nanocore | f2d649742b53fe02fca59829fed91f928fdbe5dab012bbf62ebb91148806c5d2

General

Target

f3f9184bcd70e29b2e5f8158bf563631_JaffaCakes118.exe
Size

918KB
MD5

f3f9184bcd70e29b2e5f8158bf563631
SHA1

5ca76c85e3f1793d3fb239dbb8de63e2cff6f48b
SHA256

f2d649742b53fe02fca59829fed91f928fdbe5dab012bbf62ebb91148806c5d2
SHA512

d0c192a7ecbbdb9e574ea3d40aedfbfcd415267baf22e8813bf9c89ee59b4af9ac6574fe0220789817fdc3da78d40216106168c90f5b436660307c270b2b3a35
SSDEEP

24576:SB9/QFCnBAu+GnMr3jYyEJusetjYRx0BtO/tiuIvkor91bJCCvP1lCRODh7kwSt8:DCnBAuWvkcbXrPa4

Score

10^/10

nanocore discovery evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

backupdns.hopto.org:2266

127.0.0.1:2266

Mutex

85ac4869-a607-40fe-a1c1-4bce2d8e1d63

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2018-07-13T07:40:19.639778236Z
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
2266
default_group
Default
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
85ac4869-a607-40fe-a1c1-4bce2d8e1d63
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
backupdns.hopto.org
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

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svhost.url	f3f9184bcd70e29b2e5f8158bf563631_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	RegAsm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2536 set thread context of 3428	2536	f3f9184bcd70e29b2e5f8158bf563631_JaffaCakes118.exe	86

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	f3f9184bcd70e29b2e5f8158bf563631_JaffaCakes118.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	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
1124	schtasks.exe
2684	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2536	f3f9184bcd70e29b2e5f8158bf563631_JaffaCakes118.exe
2536	f3f9184bcd70e29b2e5f8158bf563631_JaffaCakes118.exe
3428	RegAsm.exe
3428	RegAsm.exe
3428	RegAsm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3428	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2536	f3f9184bcd70e29b2e5f8158bf563631_JaffaCakes118.exe
Token: SeDebugPrivilege	3428	RegAsm.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 3116	2536	f3f9184bcd70e29b2e5f8158bf563631_JaffaCakes118.exe	82
PID 2536 wrote to memory of 3116	2536	f3f9184bcd70e29b2e5f8158bf563631_JaffaCakes118.exe	82
PID 2536 wrote to memory of 3116	2536	f3f9184bcd70e29b2e5f8158bf563631_JaffaCakes118.exe	82
PID 2536 wrote to memory of 1124	2536	f3f9184bcd70e29b2e5f8158bf563631_JaffaCakes118.exe	84
PID 2536 wrote to memory of 1124	2536	f3f9184bcd70e29b2e5f8158bf563631_JaffaCakes118.exe	84
PID 2536 wrote to memory of 1124	2536	f3f9184bcd70e29b2e5f8158bf563631_JaffaCakes118.exe	84
PID 2536 wrote to memory of 3428	2536	f3f9184bcd70e29b2e5f8158bf563631_JaffaCakes118.exe	86
PID 2536 wrote to memory of 3428	2536	f3f9184bcd70e29b2e5f8158bf563631_JaffaCakes118.exe	86
PID 2536 wrote to memory of 3428	2536	f3f9184bcd70e29b2e5f8158bf563631_JaffaCakes118.exe	86
PID 2536 wrote to memory of 3428	2536	f3f9184bcd70e29b2e5f8158bf563631_JaffaCakes118.exe	86
PID 2536 wrote to memory of 3428	2536	f3f9184bcd70e29b2e5f8158bf563631_JaffaCakes118.exe	86
PID 2536 wrote to memory of 3428	2536	f3f9184bcd70e29b2e5f8158bf563631_JaffaCakes118.exe	86
PID 2536 wrote to memory of 3428	2536	f3f9184bcd70e29b2e5f8158bf563631_JaffaCakes118.exe	86
PID 2536 wrote to memory of 3428	2536	f3f9184bcd70e29b2e5f8158bf563631_JaffaCakes118.exe	86
PID 3428 wrote to memory of 2684	3428	RegAsm.exe	87
PID 3428 wrote to memory of 2684	3428	RegAsm.exe	87
PID 3428 wrote to memory of 2684	3428	RegAsm.exe	87

C:\Users\Admin\AppData\Local\Temp\f3f9184bcd70e29b2e5f8158bf563631_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f3f9184bcd70e29b2e5f8158bf563631_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:2536
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /query
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3116
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /sc MINUTE /tn svhost /MO 1 /tr "C:\Users\Admin\AppData\Roaming\svhost\svhost.exe\
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1124
- 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
  - Suspicious use of WriteProcessMemory
  PID:3428
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DPI Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp82CC.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2684

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

1

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\tmp82CC.tmp

Filesize
1KB

MD5
c6f0625bf4c1cdfb699980c9243d3b22

SHA1
43de1fe580576935516327f17b5da0c656c72851

SHA256
8dfc4e937f0b2374e3ced25fce344b0731cf44b8854625b318d50ece2da8f576

SHA512
9ef2dbd4142ad0e1e6006929376ecb8011e7ffc801ee2101e906787d70325ad82752df65839de9972391fa52e1e5974ec1a5c7465a88aa56257633ebb7d70969

Download Submit
memory/2536-1-0x00000000009B0000-0x0000000000A84000-memory.dmp

Filesize
848KB

Download
memory/2536-2-0x0000000002E30000-0x0000000002E74000-memory.dmp

Filesize
272KB

Download
memory/2536-3-0x0000000001440000-0x000000000144C000-memory.dmp

Filesize
48KB

Download
memory/2536-6-0x00000000053D0000-0x0000000005408000-memory.dmp

Filesize
224KB

Download
memory/2536-7-0x0000000005540000-0x00000000055DC000-memory.dmp

Filesize
624KB

Download
memory/2536-0-0x00000000746EE000-0x00000000746EF000-memory.dmp

Filesize
4KB

Download
memory/3428-8-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3428-11-0x00000000748C0000-0x0000000074E71000-memory.dmp

Filesize
5.7MB

Download
memory/3428-12-0x00000000748C0000-0x0000000074E71000-memory.dmp

Filesize
5.7MB

Download
memory/3428-10-0x00000000748C2000-0x00000000748C3000-memory.dmp

Filesize
4KB

Download
memory/3428-17-0x00000000748C2000-0x00000000748C3000-memory.dmp

Filesize
4KB

Download
memory/3428-18-0x00000000748C0000-0x0000000074E71000-memory.dmp

Filesize
5.7MB

Download
memory/3428-19-0x00000000748C0000-0x0000000074E71000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads