nanocore | 6bd8752721961021fe3356cc8d86fe4eb0a047da99d7a12a6b259bc8a8e8a69c

General

Target

544edf100b10c476b64a94d57bcdb420N.exe
Size

263KB
MD5

544edf100b10c476b64a94d57bcdb420
SHA1

4b079dcf9c9cb9b5d83c8b851452d6167c513ee8
SHA256

6bd8752721961021fe3356cc8d86fe4eb0a047da99d7a12a6b259bc8a8e8a69c
SHA512

f62c34a13839c7dbc057488968cf66709271b16d6bc677c9e4454ec8d04aef37eb8b0a4f95b295516626f82e4027d6d20088ae30a7593d036f1e9c9eedd6aa52
SSDEEP

6144:DsJgrxS5aqAO3dRgCP2whbyrIq/jWPbO46sLcLOfj:uglS5aJO3YCPfhbyrX/mbObrOfj

Score

10^/10

nanocore discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

justinalwhitedd554.duckdns.org:7632

paymentmaba.sinsincity.com:7632

Mutex

6a8cfd5d-4b59-4ef3-89b5-b939bcb234ae

Attributes

activate_away_mode
true
backup_connection_host
paymentmaba.sinsincity.com
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-01-27T18:21:44.903118536Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
7632
default_group
Faggy
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
6a8cfd5d-4b59-4ef3-89b5-b939bcb234ae
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
justinalwhitedd554.duckdns.org
primary_dns_server
8.8.8.8
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

Loads dropped DLL 2 IoCs

pid	Process
2696	544edf100b10c476b64a94d57bcdb420N.exe
2696	544edf100b10c476b64a94d57bcdb420N.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-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows\CurrentVersion\Run\xpygqypvqjckon = "C:\\Users\\Admin\\AppData\\Roaming\\yevoijortgqwde\\kwvsicwa.exe"	544edf100b10c476b64a94d57bcdb420N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2696 set thread context of 2780	2696	544edf100b10c476b64a94d57bcdb420N.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 2 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	544edf100b10c476b64a94d57bcdb420N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2696	544edf100b10c476b64a94d57bcdb420N.exe
2696	544edf100b10c476b64a94d57bcdb420N.exe
2696	544edf100b10c476b64a94d57bcdb420N.exe
2696	544edf100b10c476b64a94d57bcdb420N.exe
2780	MSBuild.exe
2780	MSBuild.exe
2780	MSBuild.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2780	MSBuild.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2696	544edf100b10c476b64a94d57bcdb420N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2780	MSBuild.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2696 wrote to memory of 2780	2696	544edf100b10c476b64a94d57bcdb420N.exe	31
PID 2696 wrote to memory of 2780	2696	544edf100b10c476b64a94d57bcdb420N.exe	31
PID 2696 wrote to memory of 2780	2696	544edf100b10c476b64a94d57bcdb420N.exe	31
PID 2696 wrote to memory of 2780	2696	544edf100b10c476b64a94d57bcdb420N.exe	31
PID 2696 wrote to memory of 2780	2696	544edf100b10c476b64a94d57bcdb420N.exe	31

C:\Users\Admin\AppData\Local\Temp\544edf100b10c476b64a94d57bcdb420N.exe
"C:\Users\Admin\AppData\Local\Temp\544edf100b10c476b64a94d57bcdb420N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2696
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
  "C:\Users\Admin\AppData\Local\Temp\544edf100b10c476b64a94d57bcdb420N.exe"
  2⤵
  - 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

1

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\Local\Temp\nsd80D5.tmp\System.dll

Filesize
11KB

MD5
fccff8cb7a1067e23fd2e2b63971a8e1

SHA1
30e2a9e137c1223a78a0f7b0bf96a1c361976d91

SHA256
6fcea34c8666b06368379c6c402b5321202c11b00889401c743fb96c516c679e

SHA512
f4335e84e6f8d70e462a22f1c93d2998673a7616c868177cac3e8784a3be1d7d0bb96f2583fa0ed82f4f2b6b8f5d9b33521c279a42e055d80a94b4f3f1791e0c

Download Submit
memory/2780-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

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

Filesize
224KB

Download
memory/2780-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2780-17-0x0000000074481000-0x0000000074482000-memory.dmp

Filesize
4KB

Download
memory/2780-18-0x0000000074480000-0x0000000074A2B000-memory.dmp

Filesize
5.7MB

Download
memory/2780-19-0x0000000074480000-0x0000000074A2B000-memory.dmp

Filesize
5.7MB

Download
memory/2780-21-0x0000000074480000-0x0000000074A2B000-memory.dmp

Filesize
5.7MB

Download
memory/2780-22-0x0000000074480000-0x0000000074A2B000-memory.dmp

Filesize
5.7MB

Download
memory/2780-23-0x0000000074480000-0x0000000074A2B000-memory.dmp

Filesize
5.7MB

Download
memory/2780-24-0x0000000074480000-0x0000000074A2B000-memory.dmp

Filesize
5.7MB

Download
memory/2780-25-0x0000000074480000-0x0000000074A2B000-memory.dmp

Filesize
5.7MB

Download
memory/2780-26-0x0000000074480000-0x0000000074A2B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads