nanocore | b53daaa4a9456b5a91610bb6a056bd53c383124c64f1d4752183ef71df351f93

General

Target

bb76dc3d17a7765e3b5ce2da7534fd62_JaffaCakes118.exe
Size

739KB
MD5

bb76dc3d17a7765e3b5ce2da7534fd62
SHA1

e4460324743370880cff12ac1b3b2bedc694e3a4
SHA256

b53daaa4a9456b5a91610bb6a056bd53c383124c64f1d4752183ef71df351f93
SHA512

4123b4043c2926bb568e16d614812aaaf45d7de0b00a2005f9a928a2481ba63e4b554df568676d732b9060c3875d742d048c22276b234c3c37f6a8d24f3032ea
SSDEEP

12288:zRtlUGIjhXp/Yhsk/XaXMIaOdBjmODi3qjtm8akE98EpbD4zmFNeurBy+a:dtlUnb+skSX1aOdhmO0qg8rq8EpbMzmX

Score

10^/10

nanocore discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

sixteen.ddns.net:1616

Mutex

ae58582e-9093-4379-ba47-14a1ccb1be52

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-11-20T23:04:25.980141336Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
true
connect_delay
4000
connection_port
1616
default_group
jungle
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
ae58582e-9093-4379-ba47-14a1ccb1be52
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
sixteen.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

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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	bb76dc3d17a7765e3b5ce2da7534fd62_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3956 set thread context of 3404	3956	bb76dc3d17a7765e3b5ce2da7534fd62_JaffaCakes118.exe	100

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 3 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	bb76dc3d17a7765e3b5ce2da7534fd62_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
3532	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3956	bb76dc3d17a7765e3b5ce2da7534fd62_JaffaCakes118.exe
3404	MSBuild.exe
3404	MSBuild.exe
3404	MSBuild.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3404	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3956	bb76dc3d17a7765e3b5ce2da7534fd62_JaffaCakes118.exe
Token: SeDebugPrivilege	3404	MSBuild.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3956 wrote to memory of 3532	3956	bb76dc3d17a7765e3b5ce2da7534fd62_JaffaCakes118.exe	98
PID 3956 wrote to memory of 3532	3956	bb76dc3d17a7765e3b5ce2da7534fd62_JaffaCakes118.exe	98
PID 3956 wrote to memory of 3532	3956	bb76dc3d17a7765e3b5ce2da7534fd62_JaffaCakes118.exe	98
PID 3956 wrote to memory of 3404	3956	bb76dc3d17a7765e3b5ce2da7534fd62_JaffaCakes118.exe	100
PID 3956 wrote to memory of 3404	3956	bb76dc3d17a7765e3b5ce2da7534fd62_JaffaCakes118.exe	100
PID 3956 wrote to memory of 3404	3956	bb76dc3d17a7765e3b5ce2da7534fd62_JaffaCakes118.exe	100
PID 3956 wrote to memory of 3404	3956	bb76dc3d17a7765e3b5ce2da7534fd62_JaffaCakes118.exe	100
PID 3956 wrote to memory of 3404	3956	bb76dc3d17a7765e3b5ce2da7534fd62_JaffaCakes118.exe	100
PID 3956 wrote to memory of 3404	3956	bb76dc3d17a7765e3b5ce2da7534fd62_JaffaCakes118.exe	100
PID 3956 wrote to memory of 3404	3956	bb76dc3d17a7765e3b5ce2da7534fd62_JaffaCakes118.exe	100
PID 3956 wrote to memory of 3404	3956	bb76dc3d17a7765e3b5ce2da7534fd62_JaffaCakes118.exe	100

C:\Users\Admin\AppData\Local\Temp\bb76dc3d17a7765e3b5ce2da7534fd62_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bb76dc3d17a7765e3b5ce2da7534fd62_JaffaCakes118.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:3956
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HReLWWFUnzz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6230.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3532
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:3404

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

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\tmp6230.tmp

Filesize
1KB

MD5
39b71a70a09ea0dc2e0407417cfd3fd8

SHA1
0373956464d94e7da2210de1eea8f7f838ac9b3f

SHA256
32cbfe9d45b6f7a41400b0e777f997284b45582f1c53fbe370e474bca11d5bfc

SHA512
9bc15fe2560065c82694ad02058b42b5e597d2f075612acfcacf85585d7fe26b9452555aae0c9921962436eb9314dbc7e570128a88c8f0eef2688aee158e9cf3

Download Submit
memory/3404-27-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/3404-26-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/3404-25-0x00000000050E0000-0x00000000050EA000-memory.dmp

Filesize
40KB

Download
memory/3404-24-0x0000000004EC0000-0x0000000004EDE000-memory.dmp

Filesize
120KB

Download
memory/3404-23-0x0000000004E10000-0x0000000004E1A000-memory.dmp

Filesize
40KB

Download
memory/3404-21-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/3404-19-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/3404-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3956-10-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/3956-0-0x0000000074B5E000-0x0000000074B5F000-memory.dmp

Filesize
4KB

Download
memory/3956-11-0x0000000005F90000-0x0000000005FFA000-memory.dmp

Filesize
424KB

Download
memory/3956-9-0x0000000074B5E000-0x0000000074B5F000-memory.dmp

Filesize
4KB

Download
memory/3956-8-0x0000000005250000-0x000000000525A000-memory.dmp

Filesize
40KB

Download
memory/3956-7-0x0000000005B20000-0x0000000005BBC000-memory.dmp

Filesize
624KB

Download
memory/3956-20-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/3956-6-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/3956-5-0x0000000004CC0000-0x0000000004CCA000-memory.dmp

Filesize
40KB

Download
memory/3956-4-0x0000000004DB0000-0x0000000005104000-memory.dmp

Filesize
3.3MB

Download
memory/3956-3-0x0000000004D10000-0x0000000004DA2000-memory.dmp

Filesize
584KB

Download
memory/3956-2-0x00000000052C0000-0x0000000005864000-memory.dmp

Filesize
5.6MB

Download
memory/3956-1-0x0000000000210000-0x00000000002CE000-memory.dmp

Filesize
760KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads