nanocore | 833329e27f6b61435fd495bc802a5a7b799b938214e6642dbc34d8c97d86e2b6

General

Target

33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe
Size

577KB
MD5

33dad009c342fd7c36dcd487924831af
SHA1

b63ee13bef92e529234265103634839a2268a011
SHA256

833329e27f6b61435fd495bc802a5a7b799b938214e6642dbc34d8c97d86e2b6
SHA512

f5bfa2043f2c41780f45334d624d422a877b1abdfa68d050ac46ad40faba36c955cfa0b05124a3efd32f9768a389cdce352f1565021540e7e97fa562530bc7ae
SSDEEP

12288:dKz6hGRiTGN4WNTBk6aVGplnfT3mp8Ea:FGN4WNOj6nz68

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

45.137.22.36:4837

vps.rootlayer.net:4837

Mutex

a34ff911-f69f-4250-a136-9f7dda1ff095

Attributes

activate_away_mode
true
backup_connection_host
vps.rootlayer.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-11-26T04:44:00.669256236Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
4837
default_group
root1
enable_debug_mode
true
gc_threshold
1.048576e+07
keep_alive_timeout
30000
keyboard_logging
true
lan_timeout
2500
max_packet_size
1.048576e+07
mutex
a34ff911-f69f-4250-a136-9f7dda1ff095
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
45.137.22.36
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	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2328 set thread context of 2308	2328	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe	34

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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

pid	Process
2652	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2328	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe
2328	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe
2308	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe
2308	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2308	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2328	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe
Token: SeDebugPrivilege	2308	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 2652	2328	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe	31
PID 2328 wrote to memory of 2652	2328	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe	31
PID 2328 wrote to memory of 2652	2328	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe	31
PID 2328 wrote to memory of 2652	2328	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe	31
PID 2328 wrote to memory of 2320	2328	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe	33
PID 2328 wrote to memory of 2320	2328	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe	33
PID 2328 wrote to memory of 2320	2328	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe	33
PID 2328 wrote to memory of 2320	2328	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe	33
PID 2328 wrote to memory of 2308	2328	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe	34
PID 2328 wrote to memory of 2308	2328	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe	34
PID 2328 wrote to memory of 2308	2328	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe	34
PID 2328 wrote to memory of 2308	2328	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe	34
PID 2328 wrote to memory of 2308	2328	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe	34
PID 2328 wrote to memory of 2308	2328	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe	34
PID 2328 wrote to memory of 2308	2328	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe	34
PID 2328 wrote to memory of 2308	2328	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe	34
PID 2328 wrote to memory of 2308	2328	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe	34

C:\Users\Admin\AppData\Local\Temp\33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2328
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FCBlysHABADpq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp94D0.tmp"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2652
- C:\Users\Admin\AppData\Local\Temp\33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe"
  2⤵
  PID:2320
- C:\Users\Admin\AppData\Local\Temp\33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe"
  2⤵
  - Checks whether UAC is enabled
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:2308

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp94D0.tmp

Filesize
1KB

MD5
741e80b76dab7b2537d8fa2de58b1efd

SHA1
c04b4c64f611fc611fca4ab0092b4c6db90ba823

SHA256
497962baaf3fed453ca1358e5224a1346538e1687ea7689dfbad18ba83df1bac

SHA512
77bd52c2dda058e4fec7e77b9dcda930b29cb76a84bc28c4b437f48238561f5988ea55eadd34f5af3f3675ddbd4aef95086bf191f0e94aa8875afa7f19b04a3f

Download Submit
memory/2308-25-0x0000000074820000-0x0000000074F0E000-memory.dmp

Filesize
6.9MB

Download
memory/2308-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2308-31-0x0000000074820000-0x0000000074F0E000-memory.dmp

Filesize
6.9MB

Download
memory/2308-30-0x0000000074820000-0x0000000074F0E000-memory.dmp

Filesize
6.9MB

Download
memory/2308-29-0x0000000000450000-0x000000000045A000-memory.dmp

Filesize
40KB

Download
memory/2308-28-0x00000000004A0000-0x00000000004BE000-memory.dmp

Filesize
120KB

Download
memory/2308-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2308-24-0x0000000074820000-0x0000000074F0E000-memory.dmp

Filesize
6.9MB

Download
memory/2308-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2308-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2308-27-0x0000000000440000-0x000000000044A000-memory.dmp

Filesize
40KB

Download
memory/2308-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2308-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2308-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2308-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2328-1-0x0000000000900000-0x0000000000996000-memory.dmp

Filesize
600KB

Download
memory/2328-23-0x0000000074820000-0x0000000074F0E000-memory.dmp

Filesize
6.9MB

Download
memory/2328-0-0x000000007482E000-0x000000007482F000-memory.dmp

Filesize
4KB

Download
memory/2328-2-0x0000000074820000-0x0000000074F0E000-memory.dmp

Filesize
6.9MB

Download
memory/2328-6-0x00000000050F0000-0x0000000005152000-memory.dmp

Filesize
392KB

Download
memory/2328-5-0x0000000074820000-0x0000000074F0E000-memory.dmp

Filesize
6.9MB

Download
memory/2328-4-0x000000007482E000-0x000000007482F000-memory.dmp

Filesize
4KB

Download
memory/2328-3-0x0000000000480000-0x000000000048A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads