nanocore | a24a419930ef537f7bca2a923d52ead23401a4748414bc9b51f59a1eaaeb24b0

General

Target

JaffaCakes118_9d886f18c2863aff4baeff1e3026cca9.exe
Size

411KB
MD5

9d886f18c2863aff4baeff1e3026cca9
SHA1

0f78e196ddcaeb77f7543c59f60b4d6c7bbf93d6
SHA256

a24a419930ef537f7bca2a923d52ead23401a4748414bc9b51f59a1eaaeb24b0
SHA512

baf7174d2d5a08e55d5001cf1c29e675ffc06bf6099c9eaeba6bca0ae933234138d0a9798680f5646af81020b13908a82b981cc132d1c77f53e16a07fbba5693
SSDEEP

12288:c0BxMON1dil9eAtmndgusG/o2Gz9kZY/Ohtxn:HMON1diyn1w2ZY/Ur

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

kamuchehddhgfgf.ddns.net:1187

37.0.10.22:1187

Mutex

9ff0e8a4-a323-4111-bc49-0daecb63120d

Attributes

activate_away_mode
true
backup_connection_host
37.0.10.22
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-07-17T00:05:39.048278936Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
1187
default_group
Default
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
9ff0e8a4-a323-4111-bc49-0daecb63120d
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
kamuchehddhgfgf.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
Nanocore family
nanocore

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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\PCI Subsystem = "C:\\Program Files (x86)\\PCI Subsystem\\pciss.exe"	JaffaCakes118_9d886f18c2863aff4baeff1e3026cca9.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	JaffaCakes118_9d886f18c2863aff4baeff1e3026cca9.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1176 set thread context of 4116	1176	JaffaCakes118_9d886f18c2863aff4baeff1e3026cca9.exe	91

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\PCI Subsystem\pciss.exe	JaffaCakes118_9d886f18c2863aff4baeff1e3026cca9.exe
File opened for modification	C:\Program Files (x86)\PCI Subsystem\pciss.exe	JaffaCakes118_9d886f18c2863aff4baeff1e3026cca9.exe

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	JaffaCakes118_9d886f18c2863aff4baeff1e3026cca9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_9d886f18c2863aff4baeff1e3026cca9.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4116	JaffaCakes118_9d886f18c2863aff4baeff1e3026cca9.exe
4116	JaffaCakes118_9d886f18c2863aff4baeff1e3026cca9.exe
4116	JaffaCakes118_9d886f18c2863aff4baeff1e3026cca9.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4116	JaffaCakes118_9d886f18c2863aff4baeff1e3026cca9.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4116	JaffaCakes118_9d886f18c2863aff4baeff1e3026cca9.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1176 wrote to memory of 4116	1176	JaffaCakes118_9d886f18c2863aff4baeff1e3026cca9.exe	91
PID 1176 wrote to memory of 4116	1176	JaffaCakes118_9d886f18c2863aff4baeff1e3026cca9.exe	91
PID 1176 wrote to memory of 4116	1176	JaffaCakes118_9d886f18c2863aff4baeff1e3026cca9.exe	91
PID 1176 wrote to memory of 4116	1176	JaffaCakes118_9d886f18c2863aff4baeff1e3026cca9.exe	91
PID 1176 wrote to memory of 4116	1176	JaffaCakes118_9d886f18c2863aff4baeff1e3026cca9.exe	91
PID 1176 wrote to memory of 4116	1176	JaffaCakes118_9d886f18c2863aff4baeff1e3026cca9.exe	91
PID 1176 wrote to memory of 4116	1176	JaffaCakes118_9d886f18c2863aff4baeff1e3026cca9.exe	91
PID 1176 wrote to memory of 4116	1176	JaffaCakes118_9d886f18c2863aff4baeff1e3026cca9.exe	91

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9d886f18c2863aff4baeff1e3026cca9.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9d886f18c2863aff4baeff1e3026cca9.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1176
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9d886f18c2863aff4baeff1e3026cca9.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9d886f18c2863aff4baeff1e3026cca9.exe"
  2⤵
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:4116

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

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\JaffaCakes118_9d886f18c2863aff4baeff1e3026cca9.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1176-10-0x0000000005B60000-0x0000000005BBC000-memory.dmp

Filesize
368KB

Download
memory/1176-15-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/1176-3-0x0000000004AF0000-0x0000000004B82000-memory.dmp

Filesize
584KB

Download
memory/1176-4-0x0000000004BC0000-0x0000000004BCA000-memory.dmp

Filesize
40KB

Download
memory/1176-5-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/1176-6-0x0000000004E10000-0x0000000004E1E000-memory.dmp

Filesize
56KB

Download
memory/1176-7-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

Filesize
4KB

Download
memory/1176-9-0x0000000005910000-0x00000000059AC000-memory.dmp

Filesize
624KB

Download
memory/1176-0-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

Filesize
4KB

Download
memory/1176-2-0x0000000004FC0000-0x0000000005564000-memory.dmp

Filesize
5.6MB

Download
memory/1176-8-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/1176-1-0x00000000000E0000-0x000000000014E000-memory.dmp

Filesize
440KB

Download
memory/4116-14-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/4116-21-0x0000000005CA0000-0x0000000005CAA000-memory.dmp

Filesize
40KB

Download
memory/4116-16-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/4116-19-0x0000000005830000-0x000000000583A000-memory.dmp

Filesize
40KB

Download
memory/4116-20-0x0000000005A10000-0x0000000005A2E000-memory.dmp

Filesize
120KB

Download
memory/4116-23-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/4116-22-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/4116-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads