nanocore | fcb6baf010f8ee0f60d099566f21f3f13ad454b0dc1dcf803e04ddad7b6a0ee3

General

Target

d79d8dcc2ab17ad5af5a7ddf417033fa_JaffaCakes118.exe
Size

1.0MB
MD5

d79d8dcc2ab17ad5af5a7ddf417033fa
SHA1

1b19e9e1b6703f24c1157734bb09fb216d54f18b
SHA256

fcb6baf010f8ee0f60d099566f21f3f13ad454b0dc1dcf803e04ddad7b6a0ee3
SHA512

b22e72600a2fdf17ef960182f45336bd41185c0d7ca13927ef84e01509ecb01e38ced49f3fdcd6568d5eb9e5c3fbde0dcc31378a4fbfcef61c62a1ebb5f17415
SSDEEP

24576:MNA3R5drXPupJ6VK37RdR475a23nFSD8fK31S8/:N5uiKWVY/3QA

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

shutupgay.ddns.net:4500

127.0.0.1:4500

Mutex

0f9ff568-c553-4e4f-9afb-b9cedf17b837

Attributes

activate_away_mode
false
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-05-16T14:52:38.449117836Z
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
false
clear_zone_identifier
false
connect_delay
4000
connection_port
4500
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
0f9ff568-c553-4e4f-9afb-b9cedf17b837
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
shutupgay.ddns.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

Executes dropped EXE 2 IoCs

pid	Process
2848	Synapse.exe
2924	Synapse X Bootstrapper Fixer.exe

Loads dropped DLL 7 IoCs

pid	Process
808	d79d8dcc2ab17ad5af5a7ddf417033fa_JaffaCakes118.exe
808	d79d8dcc2ab17ad5af5a7ddf417033fa_JaffaCakes118.exe
808	d79d8dcc2ab17ad5af5a7ddf417033fa_JaffaCakes118.exe
808	d79d8dcc2ab17ad5af5a7ddf417033fa_JaffaCakes118.exe
808	d79d8dcc2ab17ad5af5a7ddf417033fa_JaffaCakes118.exe
808	d79d8dcc2ab17ad5af5a7ddf417033fa_JaffaCakes118.exe
808	d79d8dcc2ab17ad5af5a7ddf417033fa_JaffaCakes118.exe

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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\UDP Service = "C:\\Program Files (x86)\\UDP Service\\udpsv.exe"	Synapse X Bootstrapper Fixer.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	Synapse X Bootstrapper Fixer.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\UDP Service\udpsv.exe	Synapse X Bootstrapper Fixer.exe
File opened for modification	C:\Program Files (x86)\UDP Service\udpsv.exe	Synapse X Bootstrapper Fixer.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d79d8dcc2ab17ad5af5a7ddf417033fa_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Synapse X Bootstrapper Fixer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Synapse.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 2 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2812	schtasks.exe
2172	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2924	Synapse X Bootstrapper Fixer.exe
2924	Synapse X Bootstrapper Fixer.exe
2924	Synapse X Bootstrapper Fixer.exe
2924	Synapse X Bootstrapper Fixer.exe
2924	Synapse X Bootstrapper Fixer.exe
2924	Synapse X Bootstrapper Fixer.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2924	Synapse X Bootstrapper Fixer.exe
2848	Synapse.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2924	Synapse X Bootstrapper Fixer.exe
Token: SeDebugPrivilege	2924	Synapse X Bootstrapper Fixer.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 808 wrote to memory of 2848	808	d79d8dcc2ab17ad5af5a7ddf417033fa_JaffaCakes118.exe	30
PID 808 wrote to memory of 2848	808	d79d8dcc2ab17ad5af5a7ddf417033fa_JaffaCakes118.exe	30
PID 808 wrote to memory of 2848	808	d79d8dcc2ab17ad5af5a7ddf417033fa_JaffaCakes118.exe	30
PID 808 wrote to memory of 2848	808	d79d8dcc2ab17ad5af5a7ddf417033fa_JaffaCakes118.exe	30
PID 808 wrote to memory of 2924	808	d79d8dcc2ab17ad5af5a7ddf417033fa_JaffaCakes118.exe	31
PID 808 wrote to memory of 2924	808	d79d8dcc2ab17ad5af5a7ddf417033fa_JaffaCakes118.exe	31
PID 808 wrote to memory of 2924	808	d79d8dcc2ab17ad5af5a7ddf417033fa_JaffaCakes118.exe	31
PID 808 wrote to memory of 2924	808	d79d8dcc2ab17ad5af5a7ddf417033fa_JaffaCakes118.exe	31
PID 2924 wrote to memory of 2812	2924	Synapse X Bootstrapper Fixer.exe	32
PID 2924 wrote to memory of 2812	2924	Synapse X Bootstrapper Fixer.exe	32
PID 2924 wrote to memory of 2812	2924	Synapse X Bootstrapper Fixer.exe	32
PID 2924 wrote to memory of 2812	2924	Synapse X Bootstrapper Fixer.exe	32
PID 2924 wrote to memory of 2172	2924	Synapse X Bootstrapper Fixer.exe	34
PID 2924 wrote to memory of 2172	2924	Synapse X Bootstrapper Fixer.exe	34
PID 2924 wrote to memory of 2172	2924	Synapse X Bootstrapper Fixer.exe	34
PID 2924 wrote to memory of 2172	2924	Synapse X Bootstrapper Fixer.exe	34

C:\Users\Admin\AppData\Local\Temp\d79d8dcc2ab17ad5af5a7ddf417033fa_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d79d8dcc2ab17ad5af5a7ddf417033fa_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:808
- C:\Users\Admin\AppData\Roaming\Synapse.exe
  "C:\Users\Admin\AppData\Roaming\Synapse.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2848
- C:\Users\Admin\AppData\Roaming\Synapse X Bootstrapper Fixer.exe
  "C:\Users\Admin\AppData\Roaming\Synapse X Bootstrapper Fixer.exe"
  2⤵
  - Executes dropped EXE
  - 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:2924
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "UDP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpBB34.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2812
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "UDP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpBBC2.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2172

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

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

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpBB34.tmp

Filesize
1KB

MD5
cd0318a9669b1fc47980792395d94f08

SHA1
55094cee85ff232166d643c60574fe6c7b8dd664

SHA256
c27924028625e3aab8c27c9ef9ec0ffe1c3b7abc42cddbc936d5b13edf042bf5

SHA512
dbffd9c5d4b69a6ac3b61bfec516550cc484db77a8405684a53e660afe5b9f75ef04527237aad3025fa3a5e51eee753d6ecfae7323fa431da132e2190055a0d4

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpBBC2.tmp

Filesize
1KB

MD5
0a24db62cb5b84309c4803346caaa25d

SHA1
67660778f61bb44168c33ed3fe56ed86cf9583e8

SHA256
38d38647af394a04ee6add9f05c43244f04e64a6b96257f4b241a5038efa82df

SHA512
d25d9df063f44595d5e0bf890755bd387655131ff369eeedf3d11ffcc6202ca4455bbb33a8a926dd06839cbd1ddec3d06809b3c66a82c6518aa14beaa469a548

Download Submit
\Users\Admin\AppData\Roaming\Synapse X Bootstrapper Fixer.exe

Filesize
210KB

MD5
31942c083097ee225a2741d1feefa84f

SHA1
d319f8d7d2a03655adc07e862199e4ffa2d3e1cd

SHA256
3aa2e0c7a0aa95ff2c80d36319d6f27beeb88645b104031e361b31d0078c653c

SHA512
578af62b529f1bc9017d59ea44b0ae2ad23c3fc65f80e4fc990ad7477d7190de59738e8980dfeb56bf50d01a0c5ed71426aaf938d9f982b6891c285a452b1292

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

Filesize
759KB

MD5
3dfb6c13923f3bde60be638512e0f165

SHA1
eeea42cb85cb2bd049297be53b49acc354affb60

SHA256
584027f7ca111f164692a26dabdf0383d537310e49199504f0961f39f93e09e6

SHA512
31184ef9a2c72822351ce3c63ef36c29cb9bd1c34e2a0ff066c821a28e8285a19203dc99010a4a91ca3cd2f51c13f0f1846d7408da3ace27560a73008e527774

Download Submit
memory/2924-30-0x0000000073E51000-0x0000000073E52000-memory.dmp

Filesize
4KB

Download
memory/2924-34-0x0000000073E50000-0x00000000743FB000-memory.dmp

Filesize
5.7MB

Download
memory/2924-42-0x0000000073E50000-0x00000000743FB000-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