nanocore | 08919cc5cb5b5abcdc535417162cce08f2a8395fbe647a1c67386e0df13ed63f

Analysis

max time kernel
150s
max time network
146s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-09-2024 13:27

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General

Target

e93827b47638f3890aac916fe1111808_JaffaCakes118.exe
Size

453KB
MD5

e93827b47638f3890aac916fe1111808
SHA1

552c3dac7f0e22bf9a29fdd963843e8fd714d79a
SHA256

08919cc5cb5b5abcdc535417162cce08f2a8395fbe647a1c67386e0df13ed63f
SHA512

8d771b4e04edbcb77556e0fcddb4fe9910eb12e53ce77ca16f85bc95fb90bfbb223202eb07e1a4bda861fc244c1c7b3871a8289bdb060de9267dfe0a94b69c65
SSDEEP

12288:HWdVjH7tnCkrko64EuW0WR3+qmKZYULdUe:uVjbtnCS76PuVWjmIJ

Score

10^/10

nanocore agilenet discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

eter202.ddns.net:2002

127.0.0.1:2002

Mutex

53957676-27b2-45fc-90fa-942bf21dff75

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2018-12-07T19:51:32.143834936Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
2002
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
53957676-27b2-45fc-90fa-942bf21dff75
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
eter202.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

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\wordpad.lnk	wordpad.exe

Executes dropped EXE 2 IoCs

pid	Process
1456	wordpad.exe
3004	wordpad.exe

Loads dropped DLL 3 IoCs

pid	Process
2708	cmd.exe
1456	wordpad.exe
1456	wordpad.exe

Obfuscated with Agile.Net obfuscator 1 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

resource	yara_rule
behavioral1/memory/1456-23-0x00000000046D0000-0x00000000046DA000-memory.dmp	agile_net

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\DOS Manager = "C:\\Program Files (x86)\\DOS Manager\\dosmgr.exe"	wordpad.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	wordpad.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1456 set thread context of 3004	1456	wordpad.exe	34

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DOS Manager\dosmgr.exe	wordpad.exe
File opened for modification	C:\Program Files (x86)\DOS Manager\dosmgr.exe	wordpad.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	wordpad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wordpad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e93827b47638f3890aac916fe1111808_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3004	wordpad.exe
3004	wordpad.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3004	wordpad.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	1120	e93827b47638f3890aac916fe1111808_JaffaCakes118.exe
Token: 33	1120	e93827b47638f3890aac916fe1111808_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1120	e93827b47638f3890aac916fe1111808_JaffaCakes118.exe
Token: SeDebugPrivilege	1456	wordpad.exe
Token: 33	1456	wordpad.exe
Token: SeIncBasePriorityPrivilege	1456	wordpad.exe
Token: SeDebugPrivilege	3004	wordpad.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 1120 wrote to memory of 2948	1120	e93827b47638f3890aac916fe1111808_JaffaCakes118.exe	29
PID 1120 wrote to memory of 2948	1120	e93827b47638f3890aac916fe1111808_JaffaCakes118.exe	29
PID 1120 wrote to memory of 2948	1120	e93827b47638f3890aac916fe1111808_JaffaCakes118.exe	29
PID 1120 wrote to memory of 2948	1120	e93827b47638f3890aac916fe1111808_JaffaCakes118.exe	29
PID 1120 wrote to memory of 2708	1120	e93827b47638f3890aac916fe1111808_JaffaCakes118.exe	31
PID 1120 wrote to memory of 2708	1120	e93827b47638f3890aac916fe1111808_JaffaCakes118.exe	31
PID 1120 wrote to memory of 2708	1120	e93827b47638f3890aac916fe1111808_JaffaCakes118.exe	31
PID 1120 wrote to memory of 2708	1120	e93827b47638f3890aac916fe1111808_JaffaCakes118.exe	31
PID 2708 wrote to memory of 1456	2708	cmd.exe	33
PID 2708 wrote to memory of 1456	2708	cmd.exe	33
PID 2708 wrote to memory of 1456	2708	cmd.exe	33
PID 2708 wrote to memory of 1456	2708	cmd.exe	33
PID 2708 wrote to memory of 1456	2708	cmd.exe	33
PID 2708 wrote to memory of 1456	2708	cmd.exe	33
PID 2708 wrote to memory of 1456	2708	cmd.exe	33
PID 1456 wrote to memory of 3004	1456	wordpad.exe	34
PID 1456 wrote to memory of 3004	1456	wordpad.exe	34
PID 1456 wrote to memory of 3004	1456	wordpad.exe	34
PID 1456 wrote to memory of 3004	1456	wordpad.exe	34
PID 1456 wrote to memory of 3004	1456	wordpad.exe	34
PID 1456 wrote to memory of 3004	1456	wordpad.exe	34
PID 1456 wrote to memory of 3004	1456	wordpad.exe	34
PID 1456 wrote to memory of 3004	1456	wordpad.exe	34
PID 1456 wrote to memory of 3004	1456	wordpad.exe	34
PID 1456 wrote to memory of 3004	1456	wordpad.exe	34
PID 1456 wrote to memory of 3004	1456	wordpad.exe	34
PID 1456 wrote to memory of 3004	1456	wordpad.exe	34

C:\Users\Admin\AppData\Local\Temp\e93827b47638f3890aac916fe1111808_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e93827b47638f3890aac916fe1111808_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1120
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\e93827b47638f3890aac916fe1111808_JaffaCakes118.exe" "C:\Users\Admin\AppData\Local\wordpad.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2948
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c, "C:\Users\Admin\AppData\Local\wordpad.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2708
- - C:\Users\Admin\AppData\Local\wordpad.exe
    "C:\Users\Admin\AppData\Local\wordpad.exe"
    3⤵
    - Drops startup file
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1456
  - - C:\Users\Admin\AppData\Local\wordpad.exe
      "C:\Users\Admin\AppData\Local\wordpad.exe"
      4⤵
      Executes dropped EXE
      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
      PID:3004

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\wordpad.exe

Filesize
453KB

MD5
e93827b47638f3890aac916fe1111808

SHA1
552c3dac7f0e22bf9a29fdd963843e8fd714d79a

SHA256
08919cc5cb5b5abcdc535417162cce08f2a8395fbe647a1c67386e0df13ed63f

SHA512
8d771b4e04edbcb77556e0fcddb4fe9910eb12e53ce77ca16f85bc95fb90bfbb223202eb07e1a4bda861fc244c1c7b3871a8289bdb060de9267dfe0a94b69c65

Download Submit
memory/1120-0-0x000000007401E000-0x000000007401F000-memory.dmp

Filesize
4KB

Download
memory/1120-1-0x0000000000F50000-0x0000000000FCC000-memory.dmp

Filesize
496KB

Download
memory/1120-2-0x0000000000620000-0x0000000000662000-memory.dmp

Filesize
264KB

Download
memory/1120-3-0x00000000005B0000-0x00000000005E0000-memory.dmp

Filesize
192KB

Download
memory/1120-4-0x0000000074010000-0x00000000746FE000-memory.dmp

Filesize
6.9MB

Download
memory/1120-5-0x000000007401E000-0x000000007401F000-memory.dmp

Filesize
4KB

Download
memory/1120-6-0x0000000074010000-0x00000000746FE000-memory.dmp

Filesize
6.9MB

Download
memory/1120-7-0x0000000000670000-0x000000000067E000-memory.dmp

Filesize
56KB

Download
memory/1120-8-0x00000000007A0000-0x00000000007A8000-memory.dmp

Filesize
32KB

Download
memory/1120-14-0x0000000074010000-0x00000000746FE000-memory.dmp

Filesize
6.9MB

Download
memory/1456-18-0x0000000074010000-0x00000000746FE000-memory.dmp

Filesize
6.9MB

Download
memory/1456-16-0x0000000001210000-0x000000000128C000-memory.dmp

Filesize
496KB

Download
memory/1456-17-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1456-15-0x0000000074010000-0x00000000746FE000-memory.dmp

Filesize
6.9MB

Download
memory/1456-19-0x0000000074010000-0x00000000746FE000-memory.dmp

Filesize
6.9MB

Download
memory/1456-20-0x0000000074010000-0x00000000746FE000-memory.dmp

Filesize
6.9MB

Download
memory/1456-23-0x00000000046D0000-0x00000000046DA000-memory.dmp

Filesize
40KB

Download
memory/1456-38-0x0000000074010000-0x00000000746FE000-memory.dmp

Filesize
6.9MB

Download
memory/3004-29-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3004-28-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3004-31-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3004-33-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3004-34-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3004-37-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3004-36-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3004-25-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3004-41-0x00000000004C0000-0x00000000004CA000-memory.dmp

Filesize
40KB

Download
memory/3004-42-0x0000000000510000-0x000000000052E000-memory.dmp

Filesize
120KB

Download
memory/3004-43-0x0000000000670000-0x000000000067A000-memory.dmp

Filesize
40KB

Download