nanocore | 6c4b9bfe1ad73478b36da4539bc171aa8afc9e7d824ed325aaf044d3eab46f4a

General

Target

ed649d608a65a8a395ecda5d6a3ff8f3_JaffaCakes118.exe
Size

828KB
MD5

ed649d608a65a8a395ecda5d6a3ff8f3
SHA1

11ac45137b46861dbf6aa9ed69dbdc425cad6c30
SHA256

6c4b9bfe1ad73478b36da4539bc171aa8afc9e7d824ed325aaf044d3eab46f4a
SHA512

539a107ebb1908704313778428c14475fe105abb8532272103acc3ba46bedc83b8deebe0e044df0c54f752ed1d6b8b8aa1971c9fe3b840415aed4dd2821c3b8d
SSDEEP

12288:SfzXHyCRrWxffcQkgxEOGep4jVGBXMS9POpU:kXHy8SRc1eEo4huMuPD

Score

10^/10

nanocore discovery evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

154.16.201.173:7008

Mutex

eead4df8-9529-4530-bf2d-b8525f06bec0

Attributes

activate_away_mode
true
backup_connection_host
154.16.201.173
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2018-09-03T19:41:45.744588836Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
7008
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
eead4df8-9529-4530-bf2d-b8525f06bec0
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
154.16.201.173
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 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	ed649d608a65a8a395ecda5d6a3ff8f3_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4376 set thread context of 2112	4376	ed649d608a65a8a395ecda5d6a3ff8f3_JaffaCakes118.exe	91

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	ed649d608a65a8a395ecda5d6a3ff8f3_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ed649d608a65a8a395ecda5d6a3ff8f3_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2112	ed649d608a65a8a395ecda5d6a3ff8f3_JaffaCakes118.exe
2112	ed649d608a65a8a395ecda5d6a3ff8f3_JaffaCakes118.exe
2112	ed649d608a65a8a395ecda5d6a3ff8f3_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2112	ed649d608a65a8a395ecda5d6a3ff8f3_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4376	ed649d608a65a8a395ecda5d6a3ff8f3_JaffaCakes118.exe
Token: SeDebugPrivilege	2112	ed649d608a65a8a395ecda5d6a3ff8f3_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4376 wrote to memory of 2112	4376	ed649d608a65a8a395ecda5d6a3ff8f3_JaffaCakes118.exe	91
PID 4376 wrote to memory of 2112	4376	ed649d608a65a8a395ecda5d6a3ff8f3_JaffaCakes118.exe	91
PID 4376 wrote to memory of 2112	4376	ed649d608a65a8a395ecda5d6a3ff8f3_JaffaCakes118.exe	91
PID 4376 wrote to memory of 2112	4376	ed649d608a65a8a395ecda5d6a3ff8f3_JaffaCakes118.exe	91
PID 4376 wrote to memory of 2112	4376	ed649d608a65a8a395ecda5d6a3ff8f3_JaffaCakes118.exe	91
PID 4376 wrote to memory of 2112	4376	ed649d608a65a8a395ecda5d6a3ff8f3_JaffaCakes118.exe	91
PID 4376 wrote to memory of 2112	4376	ed649d608a65a8a395ecda5d6a3ff8f3_JaffaCakes118.exe	91
PID 4376 wrote to memory of 2112	4376	ed649d608a65a8a395ecda5d6a3ff8f3_JaffaCakes118.exe	91

C:\Users\Admin\AppData\Local\Temp\ed649d608a65a8a395ecda5d6a3ff8f3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ed649d608a65a8a395ecda5d6a3ff8f3_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4376
- C:\Users\Admin\AppData\Local\Temp\ed649d608a65a8a395ecda5d6a3ff8f3_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\ed649d608a65a8a395ecda5d6a3ff8f3_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:2112

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

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Downloads

memory/2112-13-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/2112-21-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/2112-20-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/2112-19-0x0000000005B00000-0x0000000005B0A000-memory.dmp

Filesize
40KB

Download
memory/2112-18-0x00000000059D0000-0x00000000059EE000-memory.dmp

Filesize
120KB

Download
memory/2112-17-0x0000000005110000-0x000000000511A000-memory.dmp

Filesize
40KB

Download
memory/2112-15-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/2112-12-0x0000000000750000-0x0000000000788000-memory.dmp

Filesize
224KB

Download
memory/4376-8-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/4376-9-0x00000000074D0000-0x000000000756C000-memory.dmp

Filesize
624KB

Download
memory/4376-0-0x0000000074B0E000-0x0000000074B0F000-memory.dmp

Filesize
4KB

Download
memory/4376-7-0x0000000074B0E000-0x0000000074B0F000-memory.dmp

Filesize
4KB

Download
memory/4376-14-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/4376-6-0x00000000054F0000-0x00000000054FA000-memory.dmp

Filesize
40KB

Download
memory/4376-5-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/4376-4-0x0000000005390000-0x00000000053B0000-memory.dmp

Filesize
128KB

Download
memory/4376-3-0x0000000005430000-0x00000000054C2000-memory.dmp

Filesize
584KB

Download
memory/4376-2-0x00000000059E0000-0x0000000005F84000-memory.dmp

Filesize
5.6MB

Download
memory/4376-1-0x0000000000920000-0x00000000009F6000-memory.dmp

Filesize
856KB

Download

Analysis

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