nanocore | e2baf0f5b01a92323fa0f46207e5b9ae09ec8945ef722b912d3559d43c6e907c

General

Target

7a40d67c8a78ef63bda595ab16f5ac0f_JaffaCakes118.exe
Size

1.5MB
MD5

7a40d67c8a78ef63bda595ab16f5ac0f
SHA1

3a4636fdee0797e1dfa0c5075cb0466c9ea00f84
SHA256

e2baf0f5b01a92323fa0f46207e5b9ae09ec8945ef722b912d3559d43c6e907c
SHA512

c448e227eb2244a62e7457823ad471da15a42ceb49e47f9cf148dceaafea95f7d2edca544dc900c4bf53411c94e4a59d393e861767a2fe569a04de707c2fe6bb
SSDEEP

12288:KsJG6kBgpx60IbcNk+uVD7TgUdnfQu5X7Q6H+Uy1Susr8MmH3j2:M6k2n64EPVY1ZZS5R0

Score

10^/10

nanocore discovery evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

fablousy.kozow.com:4050

127.0.0.1:4050

Mutex

58d1d627-4bc2-40ea-9ed5-7063fbcc1866

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-05-17T05:23:14.334950536Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
4050
default_group
ike
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
58d1d627-4bc2-40ea-9ed5-7063fbcc1866
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
fablousy.kozow.com
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

Processes:

7a40d67c8a78ef63bda595ab16f5ac0f_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	7a40d67c8a78ef63bda595ab16f5ac0f_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

7a40d67c8a78ef63bda595ab16f5ac0f_JaffaCakes118.exe

description	pid	Process	procid_target
PID 3012 set thread context of 780	3012	7a40d67c8a78ef63bda595ab16f5ac0f_JaffaCakes118.exe	33

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 3 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

Processes:

7a40d67c8a78ef63bda595ab16f5ac0f_JaffaCakes118.exeschtasks.exe7a40d67c8a78ef63bda595ab16f5ac0f_JaffaCakes118.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7a40d67c8a78ef63bda595ab16f5ac0f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7a40d67c8a78ef63bda595ab16f5ac0f_JaffaCakes118.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

Processes:

schtasks.exe

pid	Process
2884	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

7a40d67c8a78ef63bda595ab16f5ac0f_JaffaCakes118.exe

pid	Process
780	7a40d67c8a78ef63bda595ab16f5ac0f_JaffaCakes118.exe
780	7a40d67c8a78ef63bda595ab16f5ac0f_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

7a40d67c8a78ef63bda595ab16f5ac0f_JaffaCakes118.exe

pid	Process
780	7a40d67c8a78ef63bda595ab16f5ac0f_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

7a40d67c8a78ef63bda595ab16f5ac0f_JaffaCakes118.exe

description	pid	Process
Token: SeDebugPrivilege	780	7a40d67c8a78ef63bda595ab16f5ac0f_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

7a40d67c8a78ef63bda595ab16f5ac0f_JaffaCakes118.exe

description	pid	Process	procid_target
PID 3012 wrote to memory of 2884	3012	7a40d67c8a78ef63bda595ab16f5ac0f_JaffaCakes118.exe	31
PID 3012 wrote to memory of 2884	3012	7a40d67c8a78ef63bda595ab16f5ac0f_JaffaCakes118.exe	31
PID 3012 wrote to memory of 2884	3012	7a40d67c8a78ef63bda595ab16f5ac0f_JaffaCakes118.exe	31
PID 3012 wrote to memory of 2884	3012	7a40d67c8a78ef63bda595ab16f5ac0f_JaffaCakes118.exe	31
PID 3012 wrote to memory of 780	3012	7a40d67c8a78ef63bda595ab16f5ac0f_JaffaCakes118.exe	33
PID 3012 wrote to memory of 780	3012	7a40d67c8a78ef63bda595ab16f5ac0f_JaffaCakes118.exe	33
PID 3012 wrote to memory of 780	3012	7a40d67c8a78ef63bda595ab16f5ac0f_JaffaCakes118.exe	33
PID 3012 wrote to memory of 780	3012	7a40d67c8a78ef63bda595ab16f5ac0f_JaffaCakes118.exe	33
PID 3012 wrote to memory of 780	3012	7a40d67c8a78ef63bda595ab16f5ac0f_JaffaCakes118.exe	33
PID 3012 wrote to memory of 780	3012	7a40d67c8a78ef63bda595ab16f5ac0f_JaffaCakes118.exe	33
PID 3012 wrote to memory of 780	3012	7a40d67c8a78ef63bda595ab16f5ac0f_JaffaCakes118.exe	33
PID 3012 wrote to memory of 780	3012	7a40d67c8a78ef63bda595ab16f5ac0f_JaffaCakes118.exe	33
PID 3012 wrote to memory of 780	3012	7a40d67c8a78ef63bda595ab16f5ac0f_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\7a40d67c8a78ef63bda595ab16f5ac0f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7a40d67c8a78ef63bda595ab16f5ac0f_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uTptUfOsJI" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDB71.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2884
- C:\Users\Admin\AppData\Local\Temp\7a40d67c8a78ef63bda595ab16f5ac0f_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\7a40d67c8a78ef63bda595ab16f5ac0f_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:780

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpDB71.tmp

Filesize
1KB

MD5
5f6d9f5e2558a86a8b9f8c66a55fafd2

SHA1
abe56907f3d03e1d39b4a4d9864328a18a2f7a12

SHA256
4469ab8d374946429ec0217cf8791918f93787689686b96b7c489ed276d1a98b

SHA512
c9e61f5071aad3fa667d397366ee53d7fee1d0d5ec2e0a8531cbf01bb785d22ef8bb611d64be0269319cfe854ee053b677d101ef753b3d483add4548d2da641a

Download Submit
memory/780-24-0x0000000074120000-0x000000007480E000-memory.dmp

Filesize
6.9MB

Download
memory/780-26-0x0000000074120000-0x000000007480E000-memory.dmp

Filesize
6.9MB

Download
memory/780-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/780-31-0x0000000074120000-0x000000007480E000-memory.dmp

Filesize
6.9MB

Download
memory/780-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/780-29-0x00000000007C0000-0x00000000007DE000-memory.dmp

Filesize
120KB

Download
memory/780-28-0x0000000000720000-0x000000000072A000-memory.dmp

Filesize
40KB

Download
memory/780-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/780-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/780-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/780-32-0x0000000074120000-0x000000007480E000-memory.dmp

Filesize
6.9MB

Download
memory/780-30-0x0000000000730000-0x000000000073A000-memory.dmp

Filesize
40KB

Download
memory/780-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/780-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/780-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3012-7-0x00000000007D0000-0x000000000080A000-memory.dmp

Filesize
232KB

Download
memory/3012-25-0x0000000074120000-0x000000007480E000-memory.dmp

Filesize
6.9MB

Download
memory/3012-0-0x000000007412E000-0x000000007412F000-memory.dmp

Filesize
4KB

Download
memory/3012-1-0x0000000000200000-0x0000000000390000-memory.dmp

Filesize
1.6MB

Download
memory/3012-2-0x0000000074120000-0x000000007480E000-memory.dmp

Filesize
6.9MB

Download
memory/3012-6-0x0000000005380000-0x000000000542A000-memory.dmp

Filesize
680KB

Download
memory/3012-5-0x0000000074120000-0x000000007480E000-memory.dmp

Filesize
6.9MB

Download
memory/3012-4-0x000000007412E000-0x000000007412F000-memory.dmp

Filesize
4KB

Download
memory/3012-3-0x0000000000700000-0x000000000071E000-memory.dmp

Filesize
120KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads