nanocore | 88bb5f92b0c4aeb7a6ef54e16f943cb968dbfca46b2b5e8418e6429d5d7e6f19

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-12-2024 08:13

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General

Target

ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
Size

843KB
MD5

ddd261a6bd8ebcd6cdd8348e02f5dcd5
SHA1

07c8cd4aa111ba2cb0495ccd109df22dcabbfc19
SHA256

88bb5f92b0c4aeb7a6ef54e16f943cb968dbfca46b2b5e8418e6429d5d7e6f19
SHA512

77e1bf1fe05238facadbc6c4bcf67fc2a9e58cc577ec8d3fd2145e96dadb8567fcfd7a61daa8273646856393c8ffd9a3d532e85b3863c34e6b7ab994186b7462
SSDEEP

12288:A1UQYBGj5WIWcP3YYcX/BNFc/5twrJCB/Y+7CkDr/DjR:weG9k/BkDcJs/pOk//DV

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

185.125.205.68:5626

Mutex

dbf162fe-d70a-49dc-aab5-a5e8f2b10edb

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2018-08-20T07:30:43.299240836Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
true
connect_delay
4000
connection_port
5626
default_group
Goat
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
dbf162fe-d70a-49dc-aab5-a5e8f2b10edb
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
185.125.205.68
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
true
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
Nanocore family
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\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\kjjlkfhhjkj = "C:\\Users\\Admin\\mkllhjs.exe"	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.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	RegAsm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1968 set thread context of 2728	1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe	31

System Location Discovery: System Language Discovery 1 TTPs 2 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	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
2728	RegAsm.exe
2728	RegAsm.exe
2728	RegAsm.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2728	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
Token: SeDebugPrivilege	2728	RegAsm.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1968 wrote to memory of 2728	1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe	31
PID 1968 wrote to memory of 2728	1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe	31
PID 1968 wrote to memory of 2728	1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe	31
PID 1968 wrote to memory of 2728	1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe	31
PID 1968 wrote to memory of 2728	1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe	31
PID 1968 wrote to memory of 2728	1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe	31
PID 1968 wrote to memory of 2728	1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe	31
PID 1968 wrote to memory of 2728	1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe	31
PID 1968 wrote to memory of 2728	1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe	31
PID 1968 wrote to memory of 2728	1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe	31
PID 1968 wrote to memory of 2728	1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe	31
PID 1968 wrote to memory of 2728	1968	ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1968
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:2728

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

Replay Monitor

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Downloads

memory/1968-0-0x000000007487E000-0x000000007487F000-memory.dmp

Filesize
4KB

Download
memory/1968-1-0x0000000000CA0000-0x0000000000D62000-memory.dmp

Filesize
776KB

Download
memory/1968-2-0x0000000000AC0000-0x0000000000B0A000-memory.dmp

Filesize
296KB

Download
memory/1968-3-0x00000000004E0000-0x00000000004F4000-memory.dmp

Filesize
80KB

Download
memory/1968-4-0x0000000074870000-0x0000000074F5E000-memory.dmp

Filesize
6.9MB

Download
memory/1968-6-0x000000007487E000-0x000000007487F000-memory.dmp

Filesize
4KB

Download
memory/1968-7-0x0000000074870000-0x0000000074F5E000-memory.dmp

Filesize
6.9MB

Download
memory/2728-8-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2728-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2728-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2728-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2728-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2728-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2728-9-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2728-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2728-20-0x00000000007B0000-0x00000000007BA000-memory.dmp

Filesize
40KB

Download
memory/2728-21-0x00000000009B0000-0x00000000009CE000-memory.dmp

Filesize
120KB

Download
memory/2728-22-0x0000000000920000-0x000000000092A000-memory.dmp

Filesize
40KB

Download