nanocore | 52b5f2f95b1200b20a6f3adfcb93c6f87713155f83176dede353ee158c7c1b63

General

Target

bbe396d18479f6b901f85d9decf310b7_JaffaCakes118.exe
Size

558KB
MD5

bbe396d18479f6b901f85d9decf310b7
SHA1

0cacced8f7f1bfd1e92672c0e5e73251738a55fb
SHA256

52b5f2f95b1200b20a6f3adfcb93c6f87713155f83176dede353ee158c7c1b63
SHA512

a4f96a80617c5c80db56b0e7efef0226a7aa9efb51d97c7c43c5e4efe116dd58f53ba0c09672ba75d4098b56dd0b917ac0e623bd5881db3329cce3877281301c
SSDEEP

12288:uKZyXwAn+xj4Br5oM/AIxwIeCFpsoaf70zKWmY8GdSFXu99/Wr06P3+I:JZyh+xj4USdsoa9Wrkou0q+I

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

91.193.75.252:83

fire4fire123.ddns.net:83

Mutex

1b394b53-fbc6-40e7-bf9e-2192e862fc8a

Attributes

activate_away_mode
true
backup_connection_host
fire4fire123.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-11-16T23:23:53.875058336Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
83
default_group
AA HHH
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
1b394b53-fbc6-40e7-bf9e-2192e862fc8a
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
91.193.75.252
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

Loads dropped DLL 2 IoCs

pid	Process
3044	bbe396d18479f6b901f85d9decf310b7_JaffaCakes118.exe
3044	bbe396d18479f6b901f85d9decf310b7_JaffaCakes118.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\USER\S-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Windows\CurrentVersion\Run\888.exe = "C:\\Users\\Admin\\AppData\\Roaming\\AppData\\chromee.exe"	bbe396d18479f6b901f85d9decf310b7_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	bbe396d18479f6b901f85d9decf310b7_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3044 set thread context of 2756	3044	bbe396d18479f6b901f85d9decf310b7_JaffaCakes118.exe	30

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 2 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	bbe396d18479f6b901f85d9decf310b7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bbe396d18479f6b901f85d9decf310b7_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
3044	bbe396d18479f6b901f85d9decf310b7_JaffaCakes118.exe
3044	bbe396d18479f6b901f85d9decf310b7_JaffaCakes118.exe
3044	bbe396d18479f6b901f85d9decf310b7_JaffaCakes118.exe
3044	bbe396d18479f6b901f85d9decf310b7_JaffaCakes118.exe
2756	bbe396d18479f6b901f85d9decf310b7_JaffaCakes118.exe
2756	bbe396d18479f6b901f85d9decf310b7_JaffaCakes118.exe
2756	bbe396d18479f6b901f85d9decf310b7_JaffaCakes118.exe
2756	bbe396d18479f6b901f85d9decf310b7_JaffaCakes118.exe
2756	bbe396d18479f6b901f85d9decf310b7_JaffaCakes118.exe
2756	bbe396d18479f6b901f85d9decf310b7_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2756	bbe396d18479f6b901f85d9decf310b7_JaffaCakes118.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3044	bbe396d18479f6b901f85d9decf310b7_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2756	bbe396d18479f6b901f85d9decf310b7_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 2756	3044	bbe396d18479f6b901f85d9decf310b7_JaffaCakes118.exe	30
PID 3044 wrote to memory of 2756	3044	bbe396d18479f6b901f85d9decf310b7_JaffaCakes118.exe	30
PID 3044 wrote to memory of 2756	3044	bbe396d18479f6b901f85d9decf310b7_JaffaCakes118.exe	30
PID 3044 wrote to memory of 2756	3044	bbe396d18479f6b901f85d9decf310b7_JaffaCakes118.exe	30
PID 3044 wrote to memory of 2756	3044	bbe396d18479f6b901f85d9decf310b7_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\bbe396d18479f6b901f85d9decf310b7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bbe396d18479f6b901f85d9decf310b7_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Users\Admin\AppData\Local\Temp\bbe396d18479f6b901f85d9decf310b7_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\bbe396d18479f6b901f85d9decf310b7_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:2756

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

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\9sb3l3p.dll

Filesize
13KB

MD5
53ae5d9d08ed7cf26f3b049bcfbe5d5f

SHA1
9a40de949997c3d677f2fcc0006ef2038b811719

SHA256
bbb240e248b69897a89e7246bb32554029da1ebe922dc54cf70b34892466aab5

SHA512
7b13f11b1fe3d2e52ed8a5b60c926af1133d5e0be129d2887e9a79f4fe20219abd8a586b2e89a6fbb53968fff668bd302cd2139de74268b73f336f171170edc9

Download Submit
\Users\Admin\AppData\Local\Temp\nst2260.tmp\System.dll

Filesize
11KB

MD5
fccff8cb7a1067e23fd2e2b63971a8e1

SHA1
30e2a9e137c1223a78a0f7b0bf96a1c361976d91

SHA256
6fcea34c8666b06368379c6c402b5321202c11b00889401c743fb96c516c679e

SHA512
f4335e84e6f8d70e462a22f1c93d2998673a7616c868177cac3e8784a3be1d7d0bb96f2583fa0ed82f4f2b6b8f5d9b33521c279a42e055d80a94b4f3f1791e0c

Download Submit
memory/2756-18-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2756-14-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2756-16-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2756-19-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2756-20-0x00000000044A0000-0x0000000004502000-memory.dmp

Filesize
392KB

Download
memory/2756-22-0x0000000001DE0000-0x0000000001DEA000-memory.dmp

Filesize
40KB

Download
memory/2756-23-0x00000000054C0000-0x00000000054D2000-memory.dmp

Filesize
72KB

Download
memory/2756-24-0x00000000054D0000-0x00000000054EE000-memory.dmp

Filesize
120KB

Download
memory/2756-25-0x0000000005500000-0x000000000550A000-memory.dmp

Filesize
40KB

Download
memory/2756-26-0x0000000005660000-0x000000000568E000-memory.dmp

Filesize
184KB

Download
memory/2756-27-0x0000000005690000-0x00000000056A4000-memory.dmp

Filesize
80KB

Download
memory/3044-17-0x0000000074970000-0x0000000074978000-memory.dmp

Filesize
32KB

Download
memory/3044-12-0x0000000074970000-0x0000000074978000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads