nanocore | 193603013f2f758ab29a89cfdff8777e5ed1a6340b359b7a823c426535662896

General

Target

193603013f2f758ab29a89cfdff8777e5ed1a6340b359b7a823c426535662896.exe
Size

311KB
MD5

5d388f1bb12c97e54a7a4d801095cb33
SHA1

e18fd3bbff8c9869703447e43c4dc550bd1c7cba
SHA256

193603013f2f758ab29a89cfdff8777e5ed1a6340b359b7a823c426535662896
SHA512

3cddeec3f00640b251b5ca2d7427d13284f2966768723428fe66743a80668c3f801da573cc611ddddd587aed04000c25f2e721ab356d1916e4d656562eee68b0
SSDEEP

6144:z/opJVqg8ufz3a3bQTVXJuthX8nbaYCXuxYENuJFvTlwAOwrzDY:jopJ0g53aLQTVJCiIwYikvuAOwrHY

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

185.217.1.176:555

127.0.0.1:555

Mutex

b8347696-a3c7-4fae-a27a-ee7e3057ca37

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2019-04-04T23:59:03.557002236Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
555
default_group
Money
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
b8347696-a3c7-4fae-a27a-ee7e3057ca37
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
185.217.1.176
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
false
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

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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\UPNP Subsystem = "C:\\Program Files (x86)\\UPNP Subsystem\\upnpss.exe"	193603013f2f758ab29a89cfdff8777e5ed1a6340b359b7a823c426535662896.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	193603013f2f758ab29a89cfdff8777e5ed1a6340b359b7a823c426535662896.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4428 set thread context of 1972	4428	193603013f2f758ab29a89cfdff8777e5ed1a6340b359b7a823c426535662896.exe	98

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\UPNP Subsystem\upnpss.exe	193603013f2f758ab29a89cfdff8777e5ed1a6340b359b7a823c426535662896.exe
File opened for modification	C:\Program Files (x86)\UPNP Subsystem\upnpss.exe	193603013f2f758ab29a89cfdff8777e5ed1a6340b359b7a823c426535662896.exe

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	193603013f2f758ab29a89cfdff8777e5ed1a6340b359b7a823c426535662896.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	193603013f2f758ab29a89cfdff8777e5ed1a6340b359b7a823c426535662896.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
4428	193603013f2f758ab29a89cfdff8777e5ed1a6340b359b7a823c426535662896.exe
4428	193603013f2f758ab29a89cfdff8777e5ed1a6340b359b7a823c426535662896.exe
1972	193603013f2f758ab29a89cfdff8777e5ed1a6340b359b7a823c426535662896.exe
1972	193603013f2f758ab29a89cfdff8777e5ed1a6340b359b7a823c426535662896.exe
1972	193603013f2f758ab29a89cfdff8777e5ed1a6340b359b7a823c426535662896.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1972	193603013f2f758ab29a89cfdff8777e5ed1a6340b359b7a823c426535662896.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4428	193603013f2f758ab29a89cfdff8777e5ed1a6340b359b7a823c426535662896.exe
Token: SeDebugPrivilege	1972	193603013f2f758ab29a89cfdff8777e5ed1a6340b359b7a823c426535662896.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4428 wrote to memory of 1972	4428	193603013f2f758ab29a89cfdff8777e5ed1a6340b359b7a823c426535662896.exe	98
PID 4428 wrote to memory of 1972	4428	193603013f2f758ab29a89cfdff8777e5ed1a6340b359b7a823c426535662896.exe	98
PID 4428 wrote to memory of 1972	4428	193603013f2f758ab29a89cfdff8777e5ed1a6340b359b7a823c426535662896.exe	98
PID 4428 wrote to memory of 1972	4428	193603013f2f758ab29a89cfdff8777e5ed1a6340b359b7a823c426535662896.exe	98
PID 4428 wrote to memory of 1972	4428	193603013f2f758ab29a89cfdff8777e5ed1a6340b359b7a823c426535662896.exe	98
PID 4428 wrote to memory of 1972	4428	193603013f2f758ab29a89cfdff8777e5ed1a6340b359b7a823c426535662896.exe	98
PID 4428 wrote to memory of 1972	4428	193603013f2f758ab29a89cfdff8777e5ed1a6340b359b7a823c426535662896.exe	98
PID 4428 wrote to memory of 1972	4428	193603013f2f758ab29a89cfdff8777e5ed1a6340b359b7a823c426535662896.exe	98

C:\Users\Admin\AppData\Local\Temp\193603013f2f758ab29a89cfdff8777e5ed1a6340b359b7a823c426535662896.exe
"C:\Users\Admin\AppData\Local\Temp\193603013f2f758ab29a89cfdff8777e5ed1a6340b359b7a823c426535662896.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4428
- C:\Users\Admin\AppData\Local\Temp\193603013f2f758ab29a89cfdff8777e5ed1a6340b359b7a823c426535662896.exe
  "C:\Users\Admin\AppData\Local\Temp\193603013f2f758ab29a89cfdff8777e5ed1a6340b359b7a823c426535662896.exe"
  2⤵
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:1972

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\Microsoft\CLR_v2.0_32\UsageLogs\193603013f2f758ab29a89cfdff8777e5ed1a6340b359b7a823c426535662896.exe.log

Filesize
408B

MD5
334aff62e51cd3b70425c3b1cb31da58

SHA1
948937e4370d4a40ef4d69ec21429d9be8a04a4c

SHA256
d18a969cd5fb1d0755a124f46136770154edf57f083551c4cc6825600d5b17d5

SHA512
dda77b6d69009b154b4a618d0c48a766e3c936259173ccdb13fc7363eca934805c872e05824bf5e063ad95061a77c015459085a6ed89df7056e4de4edd9423e3

Download Submit
memory/1972-16-0x0000000074B10000-0x00000000750C1000-memory.dmp

Filesize
5.7MB

Download
memory/1972-15-0x0000000074B10000-0x00000000750C1000-memory.dmp

Filesize
5.7MB

Download
memory/1972-14-0x0000000074B10000-0x00000000750C1000-memory.dmp

Filesize
5.7MB

Download
memory/1972-11-0x0000000074B10000-0x00000000750C1000-memory.dmp

Filesize
5.7MB

Download
memory/1972-9-0x0000000074B10000-0x00000000750C1000-memory.dmp

Filesize
5.7MB

Download
memory/1972-6-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4428-4-0x0000000074B10000-0x00000000750C1000-memory.dmp

Filesize
5.7MB

Download
memory/4428-5-0x0000000074B10000-0x00000000750C1000-memory.dmp

Filesize
5.7MB

Download
memory/4428-10-0x0000000074B10000-0x00000000750C1000-memory.dmp

Filesize
5.7MB

Download
memory/4428-3-0x0000000074B12000-0x0000000074B13000-memory.dmp

Filesize
4KB

Download
memory/4428-0-0x0000000074B12000-0x0000000074B13000-memory.dmp

Filesize
4KB

Download
memory/4428-2-0x0000000074B10000-0x00000000750C1000-memory.dmp

Filesize
5.7MB

Download
memory/4428-1-0x0000000074B10000-0x00000000750C1000-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