nanocore | 075e22ceed2efd644ae7b4f5a9232d7fc902c6b89d8b7314f442f358a23981b1

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-01-2025 05:07

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General

Target

JaffaCakes118_483db1810892de080346e097caf9635b.exe
Size

512KB
MD5

483db1810892de080346e097caf9635b
SHA1

df73dc447321aa7948fda3937ac625506ce4c56c
SHA256

075e22ceed2efd644ae7b4f5a9232d7fc902c6b89d8b7314f442f358a23981b1
SHA512

49dd04419689cfeeda9717aaa35f31288a950e9cd5b143c24c0b61dcaade3a761ed445bab9fb28f1cc1d7ea7cf0f9b888cd1fa488f370a6e8ce58414d6eaad9e
SSDEEP

6144:A+Lxb7FOWwtrtyYVLi1D28Br4lSSiEim7OZ:A+fOWwmmi1DRaSSiEiSO

Score

10^/10

nanocore defense_evasion discovery evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

bestzones.ddns.net:7777

Mutex

483b7f1c-9ce3-4fd8-a962-61a5f5a4c924

Attributes

activate_away_mode
true
backup_connection_host
bestzones.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2018-06-01T21:31:53.630408036Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
7777
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
483b7f1c-9ce3-4fd8-a962-61a5f5a4c924
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
bestzones.ddns.net
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

Executes dropped EXE 2 IoCs

pid	Process
2956	tmp.exe
3036	svhost.exe

Loads dropped DLL 3 IoCs

pid	Process
2168	JaffaCakes118_483db1810892de080346e097caf9635b.exe
2168	JaffaCakes118_483db1810892de080346e097caf9635b.exe
2168	JaffaCakes118_483db1810892de080346e097caf9635b.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	svhost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2168 set thread context of 3036	2168	JaffaCakes118_483db1810892de080346e097caf9635b.exe	35

Subvert Trust Controls: Mark-of-the-Web Bypass 1 TTPs 1 IoCs

When files are downloaded from the Internet, they are tagged with a hidden NTFS Alternate Data Stream (ADS) named Zone.Identifier with a specific value known as the MOTW.

defense_evasion

SIP and Trust Provider Hijacking

T1553.003

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\GoogleUpdate\google.exe:Zone.Identifier	cmd.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 7 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	JaffaCakes118_483db1810892de080346e097caf9635b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
680	timeout.exe

NTFS ADS 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\GoogleUpdate\google.exe:Zone.Identifier	cmd.exe

Suspicious behavior: EnumeratesProcesses 17 IoCs

pid	Process
2168	JaffaCakes118_483db1810892de080346e097caf9635b.exe
2168	JaffaCakes118_483db1810892de080346e097caf9635b.exe
2168	JaffaCakes118_483db1810892de080346e097caf9635b.exe
2168	JaffaCakes118_483db1810892de080346e097caf9635b.exe
2168	JaffaCakes118_483db1810892de080346e097caf9635b.exe
3036	svhost.exe
3036	svhost.exe
3036	svhost.exe
2168	JaffaCakes118_483db1810892de080346e097caf9635b.exe
2168	JaffaCakes118_483db1810892de080346e097caf9635b.exe
2168	JaffaCakes118_483db1810892de080346e097caf9635b.exe
2168	JaffaCakes118_483db1810892de080346e097caf9635b.exe
2168	JaffaCakes118_483db1810892de080346e097caf9635b.exe
2168	JaffaCakes118_483db1810892de080346e097caf9635b.exe
2168	JaffaCakes118_483db1810892de080346e097caf9635b.exe
2168	JaffaCakes118_483db1810892de080346e097caf9635b.exe
2168	JaffaCakes118_483db1810892de080346e097caf9635b.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3036	svhost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2168	JaffaCakes118_483db1810892de080346e097caf9635b.exe
Token: SeDebugPrivilege	3036	svhost.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 892	2168	JaffaCakes118_483db1810892de080346e097caf9635b.exe	31
PID 2168 wrote to memory of 892	2168	JaffaCakes118_483db1810892de080346e097caf9635b.exe	31
PID 2168 wrote to memory of 892	2168	JaffaCakes118_483db1810892de080346e097caf9635b.exe	31
PID 2168 wrote to memory of 892	2168	JaffaCakes118_483db1810892de080346e097caf9635b.exe	31
PID 892 wrote to memory of 2908	892	cmd.exe	33
PID 892 wrote to memory of 2908	892	cmd.exe	33
PID 892 wrote to memory of 2908	892	cmd.exe	33
PID 892 wrote to memory of 2908	892	cmd.exe	33
PID 2168 wrote to memory of 2956	2168	JaffaCakes118_483db1810892de080346e097caf9635b.exe	34
PID 2168 wrote to memory of 2956	2168	JaffaCakes118_483db1810892de080346e097caf9635b.exe	34
PID 2168 wrote to memory of 2956	2168	JaffaCakes118_483db1810892de080346e097caf9635b.exe	34
PID 2168 wrote to memory of 2956	2168	JaffaCakes118_483db1810892de080346e097caf9635b.exe	34
PID 2168 wrote to memory of 3036	2168	JaffaCakes118_483db1810892de080346e097caf9635b.exe	35
PID 2168 wrote to memory of 3036	2168	JaffaCakes118_483db1810892de080346e097caf9635b.exe	35
PID 2168 wrote to memory of 3036	2168	JaffaCakes118_483db1810892de080346e097caf9635b.exe	35
PID 2168 wrote to memory of 3036	2168	JaffaCakes118_483db1810892de080346e097caf9635b.exe	35
PID 2168 wrote to memory of 3036	2168	JaffaCakes118_483db1810892de080346e097caf9635b.exe	35
PID 2168 wrote to memory of 3036	2168	JaffaCakes118_483db1810892de080346e097caf9635b.exe	35
PID 2168 wrote to memory of 3036	2168	JaffaCakes118_483db1810892de080346e097caf9635b.exe	35
PID 2168 wrote to memory of 3036	2168	JaffaCakes118_483db1810892de080346e097caf9635b.exe	35
PID 2168 wrote to memory of 3036	2168	JaffaCakes118_483db1810892de080346e097caf9635b.exe	35
PID 2168 wrote to memory of 2692	2168	JaffaCakes118_483db1810892de080346e097caf9635b.exe	36
PID 2168 wrote to memory of 2692	2168	JaffaCakes118_483db1810892de080346e097caf9635b.exe	36
PID 2168 wrote to memory of 2692	2168	JaffaCakes118_483db1810892de080346e097caf9635b.exe	36
PID 2168 wrote to memory of 2692	2168	JaffaCakes118_483db1810892de080346e097caf9635b.exe	36
PID 2692 wrote to memory of 680	2692	cmd.exe	38
PID 2692 wrote to memory of 680	2692	cmd.exe	38
PID 2692 wrote to memory of 680	2692	cmd.exe	38
PID 2692 wrote to memory of 680	2692	cmd.exe	38

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_483db1810892de080346e097caf9635b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_483db1810892de080346e097caf9635b.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe"
  2⤵
  - Subvert Trust Controls: Mark-of-the-Web Bypass
  - System Location Discovery: System Language Discovery
  - NTFS ADS
  - Suspicious use of WriteProcessMemory
  PID:892
- - C:\Windows\SysWOW64\reg.exe
    reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\GoogleUpdate\google.exe.lnk" /f
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2908
- C:\Users\Admin\AppData\Roaming\tmp.exe
  "C:\Users\Admin\AppData\Roaming\tmp.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2956
- C:\Users\Admin\AppData\Local\Temp\svhost.exe
  "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
  2⤵
  - Executes dropped EXE
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:3036
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Roaming\GoogleUpdate\google.exe.bat
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2692
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 600
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Subvert Trust Controls

T1553

SIP and Trust Provider Hijacking

T1553.003

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\Temp\svhost.exe

Filesize
85KB

MD5
2e5f1cf69f92392f8829fc9c9263ae9b

SHA1
97b9ca766bbbdaa8c9ec960dc41b598f7fad82a5

SHA256
51985a57e085d8b17042f0cdc1f905380b792854733eb3275fd8fce4e3bb886b

SHA512
f7e096dd9d0fa3a3c04c01bf229c4b344798a4c8b7b848588c1d78cb9fadfa9b1d0fd53c1fe74d191d5561e9eb551a4a3fc918363f119ea60024dd3d67c83883

Download Submit
C:\Users\Admin\AppData\Roaming\GoogleUpdate\google.exe.bat

Filesize
196B

MD5
88424a200fa647f4c8f490c060f0ae58

SHA1
df6746b13f5470db20417409bf8a05c261a9862f

SHA256
8a9f9661180de1bd9e336cb43332d54889436d7e3ad0b5ec6a95092a5119c751

SHA512
4d1b0a1ae2fb2df7203cc60f18b1b26b19a89b78e0f649c0b1ab690be825e34d1620419c34fcf8d4f8a8acfd02534faf03850a98fa9225a76577cd27e906601f

Download Submit
\Users\Admin\AppData\Roaming\tmp.exe

Filesize
202KB

MD5
268595a29afb27199c59ea9e3e0d4bac

SHA1
e6d75af5d59d250de5138e4dd24562793d2d3af0

SHA256
8b0f393c0230a6525737d254550d5b5ec5c2dcc649bc83b19618a5a8e8531827

SHA512
2d7efc244ede853487b989ca79f89c830a884d9feb15d9b7161d35e8242771d0d69b30cdeb7216c4e62ad778012da35ddcb9fa91e3c1208efee954a04aa10663

Download Submit
memory/2168-1-0x0000000073E00000-0x00000000743AB000-memory.dmp

Filesize
5.7MB

Download
memory/2168-2-0x0000000073E00000-0x00000000743AB000-memory.dmp

Filesize
5.7MB

Download
memory/2168-3-0x0000000073E00000-0x00000000743AB000-memory.dmp

Filesize
5.7MB

Download
memory/2168-52-0x0000000073E00000-0x00000000743AB000-memory.dmp

Filesize
5.7MB

Download
memory/2168-0-0x0000000073E01000-0x0000000073E02000-memory.dmp

Filesize
4KB

Download
memory/2956-26-0x0000000073E00000-0x00000000743AB000-memory.dmp

Filesize
5.7MB

Download
memory/2956-19-0x0000000073E00000-0x00000000743AB000-memory.dmp

Filesize
5.7MB

Download
memory/2956-51-0x0000000073E00000-0x00000000743AB000-memory.dmp

Filesize
5.7MB

Download
memory/2956-22-0x0000000073E00000-0x00000000743AB000-memory.dmp

Filesize
5.7MB

Download
memory/3036-33-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3036-27-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3036-29-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3036-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3036-31-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3036-35-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3036-38-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3036-40-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download