nanocore | f4bc1181812158592e420dbf3caa11923497746cb7475362c1200bf630b0b8f5

General

Target

65582ac1fc28f8c6040543cde95022c7.exe
Size

745KB
MD5

65582ac1fc28f8c6040543cde95022c7
SHA1

dd60a2978a480b0c42ecd5a85d6cf3ea374a5c85
SHA256

f4bc1181812158592e420dbf3caa11923497746cb7475362c1200bf630b0b8f5
SHA512

a0b6222cae9b8c8e0d5943e9b8a5ac3d388e583c63c58a14695bc2c2fb73e8c10e0d7dc7fe08d6e7a47f73d9f686d671bf2ee8001f37f618eb8006f58d956ac3
SSDEEP

12288:vNaEOdBRDibXe0dd2oVuxzq2XdQg/BbqZMu0Db+5zQghZBUAUgIL:bOdgX/d9UXFBGx02dPIL

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

rolandlandson149.bounceme.net:1007

127.0.0.1:1007

Mutex

48099ca8-c1b4-49f3-9fe1-d8dfcbf66c09

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-06-13T20:58:05.824762936Z
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
1007
default_group
sepTmAn
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
48099ca8-c1b4-49f3-9fe1-d8dfcbf66c09
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
rolandlandson149.bounceme.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

T1060

Modify Registry

T1112

Processes:

65582ac1fc28f8c6040543cde95022c7.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DHCP Subsystem = "C:\\Program Files (x86)\\DHCP Subsystem\\dhcpss.exe"	65582ac1fc28f8c6040543cde95022c7.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

65582ac1fc28f8c6040543cde95022c7.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	65582ac1fc28f8c6040543cde95022c7.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

65582ac1fc28f8c6040543cde95022c7.exe

description pid process target process

PID 3324 set thread context of 1772 3324 65582ac1fc28f8c6040543cde95022c7.exe 65582ac1fc28f8c6040543cde95022c7.exe

description	pid	process	target process
PID 3324 set thread context of 1772	3324	65582ac1fc28f8c6040543cde95022c7.exe	65582ac1fc28f8c6040543cde95022c7.exe

Drops file in Program Files directory 2 IoCs

Processes:

65582ac1fc28f8c6040543cde95022c7.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\DHCP Subsystem\dhcpss.exe	65582ac1fc28f8c6040543cde95022c7.exe
File created	C:\Program Files (x86)\DHCP Subsystem\dhcpss.exe	65582ac1fc28f8c6040543cde95022c7.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
T1053

Processes:

schtasks.exeschtasks.exe

pid process

3388 schtasks.exe
1496 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

65582ac1fc28f8c6040543cde95022c7.exe

pid process

1772 65582ac1fc28f8c6040543cde95022c7.exe
1772 65582ac1fc28f8c6040543cde95022c7.exe
1772 65582ac1fc28f8c6040543cde95022c7.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

65582ac1fc28f8c6040543cde95022c7.exe

pid process

1772 65582ac1fc28f8c6040543cde95022c7.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

65582ac1fc28f8c6040543cde95022c7.exe

description pid process

Token: SeDebugPrivilege 1772 65582ac1fc28f8c6040543cde95022c7.exe

pid	process
3388	schtasks.exe
1496	schtasks.exe

pid	process
1772	65582ac1fc28f8c6040543cde95022c7.exe
1772	65582ac1fc28f8c6040543cde95022c7.exe
1772	65582ac1fc28f8c6040543cde95022c7.exe

pid	process
1772	65582ac1fc28f8c6040543cde95022c7.exe

description	pid	process
Token: SeDebugPrivilege	1772	65582ac1fc28f8c6040543cde95022c7.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

65582ac1fc28f8c6040543cde95022c7.exe65582ac1fc28f8c6040543cde95022c7.exe

description	pid	process	target process
PID 3324 wrote to memory of 1772	3324	65582ac1fc28f8c6040543cde95022c7.exe	65582ac1fc28f8c6040543cde95022c7.exe
PID 3324 wrote to memory of 1772	3324	65582ac1fc28f8c6040543cde95022c7.exe	65582ac1fc28f8c6040543cde95022c7.exe
PID 3324 wrote to memory of 1772	3324	65582ac1fc28f8c6040543cde95022c7.exe	65582ac1fc28f8c6040543cde95022c7.exe
PID 3324 wrote to memory of 1772	3324	65582ac1fc28f8c6040543cde95022c7.exe	65582ac1fc28f8c6040543cde95022c7.exe
PID 3324 wrote to memory of 1772	3324	65582ac1fc28f8c6040543cde95022c7.exe	65582ac1fc28f8c6040543cde95022c7.exe
PID 3324 wrote to memory of 1772	3324	65582ac1fc28f8c6040543cde95022c7.exe	65582ac1fc28f8c6040543cde95022c7.exe
PID 3324 wrote to memory of 1772	3324	65582ac1fc28f8c6040543cde95022c7.exe	65582ac1fc28f8c6040543cde95022c7.exe
PID 3324 wrote to memory of 1772	3324	65582ac1fc28f8c6040543cde95022c7.exe	65582ac1fc28f8c6040543cde95022c7.exe
PID 1772 wrote to memory of 3388	1772	65582ac1fc28f8c6040543cde95022c7.exe	schtasks.exe
PID 1772 wrote to memory of 3388	1772	65582ac1fc28f8c6040543cde95022c7.exe	schtasks.exe
PID 1772 wrote to memory of 3388	1772	65582ac1fc28f8c6040543cde95022c7.exe	schtasks.exe
PID 1772 wrote to memory of 1496	1772	65582ac1fc28f8c6040543cde95022c7.exe	schtasks.exe
PID 1772 wrote to memory of 1496	1772	65582ac1fc28f8c6040543cde95022c7.exe	schtasks.exe
PID 1772 wrote to memory of 1496	1772	65582ac1fc28f8c6040543cde95022c7.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\65582ac1fc28f8c6040543cde95022c7.exe
"C:\Users\Admin\AppData\Local\Temp\65582ac1fc28f8c6040543cde95022c7.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3324
- C:\Users\Admin\AppData\Local\Temp\65582ac1fc28f8c6040543cde95022c7.exe
  "C:\Users\Admin\AppData\Local\Temp\65582ac1fc28f8c6040543cde95022c7.exe"
  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:1772
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DHCP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp5ED9.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:3388
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DHCP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp5F76.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:1496

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\65582ac1fc28f8c6040543cde95022c7.exe.log

Filesize
1KB

MD5
e08f822522c617a40840c62e4b0fb45e

SHA1
ae516dca4da5234be6676d3f234c19ec55725be7

SHA256
bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7

SHA512
894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp5ED9.tmp

Filesize
1KB

MD5
f8a860786ff584a90365928ab371edff

SHA1
c9c6850b4d32caa3cb7c828a9965a31af6061652

SHA256
5a8601a226e7ea5f1931fc03fa54efe01ff6e234746a06a940c0b369a9b78e1c

SHA512
a1a1fcd442f5c9889790d9dc41e45b4d85bdc9df9c8ece8debbf007ceede64d70efafa0db26940ca4832e799e19991db7f585cf0fc47f6f1242f825afeafbf0c

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp5F76.tmp

Filesize
1KB

MD5
2f26d92c1eeead3896820e56ec46f6f1

SHA1
d95533b61eed7d89e4ada56bc566d60e42ac1f61

SHA256
99a158463ce40c750bad6991ae1fceece305a0dbf8e209dd7147b5d539756bfa

SHA512
6c1ed12d5e1afcd9e7f327e0153786fd8594f75a995f341c408ef014e69917452a9fe99c511f0249aceb57b3045b707f1fd3f404e4086cfbf0aadcb3318db892

Download Submit
memory/1496-143-0x0000000000000000-mapping.dmp

Download
memory/1772-138-0x0000000000000000-mapping.dmp

Download
memory/1772-139-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3324-135-0x00000000051F0000-0x00000000051FA000-memory.dmp

Filesize
40KB

Download
memory/3324-137-0x0000000007BC0000-0x0000000007C26000-memory.dmp

Filesize
408KB

Download
memory/3324-136-0x0000000007AB0000-0x0000000007B4C000-memory.dmp

Filesize
624KB

Download
memory/3324-132-0x0000000000760000-0x0000000000820000-memory.dmp

Filesize
768KB

Download
memory/3324-134-0x0000000005240000-0x00000000052D2000-memory.dmp

Filesize
584KB

Download
memory/3324-133-0x00000000057F0000-0x0000000005D94000-memory.dmp

Filesize
5.6MB

Download
memory/3388-141-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads