nanocore | 722176bd0518a4865b4078f73ef7cc3846995599d0971889025e94dfcaa94964

General

Target

0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe
Size

709KB
MD5

0efa04a898afc4535564e1ea192b78f6
SHA1

3ddff2fcc9a9eb86d088f3202afd7dcef82912f4
SHA256

722176bd0518a4865b4078f73ef7cc3846995599d0971889025e94dfcaa94964
SHA512

e1ceb9148d9998cc9a456b744d117459aee5d3712bd443bbb41f622274c31dd983afe3369e2ed8ed41f60ad5ab663b46200c309d89e9f1f6e66f4c5e5c6eb646
SSDEEP

12288:ZSkwRF1a+dO6+VTKkFwQgWXLBPEhb5k0bbNkNNpVz3ONEnw1p9:ZSkQ0WOHVNdXLBPI

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

man90.ddns.net:3280

194.5.99.19:3280

Mutex

4a6ee88e-a050-4d1d-9232-edbd2a38972e

Attributes

activate_away_mode
true
backup_connection_host
194.5.99.19
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2018-08-05T19:26:15.373508036Z
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
3280
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
4a6ee88e-a050-4d1d-9232-edbd2a38972e
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
man90.ddns.net
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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\SCSI Host = "C:\\Program Files (x86)\\SCSI Host\\scsihost.exe"	0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2252 set thread context of 2792	2252	0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe	31

Drops file in Program Files directory 2 IoCs

Processes:

0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe

description	ioc	Process
File created	C:\Program Files (x86)\SCSI Host\scsihost.exe	0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\SCSI Host\scsihost.exe	0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe

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

Processes:

schtasks.exe0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exeschtasks.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.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

Processes:

schtasks.exeschtasks.exe

pid	Process
2728	schtasks.exe
2740	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe

pid	Process
2252	0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe
2252	0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe
2792	0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe
2792	0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe
2792	0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe

pid	Process
2792	0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe

description	pid	Process
Token: SeDebugPrivilege	2252	0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe
Token: SeDebugPrivilege	2792	0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2252 wrote to memory of 2792	2252	0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe	31
PID 2252 wrote to memory of 2792	2252	0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe	31
PID 2252 wrote to memory of 2792	2252	0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe	31
PID 2252 wrote to memory of 2792	2252	0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe	31
PID 2252 wrote to memory of 2792	2252	0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe	31
PID 2252 wrote to memory of 2792	2252	0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe	31
PID 2252 wrote to memory of 2792	2252	0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe	31
PID 2252 wrote to memory of 2792	2252	0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe	31
PID 2252 wrote to memory of 2792	2252	0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe	31
PID 2792 wrote to memory of 2728	2792	0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe	32
PID 2792 wrote to memory of 2728	2792	0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe	32
PID 2792 wrote to memory of 2728	2792	0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe	32
PID 2792 wrote to memory of 2728	2792	0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe	32
PID 2792 wrote to memory of 2740	2792	0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe	34
PID 2792 wrote to memory of 2740	2792	0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe	34
PID 2792 wrote to memory of 2740	2792	0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe	34
PID 2792 wrote to memory of 2740	2792	0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe	34

C:\Users\Admin\AppData\Local\Temp\0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2252
- C:\Users\Admin\AppData\Local\Temp\0efa04a898afc4535564e1ea192b78f6_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\0efa04a898afc4535564e1ea192b78f6_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
  - Suspicious use of WriteProcessMemory
  PID:2792
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SCSI Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp4588.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2728
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SCSI Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp470F.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2740

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

System Information Discovery

1

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\tmp4588.tmp

Filesize
1KB

MD5
71e126da0263c07d22bde529d414d4f6

SHA1
f6b12538635fb85cdd00da64872cded584461ee6

SHA256
1837b00f75028c4c68480491593c1695d20544a59bd87dbdf1b3121ea2d734fb

SHA512
682d15779fad226cef5e299f0430559510b0de0e2273cec3003a3896cf17f75b4fc61e360bd8a421b5e8c1fab3834fda5dd00c2976e69455e2f4c252f47ce328

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp470F.tmp

Filesize
1KB

MD5
9a559f229be0944bc3dc813cde333f50

SHA1
0e97c97eea032b499ff060e799581e32beeceb09

SHA256
a63d853679aa655cced3b62a10855c56f9efd9b50770738b408d728008f73330

SHA512
4cbb2f77283500e86ecf79fd2cbd31d10c3af2fcf6c9a557ee0b1edead229dc07d63a5030b60df57458d52ef8c2a42ec199d2d4cdca387400d047df25b593c68

Download Submit
memory/2252-0-0x00000000748F1000-0x00000000748F2000-memory.dmp

Filesize
4KB

Download
memory/2252-1-0x00000000748F0000-0x0000000074E9B000-memory.dmp

Filesize
5.7MB

Download
memory/2252-2-0x00000000748F0000-0x0000000074E9B000-memory.dmp

Filesize
5.7MB

Download
memory/2252-3-0x00000000748F0000-0x0000000074E9B000-memory.dmp

Filesize
5.7MB

Download
memory/2252-4-0x00000000748F0000-0x0000000074E9B000-memory.dmp

Filesize
5.7MB

Download
memory/2252-20-0x00000000748F0000-0x0000000074E9B000-memory.dmp

Filesize
5.7MB

Download
memory/2792-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2792-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2792-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2792-9-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2792-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2792-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2792-19-0x00000000748F0000-0x0000000074E9B000-memory.dmp

Filesize
5.7MB

Download
memory/2792-25-0x00000000748F0000-0x0000000074E9B000-memory.dmp

Filesize
5.7MB

Download
memory/2792-24-0x00000000748F0000-0x0000000074E9B000-memory.dmp

Filesize
5.7MB

Download
memory/2792-7-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2792-5-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2792-30-0x00000000748F0000-0x0000000074E9B000-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