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

Processes:

powershell.exepowershell.exepowershell.exe

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.

Processes:

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

Processes:

33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe

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

Processes:

33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe

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

Processes:

33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe

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

Processes:

33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exepowershell.exepowershell.exeschtasks.exe33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exepowershell.exe

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

Processes:

schtasks.exe

pid	Process
1484	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exepowershell.exepowershell.exepowershell.exe33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe

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

Processes:

33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe

pid	Process
2656	33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exepowershell.exepowershell.exepowershell.exe33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe

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

Processes:

33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118.exe

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

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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

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Downloads