nanocore | 075e22ceed2efd644ae7b4f5a9232d7fc902c6b89d8b7314f442f358a23981b1

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

C2

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	JaffaCakes118_483db1810892de080346e097caf9635b.exe

Executes dropped EXE 2 IoCs

pid	Process
3760	tmp.exe
2296	svhost.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	tmp.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	JaffaCakes118_483db1810892de080346e097caf9635b.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	JaffaCakes118_483db1810892de080346e097caf9635b.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3316 set thread context of 2296	3316	JaffaCakes118_483db1810892de080346e097caf9635b.exe	104

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly\Desktop.ini	JaffaCakes118_483db1810892de080346e097caf9635b.exe
File opened for modification	C:\Windows\assembly	JaffaCakes118_483db1810892de080346e097caf9635b.exe
File created	C:\Windows\assembly\Desktop.ini	JaffaCakes118_483db1810892de080346e097caf9635b.exe

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	svhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
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

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
5032	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 16 IoCs

pid	Process
3316	JaffaCakes118_483db1810892de080346e097caf9635b.exe
3316	JaffaCakes118_483db1810892de080346e097caf9635b.exe
3316	JaffaCakes118_483db1810892de080346e097caf9635b.exe
3316	JaffaCakes118_483db1810892de080346e097caf9635b.exe
3316	JaffaCakes118_483db1810892de080346e097caf9635b.exe
3760	tmp.exe
3760	tmp.exe
3760	tmp.exe
3316	JaffaCakes118_483db1810892de080346e097caf9635b.exe
3316	JaffaCakes118_483db1810892de080346e097caf9635b.exe
3316	JaffaCakes118_483db1810892de080346e097caf9635b.exe
3316	JaffaCakes118_483db1810892de080346e097caf9635b.exe
3316	JaffaCakes118_483db1810892de080346e097caf9635b.exe
3316	JaffaCakes118_483db1810892de080346e097caf9635b.exe
3316	JaffaCakes118_483db1810892de080346e097caf9635b.exe
3316	JaffaCakes118_483db1810892de080346e097caf9635b.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3760	tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3316	JaffaCakes118_483db1810892de080346e097caf9635b.exe
Token: SeDebugPrivilege	3760	tmp.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3316 wrote to memory of 1152	3316	JaffaCakes118_483db1810892de080346e097caf9635b.exe	100
PID 3316 wrote to memory of 1152	3316	JaffaCakes118_483db1810892de080346e097caf9635b.exe	100
PID 3316 wrote to memory of 1152	3316	JaffaCakes118_483db1810892de080346e097caf9635b.exe	100
PID 1152 wrote to memory of 2924	1152	cmd.exe	102
PID 1152 wrote to memory of 2924	1152	cmd.exe	102
PID 1152 wrote to memory of 2924	1152	cmd.exe	102
PID 3316 wrote to memory of 3760	3316	JaffaCakes118_483db1810892de080346e097caf9635b.exe	103
PID 3316 wrote to memory of 3760	3316	JaffaCakes118_483db1810892de080346e097caf9635b.exe	103
PID 3316 wrote to memory of 3760	3316	JaffaCakes118_483db1810892de080346e097caf9635b.exe	103
PID 3316 wrote to memory of 2296	3316	JaffaCakes118_483db1810892de080346e097caf9635b.exe	104
PID 3316 wrote to memory of 2296	3316	JaffaCakes118_483db1810892de080346e097caf9635b.exe	104
PID 3316 wrote to memory of 2296	3316	JaffaCakes118_483db1810892de080346e097caf9635b.exe	104
PID 3316 wrote to memory of 2296	3316	JaffaCakes118_483db1810892de080346e097caf9635b.exe	104
PID 3316 wrote to memory of 2296	3316	JaffaCakes118_483db1810892de080346e097caf9635b.exe	104
PID 3316 wrote to memory of 2296	3316	JaffaCakes118_483db1810892de080346e097caf9635b.exe	104
PID 3316 wrote to memory of 2296	3316	JaffaCakes118_483db1810892de080346e097caf9635b.exe	104
PID 3316 wrote to memory of 2296	3316	JaffaCakes118_483db1810892de080346e097caf9635b.exe	104
PID 3316 wrote to memory of 3540	3316	JaffaCakes118_483db1810892de080346e097caf9635b.exe	105
PID 3316 wrote to memory of 3540	3316	JaffaCakes118_483db1810892de080346e097caf9635b.exe	105
PID 3316 wrote to memory of 3540	3316	JaffaCakes118_483db1810892de080346e097caf9635b.exe	105
PID 3540 wrote to memory of 5032	3540	cmd.exe	107
PID 3540 wrote to memory of 5032	3540	cmd.exe	107
PID 3540 wrote to memory of 5032	3540	cmd.exe	107

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_483db1810892de080346e097caf9635b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_483db1810892de080346e097caf9635b.exe"
1⤵
- Checks computer location settings
- Drops desktop.ini file(s)
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3316
- 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:1152
- - 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:2924
- C:\Users\Admin\AppData\Roaming\tmp.exe
  "C:\Users\Admin\AppData\Roaming\tmp.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:3760
- C:\Users\Admin\AppData\Local\Temp\svhost.exe
  "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2296
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\GoogleUpdate\google.exe.bat
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3540
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 600
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:5032

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Subvert Trust Controls

1

T1553

SIP and Trust Provider Hijacking

1

T1553.003

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\svhost.exe

Filesize
89KB

MD5
84c42d0f2c1ae761bef884638bc1eacd

SHA1
4353881e7f4e9c7610f4e0489183b55bb58bb574

SHA256
331487446653875bf1e628b797a5283e40056654f7ff328eafbe39b0304480d3

SHA512
43c307a38faa3a4b311597034cf75035a4434a1024d2a54e867e6a94b53b677898d71a858438d119000e872a7a6e92c5b31d277a8c207a94375ed4fd3c7beb87

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

Filesize
512KB

MD5
483db1810892de080346e097caf9635b

SHA1
df73dc447321aa7948fda3937ac625506ce4c56c

SHA256
075e22ceed2efd644ae7b4f5a9232d7fc902c6b89d8b7314f442f358a23981b1

SHA512
49dd04419689cfeeda9717aaa35f31288a950e9cd5b143c24c0b61dcaade3a761ed445bab9fb28f1cc1d7ea7cf0f9b888cd1fa488f370a6e8ce58414d6eaad9e

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

Filesize
196B

MD5
88424a200fa647f4c8f490c060f0ae58

SHA1
df6746b13f5470db20417409bf8a05c261a9862f

SHA256
8a9f9661180de1bd9e336cb43332d54889436d7e3ad0b5ec6a95092a5119c751

SHA512
4d1b0a1ae2fb2df7203cc60f18b1b26b19a89b78e0f649c0b1ab690be825e34d1620419c34fcf8d4f8a8acfd02534faf03850a98fa9225a76577cd27e906601f

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

Filesize
202KB

MD5
268595a29afb27199c59ea9e3e0d4bac

SHA1
e6d75af5d59d250de5138e4dd24562793d2d3af0

SHA256
8b0f393c0230a6525737d254550d5b5ec5c2dcc649bc83b19618a5a8e8531827

SHA512
2d7efc244ede853487b989ca79f89c830a884d9feb15d9b7161d35e8242771d0d69b30cdeb7216c4e62ad778012da35ddcb9fa91e3c1208efee954a04aa10663

Download Submit
memory/2296-31-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/2296-36-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/2296-28-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/2296-33-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/2296-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3316-0-0x00000000754B2000-0x00000000754B3000-memory.dmp

Filesize
4KB

Download
memory/3316-1-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/3316-2-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/3316-3-0x00000000754B2000-0x00000000754B3000-memory.dmp

Filesize
4KB

Download
memory/3316-4-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/3316-37-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/3760-26-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/3760-27-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/3760-25-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/3760-38-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/3760-39-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads