nanocore | 13fe4c9b3cf5ae9a331e296d91c684470db23be83e0a981cdfe48d5d08b197bf

General

Target

33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe
Size

745KB
MD5

33ea695c5aae0047ddbd1144eeba659a
SHA1

0d1c55bd6977533133e285f4820c141e33dee792
SHA256

13fe4c9b3cf5ae9a331e296d91c684470db23be83e0a981cdfe48d5d08b197bf
SHA512

b80e9bba56b136e733845564ad6c7242e5a37239aafb6f1a093708d09b8d8741db247766288435f4bf6606265d913b0636cdbeffa8498ebc6200bdc124440d45
SSDEEP

12288:HFUk4olor5jDTi3KT8BmPJeXnomQY4CDWOvngDFHSYi0HK7zGzJym19oSuj+u76F:wzwQJeKYXlYkIyXSuSs9/Zs9cQrumQHk

Score

10^/10

nanocore discovery evasion execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

bohemianbenz.ddns.net:6060

127.0.0.1:6060

Mutex

4c660600-2810-4cf6-8702-7937ab2e690a

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
37.235.1.177
buffer_size
65535
build_time
2021-04-12T20:37:58.074750536Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
6060
default_group
ODINSGATE
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
4c660600-2810-4cf6-8702-7937ab2e690a
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
bohemianbenz.ddns.net
primary_dns_server
37.235.1.174
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

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
1388	powershell.exe
684	powershell.exe
1700	powershell.exe

Unexpected DNS network traffic destination 7 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	37.235.1.177
Destination IP	37.235.1.174
Destination IP	37.235.1.177
Destination IP	37.235.1.174
Destination IP	37.235.1.174
Destination IP	37.235.1.174
Destination IP	37.235.1.177

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\DSL Manager = "C:\\Program Files (x86)\\DSL Manager\\dslmgr.exe"	33ea695c5aae0047ddbd1144eeba659a_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	33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2884 set thread context of 2656	2884	33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe	39

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DSL Manager\dslmgr.exe	33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\DSL Manager\dslmgr.exe	33ea695c5aae0047ddbd1144eeba659a_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 6 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	33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
1484	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2884	33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe
684	powershell.exe
1700	powershell.exe
1388	powershell.exe
2656	33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe
2656	33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe
2656	33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2656	33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2884	33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe
Token: SeDebugPrivilege	684	powershell.exe
Token: SeDebugPrivilege	1700	powershell.exe
Token: SeDebugPrivilege	1388	powershell.exe
Token: SeDebugPrivilege	2656	33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2884 wrote to memory of 1388	2884	33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe	31
PID 2884 wrote to memory of 1388	2884	33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe	31
PID 2884 wrote to memory of 1388	2884	33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe	31
PID 2884 wrote to memory of 1388	2884	33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe	31
PID 2884 wrote to memory of 684	2884	33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe	33
PID 2884 wrote to memory of 684	2884	33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe	33
PID 2884 wrote to memory of 684	2884	33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe	33
PID 2884 wrote to memory of 684	2884	33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe	33
PID 2884 wrote to memory of 1484	2884	33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe	35
PID 2884 wrote to memory of 1484	2884	33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe	35
PID 2884 wrote to memory of 1484	2884	33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe	35
PID 2884 wrote to memory of 1484	2884	33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe	35
PID 2884 wrote to memory of 1700	2884	33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe	37
PID 2884 wrote to memory of 1700	2884	33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe	37
PID 2884 wrote to memory of 1700	2884	33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe	37
PID 2884 wrote to memory of 1700	2884	33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe	37
PID 2884 wrote to memory of 2656	2884	33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe	39
PID 2884 wrote to memory of 2656	2884	33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe	39
PID 2884 wrote to memory of 2656	2884	33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe	39
PID 2884 wrote to memory of 2656	2884	33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe	39
PID 2884 wrote to memory of 2656	2884	33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe	39
PID 2884 wrote to memory of 2656	2884	33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe	39
PID 2884 wrote to memory of 2656	2884	33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe	39
PID 2884 wrote to memory of 2656	2884	33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe	39
PID 2884 wrote to memory of 2656	2884	33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe	39

C:\Users\Admin\AppData\Local\Temp\33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\33ea695c5aae0047ddbd1144eeba659a_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:2884
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1388
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\enujwiWPdhq.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:684
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\enujwiWPdhq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1564.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1484
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\enujwiWPdhq.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1700
- C:\Users\Admin\AppData\Local\Temp\33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\33ea695c5aae0047ddbd1144eeba659a_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:2656

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

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

2

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\tmp1564.tmp

Filesize
1KB

MD5
73aef88715520874991e50c9c81ced6a

SHA1
9e853658a143d280721cfcf3b2681ab5871864f3

SHA256
6e86c0f3c7362282eb0848c7a659ce7ad61b7c4ccdcf2be283967fdc331f6824

SHA512
1a72751c9273a6ff91f2847d05e36f56a3058d7143f6f59de7cfe7c5091ab831aed406416e3691abb501b798ef8443d053f22d0e042ce82da1eed96bc29f891f

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\G9F5RO6F6UA4VK33HWI4.temp

Filesize
7KB

MD5
17f91c05cfbcdfc609dc64f0daead299

SHA1
97dcd0fac205bca7efe40b66f70b76a6acabf8ce

SHA256
85ee9acc0be07f53e7695bdd49e0024adca18604354669c68130a3f8dfd21265

SHA512
1a4160bf2d6b54e97a1dbc9a2ea6609d01dd0105400bd46a51c1759da92b2124c06b171974e4f54d730aa5aa6b2a6e03555d10374527521512fb047ce72fb988

Download Submit
memory/2656-26-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2656-30-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2656-42-0x0000000001F20000-0x0000000001F2A000-memory.dmp

Filesize
40KB

Download
memory/2656-41-0x0000000001F00000-0x0000000001F1E000-memory.dmp

Filesize
120KB

Download
memory/2656-40-0x00000000006E0000-0x00000000006EA000-memory.dmp

Filesize
40KB

Download
memory/2656-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2656-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2656-29-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2656-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2656-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2656-31-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2884-7-0x0000000004260000-0x000000000429A000-memory.dmp

Filesize
232KB

Download
memory/2884-1-0x0000000000200000-0x00000000002C0000-memory.dmp

Filesize
768KB

Download
memory/2884-0-0x0000000074CCE000-0x0000000074CCF000-memory.dmp

Filesize
4KB

Download
memory/2884-2-0x0000000074CC0000-0x00000000753AE000-memory.dmp

Filesize
6.9MB

Download
memory/2884-3-0x00000000003F0000-0x0000000000406000-memory.dmp

Filesize
88KB

Download
memory/2884-37-0x0000000074CC0000-0x00000000753AE000-memory.dmp

Filesize
6.9MB

Download
memory/2884-6-0x0000000006010000-0x00000000060B8000-memory.dmp

Filesize
672KB

Download
memory/2884-5-0x0000000074CC0000-0x00000000753AE000-memory.dmp

Filesize
6.9MB

Download
memory/2884-4-0x0000000074CCE000-0x0000000074CCF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads