nanocore | 2db7cd1f54eb77ad7f41ab2acaf6db56b08c4a257c293c1a59ff6ba1a880dc67

General

Target

fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe
Size

453KB
MD5

fc073d184823f14d6b8e2ac32687c388
SHA1

750aa1665cd1e92bff585ca0cf867c0c9d5e62b9
SHA256

2db7cd1f54eb77ad7f41ab2acaf6db56b08c4a257c293c1a59ff6ba1a880dc67
SHA512

f9512bb78dfcc98e27397d36c9ea0f810fc32858c43278be5ec03bcf2fac9f870fa46086d0d89f58025ae920f7f9fe39e982d5c285001416c1629cde4b03c1b5
SSDEEP

12288:qMvxMb7KkM8GzodwfPQfyLZ1XSKeqtpMPR2El:qMvxEm9zm+PWeNMPg

Score

10^/10

nanocore discovery evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

185.244.30.99:2346

dish123newpro.publicvm.com:2346

Mutex

e8beec1b-867e-4791-bc74-957fe35d1cc7

Attributes

activate_away_mode
true
backup_connection_host
dish123newpro.publicvm.com
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2018-11-11T22:49:50.303838236Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
2346
default_group
NAPORT2346
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
e8beec1b-867e-4791-bc74-957fe35d1cc7
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
185.244.30.99
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	RegAsm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2956 set thread context of 2096	2956	fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe	33

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\debug\WIA\lyhQbCjQnAUX.exe	fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.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

pid	Process
2708	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2956	fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe
2956	fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe
2096	RegAsm.exe
2096	RegAsm.exe
2096	RegAsm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2096	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2956	fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe
Token: SeDebugPrivilege	2096	RegAsm.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2956 wrote to memory of 2708	2956	fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe	31
PID 2956 wrote to memory of 2708	2956	fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe	31
PID 2956 wrote to memory of 2708	2956	fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe	31
PID 2956 wrote to memory of 2708	2956	fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe	31
PID 2956 wrote to memory of 2096	2956	fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe	33
PID 2956 wrote to memory of 2096	2956	fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe	33
PID 2956 wrote to memory of 2096	2956	fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe	33
PID 2956 wrote to memory of 2096	2956	fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe	33
PID 2956 wrote to memory of 2096	2956	fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe	33
PID 2956 wrote to memory of 2096	2956	fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe	33
PID 2956 wrote to memory of 2096	2956	fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe	33
PID 2956 wrote to memory of 2096	2956	fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe	33
PID 2956 wrote to memory of 2096	2956	fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe	33
PID 2956 wrote to memory of 2096	2956	fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe	33
PID 2956 wrote to memory of 2096	2956	fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe	33
PID 2956 wrote to memory of 2096	2956	fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2956
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lyhQbCjQnAUX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9147.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2708
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:2096

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp9147.tmp

Filesize
1KB

MD5
4be4aaf6a8278ef62490cf5974ca2350

SHA1
9b6dec99a6e5d946ae8af32bb9dc85d4088bd329

SHA256
b7c70a30ffa23a27d8d3559baac87049fbd53c1d19d791e1ed8d0a461fa388b4

SHA512
db6650c10f383a0778f007e5ffc38b39d345dbc02a66a8ef391997cdb0396321417efd8a263605064b2140b6c53034dcaa8c24366f9773d30ffa1b56d9c56405

Download Submit
memory/2096-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2096-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2096-25-0x0000000074930000-0x0000000074EDB000-memory.dmp

Filesize
5.7MB

Download
memory/2096-23-0x0000000074930000-0x0000000074EDB000-memory.dmp

Filesize
5.7MB

Download
memory/2096-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2096-8-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2096-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2096-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2096-9-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2096-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2956-1-0x0000000074930000-0x0000000074EDB000-memory.dmp

Filesize
5.7MB

Download
memory/2956-0-0x0000000074931000-0x0000000074932000-memory.dmp

Filesize
4KB

Download
memory/2956-2-0x0000000074930000-0x0000000074EDB000-memory.dmp

Filesize
5.7MB

Download
memory/2956-22-0x0000000074930000-0x0000000074EDB000-memory.dmp

Filesize
5.7MB

Download
memory/2956-4-0x0000000074930000-0x0000000074EDB000-memory.dmp

Filesize
5.7MB

Download
memory/2956-3-0x0000000074930000-0x0000000074EDB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads