nanocore | 2d7f482599803bb65734c48e70558a30304a1f912b7508bd7073dbafcaee7d83

General

Target

2d7f482599803bb65734c48e70558a30304a1f912b7508bd7073dbafcaee7d83.exe
Size

415KB
MD5

ae3f70952483caddf1ece74ebd2c0f54
SHA1

1eef346bbc2e86f55ffec12031084af0941afc76
SHA256

2d7f482599803bb65734c48e70558a30304a1f912b7508bd7073dbafcaee7d83
SHA512

a1c2cc8c85f7c8a00d02ed7f3ac1de5ff83d349b5f6bd26c64506bed974a059015f443ac4565b30e0b724ddbc6bf7b1a41dddff246182cbe937e99994add63ef
SSDEEP

6144:ITNE3ZRrnaBVlvphVxmP+6CiejgcME1cwYfU+va+RU70:ITNYrnE3bm/CiejewY5vn

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	2d7f482599803bb65734c48e70558a30304a1f912b7508bd7073dbafcaee7d83.exe

Executes dropped EXE 1 IoCs

pid	Process
1652	ximo2ubzn1i.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-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c5e4gxfvd4v = "C:\\Users\\Admin\\AppData\\Roaming\\c5e4gxfvd4v\\ximo2ubzn1i.exe"	2d7f482599803bb65734c48e70558a30304a1f912b7508bd7073dbafcaee7d83.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 1652 set thread context of 1920	1652	ximo2ubzn1i.exe	87

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	2d7f482599803bb65734c48e70558a30304a1f912b7508bd7073dbafcaee7d83.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ximo2ubzn1i.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regasm.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1920	regasm.exe
1920	regasm.exe
1920	regasm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1920	regasm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1920	regasm.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3980 wrote to memory of 1652	3980	2d7f482599803bb65734c48e70558a30304a1f912b7508bd7073dbafcaee7d83.exe	86
PID 3980 wrote to memory of 1652	3980	2d7f482599803bb65734c48e70558a30304a1f912b7508bd7073dbafcaee7d83.exe	86
PID 3980 wrote to memory of 1652	3980	2d7f482599803bb65734c48e70558a30304a1f912b7508bd7073dbafcaee7d83.exe	86
PID 1652 wrote to memory of 1920	1652	ximo2ubzn1i.exe	87
PID 1652 wrote to memory of 1920	1652	ximo2ubzn1i.exe	87
PID 1652 wrote to memory of 1920	1652	ximo2ubzn1i.exe	87
PID 1652 wrote to memory of 1920	1652	ximo2ubzn1i.exe	87
PID 1652 wrote to memory of 1920	1652	ximo2ubzn1i.exe	87
PID 1652 wrote to memory of 1920	1652	ximo2ubzn1i.exe	87
PID 1652 wrote to memory of 1920	1652	ximo2ubzn1i.exe	87
PID 1652 wrote to memory of 1920	1652	ximo2ubzn1i.exe	87

C:\Users\Admin\AppData\Local\Temp\2d7f482599803bb65734c48e70558a30304a1f912b7508bd7073dbafcaee7d83.exe
"C:\Users\Admin\AppData\Local\Temp\2d7f482599803bb65734c48e70558a30304a1f912b7508bd7073dbafcaee7d83.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3980
- 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:1652
- - 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:1920

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

Query Registry

1

T1012

System Information Discovery

3

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\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe

Filesize
415KB

MD5
c41eed675767ebdc0a55dea3055ed900

SHA1
30b89ff7dc5486185df6a99bc50d3c83882e4e2f

SHA256
ab0b24022fd1b3d006b4f7afce902305693e2b831b842e00f991db138f7b9d7b

SHA512
1e7c45d17dc7523fa2ba2a3712ac5bbd901561d955b4ee7bc8b06f0f4727a4934139068727db9e666229ee49260004c4387fd99140e52d834326531ef18338d1

Download Submit
memory/1652-35-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/1652-33-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/1652-22-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/1652-21-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/1920-28-0x00000000058E0000-0x000000000597C000-memory.dmp

Filesize
624KB

Download
memory/1920-32-0x0000000006770000-0x000000000677A000-memory.dmp

Filesize
40KB

Download
memory/1920-36-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/1920-31-0x0000000005C90000-0x0000000005CAE000-memory.dmp

Filesize
120KB

Download
memory/1920-30-0x0000000005C80000-0x0000000005C8A000-memory.dmp

Filesize
40KB

Download
memory/1920-27-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/1920-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1920-25-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1920-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3980-3-0x0000000005600000-0x0000000005692000-memory.dmp

Filesize
584KB

Download
memory/3980-0-0x0000000074F2E000-0x0000000074F2F000-memory.dmp

Filesize
4KB

Download
memory/3980-20-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/3980-4-0x00000000057A0000-0x00000000057AA000-memory.dmp

Filesize
40KB

Download
memory/3980-6-0x0000000005AC0000-0x0000000005AFC000-memory.dmp

Filesize
240KB

Download
memory/3980-2-0x0000000005B10000-0x00000000060B4000-memory.dmp

Filesize
5.6MB

Download
memory/3980-1-0x0000000000BB0000-0x0000000000C1E000-memory.dmp

Filesize
440KB

Download
memory/3980-5-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads