nanocore | 0c43a9120385afddeb7173a6c93572c50c49b1e0fb44b219e0ee492e70ed14d5

General

Target

b8b75b9d85c2525bf6a279ee38e1fbe3_JaffaCakes118.exe
Size

524KB
MD5

b8b75b9d85c2525bf6a279ee38e1fbe3
SHA1

8cd035cc00557063f695569f7156b67634c5f1ae
SHA256

0c43a9120385afddeb7173a6c93572c50c49b1e0fb44b219e0ee492e70ed14d5
SHA512

b2fffd8cfae10bfc15aab7c6792579294ffb6c3209b49f03d8b0e91bea24ffca1b87dc5a7bcf92ab73464d16a1ce8de3388ec935f7959cb1eada1f935df73a9c
SSDEEP

12288:X4uMhMNY9dr8PxljcYeRGkv7TuaOEjIp:OhMNYfQPHOO

Score

10^/10

nanocore discovery evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

ella666.duckdns.org:31833

second54321.ddns.net:31833

Mutex

15e30443-b8b9-4837-95fa-542ed5b1078a

Attributes

activate_away_mode
true
backup_connection_host
second54321.ddns.net
backup_dns_server
second54321.ddns.net
buffer_size
65535
build_time
2020-11-07T09:26:13.196540636Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
31833
default_group
31833
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
15e30443-b8b9-4837-95fa-542ed5b1078a
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
ella666.duckdns.org
primary_dns_server
ella666.duckdns.org
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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	b8b75b9d85c2525bf6a279ee38e1fbe3_JaffaCakes118.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	b8b75b9d85c2525bf6a279ee38e1fbe3_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3416 set thread context of 4032	3416	b8b75b9d85c2525bf6a279ee38e1fbe3_JaffaCakes118.exe	101

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	b8b75b9d85c2525bf6a279ee38e1fbe3_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b8b75b9d85c2525bf6a279ee38e1fbe3_JaffaCakes118.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
4640	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3416	b8b75b9d85c2525bf6a279ee38e1fbe3_JaffaCakes118.exe
3416	b8b75b9d85c2525bf6a279ee38e1fbe3_JaffaCakes118.exe
3416	b8b75b9d85c2525bf6a279ee38e1fbe3_JaffaCakes118.exe
4032	b8b75b9d85c2525bf6a279ee38e1fbe3_JaffaCakes118.exe
4032	b8b75b9d85c2525bf6a279ee38e1fbe3_JaffaCakes118.exe
4032	b8b75b9d85c2525bf6a279ee38e1fbe3_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4032	b8b75b9d85c2525bf6a279ee38e1fbe3_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3416	b8b75b9d85c2525bf6a279ee38e1fbe3_JaffaCakes118.exe
Token: SeDebugPrivilege	4032	b8b75b9d85c2525bf6a279ee38e1fbe3_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3416 wrote to memory of 4640	3416	b8b75b9d85c2525bf6a279ee38e1fbe3_JaffaCakes118.exe	98
PID 3416 wrote to memory of 4640	3416	b8b75b9d85c2525bf6a279ee38e1fbe3_JaffaCakes118.exe	98
PID 3416 wrote to memory of 4640	3416	b8b75b9d85c2525bf6a279ee38e1fbe3_JaffaCakes118.exe	98
PID 3416 wrote to memory of 1988	3416	b8b75b9d85c2525bf6a279ee38e1fbe3_JaffaCakes118.exe	100
PID 3416 wrote to memory of 1988	3416	b8b75b9d85c2525bf6a279ee38e1fbe3_JaffaCakes118.exe	100
PID 3416 wrote to memory of 1988	3416	b8b75b9d85c2525bf6a279ee38e1fbe3_JaffaCakes118.exe	100
PID 3416 wrote to memory of 4032	3416	b8b75b9d85c2525bf6a279ee38e1fbe3_JaffaCakes118.exe	101
PID 3416 wrote to memory of 4032	3416	b8b75b9d85c2525bf6a279ee38e1fbe3_JaffaCakes118.exe	101
PID 3416 wrote to memory of 4032	3416	b8b75b9d85c2525bf6a279ee38e1fbe3_JaffaCakes118.exe	101
PID 3416 wrote to memory of 4032	3416	b8b75b9d85c2525bf6a279ee38e1fbe3_JaffaCakes118.exe	101
PID 3416 wrote to memory of 4032	3416	b8b75b9d85c2525bf6a279ee38e1fbe3_JaffaCakes118.exe	101
PID 3416 wrote to memory of 4032	3416	b8b75b9d85c2525bf6a279ee38e1fbe3_JaffaCakes118.exe	101
PID 3416 wrote to memory of 4032	3416	b8b75b9d85c2525bf6a279ee38e1fbe3_JaffaCakes118.exe	101
PID 3416 wrote to memory of 4032	3416	b8b75b9d85c2525bf6a279ee38e1fbe3_JaffaCakes118.exe	101

C:\Users\Admin\AppData\Local\Temp\b8b75b9d85c2525bf6a279ee38e1fbe3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b8b75b9d85c2525bf6a279ee38e1fbe3_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:3416
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AcGIkkp" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAE6B.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4640
- C:\Users\Admin\AppData\Local\Temp\b8b75b9d85c2525bf6a279ee38e1fbe3_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\b8b75b9d85c2525bf6a279ee38e1fbe3_JaffaCakes118.exe"
  2⤵
  PID:1988
- C:\Users\Admin\AppData\Local\Temp\b8b75b9d85c2525bf6a279ee38e1fbe3_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\b8b75b9d85c2525bf6a279ee38e1fbe3_JaffaCakes118.exe"
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:4032

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

3

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\Microsoft\CLR_v4.0_32\UsageLogs\b8b75b9d85c2525bf6a279ee38e1fbe3_JaffaCakes118.exe.log

Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpAE6B.tmp

Filesize
1KB

MD5
34fc0030b2286b187fd62b5efd2f18bd

SHA1
6efa23cd288784648b4dc5f9f2858c48353f84f1

SHA256
49b11f4b80e84189ee961a303ea1edc0c7fd237653b0b8034e92516f6eb1a4e7

SHA512
8747592ed56e7ce2b22a969589f0b3a2e83d61c419c85b6c75126a1726b515ea54afba5aca563c4db8dc4d1a7c92be2137402e2f19e702cfbd04622679750485

Download Submit
memory/3416-5-0x0000000004D70000-0x0000000004D7A000-memory.dmp

Filesize
40KB

Download
memory/3416-1-0x00000000002B0000-0x000000000033A000-memory.dmp

Filesize
552KB

Download
memory/3416-4-0x0000000004DB0000-0x0000000004E42000-memory.dmp

Filesize
584KB

Download
memory/3416-0-0x0000000074ADE000-0x0000000074ADF000-memory.dmp

Filesize
4KB

Download
memory/3416-6-0x0000000004FF0000-0x0000000005046000-memory.dmp

Filesize
344KB

Download
memory/3416-7-0x0000000074AD0000-0x0000000075280000-memory.dmp

Filesize
7.7MB

Download
memory/3416-8-0x0000000004F70000-0x0000000004F7A000-memory.dmp

Filesize
40KB

Download
memory/3416-9-0x0000000074ADE000-0x0000000074ADF000-memory.dmp

Filesize
4KB

Download
memory/3416-10-0x0000000074AD0000-0x0000000075280000-memory.dmp

Filesize
7.7MB

Download
memory/3416-11-0x0000000000B70000-0x0000000000BD8000-memory.dmp

Filesize
416KB

Download
memory/3416-2-0x0000000004C60000-0x0000000004CFC000-memory.dmp

Filesize
624KB

Download
memory/3416-3-0x0000000005360000-0x0000000005904000-memory.dmp

Filesize
5.6MB

Download
memory/3416-21-0x0000000074AD0000-0x0000000075280000-memory.dmp

Filesize
7.7MB

Download
memory/4032-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4032-20-0x0000000074AD0000-0x0000000075280000-memory.dmp

Filesize
7.7MB

Download
memory/4032-22-0x0000000074AD0000-0x0000000075280000-memory.dmp

Filesize
7.7MB

Download
memory/4032-24-0x0000000005750000-0x000000000575A000-memory.dmp

Filesize
40KB

Download
memory/4032-25-0x0000000006270000-0x000000000628E000-memory.dmp

Filesize
120KB

Download
memory/4032-26-0x0000000006390000-0x000000000639A000-memory.dmp

Filesize
40KB

Download
memory/4032-27-0x0000000074AD0000-0x0000000075280000-memory.dmp

Filesize
7.7MB

Download
memory/4032-28-0x0000000074AD0000-0x0000000075280000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads