nanocore | 5020e9cf2c144b517fefdf213aa187695a1c2045ca70b74557a3aa522368d9de

General

Target

2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe
Size

249KB
MD5

2ff0feb1e73070a50fb024d587c42471
SHA1

d62ff8a3a268662b7b5733512d88edb24665e8f2
SHA256

5020e9cf2c144b517fefdf213aa187695a1c2045ca70b74557a3aa522368d9de
SHA512

b4d8c0b6c265f5a7169999bea0a3da41efe863866ab6ebe7069b75d0183a5c7727663689a99a9bd2571960a0d930ba973149449a85ce342bd99b965c37e6f7c1
SSDEEP

3072:Q82kU3u8fk+bMROuT5Ftdr3jsQxeiYfVgTnJ2+MWV4+0lAXwsiScl37nt4oeAimd:IWskKMouNFzYE0aVVclLtReZm5f/1Ai

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

logindomain.sytes.net:54984

5.20.120.177:54984

Mutex

f78bc467-0735-4290-8f1a-d046622106d3

Attributes

activate_away_mode
false
backup_connection_host
5.20.120.177
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2019-10-16T15:18:03.428978936Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
false
clear_zone_identifier
false
connect_delay
4000
connection_port
54984
default_group
Sales
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
f78bc467-0735-4290-8f1a-d046622106d3
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
logindomain.sytes.net
primary_dns_server
8.8.8.8
request_elevation
false
restart_delay
5000
run_delay
0
run_on_startup
false
set_critical_process
false
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

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe

Disables cmd.exe use via registry modification 1 IoCs

evasion

Processes:

2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableCMD = "2"	2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ISS Host = "C:\\Program Files (x86)\\ISS Host\\isshost.exe"	2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 3 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe

description	pid	Process	procid_target
PID 1364 set thread context of 2012	1364	2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe	31

Drops file in Program Files directory 2 IoCs

Processes:

2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe

description	ioc	Process
File created	C:\Program Files (x86)\ISS Host\isshost.exe	2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\ISS Host\isshost.exe	2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.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

Processes:

2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exeschtasks.exe2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exeschtasks.exeschtasks.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid	Process
2104	schtasks.exe
2684	schtasks.exe
2964	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe

pid	Process
1364	2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe
2012	2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe
2012	2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe
2012	2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe

pid	Process
2012	2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe

description	pid	Process
Token: SeDebugPrivilege	1364	2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe
Token: SeDebugPrivilege	2012	2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe
Token: SeDebugPrivilege	2012	2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe

description	pid	Process	procid_target
PID 1364 wrote to memory of 2964	1364	2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe	29
PID 1364 wrote to memory of 2964	1364	2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe	29
PID 1364 wrote to memory of 2964	1364	2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe	29
PID 1364 wrote to memory of 2964	1364	2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe	29
PID 1364 wrote to memory of 2012	1364	2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe	31
PID 1364 wrote to memory of 2012	1364	2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe	31
PID 1364 wrote to memory of 2012	1364	2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe	31
PID 1364 wrote to memory of 2012	1364	2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe	31
PID 1364 wrote to memory of 2012	1364	2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe	31
PID 1364 wrote to memory of 2012	1364	2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe	31
PID 1364 wrote to memory of 2012	1364	2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe	31
PID 1364 wrote to memory of 2012	1364	2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe	31
PID 1364 wrote to memory of 2012	1364	2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe	31
PID 2012 wrote to memory of 2104	2012	2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe	32
PID 2012 wrote to memory of 2104	2012	2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe	32
PID 2012 wrote to memory of 2104	2012	2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe	32
PID 2012 wrote to memory of 2104	2012	2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe	32
PID 2012 wrote to memory of 2684	2012	2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe	34
PID 2012 wrote to memory of 2684	2012	2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe	34
PID 2012 wrote to memory of 2684	2012	2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe	34
PID 2012 wrote to memory of 2684	2012	2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe	34

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe"
1⤵
- UAC bypass
- Disables cmd.exe use via registry modification
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1364
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Update\Intel Core" /XML "C:\Users\Admin\AppData\Local\Temp\aGGGGG.xml"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2964
- C:\Users\Admin\AppData\Local\Temp\2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\2ff0feb1e73070a50fb024d587c42471_JaffaCakes118.exe"
  2⤵
  - 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
  - Suspicious use of WriteProcessMemory
  PID:2012
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "ISS Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA61F.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2104
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "ISS Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA67D.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2684

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

1

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

2

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\aGGGGG.xml

Filesize
1KB

MD5
b6f10cc1ffd436c8adecccb874f04347

SHA1
ad3322b5c446c40ed4d8f69e23a1e967271a3ce4

SHA256
8f87933ddc96a861965c4ca4b3e6986a0c92a54a086b457cb9b1de36537c4605

SHA512
5f3d54be434e14ddf517eebc29a579d1c876b40a6f2fc7332775162e754709bf317635753d5bfb4d91eecc71010a5c3566fc14223f574c7bb7b6db4134754220

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA61F.tmp

Filesize
1KB

MD5
2d625b43ffc70168c3674171d38c797d

SHA1
0b2480ed4d6c8ea229897b52905df673144ec97f

SHA256
1c7d5f1bd3132079aed5a6351f1b29898503060fc826291af9e84f8f9edc12a8

SHA512
eba64ee5d122a8d9d8552780db4b209d709ed138919cf59083e06e9ddeb9af1e60196b0d5ae0d38c3097ba14541836967aff2bb8a9ef354df4852f3453a306eb

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA67D.tmp

Filesize
1KB

MD5
3d1580c0395f6de62659467f5b7f1acf

SHA1
8e73a3885896cecca7ff799a272fc9ddfe06ea96

SHA256
6f40196c42a171f24a3e16edeca664cdc5a2f7c150d468255b0e14ab10a2b714

SHA512
7637c0d9b03227dffcb00a68d97ddce60bfc40ca0f8a7a4bbd700ea56be6d570908511dea5cab9f609a7da2e558e5298c482fd1e330af085f9c52867d5a847ea

Download Submit
memory/1364-0-0x0000000074921000-0x0000000074922000-memory.dmp

Filesize
4KB

Download
memory/1364-1-0x0000000074920000-0x0000000074ECB000-memory.dmp

Filesize
5.7MB

Download
memory/1364-2-0x0000000074920000-0x0000000074ECB000-memory.dmp

Filesize
5.7MB

Download
memory/1364-23-0x0000000074920000-0x0000000074ECB000-memory.dmp

Filesize
5.7MB

Download
memory/2012-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2012-22-0x0000000074920000-0x0000000074ECB000-memory.dmp

Filesize
5.7MB

Download
memory/2012-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2012-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2012-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2012-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2012-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2012-8-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2012-6-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2012-24-0x0000000074920000-0x0000000074ECB000-memory.dmp

Filesize
5.7MB

Download
memory/2012-25-0x0000000074920000-0x0000000074ECB000-memory.dmp

Filesize
5.7MB

Download
memory/2012-33-0x0000000074920000-0x0000000074ECB000-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