nanocore | dce5b89dc71688b35db0ca2f7ec3ec0f546faf483cbb3281b71224b7af5827a3

General

Target

c35ba3fae930a61e313bcd191e31cea8_JaffaCakes118.exe
Size

2.1MB
MD5

c35ba3fae930a61e313bcd191e31cea8
SHA1

8be51e3af17f9b8054d6bf5836f364b2bcf02692
SHA256

dce5b89dc71688b35db0ca2f7ec3ec0f546faf483cbb3281b71224b7af5827a3
SHA512

b399f96415d5f8cd8c151f1ffb3362601e9d594bb67f9983e8d024d218b13732db39c775c344d7ade83e4efa6b3002446dd1d361c58e467b24e74cb4b9b35cbf
SSDEEP

6144:IxAJIb/lMqQD9t0Sp0LENB9mS0cLd1hzTvrRPR/AMIXRc:Inl9QD9F0LET93DLhz3fA5C

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

blazemark.hopto.org:7979

212.7.208.102:7979

Mutex

2585b45d-8764-4f1d-bd63-96834215b942

Attributes

activate_away_mode
true
backup_connection_host
212.7.208.102
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2018-10-16T15:58:09.264653236Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
7979
default_group
Blazemark
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
2585b45d-8764-4f1d-bd63-96834215b942
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
blazemark.hopto.org
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
false
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

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Profoma Invoice53241.exe.lnk	c35ba3fae930a61e313bcd191e31cea8_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\SMTP Monitor = "C:\\Program Files (x86)\\SMTP Monitor\\smtpmon.exe"	c35ba3fae930a61e313bcd191e31cea8_JaffaCakes118.exe

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	c35ba3fae930a61e313bcd191e31cea8_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2552 set thread context of 1672	2552	c35ba3fae930a61e313bcd191e31cea8_JaffaCakes118.exe	32

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\SMTP Monitor\smtpmon.exe	c35ba3fae930a61e313bcd191e31cea8_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\SMTP Monitor\smtpmon.exe	c35ba3fae930a61e313bcd191e31cea8_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 4 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c35ba3fae930a61e313bcd191e31cea8_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c35ba3fae930a61e313bcd191e31cea8_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2552	c35ba3fae930a61e313bcd191e31cea8_JaffaCakes118.exe
2552	c35ba3fae930a61e313bcd191e31cea8_JaffaCakes118.exe
2552	c35ba3fae930a61e313bcd191e31cea8_JaffaCakes118.exe
1672	c35ba3fae930a61e313bcd191e31cea8_JaffaCakes118.exe
1672	c35ba3fae930a61e313bcd191e31cea8_JaffaCakes118.exe
1672	c35ba3fae930a61e313bcd191e31cea8_JaffaCakes118.exe
2552	c35ba3fae930a61e313bcd191e31cea8_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1672	c35ba3fae930a61e313bcd191e31cea8_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2552	c35ba3fae930a61e313bcd191e31cea8_JaffaCakes118.exe
Token: SeDebugPrivilege	1672	c35ba3fae930a61e313bcd191e31cea8_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2552 wrote to memory of 968	2552	c35ba3fae930a61e313bcd191e31cea8_JaffaCakes118.exe	29
PID 2552 wrote to memory of 968	2552	c35ba3fae930a61e313bcd191e31cea8_JaffaCakes118.exe	29
PID 2552 wrote to memory of 968	2552	c35ba3fae930a61e313bcd191e31cea8_JaffaCakes118.exe	29
PID 2552 wrote to memory of 968	2552	c35ba3fae930a61e313bcd191e31cea8_JaffaCakes118.exe	29
PID 968 wrote to memory of 1856	968	cmd.exe	31
PID 968 wrote to memory of 1856	968	cmd.exe	31
PID 968 wrote to memory of 1856	968	cmd.exe	31
PID 968 wrote to memory of 1856	968	cmd.exe	31
PID 2552 wrote to memory of 1672	2552	c35ba3fae930a61e313bcd191e31cea8_JaffaCakes118.exe	32
PID 2552 wrote to memory of 1672	2552	c35ba3fae930a61e313bcd191e31cea8_JaffaCakes118.exe	32
PID 2552 wrote to memory of 1672	2552	c35ba3fae930a61e313bcd191e31cea8_JaffaCakes118.exe	32
PID 2552 wrote to memory of 1672	2552	c35ba3fae930a61e313bcd191e31cea8_JaffaCakes118.exe	32
PID 2552 wrote to memory of 1672	2552	c35ba3fae930a61e313bcd191e31cea8_JaffaCakes118.exe	32
PID 2552 wrote to memory of 1672	2552	c35ba3fae930a61e313bcd191e31cea8_JaffaCakes118.exe	32
PID 2552 wrote to memory of 1672	2552	c35ba3fae930a61e313bcd191e31cea8_JaffaCakes118.exe	32
PID 2552 wrote to memory of 1672	2552	c35ba3fae930a61e313bcd191e31cea8_JaffaCakes118.exe	32
PID 2552 wrote to memory of 1672	2552	c35ba3fae930a61e313bcd191e31cea8_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\c35ba3fae930a61e313bcd191e31cea8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c35ba3fae930a61e313bcd191e31cea8_JaffaCakes118.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2552
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:968
- - C:\Windows\SysWOW64\reg.exe
    reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Profoma Invoice53241\Profoma Invoice53241.exe.lnk" /f
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1856
- C:\Users\Admin\AppData\Local\Temp\c35ba3fae930a61e313bcd191e31cea8_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\c35ba3fae930a61e313bcd191e31cea8_JaffaCakes118.exe"
  2⤵
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:1672

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

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\Roaming\Profoma Invoice53241\Profoma Invoice53241.exe

Filesize
2.1MB

MD5
c35ba3fae930a61e313bcd191e31cea8

SHA1
8be51e3af17f9b8054d6bf5836f364b2bcf02692

SHA256
dce5b89dc71688b35db0ca2f7ec3ec0f546faf483cbb3281b71224b7af5827a3

SHA512
b399f96415d5f8cd8c151f1ffb3362601e9d594bb67f9983e8d024d218b13732db39c775c344d7ade83e4efa6b3002446dd1d361c58e467b24e74cb4b9b35cbf

Download Submit
memory/1672-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1672-32-0x0000000074A20000-0x0000000074FCB000-memory.dmp

Filesize
5.7MB

Download
memory/1672-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1672-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1672-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1672-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1672-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1672-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1672-30-0x0000000074A20000-0x0000000074FCB000-memory.dmp

Filesize
5.7MB

Download
memory/1672-25-0x0000000074A20000-0x0000000074FCB000-memory.dmp

Filesize
5.7MB

Download
memory/1672-23-0x0000000074A20000-0x0000000074FCB000-memory.dmp

Filesize
5.7MB

Download
memory/1672-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1672-24-0x0000000074A20000-0x0000000074FCB000-memory.dmp

Filesize
5.7MB

Download
memory/2552-2-0x0000000074A20000-0x0000000074FCB000-memory.dmp

Filesize
5.7MB

Download
memory/2552-26-0x0000000074A20000-0x0000000074FCB000-memory.dmp

Filesize
5.7MB

Download
memory/2552-27-0x0000000074A20000-0x0000000074FCB000-memory.dmp

Filesize
5.7MB

Download
memory/2552-1-0x0000000074A20000-0x0000000074FCB000-memory.dmp

Filesize
5.7MB

Download
memory/2552-31-0x0000000074A20000-0x0000000074FCB000-memory.dmp

Filesize
5.7MB

Download
memory/2552-0-0x0000000074A21000-0x0000000074A22000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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