nanocore | 5a0df8cd9f2c4c9d18dab936e866ba17c16c1e0014aed83d163c63934138b0ea

General

Target

JaffaCakes118_6dff455b59af4478e43bf4ef5daa9f6f.exe
Size

391KB
MD5

6dff455b59af4478e43bf4ef5daa9f6f
SHA1

eff4fcfb89c8d221b1f3e3d8230fc233a573a05b
SHA256

5a0df8cd9f2c4c9d18dab936e866ba17c16c1e0014aed83d163c63934138b0ea
SHA512

441f04492df324cbc84b16ce31c5b0e0ff5296996ef9acd17e46910916ad5d8b3f4702a00cd0bac827205ec74a5414041ed351677014bc84b0ffec774c130d4a
SSDEEP

6144:L+YMkhB3l6SfxWXxJWYStfxuUjZquttT80zLE6V1Rc/tosEq2MdJk5gcIQDUWTnC:qzSBVTxWXxpStBjS8E6SFDEqhPk5pYR

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

1116.hopto.org:1116

185.140.53.9:1116

Mutex

909dcd33-e0d7-4bd0-87b2-b7fd2611b6b9

Attributes

activate_away_mode
true
backup_connection_host
185.140.53.9
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-02-16T08:43:19.524585136Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
1116
default_group
1116
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
909dcd33-e0d7-4bd0-87b2-b7fd2611b6b9
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
1116.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
Nanocore family
nanocore

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	JaffaCakes118_6dff455b59af4478e43bf4ef5daa9f6f.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\ARP Monitor = "C:\\Program Files (x86)\\ARP Monitor\\arpmon.exe"	JaffaCakes118_6dff455b59af4478e43bf4ef5daa9f6f.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	JaffaCakes118_6dff455b59af4478e43bf4ef5daa9f6f.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4828 set thread context of 3620	4828	JaffaCakes118_6dff455b59af4478e43bf4ef5daa9f6f.exe	101

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\ARP Monitor\arpmon.exe	JaffaCakes118_6dff455b59af4478e43bf4ef5daa9f6f.exe
File opened for modification	C:\Program Files (x86)\ARP Monitor\arpmon.exe	JaffaCakes118_6dff455b59af4478e43bf4ef5daa9f6f.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 5 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	JaffaCakes118_6dff455b59af4478e43bf4ef5daa9f6f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6dff455b59af4478e43bf4ef5daa9f6f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
3360	schtasks.exe
1460	schtasks.exe
2948	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
4828	JaffaCakes118_6dff455b59af4478e43bf4ef5daa9f6f.exe
4828	JaffaCakes118_6dff455b59af4478e43bf4ef5daa9f6f.exe
4828	JaffaCakes118_6dff455b59af4478e43bf4ef5daa9f6f.exe
4828	JaffaCakes118_6dff455b59af4478e43bf4ef5daa9f6f.exe
4828	JaffaCakes118_6dff455b59af4478e43bf4ef5daa9f6f.exe
4828	JaffaCakes118_6dff455b59af4478e43bf4ef5daa9f6f.exe
4828	JaffaCakes118_6dff455b59af4478e43bf4ef5daa9f6f.exe
3620	JaffaCakes118_6dff455b59af4478e43bf4ef5daa9f6f.exe
3620	JaffaCakes118_6dff455b59af4478e43bf4ef5daa9f6f.exe
3620	JaffaCakes118_6dff455b59af4478e43bf4ef5daa9f6f.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3620	JaffaCakes118_6dff455b59af4478e43bf4ef5daa9f6f.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4828	JaffaCakes118_6dff455b59af4478e43bf4ef5daa9f6f.exe
Token: SeDebugPrivilege	3620	JaffaCakes118_6dff455b59af4478e43bf4ef5daa9f6f.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4828 wrote to memory of 3360	4828	JaffaCakes118_6dff455b59af4478e43bf4ef5daa9f6f.exe	99
PID 4828 wrote to memory of 3360	4828	JaffaCakes118_6dff455b59af4478e43bf4ef5daa9f6f.exe	99
PID 4828 wrote to memory of 3360	4828	JaffaCakes118_6dff455b59af4478e43bf4ef5daa9f6f.exe	99
PID 4828 wrote to memory of 3620	4828	JaffaCakes118_6dff455b59af4478e43bf4ef5daa9f6f.exe	101
PID 4828 wrote to memory of 3620	4828	JaffaCakes118_6dff455b59af4478e43bf4ef5daa9f6f.exe	101
PID 4828 wrote to memory of 3620	4828	JaffaCakes118_6dff455b59af4478e43bf4ef5daa9f6f.exe	101
PID 4828 wrote to memory of 3620	4828	JaffaCakes118_6dff455b59af4478e43bf4ef5daa9f6f.exe	101
PID 4828 wrote to memory of 3620	4828	JaffaCakes118_6dff455b59af4478e43bf4ef5daa9f6f.exe	101
PID 4828 wrote to memory of 3620	4828	JaffaCakes118_6dff455b59af4478e43bf4ef5daa9f6f.exe	101
PID 4828 wrote to memory of 3620	4828	JaffaCakes118_6dff455b59af4478e43bf4ef5daa9f6f.exe	101
PID 4828 wrote to memory of 3620	4828	JaffaCakes118_6dff455b59af4478e43bf4ef5daa9f6f.exe	101
PID 3620 wrote to memory of 1460	3620	JaffaCakes118_6dff455b59af4478e43bf4ef5daa9f6f.exe	102
PID 3620 wrote to memory of 1460	3620	JaffaCakes118_6dff455b59af4478e43bf4ef5daa9f6f.exe	102
PID 3620 wrote to memory of 1460	3620	JaffaCakes118_6dff455b59af4478e43bf4ef5daa9f6f.exe	102
PID 3620 wrote to memory of 2948	3620	JaffaCakes118_6dff455b59af4478e43bf4ef5daa9f6f.exe	104
PID 3620 wrote to memory of 2948	3620	JaffaCakes118_6dff455b59af4478e43bf4ef5daa9f6f.exe	104
PID 3620 wrote to memory of 2948	3620	JaffaCakes118_6dff455b59af4478e43bf4ef5daa9f6f.exe	104

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6dff455b59af4478e43bf4ef5daa9f6f.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6dff455b59af4478e43bf4ef5daa9f6f.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4828
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KuepDBljyJhFlD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp44E4.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3360
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6dff455b59af4478e43bf4ef5daa9f6f.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6dff455b59af4478e43bf4ef5daa9f6f.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
  - Suspicious use of WriteProcessMemory
  PID:3620
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "ARP Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp4810.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1460
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "ARP Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp4830.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2948

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

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\tmp4810.tmp

Filesize
1KB

MD5
30710a3d0d8562fccdd31f654d0928cb

SHA1
d0c237755c042d378a2f9b0849b0ea89485bd135

SHA256
d0080d0dce88e1f4ca0bfb1127f05673858ba226ed1edbbf0ceecb85ae2f052a

SHA512
ae84e08a63ad2cf1bb5736c44aa94a67ef5bdb2bb873d5f4ac575ebbebb01eca88a0dc3c2daca041b6c532015b9104532ee306ef76e651c1184c4953cf824626

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4830.tmp

Filesize
1KB

MD5
acc7d7829edec6af26aa18f8ca7776ef

SHA1
29f5290d08127f29924a2eb189e21b9bcfbb6f3a

SHA256
2165ad57e4cd29e911a2861e1fe6366ce11912c95f8e5ede61d247b75753001a

SHA512
07e84e0f7eb030dc0f2efde201c023051a2559dbdcde957fea73669a6e2deac9848cf3503e4e7f9524660d61ead850632bb998f12b73b887dfe841286002bc5b

Download Submit
memory/3620-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3620-32-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/3620-31-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/3620-30-0x0000000005490000-0x000000000549A000-memory.dmp

Filesize
40KB

Download
memory/3620-29-0x0000000005470000-0x000000000548E000-memory.dmp

Filesize
120KB

Download
memory/3620-28-0x0000000005110000-0x000000000511A000-memory.dmp

Filesize
40KB

Download
memory/3620-20-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/3620-18-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/4828-5-0x00000000050B0000-0x00000000050BA000-memory.dmp

Filesize
40KB

Download
memory/4828-10-0x0000000006130000-0x000000000618C000-memory.dmp

Filesize
368KB

Download
memory/4828-19-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/4828-9-0x0000000005EE0000-0x0000000005F7C000-memory.dmp

Filesize
624KB

Download
memory/4828-8-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/4828-7-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/4828-6-0x0000000005290000-0x000000000529A000-memory.dmp

Filesize
40KB

Download
memory/4828-0-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/4828-4-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/4828-3-0x00000000050C0000-0x0000000005152000-memory.dmp

Filesize
584KB

Download
memory/4828-2-0x0000000005590000-0x0000000005B34000-memory.dmp

Filesize
5.6MB

Download
memory/4828-1-0x0000000000680000-0x00000000006E8000-memory.dmp

Filesize
416KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads