nanocore | e1fb99632bcd95f1eae332e7eac7ae029202a811fbfa61c3ae1aee26bc8380cf

General

Target

fde8282375e05abfe74836501420cedc_JaffaCakes118.exe
Size

596KB
MD5

fde8282375e05abfe74836501420cedc
SHA1

55040e65849b1db2f0896d8f9c217df403bd1414
SHA256

e1fb99632bcd95f1eae332e7eac7ae029202a811fbfa61c3ae1aee26bc8380cf
SHA512

668aac816a90b44cb414342757f55dac40a68ea43cad1f041500da9760cfb092380cb3bc1a305200d0ce3188a745b5ab1fd279fcc30fa78e3b0b6e0ce2d3e985
SSDEEP

12288:J09zLV1jkNgGkXnI6md1AxL7uhENNoeZbc:MLnygGIIt1CM8NoeZw

Score

10^/10

nanocore discovery evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

95.141.43.200:1980

127.0.0.1:1980

Mutex

1998f293-b23b-4226-862e-f71163d89e98

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2018-08-17T11:30:51.231187236Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
1980
default_group
November 5
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
1998f293-b23b-4226-862e-f71163d89e98
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
95.141.43.200
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

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	fde8282375e05abfe74836501420cedc_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2112 set thread context of 2880	2112	fde8282375e05abfe74836501420cedc_JaffaCakes118.exe	31

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	fde8282375e05abfe74836501420cedc_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fde8282375e05abfe74836501420cedc_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2880	fde8282375e05abfe74836501420cedc_JaffaCakes118.exe
2880	fde8282375e05abfe74836501420cedc_JaffaCakes118.exe
2880	fde8282375e05abfe74836501420cedc_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2880	fde8282375e05abfe74836501420cedc_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2112	fde8282375e05abfe74836501420cedc_JaffaCakes118.exe
Token: SeDebugPrivilege	2880	fde8282375e05abfe74836501420cedc_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 2880	2112	fde8282375e05abfe74836501420cedc_JaffaCakes118.exe	31
PID 2112 wrote to memory of 2880	2112	fde8282375e05abfe74836501420cedc_JaffaCakes118.exe	31
PID 2112 wrote to memory of 2880	2112	fde8282375e05abfe74836501420cedc_JaffaCakes118.exe	31
PID 2112 wrote to memory of 2880	2112	fde8282375e05abfe74836501420cedc_JaffaCakes118.exe	31
PID 2112 wrote to memory of 2880	2112	fde8282375e05abfe74836501420cedc_JaffaCakes118.exe	31
PID 2112 wrote to memory of 2880	2112	fde8282375e05abfe74836501420cedc_JaffaCakes118.exe	31
PID 2112 wrote to memory of 2880	2112	fde8282375e05abfe74836501420cedc_JaffaCakes118.exe	31
PID 2112 wrote to memory of 2880	2112	fde8282375e05abfe74836501420cedc_JaffaCakes118.exe	31
PID 2112 wrote to memory of 2880	2112	fde8282375e05abfe74836501420cedc_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\fde8282375e05abfe74836501420cedc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fde8282375e05abfe74836501420cedc_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Users\Admin\AppData\Local\Temp\fde8282375e05abfe74836501420cedc_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\fde8282375e05abfe74836501420cedc_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:2880

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/2112-14-0x0000000074580000-0x0000000074C6E000-memory.dmp

Filesize
6.9MB

Download
memory/2112-2-0x00000000004D0000-0x00000000004EE000-memory.dmp

Filesize
120KB

Download
memory/2112-0-0x000000007458E000-0x000000007458F000-memory.dmp

Filesize
4KB

Download
memory/2112-3-0x0000000074580000-0x0000000074C6E000-memory.dmp

Filesize
6.9MB

Download
memory/2112-4-0x000000007458E000-0x000000007458F000-memory.dmp

Filesize
4KB

Download
memory/2112-5-0x0000000074580000-0x0000000074C6E000-memory.dmp

Filesize
6.9MB

Download
memory/2112-6-0x0000000074580000-0x0000000074C6E000-memory.dmp

Filesize
6.9MB

Download
memory/2112-1-0x00000000000A0000-0x0000000000138000-memory.dmp

Filesize
608KB

Download
memory/2880-20-0x0000000074580000-0x0000000074C6E000-memory.dmp

Filesize
6.9MB

Download
memory/2880-7-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2880-12-0x0000000074580000-0x0000000074C6E000-memory.dmp

Filesize
6.9MB

Download
memory/2880-13-0x0000000074580000-0x0000000074C6E000-memory.dmp

Filesize
6.9MB

Download
memory/2880-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2880-16-0x0000000001ED0000-0x0000000001EDA000-memory.dmp

Filesize
40KB

Download
memory/2880-17-0x0000000001EE0000-0x0000000001EFE000-memory.dmp

Filesize
120KB

Download
memory/2880-18-0x0000000001F00000-0x0000000001F0A000-memory.dmp

Filesize
40KB

Download
memory/2880-19-0x0000000074580000-0x0000000074C6E000-memory.dmp

Filesize
6.9MB

Download
memory/2880-9-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

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