nanocore | df8bf20364ce7962c466084b46a93ad6762b2459191b39d0c141d4c9c375e4da

General

Target

ec9dc86cbda5ad0a0b6c79654e361642_JaffaCakes118.exe
Size

1.2MB
MD5

ec9dc86cbda5ad0a0b6c79654e361642
SHA1

9363fc43bb1f3534df3afd40812c75028f390cf5
SHA256

df8bf20364ce7962c466084b46a93ad6762b2459191b39d0c141d4c9c375e4da
SHA512

3d2014114b654a5a23bfbdcd70b3c819272ea33f3581f6b4d7b1980406cce5e4613d08795efebc0815fbdb8a6bab751020ec8713fd750f95594e31af586986d6
SSDEEP

12288:WGiW1r7KOT49jaOcsFYJDc9F3nC0Py3gAh7IalhBXRp5DH//rLD5FgRX8A/f0YGs:pYOT4FcsFY3blhBXdPDDgyclh1m

Score

10^/10

nanocore 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

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

Processes:

ec9dc86cbda5ad0a0b6c79654e361642_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation	ec9dc86cbda5ad0a0b6c79654e361642_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ARP Service = "C:\\Program Files (x86)\\ARP Service\\arpsv.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

ec9dc86cbda5ad0a0b6c79654e361642_JaffaCakes118.exe

description pid process target process

PID 3724 set thread context of 3524 3724 ec9dc86cbda5ad0a0b6c79654e361642_JaffaCakes118.exe RegSvcs.exe

description	pid	process	target process
PID 3724 set thread context of 3524	3724	ec9dc86cbda5ad0a0b6c79654e361642_JaffaCakes118.exe	RegSvcs.exe

Drops file in Program Files directory 2 IoCs

Processes:

RegSvcs.exe

description	ioc	process
File created	C:\Program Files (x86)\ARP Service\arpsv.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\ARP Service\arpsv.exe	RegSvcs.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid process

1656 schtasks.exe
3368 schtasks.exe
736 schtasks.exe

pid	process
1656	schtasks.exe
3368	schtasks.exe
736	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

ec9dc86cbda5ad0a0b6c79654e361642_JaffaCakes118.exeRegSvcs.exe

pid	process
3724	ec9dc86cbda5ad0a0b6c79654e361642_JaffaCakes118.exe
3724	ec9dc86cbda5ad0a0b6c79654e361642_JaffaCakes118.exe
3724	ec9dc86cbda5ad0a0b6c79654e361642_JaffaCakes118.exe
3524	RegSvcs.exe
3524	RegSvcs.exe
3524	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

3524 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

ec9dc86cbda5ad0a0b6c79654e361642_JaffaCakes118.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 3724 ec9dc86cbda5ad0a0b6c79654e361642_JaffaCakes118.exe
Token: SeDebugPrivilege 3524 RegSvcs.exe

pid	process
3524	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	3724	ec9dc86cbda5ad0a0b6c79654e361642_JaffaCakes118.exe
Token: SeDebugPrivilege	3524	RegSvcs.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

ec9dc86cbda5ad0a0b6c79654e361642_JaffaCakes118.exeRegSvcs.exe

description	pid	process	target process
PID 3724 wrote to memory of 3368	3724	ec9dc86cbda5ad0a0b6c79654e361642_JaffaCakes118.exe	schtasks.exe
PID 3724 wrote to memory of 3368	3724	ec9dc86cbda5ad0a0b6c79654e361642_JaffaCakes118.exe	schtasks.exe
PID 3724 wrote to memory of 3368	3724	ec9dc86cbda5ad0a0b6c79654e361642_JaffaCakes118.exe	schtasks.exe
PID 3724 wrote to memory of 5104	3724	ec9dc86cbda5ad0a0b6c79654e361642_JaffaCakes118.exe	RegSvcs.exe
PID 3724 wrote to memory of 5104	3724	ec9dc86cbda5ad0a0b6c79654e361642_JaffaCakes118.exe	RegSvcs.exe
PID 3724 wrote to memory of 5104	3724	ec9dc86cbda5ad0a0b6c79654e361642_JaffaCakes118.exe	RegSvcs.exe
PID 3724 wrote to memory of 3524	3724	ec9dc86cbda5ad0a0b6c79654e361642_JaffaCakes118.exe	RegSvcs.exe
PID 3724 wrote to memory of 3524	3724	ec9dc86cbda5ad0a0b6c79654e361642_JaffaCakes118.exe	RegSvcs.exe
PID 3724 wrote to memory of 3524	3724	ec9dc86cbda5ad0a0b6c79654e361642_JaffaCakes118.exe	RegSvcs.exe
PID 3724 wrote to memory of 3524	3724	ec9dc86cbda5ad0a0b6c79654e361642_JaffaCakes118.exe	RegSvcs.exe
PID 3724 wrote to memory of 3524	3724	ec9dc86cbda5ad0a0b6c79654e361642_JaffaCakes118.exe	RegSvcs.exe
PID 3724 wrote to memory of 3524	3724	ec9dc86cbda5ad0a0b6c79654e361642_JaffaCakes118.exe	RegSvcs.exe
PID 3724 wrote to memory of 3524	3724	ec9dc86cbda5ad0a0b6c79654e361642_JaffaCakes118.exe	RegSvcs.exe
PID 3724 wrote to memory of 3524	3724	ec9dc86cbda5ad0a0b6c79654e361642_JaffaCakes118.exe	RegSvcs.exe
PID 3524 wrote to memory of 736	3524	RegSvcs.exe	schtasks.exe
PID 3524 wrote to memory of 736	3524	RegSvcs.exe	schtasks.exe
PID 3524 wrote to memory of 736	3524	RegSvcs.exe	schtasks.exe
PID 3524 wrote to memory of 1656	3524	RegSvcs.exe	schtasks.exe
PID 3524 wrote to memory of 1656	3524	RegSvcs.exe	schtasks.exe
PID 3524 wrote to memory of 1656	3524	RegSvcs.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\ec9dc86cbda5ad0a0b6c79654e361642_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ec9dc86cbda5ad0a0b6c79654e361642_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3724

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CNPJbUTxJtD" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF992.tmp"
2⤵
- Creates scheduled task(s)
PID:3368

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
2⤵
PID:5104

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
2⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3524

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "ARP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpFEC3.tmp"
3⤵
- Creates scheduled task(s)
PID:736

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "ARP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp357.tmp"
3⤵
- Creates scheduled task(s)
PID:1656

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp357.tmp
Filesize
1KB

MD5
e3d8a2c80dc1de6ebee175682e7e4dd3

SHA1
5bb398aed2393c4cf0346b562b838c95fd708309

SHA256
60775bc8ec1db88eff1bd8ee35f3a237e2b3b65d4c8835d582dc410523f33aa0

SHA512
f61d934c0bd3122f0842de57f5ab0853b31be672360c5cce09f3509920b3da0690240da89e5d31a9c8cb67383f635e03085b5b44416a042e4501aa35fb58c912

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF992.tmp
Filesize
1KB

MD5
1b97f0a0e028183ef53fd13c3fe69ecc

SHA1
7274dd33c18479eafbad0fcbe4230c971841f770

SHA256
cfd8edb495b5612285940025b77a8aacb55f076ce65fd15b51a3a47f846b12c5

SHA512
a40fccfeabebe3dea253a5322df5308d048c21317f871ee028e132a6b24c4b56d8628efa2c7e72c0cdeb53aeac017f1a5eec958245df066f6b6fa30fd181ae10

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpFEC3.tmp
Filesize
1KB

MD5
40b11ef601fb28f9b2e69d36857bf2ec

SHA1
b6454020ad2ceed193f4792b77001d0bd741b370

SHA256
c51e12d18cc664425f6711d8ae2507068884c7057092cfa11884100e1e9d49e1

SHA512
e3c5bcc714cbfca4b8058ddcddf231dcefa69c15881ce3f8123e59ed45cfb5da052b56e1945dcf8dc7f800d62f9a4eecb82bca69a66a1530787aeffeb15e2bd5

Download Submit
memory/3524-17-0x00000000750D0000-0x0000000075681000-memory.dmp

Filesize
5.7MB

Download
memory/3524-25-0x0000000001430000-0x0000000001440000-memory.dmp

Filesize
64KB

Download
memory/3524-28-0x0000000001430000-0x0000000001440000-memory.dmp

Filesize
64KB

Download
memory/3524-27-0x0000000001430000-0x0000000001440000-memory.dmp

Filesize
64KB

Download
memory/3524-26-0x00000000750D0000-0x0000000075681000-memory.dmp

Filesize
5.7MB

Download
memory/3524-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3524-15-0x00000000750D0000-0x0000000075681000-memory.dmp

Filesize
5.7MB

Download
memory/3524-16-0x0000000001430000-0x0000000001440000-memory.dmp

Filesize
64KB

Download
memory/3724-3-0x0000000001020000-0x0000000001030000-memory.dmp

Filesize
64KB

Download
memory/3724-0-0x00000000750D0000-0x0000000075681000-memory.dmp

Filesize
5.7MB

Download
memory/3724-2-0x0000000001020000-0x0000000001030000-memory.dmp

Filesize
64KB

Download
memory/3724-1-0x00000000750D0000-0x0000000075681000-memory.dmp

Filesize
5.7MB

Download
memory/3724-14-0x00000000750D0000-0x0000000075681000-memory.dmp

Filesize
5.7MB

Download
memory/3724-4-0x00000000750D0000-0x0000000075681000-memory.dmp

Filesize
5.7MB

Download
memory/3724-6-0x0000000001020000-0x0000000001030000-memory.dmp

Filesize
64KB

Download
memory/3724-5-0x0000000001020000-0x0000000001030000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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