nanocore | 50990533da634d9d5f5f3ed6770357b286913e2926690300bf8dd7cd11d381a1

General

Target

JaffaCakes118_b6241ff8462c282858648f7808db3cb6.exe
Size

1.0MB
MD5

b6241ff8462c282858648f7808db3cb6
SHA1

72812dc03db6367df83ce2347b64ad098f185306
SHA256

50990533da634d9d5f5f3ed6770357b286913e2926690300bf8dd7cd11d381a1
SHA512

4483d910c486eb90a6a2deb9f12296b4949e1f73d3733078befc4286c0ee16292ca2e93a9e474c9ea62d32e75760c3d3f246da245b11ac63c0b1de13f5c0fa7f
SSDEEP

12288:tKXCIbULewW4NQbbjc0v/MOyqvd2vIhyvSHsbImKTvDh3O2l+jn:qCIb6e66ZXtvdmKdb

Score

10^/10

nanocore discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

blackbladeinc52.ddns.net:1664

Mutex

fbbfab5f-08ef-48d2-8383-b548f171bb82

Attributes

activate_away_mode
true
backup_connection_host
blackbladeinc52.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-05-26T16:20:34.020102036Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
1664
default_group
NEW MONEY
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
fbbfab5f-08ef-48d2-8383-b548f171bb82
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
blackbladeinc52.ddns.net
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
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_b6241ff8462c282858648f7808db3cb6.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\LAN Service = "C:\\Program Files (x86)\\LAN Service\\lansv.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4272 set thread context of 1996	4272	JaffaCakes118_b6241ff8462c282858648f7808db3cb6.exe	101

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\LAN Service\lansv.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\LAN Service\lansv.exe	RegSvcs.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	JaffaCakes118_b6241ff8462c282858648f7808db3cb6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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

pid	Process
832	schtasks.exe
4820	schtasks.exe
1116	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
4272	JaffaCakes118_b6241ff8462c282858648f7808db3cb6.exe
4272	JaffaCakes118_b6241ff8462c282858648f7808db3cb6.exe
1996	RegSvcs.exe
1996	RegSvcs.exe
1996	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1996	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4272	JaffaCakes118_b6241ff8462c282858648f7808db3cb6.exe
Token: SeDebugPrivilege	1996	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4272 wrote to memory of 832	4272	JaffaCakes118_b6241ff8462c282858648f7808db3cb6.exe	99
PID 4272 wrote to memory of 832	4272	JaffaCakes118_b6241ff8462c282858648f7808db3cb6.exe	99
PID 4272 wrote to memory of 832	4272	JaffaCakes118_b6241ff8462c282858648f7808db3cb6.exe	99
PID 4272 wrote to memory of 1996	4272	JaffaCakes118_b6241ff8462c282858648f7808db3cb6.exe	101
PID 4272 wrote to memory of 1996	4272	JaffaCakes118_b6241ff8462c282858648f7808db3cb6.exe	101
PID 4272 wrote to memory of 1996	4272	JaffaCakes118_b6241ff8462c282858648f7808db3cb6.exe	101
PID 4272 wrote to memory of 1996	4272	JaffaCakes118_b6241ff8462c282858648f7808db3cb6.exe	101
PID 4272 wrote to memory of 1996	4272	JaffaCakes118_b6241ff8462c282858648f7808db3cb6.exe	101
PID 4272 wrote to memory of 1996	4272	JaffaCakes118_b6241ff8462c282858648f7808db3cb6.exe	101
PID 4272 wrote to memory of 1996	4272	JaffaCakes118_b6241ff8462c282858648f7808db3cb6.exe	101
PID 4272 wrote to memory of 1996	4272	JaffaCakes118_b6241ff8462c282858648f7808db3cb6.exe	101
PID 1996 wrote to memory of 4820	1996	RegSvcs.exe	102
PID 1996 wrote to memory of 4820	1996	RegSvcs.exe	102
PID 1996 wrote to memory of 4820	1996	RegSvcs.exe	102
PID 1996 wrote to memory of 1116	1996	RegSvcs.exe	104
PID 1996 wrote to memory of 1116	1996	RegSvcs.exe	104
PID 1996 wrote to memory of 1116	1996	RegSvcs.exe	104

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b6241ff8462c282858648f7808db3cb6.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b6241ff8462c282858648f7808db3cb6.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4272
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FmclKLhyvpKP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4D31.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:832
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Adds Run key to start application
  - 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:1996
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "LAN Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp5213.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4820
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "LAN Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp5252.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1116

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

Query Registry

1

T1012

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\tmp5213.tmp

Filesize
1KB

MD5
8cad1b41587ced0f1e74396794f31d58

SHA1
11054bf74fcf5e8e412768035e4dae43aa7b710f

SHA256
3086d914f6b23268f8a12cb1a05516cd5465c2577e1d1e449f1b45c8e5e8f83c

SHA512
99c2ef89029de51a866df932841684b7fc912df21e10e2dd0d09e400203bbdc6cba6319a31780b7bf8b286d2cea8ea3fc7d084348bf2f002ab4f5a34218ccbef

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp5252.tmp

Filesize
1KB

MD5
6b30dba7972c92c9a1b881e88c108b15

SHA1
f76207985cc5a1f70edb2fb5bd45678f195a4564

SHA256
578f5b0ff051f02f8e0a67fc3424dad554fa9489875475ea624fbb63eabfcbf7

SHA512
e3dd368937f863cb07453de12173580fb63b8d3983db7119c24860f227c89ded76401c47607f5b1134d215d46fe2b40d4bc3d7299374f1e8abecdeaefc7b9099

Download Submit
memory/1996-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1996-33-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/1996-32-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/1996-29-0x00000000055A0000-0x00000000055AA000-memory.dmp

Filesize
40KB

Download
memory/1996-31-0x00000000066D0000-0x00000000066DA000-memory.dmp

Filesize
40KB

Download
memory/1996-30-0x0000000005880000-0x000000000589E000-memory.dmp

Filesize
120KB

Download
memory/1996-21-0x0000000005360000-0x000000000536A000-memory.dmp

Filesize
40KB

Download
memory/1996-20-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/1996-18-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/4272-5-0x0000000004C20000-0x0000000004C3C000-memory.dmp

Filesize
112KB

Download
memory/4272-10-0x0000000007F40000-0x0000000007FA2000-memory.dmp

Filesize
392KB

Download
memory/4272-19-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/4272-9-0x00000000059E0000-0x0000000005A76000-memory.dmp

Filesize
600KB

Download
memory/4272-8-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/4272-7-0x0000000074BDE000-0x0000000074BDF000-memory.dmp

Filesize
4KB

Download
memory/4272-6-0x0000000004E00000-0x0000000004E9C000-memory.dmp

Filesize
624KB

Download
memory/4272-0-0x0000000074BDE000-0x0000000074BDF000-memory.dmp

Filesize
4KB

Download
memory/4272-4-0x0000000005310000-0x00000000058B4000-memory.dmp

Filesize
5.6MB

Download
memory/4272-3-0x0000000004CC0000-0x0000000004D52000-memory.dmp

Filesize
584KB

Download
memory/4272-2-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/4272-1-0x0000000000020000-0x0000000000126000-memory.dmp

Filesize
1.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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