nanocore | 49cd361598bcbe364192e8cf8a6c3ae74bcf86a08c8dc58e7514625fdba2beac

Analysis

max time kernel
94s
max time network
154s
platform
windows7_x64
resource
win7-20220414-en
submitted
07/07/2022, 13:06

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General

Target
63da7b47442e59d1c48f15d2772d6766.exe
Size 729KB
Sample220707-qb3afsaec6
SHA256 49cd361598bcbe364192e8cf8a6c3ae74bcf86a08c8dc58e7514625fdba2beac
MD5 63da7b47442e59d1c48f15d2772d6766
SHA1 fe5909d3390e703748c95f7a1580dada62e2cdd2
SHA512 8d077bf848ac6fc4703d7830d70056ac86e870ffb7cec344609cbfb77fcbcf36a89242040b032c7229d59b990944b607f536ac73178ba685df67b57140d50bcb
MD5 SHA1 SHA512

Score

10^/10

nanocore evasion keylogger persistence spyware stealer suricata trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

jasonbourne.bounceme.net:7687
127.0.0.1:7687

Mutex

72ab264d-1f8c-4194-b177-fb1e2f9d432c

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-04-17T07:45:07.376531736Z
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
7687
default_group
NewAge
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
72ab264d-1f8c-4194-b177-fb1e2f9d432c
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
jasonbourne.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
suricata: ET MALWARE Possible NanoCore C2 60B
suricata: ET MALWARE Possible NanoCore C2 60B
suricata

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\DSL Service = "C:\\Program Files (x86)\\DSL Service\\dslsvc.exe"	63da7b47442e59d1c48f15d2772d6766.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	63da7b47442e59d1c48f15d2772d6766.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 536 set thread context of 1356	536	63da7b47442e59d1c48f15d2772d6766.exe	29

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DSL Service\dslsvc.exe	63da7b47442e59d1c48f15d2772d6766.exe
File opened for modification	C:\Program Files (x86)\DSL Service\dslsvc.exe	63da7b47442e59d1c48f15d2772d6766.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

pid	Process
276	schtasks.exe
1164	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
536	63da7b47442e59d1c48f15d2772d6766.exe
1356	63da7b47442e59d1c48f15d2772d6766.exe
1356	63da7b47442e59d1c48f15d2772d6766.exe
1356	63da7b47442e59d1c48f15d2772d6766.exe
1356	63da7b47442e59d1c48f15d2772d6766.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1356	63da7b47442e59d1c48f15d2772d6766.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	536	63da7b47442e59d1c48f15d2772d6766.exe
Token: SeDebugPrivilege	1356	63da7b47442e59d1c48f15d2772d6766.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 536 wrote to memory of 1716	536	63da7b47442e59d1c48f15d2772d6766.exe	28
PID 536 wrote to memory of 1716	536	63da7b47442e59d1c48f15d2772d6766.exe	28
PID 536 wrote to memory of 1716	536	63da7b47442e59d1c48f15d2772d6766.exe	28
PID 536 wrote to memory of 1716	536	63da7b47442e59d1c48f15d2772d6766.exe	28
PID 536 wrote to memory of 1356	536	63da7b47442e59d1c48f15d2772d6766.exe	29
PID 536 wrote to memory of 1356	536	63da7b47442e59d1c48f15d2772d6766.exe	29
PID 536 wrote to memory of 1356	536	63da7b47442e59d1c48f15d2772d6766.exe	29
PID 536 wrote to memory of 1356	536	63da7b47442e59d1c48f15d2772d6766.exe	29
PID 536 wrote to memory of 1356	536	63da7b47442e59d1c48f15d2772d6766.exe	29
PID 536 wrote to memory of 1356	536	63da7b47442e59d1c48f15d2772d6766.exe	29
PID 536 wrote to memory of 1356	536	63da7b47442e59d1c48f15d2772d6766.exe	29
PID 536 wrote to memory of 1356	536	63da7b47442e59d1c48f15d2772d6766.exe	29
PID 536 wrote to memory of 1356	536	63da7b47442e59d1c48f15d2772d6766.exe	29
PID 1356 wrote to memory of 276	1356	63da7b47442e59d1c48f15d2772d6766.exe	30
PID 1356 wrote to memory of 276	1356	63da7b47442e59d1c48f15d2772d6766.exe	30
PID 1356 wrote to memory of 276	1356	63da7b47442e59d1c48f15d2772d6766.exe	30
PID 1356 wrote to memory of 276	1356	63da7b47442e59d1c48f15d2772d6766.exe	30
PID 1356 wrote to memory of 1164	1356	63da7b47442e59d1c48f15d2772d6766.exe	32
PID 1356 wrote to memory of 1164	1356	63da7b47442e59d1c48f15d2772d6766.exe	32
PID 1356 wrote to memory of 1164	1356	63da7b47442e59d1c48f15d2772d6766.exe	32
PID 1356 wrote to memory of 1164	1356	63da7b47442e59d1c48f15d2772d6766.exe	32

C:\Users\Admin\AppData\Local\Temp\63da7b47442e59d1c48f15d2772d6766.exe
"C:\Users\Admin\AppData\Local\Temp\63da7b47442e59d1c48f15d2772d6766.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:536
- C:\Users\Admin\AppData\Local\Temp\63da7b47442e59d1c48f15d2772d6766.exe
  "C:\Users\Admin\AppData\Local\Temp\63da7b47442e59d1c48f15d2772d6766.exe"
  2⤵
  PID:1716
- C:\Users\Admin\AppData\Local\Temp\63da7b47442e59d1c48f15d2772d6766.exe
  "C:\Users\Admin\AppData\Local\Temp\63da7b47442e59d1c48f15d2772d6766.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:1356
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DSL Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB9BF.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:276
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DSL Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpBC01.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:1164

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

tmpB9BF.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpB9BF.tmp
Size 1KB
SHA256 5592fd62a437d6f70793b3eb0ef04f47df402172b81e9f046e6544026df1c610
MD5 42f4f1768fbe3c0d5307e21a4d537140
SHA1 7e256104bc598f04fd693ba24ff0c015b19e9899
SHA512 a17ec0f4e89fefc08252660a49223bc3ce5c0fa1a44e468d46af800bdf7ad4a6c4a6f425e61a100ac50b1600fa27188ca9a9f802fcd81d18c4341b4269e176fb
MD5 SHA1 SHA512

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tmpBC01.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpBC01.tmp
Size 1KB
SHA256 d524ed3f3648a50ab92cf755461af48ed0c973a3edfba3a4cd0fad3d2e833183
MD5 f34c9976546ad9fc8624117687e1b732
SHA1 df5de84989e77f019a10e10f2e8a44bca2dc620d
SHA512 cd90ca19818bcdf0ec6ee9bafd47749e87ffb8f5c4711ef6c73483acf73399b2ab8c7b55f98303fcce409591647741ceb2ddd7b399ad62b2f5b18ed5378c8260
MD5 SHA1 SHA512

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memory/536-55-0x0000000075B61000-0x0000000075B63000-memory.dmp

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memory/536-56-0x0000000000420000-0x0000000000440000-memory.dmp

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memory/536-57-0x00000000007C0000-0x00000000007CE000-memory.dmp

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memory/536-58-0x0000000004F90000-0x0000000005012000-memory.dmp

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memory/536-59-0x0000000004E20000-0x0000000004E5A000-memory.dmp

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memory/536-54-0x00000000011E0000-0x000000000129C000-memory.dmp

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memory/1356-63-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1356-80-0x0000000000490000-0x00000000004A2000-memory.dmp

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memory/1356-71-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1356-69-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1356-61-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1356-64-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1356-60-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1356-77-0x00000000003B0000-0x00000000003BA000-memory.dmp

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memory/1356-78-0x00000000003C0000-0x00000000003DE000-memory.dmp

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memory/1356-79-0x00000000003E0000-0x00000000003EA000-memory.dmp

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memory/1356-66-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1356-81-0x00000000006C0000-0x00000000006DA000-memory.dmp

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memory/1356-82-0x0000000000540000-0x000000000054E000-memory.dmp

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memory/1356-83-0x0000000000590000-0x00000000005A2000-memory.dmp

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memory/1356-84-0x00000000006F0000-0x00000000006FE000-memory.dmp

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memory/1356-85-0x0000000000A50000-0x0000000000A5C000-memory.dmp

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memory/1356-86-0x0000000000DB0000-0x0000000000DC4000-memory.dmp

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memory/1356-87-0x0000000000DC0000-0x0000000000DD0000-memory.dmp

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memory/1356-88-0x0000000000DD0000-0x0000000000DE4000-memory.dmp

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memory/1356-89-0x0000000000E20000-0x0000000000E2E000-memory.dmp

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memory/1356-90-0x0000000001080000-0x00000000010AE000-memory.dmp

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memory/1356-91-0x0000000001020000-0x0000000001034000-memory.dmp

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