nanocore | ffa7ae7917c6b9fb468599915feaca769b3381e975899e2db42991934bed3724

General

Target

ffa7ae7917c6b9fb468599915feaca769b3381e975899e2db42991934bed3724.exe
Size

415KB
MD5

690ca0b3c7061412fa7e8a859c164e9d
SHA1

13777bd543ea02a1e860d5fd41aeb2e12414e6b0
SHA256

ffa7ae7917c6b9fb468599915feaca769b3381e975899e2db42991934bed3724
SHA512

03f582d0a5d94dd633e6c8781a53556ab77059aff29bf83a92941e9d857c8d26ae95a244de4eabd01fd59cfd48e3b62a38ac253b3cd20baf08670cd2d2d48815
SSDEEP

6144:ITNE3ZRrnaBVlvphVxmP+6CiejgcME1cwYfU+va+RUwo:ITNYrnE3bm/CiejewY5vc

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
Nanocore family
nanocore

Executes dropped EXE 1 IoCs

pid	Process
2876	ximo2ubzn1i.exe

Loads dropped DLL 1 IoCs

pid	Process
2892	ffa7ae7917c6b9fb468599915feaca769b3381e975899e2db42991934bed3724.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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\c5e4gxfvd4v = "C:\\Users\\Admin\\AppData\\Roaming\\c5e4gxfvd4v\\ximo2ubzn1i.exe"	ffa7ae7917c6b9fb468599915feaca769b3381e975899e2db42991934bed3724.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 2876 set thread context of 2832	2876	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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ffa7ae7917c6b9fb468599915feaca769b3381e975899e2db42991934bed3724.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
2832	regasm.exe
2832	regasm.exe
2832	regasm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2832	regasm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2832	regasm.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2892 wrote to memory of 2876	2892	ffa7ae7917c6b9fb468599915feaca769b3381e975899e2db42991934bed3724.exe	30
PID 2892 wrote to memory of 2876	2892	ffa7ae7917c6b9fb468599915feaca769b3381e975899e2db42991934bed3724.exe	30
PID 2892 wrote to memory of 2876	2892	ffa7ae7917c6b9fb468599915feaca769b3381e975899e2db42991934bed3724.exe	30
PID 2892 wrote to memory of 2876	2892	ffa7ae7917c6b9fb468599915feaca769b3381e975899e2db42991934bed3724.exe	30
PID 2876 wrote to memory of 2832	2876	ximo2ubzn1i.exe	31
PID 2876 wrote to memory of 2832	2876	ximo2ubzn1i.exe	31
PID 2876 wrote to memory of 2832	2876	ximo2ubzn1i.exe	31
PID 2876 wrote to memory of 2832	2876	ximo2ubzn1i.exe	31
PID 2876 wrote to memory of 2832	2876	ximo2ubzn1i.exe	31
PID 2876 wrote to memory of 2832	2876	ximo2ubzn1i.exe	31
PID 2876 wrote to memory of 2832	2876	ximo2ubzn1i.exe	31
PID 2876 wrote to memory of 2832	2876	ximo2ubzn1i.exe	31
PID 2876 wrote to memory of 2832	2876	ximo2ubzn1i.exe	31
PID 2876 wrote to memory of 2832	2876	ximo2ubzn1i.exe	31
PID 2876 wrote to memory of 2832	2876	ximo2ubzn1i.exe	31
PID 2876 wrote to memory of 2832	2876	ximo2ubzn1i.exe	31

C:\Users\Admin\AppData\Local\Temp\ffa7ae7917c6b9fb468599915feaca769b3381e975899e2db42991934bed3724.exe
"C:\Users\Admin\AppData\Local\Temp\ffa7ae7917c6b9fb468599915feaca769b3381e975899e2db42991934bed3724.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2892
- 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:2876
- - 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:2832

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
415KB

MD5
2b568ab998df67ca14a650041671ea74

SHA1
256d01794b174f2a5f7014329412b25c25c2c78f

SHA256
9cfa46a20e2f1c3d0169b73cf4135796b00a6c57f3e9902b93b00e6e821c2a90

SHA512
58fba13c3e550526d40d4f3e7c8eb4e34a007474422c812fa37681589e799b8ab33834baa26c0d438f719e05ac8760dc8e7c500e538e4f01a3f34caf32f19a8c

Download Submit
memory/2832-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2832-35-0x0000000000480000-0x000000000048A000-memory.dmp

Filesize
40KB

Download
memory/2832-37-0x00000000005F0000-0x00000000005FA000-memory.dmp

Filesize
40KB

Download
memory/2832-36-0x00000000005D0000-0x00000000005EE000-memory.dmp

Filesize
120KB

Download
memory/2832-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2832-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2832-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2832-33-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2832-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2832-29-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2832-31-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2876-15-0x0000000074890000-0x0000000074F7E000-memory.dmp

Filesize
6.9MB

Download
memory/2876-14-0x0000000000FE0000-0x000000000104E000-memory.dmp

Filesize
440KB

Download
memory/2876-12-0x0000000074890000-0x0000000074F7E000-memory.dmp

Filesize
6.9MB

Download
memory/2876-38-0x0000000074890000-0x0000000074F7E000-memory.dmp

Filesize
6.9MB

Download
memory/2876-39-0x0000000074890000-0x0000000074F7E000-memory.dmp

Filesize
6.9MB

Download
memory/2892-2-0x0000000074890000-0x0000000074F7E000-memory.dmp

Filesize
6.9MB

Download
memory/2892-0-0x000000007489E000-0x000000007489F000-memory.dmp

Filesize
4KB

Download
memory/2892-13-0x0000000074890000-0x0000000074F7E000-memory.dmp

Filesize
6.9MB

Download
memory/2892-1-0x0000000000850000-0x00000000008BE000-memory.dmp

Filesize
440KB

Download
memory/2892-3-0x00000000006B0000-0x00000000006EC000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads