nanocore | 440ed593899ceed47d5af5efc4d7e8cfd9816b394be42227f041f1e6cb88964f

General

Target

070ded692dcb232ff11b7a051395b84e.exe
Size

605KB
MD5

070ded692dcb232ff11b7a051395b84e
SHA1

b43df3def6b8fccec021175dbeac2cf2c8dc54e8
SHA256

440ed593899ceed47d5af5efc4d7e8cfd9816b394be42227f041f1e6cb88964f
SHA512

06c30a4d9e6f531834c91ab8fbef5ea2004bef4b8ba0e81fa806759f89fc0b7c09c5addcbe2316cb7bd864b16f4e9c39284278962615aeb950bded705b29cc88
SSDEEP

12288:mQzp+gczyhNSvRbBQHR4qz91hI0zSaNsvz+yuWDVId21NaI+E8tyvXMZlo71xNbe:mWo7HNdTGM3BhjmFXoBB3

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

xp18.ddns.net:1012

Mutex

ef6b2072-3b38-4899-b925-378df7ad2d73

Attributes

activate_away_mode
true
backup_connection_host
xp18.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-04-23T05:59:24.479035036Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
1012
default_group
Default
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
ef6b2072-3b38-4899-b925-378df7ad2d73
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
xp18.ddns.net
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\UDP Subsystem = "C:\\Program Files (x86)\\UDP Subsystem\\udpss.exe"	070ded692dcb232ff11b7a051395b84e.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	070ded692dcb232ff11b7a051395b84e.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3608 set thread context of 4440	3608	070ded692dcb232ff11b7a051395b84e.exe	103

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\UDP Subsystem\udpss.exe	070ded692dcb232ff11b7a051395b84e.exe
File opened for modification	C:\Program Files (x86)\UDP Subsystem\udpss.exe	070ded692dcb232ff11b7a051395b84e.exe

Creates scheduled task(s) 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
3404	schtasks.exe
1364	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4440	070ded692dcb232ff11b7a051395b84e.exe
4440	070ded692dcb232ff11b7a051395b84e.exe
4440	070ded692dcb232ff11b7a051395b84e.exe
4440	070ded692dcb232ff11b7a051395b84e.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4440	070ded692dcb232ff11b7a051395b84e.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4440	070ded692dcb232ff11b7a051395b84e.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3608 wrote to memory of 4440	3608	070ded692dcb232ff11b7a051395b84e.exe	103
PID 3608 wrote to memory of 4440	3608	070ded692dcb232ff11b7a051395b84e.exe	103
PID 3608 wrote to memory of 4440	3608	070ded692dcb232ff11b7a051395b84e.exe	103
PID 3608 wrote to memory of 4440	3608	070ded692dcb232ff11b7a051395b84e.exe	103
PID 3608 wrote to memory of 4440	3608	070ded692dcb232ff11b7a051395b84e.exe	103
PID 3608 wrote to memory of 4440	3608	070ded692dcb232ff11b7a051395b84e.exe	103
PID 3608 wrote to memory of 4440	3608	070ded692dcb232ff11b7a051395b84e.exe	103
PID 3608 wrote to memory of 4440	3608	070ded692dcb232ff11b7a051395b84e.exe	103
PID 4440 wrote to memory of 3404	4440	070ded692dcb232ff11b7a051395b84e.exe	106
PID 4440 wrote to memory of 3404	4440	070ded692dcb232ff11b7a051395b84e.exe	106
PID 4440 wrote to memory of 3404	4440	070ded692dcb232ff11b7a051395b84e.exe	106
PID 4440 wrote to memory of 1364	4440	070ded692dcb232ff11b7a051395b84e.exe	108
PID 4440 wrote to memory of 1364	4440	070ded692dcb232ff11b7a051395b84e.exe	108
PID 4440 wrote to memory of 1364	4440	070ded692dcb232ff11b7a051395b84e.exe	108

C:\Users\Admin\AppData\Local\Temp\070ded692dcb232ff11b7a051395b84e.exe
"C:\Users\Admin\AppData\Local\Temp\070ded692dcb232ff11b7a051395b84e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3608
- C:\Users\Admin\AppData\Local\Temp\070ded692dcb232ff11b7a051395b84e.exe
  "{path}"
  2⤵
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4440
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "UDP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9FF4.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:3404
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "UDP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA0C0.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:1364

C:\Windows\Microsoft.Net\Framework64\v3.0\WPF\PresentationFontCache.exe
C:\Windows\Microsoft.Net\Framework64\v3.0\WPF\PresentationFontCache.exe
1⤵
PID:3376

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp9FF4.tmp

Filesize
1KB

MD5
bd28d64bc9f9d615c2434befef5590dc

SHA1
d4541e0e1af44734530552212641514e0352601e

SHA256
72fb564224c42df0753463efdfbd592a3a5acd72cbae0168a1597a98e62c11e0

SHA512
c237469736021dc707a45ac0729ee15056cf557a2baa43524066ac2c68441b118e2bf6f5697358dccdaaf7c3f753e7b6d8cbd2a4d3798f7823525479766d8b7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA0C0.tmp

Filesize
1KB

MD5
c4aecdef99eba873119e79616df3f4b0

SHA1
b1b3af52655fb633eed909dfed05b64fbbfac37c

SHA256
24fd0d87bea36a024449a95f808aaa174e4ed9003cb8a427b67c02411b8a2e0b

SHA512
e3f44b07267fccf4f5abd4efe80f2b037ddadc4cb898bdfca9d21ac5d79fcac828950065c2060d3ce125ee971fc3096183afee5287ba9951fbbda7257d8ed8d4

Download Submit
memory/3376-13-0x00007FFCE4BF0000-0x00007FFCE5591000-memory.dmp

Filesize
9.6MB

Download
memory/3376-14-0x0000000001570000-0x0000000001580000-memory.dmp

Filesize
64KB

Download
memory/3376-4-0x00007FFCE4BF0000-0x00007FFCE5591000-memory.dmp

Filesize
9.6MB

Download
memory/3376-5-0x0000000001570000-0x0000000001580000-memory.dmp

Filesize
64KB

Download
memory/3376-6-0x00007FFCE4BF0000-0x00007FFCE5591000-memory.dmp

Filesize
9.6MB

Download
memory/3376-7-0x000000001AA10000-0x000000001ADE4000-memory.dmp

Filesize
3.8MB

Download
memory/3376-8-0x000000001B0C0000-0x000000001B1F6000-memory.dmp

Filesize
1.2MB

Download
memory/3376-9-0x0000000001570000-0x0000000001580000-memory.dmp

Filesize
64KB

Download
memory/3376-15-0x0000000001570000-0x0000000001580000-memory.dmp

Filesize
64KB

Download
memory/3376-3-0x00000000012E0000-0x0000000001300000-memory.dmp

Filesize
128KB

Download
memory/3608-22-0x0000000075070000-0x0000000075621000-memory.dmp

Filesize
5.7MB

Download
memory/3608-16-0x0000000001280000-0x0000000001290000-memory.dmp

Filesize
64KB

Download
memory/3608-11-0x0000000075070000-0x0000000075621000-memory.dmp

Filesize
5.7MB

Download
memory/3608-10-0x0000000001280000-0x0000000001290000-memory.dmp

Filesize
64KB

Download
memory/3608-12-0x0000000001280000-0x0000000001290000-memory.dmp

Filesize
64KB

Download
memory/3608-2-0x0000000001280000-0x0000000001290000-memory.dmp

Filesize
64KB

Download
memory/3608-1-0x0000000075070000-0x0000000075621000-memory.dmp

Filesize
5.7MB

Download
memory/3608-0-0x0000000075070000-0x0000000075621000-memory.dmp

Filesize
5.7MB

Download
memory/4440-21-0x0000000075070000-0x0000000075621000-memory.dmp

Filesize
5.7MB

Download
memory/4440-19-0x0000000075070000-0x0000000075621000-memory.dmp

Filesize
5.7MB

Download
memory/4440-20-0x0000000001700000-0x0000000001710000-memory.dmp

Filesize
64KB

Download
memory/4440-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4440-30-0x0000000001700000-0x0000000001710000-memory.dmp

Filesize
64KB

Download
memory/4440-31-0x0000000075070000-0x0000000075621000-memory.dmp

Filesize
5.7MB

Download
memory/4440-32-0x0000000001700000-0x0000000001710000-memory.dmp

Filesize
64KB

Download
memory/4440-33-0x0000000001700000-0x0000000001710000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads