nanocore | b0ad6f779e4a72a0e75bb48eec11e8b2f270c95078054e9559505efce6a25c8c

Analysis

max time kernel
121s
max time network
150s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
27/05/2024, 02:06

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General

Target
GTD092563762376231230373228.exe
Size 1.1MB
Sample240527-cjebpsce2t
SHA256 b0ad6f779e4a72a0e75bb48eec11e8b2f270c95078054e9559505efce6a25c8c
MD5 c6df0f1fdf3b0d52580f6375537a144a
SHA1 639e22e5ace59d41e039c8e89131f69bc8da96e7
SHA512 ce8552ceea68a0c7e6bbef63fcbbe8ce6a2192bb4dfb96c74a93a13a059698fe31e2b42360183649d1dc9cc096441ae741ae98180634d9f588565437a8c1de8d
SSDEEP 24576:GAHnh+eWsN3skA4RV1Hom2KXMmHatdwFWWMX/5:hh+ZkldoPK8YatiFWWMh
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

nanocore keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

zaragoza.ddns.net:6318

Mutex

23bc2405-d53d-4763-a563-8ae141477f39

Attributes

activate_away_mode
true
backup_connection_host
zaragoza.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2024-03-05T18:44:12.253319636Z
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
6318
default_group
BULKMONEY
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
23bc2405-d53d-4763-a563-8ae141477f39
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
zaragoza.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\TCP Service = "C:\\Program Files (x86)\\TCP Service\\tcpsv.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1688 set thread context of 1956	1688	GTD092563762376231230373228.exe	28

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\TCP Service\tcpsv.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\TCP Service\tcpsv.exe	RegSvcs.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
2560	schtasks.exe
2676	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1956	RegSvcs.exe
1956	RegSvcs.exe
1956	RegSvcs.exe
1956	RegSvcs.exe
1956	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1956	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1688	GTD092563762376231230373228.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1956	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1688	GTD092563762376231230373228.exe
1688	GTD092563762376231230373228.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1688	GTD092563762376231230373228.exe
1688	GTD092563762376231230373228.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 1956	1688	GTD092563762376231230373228.exe	28
PID 1688 wrote to memory of 1956	1688	GTD092563762376231230373228.exe	28
PID 1688 wrote to memory of 1956	1688	GTD092563762376231230373228.exe	28
PID 1688 wrote to memory of 1956	1688	GTD092563762376231230373228.exe	28
PID 1688 wrote to memory of 1956	1688	GTD092563762376231230373228.exe	28
PID 1688 wrote to memory of 1956	1688	GTD092563762376231230373228.exe	28
PID 1688 wrote to memory of 1956	1688	GTD092563762376231230373228.exe	28
PID 1688 wrote to memory of 1956	1688	GTD092563762376231230373228.exe	28
PID 1956 wrote to memory of 2560	1956	RegSvcs.exe	29
PID 1956 wrote to memory of 2560	1956	RegSvcs.exe	29
PID 1956 wrote to memory of 2560	1956	RegSvcs.exe	29
PID 1956 wrote to memory of 2560	1956	RegSvcs.exe	29
PID 1956 wrote to memory of 2676	1956	RegSvcs.exe	31
PID 1956 wrote to memory of 2676	1956	RegSvcs.exe	31
PID 1956 wrote to memory of 2676	1956	RegSvcs.exe	31
PID 1956 wrote to memory of 2676	1956	RegSvcs.exe	31

C:\Users\Admin\AppData\Local\Temp\GTD092563762376231230373228.exe
"C:\Users\Admin\AppData\Local\Temp\GTD092563762376231230373228.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\GTD092563762376231230373228.exe"
  2⤵
  - Adds Run key to start application
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1956
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "TCP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC21.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:2560
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "TCP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpCAF.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:2676

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

tmpC21.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpC21.tmp
Size 1KB
SHA256 c51e12d18cc664425f6711d8ae2507068884c7057092cfa11884100e1e9d49e1
MD5 40b11ef601fb28f9b2e69d36857bf2ec
SHA1 b6454020ad2ceed193f4792b77001d0bd741b370
SHA512 e3c5bcc714cbfca4b8058ddcddf231dcefa69c15881ce3f8123e59ed45cfb5da052b56e1945dcf8dc7f800d62f9a4eecb82bca69a66a1530787aeffeb15e2bd5
MD5 SHA1 SHA512

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tmpCAF.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpCAF.tmp
Size 1KB
SHA256 684997dd4ce15031cec8f2f93933b1d41d7bf5cbbff655dd64377b07055c449a
MD5 93fc3117767507c9889abd12dc667d22
SHA1 1096e4cfa0c35756e3c3fb866c1e4c1e59115df9
SHA512 e403348ee77bd3e7c45245dd5dae81c3ea130d5cf342f630982772ce5f75548b292013480e2831d68cf51349b64afde4589d4eec94b567d20f0a01e3b9549bdc
MD5 SHA1 SHA512

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memory/1688-10-0x0000000000260000-0x0000000000264000-memory.dmp

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memory/1956-18-0x0000000073D60000-0x000000007430B000-memory.dmp

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memory/1956-16-0x0000000073D61000-0x0000000073D62000-memory.dmp

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memory/1956-17-0x0000000073D60000-0x000000007430B000-memory.dmp

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memory/1956-13-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1956-15-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1956-11-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1956-26-0x0000000073D60000-0x000000007430B000-memory.dmp

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memory/1956-27-0x0000000073D60000-0x000000007430B000-memory.dmp

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memory/1956-31-0x0000000073D60000-0x000000007430B000-memory.dmp

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memory/1956-32-0x0000000073D60000-0x000000007430B000-memory.dmp

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memory/1956-33-0x0000000073D60000-0x000000007430B000-memory.dmp

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