nanocore | e5e09af0ec4266f07495e94410bc3675871100dd01f83ee0f0dbb5959b434325

General

Target

beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe
Size

1.4MB
MD5

beaab67e79b8d11ac837094df489defe
SHA1

db83c89f287f336a7c497a6eb3a4469f889a0979
SHA256

e5e09af0ec4266f07495e94410bc3675871100dd01f83ee0f0dbb5959b434325
SHA512

228e0cff607db47272e66431ba2846eb25e74f5ca45e61af08b1850abf2fe714db2b301f4c8706e3fbbdcae9cd4b2950ce0d914b7dc60452e7cb5071c4117d6f
SSDEEP

12288:cFPATqgCethDZ15Od9N7HmXQ1TDeKnYBs2B5dgiOmUGufn1p4b0dRT2fXfiLkFs9:IPwCiDatCQ1Nks2B8guf4bmRT2fXo

Score

10^/10

nanocore discovery evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

gcpacking.pw:58899

Mutex

562cbc4c-c238-4c9b-90e7-41ca4a634cfe

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-03-14T02:42:53.210882036Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
false
clear_zone_identifier
false
connect_delay
4000
connection_port
58899
default_group
Default
enable_debug_mode
true
gc_threshold
1.0485754e+07
keep_alive_timeout
30000
keyboard_logging
false
lan_timeout
2500
max_packet_size
1.048576e+07
mutex
562cbc4c-c238-4c9b-90e7-41ca4a634cfe
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
gcpacking.pw
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
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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	beaab67e79b8d11ac837094df489defe_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	beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4244 set thread context of 4764	4244	beaab67e79b8d11ac837094df489defe_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	beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	beaab67e79b8d11ac837094df489defe_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
2144	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4764	beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe
4764	beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe
4764	beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4764	beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4764	beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4244 wrote to memory of 2144	4244	beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe	98
PID 4244 wrote to memory of 2144	4244	beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe	98
PID 4244 wrote to memory of 2144	4244	beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe	98
PID 4244 wrote to memory of 4764	4244	beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe	100
PID 4244 wrote to memory of 4764	4244	beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe	100
PID 4244 wrote to memory of 4764	4244	beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe	100
PID 4244 wrote to memory of 4764	4244	beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe	100
PID 4244 wrote to memory of 4764	4244	beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe	100
PID 4244 wrote to memory of 4764	4244	beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe	100
PID 4244 wrote to memory of 4764	4244	beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe	100
PID 4244 wrote to memory of 4764	4244	beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe	100

C:\Users\Admin\AppData\Local\Temp\beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4244
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kdzXCyss" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3F37.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2144
- C:\Users\Admin\AppData\Local\Temp\beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\beaab67e79b8d11ac837094df489defe_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:4764

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\beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe.log

Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp3F37.tmp

Filesize
1KB

MD5
54f73a56e16e098df4d9b977dae67051

SHA1
1d60ce234a4361d079ba3b356b9505268059916f

SHA256
ed54abea123d6dc7a2d6acb0725e4d63052718f10f955ff342776cdc525b7792

SHA512
658731c301b5f46ec7820d3d7dcfae9ce9ddf9d83e5d6282f852d527dc9e54cc1d5257111deae2820f2166650b75733c184d1564b93155155221818f82409f17

Download Submit
memory/4244-12-0x0000000008070000-0x00000000080AA000-memory.dmp

Filesize
232KB

Download
memory/4244-4-0x0000000004B90000-0x0000000004C22000-memory.dmp

Filesize
584KB

Download
memory/4244-2-0x00000000049B0000-0x0000000004A4C000-memory.dmp

Filesize
624KB

Download
memory/4244-5-0x0000000004AD0000-0x0000000004ADA000-memory.dmp

Filesize
40KB

Download
memory/4244-6-0x0000000074780000-0x0000000074F30000-memory.dmp

Filesize
7.7MB

Download
memory/4244-7-0x0000000004E70000-0x0000000004EC6000-memory.dmp

Filesize
344KB

Download
memory/4244-8-0x0000000004B10000-0x0000000004B2E000-memory.dmp

Filesize
120KB

Download
memory/4244-9-0x000000007478E000-0x000000007478F000-memory.dmp

Filesize
4KB

Download
memory/4244-0-0x000000007478E000-0x000000007478F000-memory.dmp

Filesize
4KB

Download
memory/4244-11-0x0000000005A80000-0x0000000005B26000-memory.dmp

Filesize
664KB

Download
memory/4244-22-0x0000000074780000-0x0000000074F30000-memory.dmp

Filesize
7.7MB

Download
memory/4244-3-0x00000000050A0000-0x0000000005644000-memory.dmp

Filesize
5.6MB

Download
memory/4244-10-0x0000000074780000-0x0000000074F30000-memory.dmp

Filesize
7.7MB

Download
memory/4244-1-0x0000000000010000-0x0000000000188000-memory.dmp

Filesize
1.5MB

Download
memory/4764-21-0x0000000074780000-0x0000000074F30000-memory.dmp

Filesize
7.7MB

Download
memory/4764-29-0x0000000074780000-0x0000000074F30000-memory.dmp

Filesize
7.7MB

Download
memory/4764-23-0x0000000074780000-0x0000000074F30000-memory.dmp

Filesize
7.7MB

Download
memory/4764-25-0x00000000052D0000-0x00000000052DA000-memory.dmp

Filesize
40KB

Download
memory/4764-26-0x0000000005410000-0x000000000542E000-memory.dmp

Filesize
120KB

Download
memory/4764-27-0x0000000005450000-0x000000000545A000-memory.dmp

Filesize
40KB

Download
memory/4764-28-0x0000000074780000-0x0000000074F30000-memory.dmp

Filesize
7.7MB

Download
memory/4764-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads