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

Executes dropped EXE 1 IoCs

pid	Process
2108	ximo2ubzn1i.exe

Loads dropped DLL 1 IoCs

pid	Process
2092	2d7f482599803bb65734c48e70558a30304a1f912b7508bd7073dbafcaee7d83.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-1-5-21-1488793075-819845221-1497111674-1000\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 2108 set thread context of 2764	2108	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	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
2764	regasm.exe
2764	regasm.exe
2764	regasm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2764	regasm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2764	regasm.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2092 wrote to memory of 2108	2092	2d7f482599803bb65734c48e70558a30304a1f912b7508bd7073dbafcaee7d83.exe	31
PID 2092 wrote to memory of 2108	2092	2d7f482599803bb65734c48e70558a30304a1f912b7508bd7073dbafcaee7d83.exe	31
PID 2092 wrote to memory of 2108	2092	2d7f482599803bb65734c48e70558a30304a1f912b7508bd7073dbafcaee7d83.exe	31
PID 2092 wrote to memory of 2108	2092	2d7f482599803bb65734c48e70558a30304a1f912b7508bd7073dbafcaee7d83.exe	31
PID 2108 wrote to memory of 2764	2108	ximo2ubzn1i.exe	32
PID 2108 wrote to memory of 2764	2108	ximo2ubzn1i.exe	32
PID 2108 wrote to memory of 2764	2108	ximo2ubzn1i.exe	32
PID 2108 wrote to memory of 2764	2108	ximo2ubzn1i.exe	32
PID 2108 wrote to memory of 2764	2108	ximo2ubzn1i.exe	32
PID 2108 wrote to memory of 2764	2108	ximo2ubzn1i.exe	32
PID 2108 wrote to memory of 2764	2108	ximo2ubzn1i.exe	32
PID 2108 wrote to memory of 2764	2108	ximo2ubzn1i.exe	32
PID 2108 wrote to memory of 2764	2108	ximo2ubzn1i.exe	32
PID 2108 wrote to memory of 2764	2108	ximo2ubzn1i.exe	32
PID 2108 wrote to memory of 2764	2108	ximo2ubzn1i.exe	32
PID 2108 wrote to memory of 2764	2108	ximo2ubzn1i.exe	32

C:\Users\Admin\AppData\Local\Temp\2d7f482599803bb65734c48e70558a30304a1f912b7508bd7073dbafcaee7d83.exe
"C:\Users\Admin\AppData\Local\Temp\2d7f482599803bb65734c48e70558a30304a1f912b7508bd7073dbafcaee7d83.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2092
- 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:2108
- - 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:2764

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

C:\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe

Filesize
415KB

MD5
f1af15a38cb6d34808441950c97e73e3

SHA1
aac5c2443bba19e10b6f2756d1f96799850bccb3

SHA256
11ef8556f185534f697b97c8e9b8f1b0be0a52850142012e9109e613af4c8e77

SHA512
8fa61050b6d93094e5728713d5378cec12db4968dd47f347b81efc0264828c892ed587f07c094262395cab9f268f9f9237b0cda0fbd5a5b9f3de5faeb4ec96c3

Download Submit
memory/2092-1-0x0000000000B70000-0x0000000000BDE000-memory.dmp

Filesize
440KB

Download
memory/2092-2-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2092-3-0x00000000041E0000-0x000000000421C000-memory.dmp

Filesize
240KB

Download
memory/2092-15-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2092-0-0x000000007463E000-0x000000007463F000-memory.dmp

Filesize
4KB

Download
memory/2108-38-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2108-12-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2108-13-0x0000000000FB0000-0x000000000101E000-memory.dmp

Filesize
440KB

Download
memory/2108-14-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2108-39-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2764-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2764-33-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2764-31-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2764-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2764-26-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2764-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2764-35-0x00000000002B0000-0x00000000002BA000-memory.dmp

Filesize
40KB

Download
memory/2764-36-0x00000000002C0000-0x00000000002DE000-memory.dmp

Filesize
120KB

Download
memory/2764-37-0x00000000003E0000-0x00000000003EA000-memory.dmp

Filesize
40KB

Download
memory/2764-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2764-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads