nanocore | 4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226

General

Target

280baa14b25c23e63122a4028928dff0.exe
Size

629KB
MD5

280baa14b25c23e63122a4028928dff0
SHA1

8070c5e450768312a50c64be6edc386b009bea77
SHA256

4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226
SHA512

26b96a7b246c3abaa02a989ea1e90a9ede181133f8a1e1b9605b3812f1505527d4164e14c169c73773e5872881bfa512793cffb381110c4a3b4f160e307f0f6f
SSDEEP

12288:6dbG8Q1q8vDd/e6REdJqTu5XWN62tlN3d8SPzG2gvXqQ4tqXZUwxTJ:n8C7pecAMC5XKvNt8S7Nsy4FlJ

Score

10^/10

nanocore discovery evasion execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

pnauco5.ddns.net:1664

Mutex

cde38e58-d99c-4068-b775-59569bc2e8ce

Attributes

activate_away_mode
true
backup_connection_host
pnauco5.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2024-07-03T06:48:27.569053036Z
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
1664
default_group
NEW
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
cde38e58-d99c-4068-b775-59569bc2e8ce
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
pnauco5.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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2812	powershell.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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\IMAP Monitor = "C:\\Program Files (x86)\\IMAP Monitor\\imapmon.exe"	280baa14b25c23e63122a4028928dff0.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	280baa14b25c23e63122a4028928dff0.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2212 set thread context of 2316	2212	280baa14b25c23e63122a4028928dff0.exe	33

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\IMAP Monitor\imapmon.exe	280baa14b25c23e63122a4028928dff0.exe
File created	C:\Program Files (x86)\IMAP Monitor\imapmon.exe	280baa14b25c23e63122a4028928dff0.exe

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 5 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	280baa14b25c23e63122a4028928dff0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	280baa14b25c23e63122a4028928dff0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2872	schtasks.exe
2840	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2812	powershell.exe
2316	280baa14b25c23e63122a4028928dff0.exe
2316	280baa14b25c23e63122a4028928dff0.exe
2316	280baa14b25c23e63122a4028928dff0.exe
2316	280baa14b25c23e63122a4028928dff0.exe
2316	280baa14b25c23e63122a4028928dff0.exe
2316	280baa14b25c23e63122a4028928dff0.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2316	280baa14b25c23e63122a4028928dff0.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2812	powershell.exe
Token: SeDebugPrivilege	2316	280baa14b25c23e63122a4028928dff0.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2212 wrote to memory of 2812	2212	280baa14b25c23e63122a4028928dff0.exe	31
PID 2212 wrote to memory of 2812	2212	280baa14b25c23e63122a4028928dff0.exe	31
PID 2212 wrote to memory of 2812	2212	280baa14b25c23e63122a4028928dff0.exe	31
PID 2212 wrote to memory of 2812	2212	280baa14b25c23e63122a4028928dff0.exe	31
PID 2212 wrote to memory of 2316	2212	280baa14b25c23e63122a4028928dff0.exe	33
PID 2212 wrote to memory of 2316	2212	280baa14b25c23e63122a4028928dff0.exe	33
PID 2212 wrote to memory of 2316	2212	280baa14b25c23e63122a4028928dff0.exe	33
PID 2212 wrote to memory of 2316	2212	280baa14b25c23e63122a4028928dff0.exe	33
PID 2212 wrote to memory of 2316	2212	280baa14b25c23e63122a4028928dff0.exe	33
PID 2212 wrote to memory of 2316	2212	280baa14b25c23e63122a4028928dff0.exe	33
PID 2212 wrote to memory of 2316	2212	280baa14b25c23e63122a4028928dff0.exe	33
PID 2212 wrote to memory of 2316	2212	280baa14b25c23e63122a4028928dff0.exe	33
PID 2212 wrote to memory of 2316	2212	280baa14b25c23e63122a4028928dff0.exe	33
PID 2316 wrote to memory of 2872	2316	280baa14b25c23e63122a4028928dff0.exe	34
PID 2316 wrote to memory of 2872	2316	280baa14b25c23e63122a4028928dff0.exe	34
PID 2316 wrote to memory of 2872	2316	280baa14b25c23e63122a4028928dff0.exe	34
PID 2316 wrote to memory of 2872	2316	280baa14b25c23e63122a4028928dff0.exe	34
PID 2316 wrote to memory of 2840	2316	280baa14b25c23e63122a4028928dff0.exe	36
PID 2316 wrote to memory of 2840	2316	280baa14b25c23e63122a4028928dff0.exe	36
PID 2316 wrote to memory of 2840	2316	280baa14b25c23e63122a4028928dff0.exe	36
PID 2316 wrote to memory of 2840	2316	280baa14b25c23e63122a4028928dff0.exe	36

C:\Users\Admin\AppData\Local\Temp\280baa14b25c23e63122a4028928dff0.exe
"C:\Users\Admin\AppData\Local\Temp\280baa14b25c23e63122a4028928dff0.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2212
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\280baa14b25c23e63122a4028928dff0.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2812
- C:\Users\Admin\AppData\Local\Temp\280baa14b25c23e63122a4028928dff0.exe
  "C:\Users\Admin\AppData\Local\Temp\280baa14b25c23e63122a4028928dff0.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
  - Suspicious use of WriteProcessMemory
  PID:2316
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "IMAP Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmpF92E.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2872
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "IMAP Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpF9AB.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2840

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

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\Local\Temp\tmpF92E.tmp

Filesize
1KB

MD5
24a75df31a00e669bb2dd4060940af95

SHA1
23e6760eae8806c032d30fa06b179594b51d8af0

SHA256
448974aee536be65bc64a98d3459c0e803fed587d338cbe6db60c9907a9c9e63

SHA512
99de05834b30b95d0cdcf5bcc1cb1df2fec7eaa51d9f2f741b1a9675e6aebb6af60242cb706a01b8f62dbc30ed6557260cbf5f614d0d20c5744149cc64da8e38

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF9AB.tmp

Filesize
1KB

MD5
d2d6911d94b06e405e7687a2437eafec

SHA1
9f28f9e7d8d5179d44ddaa6ca266984ed7521dea

SHA256
2dc87169ad53fbdd7abb08f49777cb8fb05adbff4e6f6616b4c89942af8cad0f

SHA512
b5983de701ff98e944283a25f1770c1e792d52148dc1671f1d19203f8b9d10b056abcf79a17ca536a5f88ccf52f6445d8f3e75fce628666640ad8bad697dcfd1

Download Submit
memory/2212-23-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download
memory/2212-1-0x0000000000800000-0x00000000008A4000-memory.dmp

Filesize
656KB

Download
memory/2212-2-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download
memory/2212-3-0x00000000006F0000-0x0000000000702000-memory.dmp

Filesize
72KB

Download
memory/2212-4-0x00000000749DE000-0x00000000749DF000-memory.dmp

Filesize
4KB

Download
memory/2212-5-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download
memory/2212-6-0x00000000042C0000-0x000000000433A000-memory.dmp

Filesize
488KB

Download
memory/2212-0-0x00000000749DE000-0x00000000749DF000-memory.dmp

Filesize
4KB

Download
memory/2316-7-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2316-39-0x0000000000A60000-0x0000000000A7A000-memory.dmp

Filesize
104KB

Download
memory/2316-9-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2316-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2316-22-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download
memory/2316-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2316-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2316-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2316-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2316-33-0x0000000000730000-0x000000000073A000-memory.dmp

Filesize
40KB

Download
memory/2316-34-0x0000000000740000-0x000000000075E000-memory.dmp

Filesize
120KB

Download
memory/2316-35-0x00000000007A0000-0x00000000007AA000-memory.dmp

Filesize
40KB

Download
memory/2316-38-0x0000000000A50000-0x0000000000A62000-memory.dmp

Filesize
72KB

Download
memory/2316-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2316-40-0x00000000021B0000-0x00000000021BE000-memory.dmp

Filesize
56KB

Download
memory/2316-41-0x00000000021D0000-0x00000000021E2000-memory.dmp

Filesize
72KB

Download
memory/2316-42-0x00000000021E0000-0x00000000021EC000-memory.dmp

Filesize
48KB

Download
memory/2316-43-0x0000000002230000-0x000000000223E000-memory.dmp

Filesize
56KB

Download
memory/2316-44-0x0000000002240000-0x0000000002254000-memory.dmp

Filesize
80KB

Download
memory/2316-45-0x0000000002250000-0x0000000002260000-memory.dmp

Filesize
64KB

Download
memory/2316-46-0x0000000002260000-0x0000000002274000-memory.dmp

Filesize
80KB

Download
memory/2316-47-0x0000000002270000-0x000000000227E000-memory.dmp

Filesize
56KB

Download
memory/2316-48-0x0000000004310000-0x000000000433E000-memory.dmp

Filesize
184KB

Download
memory/2316-49-0x0000000004340000-0x0000000004354000-memory.dmp

Filesize
80KB

Download
memory/2316-55-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads