756	ximo2ubzn1i.exe	31
PID 2756 wrote to memory of 1072	2756	ximo2ubzn1i.exe	31
PID 2756 wrote to memory of 1072	2756	ximo2ubzn1i.exe	31
PID 2756 wrote to memory of 1072	2756	ximo2ubzn1i.exe	31
PID 2756 wrote to memory of 1072	2756	ximo2ubzn1i.exe	31
PID 2756 wrote to memory of 1072	2756	ximo2ubzn1i.exe	31
PID 2756 wrote to memory of 1072	2756	ximo2ubzn1i.exe	31

C:\Users\Admin\AppData\Local\Temp\bf063db4b03643cc76e2276d9bbe818eee9e47329ca1056bc60d5a58304cd81dN.exe
"C:\Users\Admin\AppData\Local\Temp\bf063db4b03643cc76e2276d9bbe818eee9e47329ca1056bc60d5a58304cd81dN.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2688
- 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:2756
- - 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:1072

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
415KB

MD5
51a5920ff1fb14df53a53c941a780680

SHA1
3ca555af5f47238c39e91a1dbd548dcb7682c480

SHA256
6e8290954666d792d7319bba106887cd261379302f8be5a90093ce817b241f77

SHA512
6394fa8c16a545df8cbf27b9abc26781e207150e0e7f6793b853f1c62f7e3236791025a9206a800ebb693c30fef46c5548eeef524cc490460813ded4334d732e

Download Submit
memory/1072-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1072-31-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1072-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1072-33-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1072-29-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1072-37-0x0000000000490000-0x000000000049A000-memory.dmp

Filesize
40KB

Download
memory/1072-36-0x0000000000470000-0x000000000048E000-memory.dmp

Filesize
120KB

Download
memory/1072-35-0x0000000000460000-0x000000000046A000-memory.dmp

Filesize
40KB

Download
memory/1072-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1072-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1072-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2688-12-0x0000000073C00000-0x00000000742EE000-memory.dmp

Filesize
6.9MB

Download
memory/2688-1-0x0000000000D40000-0x0000000000DAE000-memory.dmp

Filesize
440KB

Download
memory/2688-2-0x0000000073C00000-0x00000000742EE000-memory.dmp

Filesize
6.9MB

Download
memory/2688-0-0x0000000073C0E000-0x0000000073C0F000-memory.dmp

Filesize
4KB

Download
memory/2688-3-0x00000000004F0000-0x000000000052C000-memory.dmp

Filesize
240KB

Download
memory/2756-15-0x0000000073C00000-0x00000000742EE000-memory.dmp

Filesize
6.9MB

Download
memory/2756-14-0x0000000073C00000-0x00000000742EE000-memory.dmp

Filesize
6.9MB

Download
memory/2756-13-0x0000000000CF0000-0x0000000000D5E000-memory.dmp

Filesize
440KB

Download
memory/2756-38-0x0000000073C00000-0x00000000742EE000-memory.dmp

Filesize
6.9MB

Download
memory/2756-39-0x0000000073C00000-0x00000000742EE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads