nanocore | ada3ad1cc888de7d953ebf448b0a5c5c8ef54dbc15ae51a9309d1d935133d355

General

Target

585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe
Size

684KB
MD5

585707e9c426d15c1dfd96c49dcc5944
SHA1

efaaf4a915e151a6165becf5d832fa7de3989505
SHA256

ada3ad1cc888de7d953ebf448b0a5c5c8ef54dbc15ae51a9309d1d935133d355
SHA512

1f90e3cc9a868ea406765089c3c8c138b0391b5775ef5a0a9e86c896e8059a59e9a4e329418509ccc0b12ed832f0721b39bcc43a3896a33fbe10ec0a83b56f26
SSDEEP

12288:IRX5do6sNCWX8B21AqrwYNaoDrYubENDsEg3WCf5pNgcTWgcNERS8/q4GLjRhzWQ:2X5dxsEWvj0saoI54f

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

office1.servemp3.com:2017

Mutex

d87de095-b054-44d3-a032-be422776e3c0

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-07-04T08:30:05.657848036Z
bypass_user_account_control
false
bypass_user_account_control_data
PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTE2Ij8+DQo8VGFzayB2ZXJzaW9uPSIxLjIiIHhtbG5zPSJodHRwOi8vc2NoZW1hcy5taWNyb3NvZnQuY29tL3dpbmRvd3MvMjAwNC8wMi9taXQvdGFzayI+DQogIDxSZWdpc3RyYXRpb25JbmZvIC8+DQogIDxUcmlnZ2VycyAvPg0KICA8UHJpbmNpcGFscz4NCiAgICA8UHJpbmNpcGFsIGlkPSJBdXRob3IiPg0KICAgICAgPExvZ29uVHlwZT5JbnRlcmFjdGl2ZVRva2VuPC9Mb2dvblR5cGU+DQogICAgICA8UnVuTGV2ZWw+SGlnaGVzdEF2YWlsYWJsZTwvUnVuTGV2ZWw+DQogICAgPC9QcmluY2lwYWw+DQogIDwvUHJpbmNpcGFscz4NCiAgPFNldHRpbmdzPg0KICAgIDxNdWx0aXBsZUluc3RhbmNlc1BvbGljeT5QYXJhbGxlbDwvTXVsdGlwbGVJbnN0YW5jZXNQb2xpY3k+DQogICAgPERpc2FsbG93U3RhcnRJZk9uQmF0dGVyaWVzPmZhbHNlPC9EaXNhbGxvd1N0YXJ0SWZPbkJhdHRlcmllcz4NCiAgICA8U3RvcElmR29pbmdPbkJhdHRlcmllcz5mYWxzZTwvU3RvcElmR29pbmdPbkJhdHRlcmllcz4NCiAgICA8QWxsb3dIYXJkVGVybWluYXRlPnRydWU8L0FsbG93SGFyZFRlcm1pbmF0ZT4NCiAgICA8U3RhcnRXaGVuQXZhaWxhYmxlPmZhbHNlPC9TdGFydFdoZW5BdmFpbGFibGU+DQogICAgPFJ1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+ZmFsc2U8L1J1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+DQogICAgPElkbGVTZXR0aW5ncz4NCiAgICAgIDxTdG9wT25JZGxlRW5kPmZhbHNlPC9TdG9wT25JZGxlRW5kPg0KICAgICAgPFJlc3RhcnRPbklkbGU+ZmFsc2U8L1Jlc3RhcnRPbklkbGU+DQogICAgPC9JZGxlU2V0dGluZ3M+DQogICAgPEFsbG93U3RhcnRPbkRlbWFuZD50cnVlPC9BbGxvd1N0YXJ0T25EZW1hbmQ+DQogICAgPEVuYWJsZWQ+dHJ1ZTwvRW5hYmxlZD4NCiAgICA8SGlkZGVuPmZhbHNlPC9IaWRkZW4+DQogICAgPFJ1bk9ubHlJZklkbGU+ZmFsc2U8L1J1bk9ubHlJZklkbGU+DQogICAgPFdha2VUb1J1bj5mYWxzZTwvV2FrZVRvUnVuPg0KICAgIDxFeGVjdXRpb25UaW1lTGltaXQ+UFQwUzwvRXhlY3V0aW9uVGltZUxpbWl0Pg0KICAgIDxQcmlvcml0eT40PC9Qcmlvcml0eT4NCiAgPC9TZXR0aW5ncz4NCiAgPEFjdGlvbnMgQ29udGV4dD0iQXV0aG9yIj4NCiAgICA8RXhlYz4NCiAgICAgIDxDb21tYW5kPiIjRVhFQ1VUQUJMRVBBVEgiPC9Db21tYW5kPg0KICAgICAgPEFyZ3VtZW50cz4kKEFyZzApPC9Bcmd1bWVudHM+DQogICAgPC9FeGVjPg0KICA8L0FjdGlvbnM+DQo8L1Rhc2s+
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
2017
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
d87de095-b054-44d3-a032-be422776e3c0
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
office1.servemp3.com
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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\PCI Service = "C:\\Program Files (x86)\\PCI Service\\pcisvc.exe"	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe

description	pid	process	target process
PID 2104 set thread context of 2880	2104	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe

Drops file in Program Files directory 2 IoCs

Processes:

585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe

description	ioc	process
File created	C:\Program Files (x86)\PCI Service\pcisvc.exe	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\PCI Service\pcisvc.exe	585707e9c426d15c1dfd96c49dcc5944_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:

585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exeschtasks.exe585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exeschtasks.exeschtasks.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	585707e9c426d15c1dfd96c49dcc5944_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

2720 schtasks.exe
308 schtasks.exe
3036 schtasks.exe

pid	process
2720	schtasks.exe
308	schtasks.exe
3036	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe

pid	process
2104	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe
2104	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe
2104	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe
2880	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe
2880	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe
2880	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe

pid process

2880 585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe

pid	process
2880	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	2104	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe
Token: SeDebugPrivilege	2880	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe

description	pid	process	target process
PID 2104 wrote to memory of 2720	2104	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe	schtasks.exe
PID 2104 wrote to memory of 2720	2104	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe	schtasks.exe
PID 2104 wrote to memory of 2720	2104	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe	schtasks.exe
PID 2104 wrote to memory of 2720	2104	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe	schtasks.exe
PID 2104 wrote to memory of 2876	2104	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe
PID 2104 wrote to memory of 2876	2104	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe
PID 2104 wrote to memory of 2876	2104	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe
PID 2104 wrote to memory of 2876	2104	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe
PID 2104 wrote to memory of 2880	2104	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe
PID 2104 wrote to memory of 2880	2104	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe
PID 2104 wrote to memory of 2880	2104	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe
PID 2104 wrote to memory of 2880	2104	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe
PID 2104 wrote to memory of 2880	2104	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe
PID 2104 wrote to memory of 2880	2104	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe
PID 2104 wrote to memory of 2880	2104	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe
PID 2104 wrote to memory of 2880	2104	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe
PID 2104 wrote to memory of 2880	2104	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe
PID 2880 wrote to memory of 308	2880	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe	schtasks.exe
PID 2880 wrote to memory of 308	2880	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe	schtasks.exe
PID 2880 wrote to memory of 308	2880	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe	schtasks.exe
PID 2880 wrote to memory of 308	2880	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe	schtasks.exe
PID 2880 wrote to memory of 3036	2880	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe	schtasks.exe
PID 2880 wrote to memory of 3036	2880	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe	schtasks.exe
PID 2880 wrote to memory of 3036	2880	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe	schtasks.exe
PID 2880 wrote to memory of 3036	2880	585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2104

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HrChnHj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9675.tmp"
2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2720

C:\Users\Admin\AppData\Local\Temp\585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe"
2⤵
PID:2876

C:\Users\Admin\AppData\Local\Temp\585707e9c426d15c1dfd96c49dcc5944_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\585707e9c426d15c1dfd96c49dcc5944_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:2880

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "PCI Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9924.tmp"
3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:308

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "PCI Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9B66.tmp"
3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3036

Network

MITRE ATT&CK Matrix ATT&CK v13

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

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

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp9675.tmp
Filesize
1KB

MD5
f670b88ee5e2c8a38081b7a291369a07

SHA1
b633ca821d1bfd2eea4c95f77162e998d906e2c5

SHA256
e5dc6b2e965e639fa4d39087f6051b0df2db214458c2f43c32c9be1518611146

SHA512
f9b189135bc4d9560c2255006ce7342852918847845a26ead279e8cbf221154125ee47b1706a94ddd98ef67615e36a0a35b4d76bd43f1bfa3fa1d01016c62980

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9924.tmp
Filesize
1KB

MD5
560ff2f88754e055fd38ec17ea811de8

SHA1
87da7ce837ccd76b9ec87ab19736502792c562af

SHA256
dd718cd85dfd1f7d6fd4f6be179fa0de118994340f1733942a44f262a718067b

SHA512
60351dd61feb99b6f026cea604a05c06010d1e7bf7f573ad68e90cd4a8244d6a2056726513ab04eb03557f553a9b9a0e1b526be066e32d34ff2ce17933491a6f

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9B66.tmp
Filesize
1KB

MD5
a4f6fa4537e2dcf0d3e2802c0f070a4d

SHA1
03545095bfeddd7656b5b8547ab84a810324a94f

SHA256
192ac26e1895b267149bde35c55327f4a441693495239da5899062924d45bd11

SHA512
a4293123d718b0511a8301a7f536e403cecf8bc89f25f9dc4692b293eb8a554a8eb67993a26fe0e96792b6eb3573b34e9b270777cafe95c2383268da6d40fd2e

Download Submit
memory/2104-0-0x00000000743B1000-0x00000000743B2000-memory.dmp

Filesize
4KB

Download
memory/2104-1-0x00000000743B0000-0x000000007495B000-memory.dmp

Filesize
5.7MB

Download
memory/2104-2-0x00000000743B0000-0x000000007495B000-memory.dmp

Filesize
5.7MB

Download
memory/2104-3-0x00000000743B0000-0x000000007495B000-memory.dmp

Filesize
5.7MB

Download
memory/2104-4-0x00000000743B0000-0x000000007495B000-memory.dmp

Filesize
5.7MB

Download
memory/2104-25-0x00000000743B0000-0x000000007495B000-memory.dmp

Filesize
5.7MB

Download
memory/2880-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2880-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2880-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2880-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2880-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2880-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2880-27-0x00000000743B0000-0x000000007495B000-memory.dmp

Filesize
5.7MB

Download
memory/2880-30-0x00000000743B0000-0x000000007495B000-memory.dmp

Filesize
5.7MB

Download
memory/2880-31-0x00000000743B0000-0x000000007495B000-memory.dmp

Filesize
5.7MB

Download
memory/2880-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2880-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2880-36-0x00000000743B0000-0x000000007495B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads