nanocore | 3859d0879f943c5867afb03b3c2400bc1ad81d5083a2f9491afdbb4ac5782db8

General

Target

eba7efbfd3a91dd4afeb703ba7eb2e5b_JaffaCakes118.exe
Size

580KB
MD5

eba7efbfd3a91dd4afeb703ba7eb2e5b
SHA1

8ab8e32096c8224cdab456f1a77de1111e25d593
SHA256

3859d0879f943c5867afb03b3c2400bc1ad81d5083a2f9491afdbb4ac5782db8
SHA512

be5f615e70326495cf450e35979947c6599d5b082b49ff463e5cc54ae48e474b8328c948644a96893f427cffd920dc8832679b0c157fa2193ce7d7ce9b4faed9
SSDEEP

12288:SOZnpSUqzcqWmbc65uXI6md1AxL6eAxmTu:8z5b9uYt1CtEj

Score

10^/10

nanocore discovery evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

194.5.98.32:1990

127.0.0.1:1990

Mutex

0252b6c2-b974-4f8a-bacc-db6b0b4441c9

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2018-09-10T04:25:53.807624236Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
1990
default_group
November
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
0252b6c2-b974-4f8a-bacc-db6b0b4441c9
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
194.5.98.32
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	eba7efbfd3a91dd4afeb703ba7eb2e5b_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2980 set thread context of 2764	2980	eba7efbfd3a91dd4afeb703ba7eb2e5b_JaffaCakes118.exe	30

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	eba7efbfd3a91dd4afeb703ba7eb2e5b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eba7efbfd3a91dd4afeb703ba7eb2e5b_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2764	eba7efbfd3a91dd4afeb703ba7eb2e5b_JaffaCakes118.exe
2764	eba7efbfd3a91dd4afeb703ba7eb2e5b_JaffaCakes118.exe
2764	eba7efbfd3a91dd4afeb703ba7eb2e5b_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2764	eba7efbfd3a91dd4afeb703ba7eb2e5b_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2980	eba7efbfd3a91dd4afeb703ba7eb2e5b_JaffaCakes118.exe
Token: SeDebugPrivilege	2764	eba7efbfd3a91dd4afeb703ba7eb2e5b_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2980 wrote to memory of 2764	2980	eba7efbfd3a91dd4afeb703ba7eb2e5b_JaffaCakes118.exe	30
PID 2980 wrote to memory of 2764	2980	eba7efbfd3a91dd4afeb703ba7eb2e5b_JaffaCakes118.exe	30
PID 2980 wrote to memory of 2764	2980	eba7efbfd3a91dd4afeb703ba7eb2e5b_JaffaCakes118.exe	30
PID 2980 wrote to memory of 2764	2980	eba7efbfd3a91dd4afeb703ba7eb2e5b_JaffaCakes118.exe	30
PID 2980 wrote to memory of 2764	2980	eba7efbfd3a91dd4afeb703ba7eb2e5b_JaffaCakes118.exe	30
PID 2980 wrote to memory of 2764	2980	eba7efbfd3a91dd4afeb703ba7eb2e5b_JaffaCakes118.exe	30
PID 2980 wrote to memory of 2764	2980	eba7efbfd3a91dd4afeb703ba7eb2e5b_JaffaCakes118.exe	30
PID 2980 wrote to memory of 2764	2980	eba7efbfd3a91dd4afeb703ba7eb2e5b_JaffaCakes118.exe	30
PID 2980 wrote to memory of 2764	2980	eba7efbfd3a91dd4afeb703ba7eb2e5b_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\eba7efbfd3a91dd4afeb703ba7eb2e5b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eba7efbfd3a91dd4afeb703ba7eb2e5b_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2980
- C:\Users\Admin\AppData\Local\Temp\eba7efbfd3a91dd4afeb703ba7eb2e5b_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\eba7efbfd3a91dd4afeb703ba7eb2e5b_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:2764

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/2764-15-0x00000000003C0000-0x00000000003CA000-memory.dmp

Filesize
40KB

Download
memory/2764-16-0x00000000003D0000-0x00000000003EE000-memory.dmp

Filesize
120KB

Download
memory/2764-9-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2764-13-0x0000000073F10000-0x00000000745FE000-memory.dmp

Filesize
6.9MB

Download
memory/2764-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2764-19-0x0000000073F10000-0x00000000745FE000-memory.dmp

Filesize
6.9MB

Download
memory/2764-18-0x0000000073F10000-0x00000000745FE000-memory.dmp

Filesize
6.9MB

Download
memory/2764-7-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2764-20-0x0000000073F10000-0x00000000745FE000-memory.dmp

Filesize
6.9MB

Download
memory/2764-17-0x00000000003F0000-0x00000000003FA000-memory.dmp

Filesize
40KB

Download
memory/2980-5-0x0000000073F10000-0x00000000745FE000-memory.dmp

Filesize
6.9MB

Download
memory/2980-12-0x0000000073F10000-0x00000000745FE000-memory.dmp

Filesize
6.9MB

Download
memory/2980-0-0x0000000073F1E000-0x0000000073F1F000-memory.dmp

Filesize
4KB

Download
memory/2980-3-0x0000000073F10000-0x00000000745FE000-memory.dmp

Filesize
6.9MB

Download
memory/2980-2-0x0000000000240000-0x000000000025E000-memory.dmp

Filesize
120KB

Download
memory/2980-6-0x0000000073F10000-0x00000000745FE000-memory.dmp

Filesize
6.9MB

Download
memory/2980-1-0x00000000002E0000-0x0000000000374000-memory.dmp

Filesize
592KB

Download
memory/2980-4-0x0000000073F1E000-0x0000000073F1F000-memory.dmp

Filesize
4KB

Download

Analysis

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