nanocore | 8c6515ea1d1dc1263f76e273d06eee09ce298ddaefa435b84bb6e5bc9b578da1

General

Target

74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe
Size

769KB
MD5

74b1f9ccfc3a8cd599c6565187306657
SHA1

447362e6ac5562132324147636b2c5f13ed7e87e
SHA256

8c6515ea1d1dc1263f76e273d06eee09ce298ddaefa435b84bb6e5bc9b578da1
SHA512

c88740b94abe0fc862560525566b6c8482cc04c59f43c85b5ee8220db546eeb77990cea5a792aa0928341152371a1b84e27df7abb6bdedad5982937cb0128821
SSDEEP

12288:ixfMNAGE3qOh/EcvseSdNZo9KDictCHTC0kX7qj8DBTuLTtuZTUJ:i9GVE3qOh/zxqG9lkCHo7qQtThZTU

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

amechi.duckdns.org:4190

Mutex

2a0a9f29-2b47-4a8a-bba0-73bd2bfb466e

Attributes

activate_away_mode
true
backup_connection_host
amechi.duckdns.org
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-11-27T10:27:04.358793536Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
4190
default_group
EYPPPP
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
2a0a9f29-2b47-4a8a-bba0-73bd2bfb466e
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
amechi.duckdns.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

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 Manager = "C:\\Program Files (x86)\\ARP Manager\\arpmgr.exe"	74b1f9ccfc3a8cd599c6565187306657_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	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2232 set thread context of 2548	2232	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe	33

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\ARP Manager\arpmgr.exe	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\ARP Manager\arpmgr.exe	74b1f9ccfc3a8cd599c6565187306657_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 3 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.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
2696	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2232	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe
2232	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe
2232	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe
2548	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe
2548	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe
2548	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2548	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2232	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe
Token: SeDebugPrivilege	2548	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 2696	2232	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe	30
PID 2232 wrote to memory of 2696	2232	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe	30
PID 2232 wrote to memory of 2696	2232	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe	30
PID 2232 wrote to memory of 2696	2232	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe	30
PID 2232 wrote to memory of 2604	2232	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe	32
PID 2232 wrote to memory of 2604	2232	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe	32
PID 2232 wrote to memory of 2604	2232	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe	32
PID 2232 wrote to memory of 2604	2232	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe	32
PID 2232 wrote to memory of 2548	2232	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe	33
PID 2232 wrote to memory of 2548	2232	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe	33
PID 2232 wrote to memory of 2548	2232	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe	33
PID 2232 wrote to memory of 2548	2232	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe	33
PID 2232 wrote to memory of 2548	2232	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe	33
PID 2232 wrote to memory of 2548	2232	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe	33
PID 2232 wrote to memory of 2548	2232	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe	33
PID 2232 wrote to memory of 2548	2232	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe	33
PID 2232 wrote to memory of 2548	2232	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\74b1f9ccfc3a8cd599c6565187306657_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:2232
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kgiHOQFWsi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp90AB.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2696
- C:\Users\Admin\AppData\Local\Temp\74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe
  "{path}"
  2⤵
  PID:2604
- C:\Users\Admin\AppData\Local\Temp\74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe
  "{path}"
  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:2548

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

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\tmp90AB.tmp

Filesize
1KB

MD5
1403f04528af8e73467ba3f80e077d87

SHA1
9c498a14c306d6208f29a2046aa15d5f88fa2665

SHA256
e5173e64b6c515e16ec139cef47e7291c6ec4f3ab63cda5962f856a5de6ff277

SHA512
3d2f1cf232d8f813ec503017c326956b98fbee79941b89bf235bc3b766c918d239a8904b24855d6ccd91971d45b239cce7996cb8e3e61a0bdc1f3a8fb2940b0a

Download Submit
memory/2232-0-0x0000000074ADE000-0x0000000074ADF000-memory.dmp

Filesize
4KB

Download
memory/2232-1-0x00000000008C0000-0x0000000000986000-memory.dmp

Filesize
792KB

Download
memory/2232-2-0x0000000074AD0000-0x00000000751BE000-memory.dmp

Filesize
6.9MB

Download
memory/2232-3-0x0000000000390000-0x0000000000398000-memory.dmp

Filesize
32KB

Download
memory/2232-4-0x0000000074ADE000-0x0000000074ADF000-memory.dmp

Filesize
4KB

Download
memory/2232-5-0x0000000074AD0000-0x00000000751BE000-memory.dmp

Filesize
6.9MB

Download
memory/2232-6-0x0000000005090000-0x0000000005124000-memory.dmp

Filesize
592KB

Download
memory/2232-22-0x0000000074AD0000-0x00000000751BE000-memory.dmp

Filesize
6.9MB

Download
memory/2548-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2548-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2548-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2548-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2548-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2548-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2548-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2548-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2548-23-0x0000000074AD0000-0x00000000751BE000-memory.dmp

Filesize
6.9MB

Download
memory/2548-24-0x0000000074AD0000-0x00000000751BE000-memory.dmp

Filesize
6.9MB

Download
memory/2548-27-0x00000000004F0000-0x00000000004FA000-memory.dmp

Filesize
40KB

Download
memory/2548-28-0x0000000000650000-0x000000000066E000-memory.dmp

Filesize
120KB

Download
memory/2548-29-0x0000000000500000-0x000000000050A000-memory.dmp

Filesize
40KB

Download
memory/2548-30-0x0000000074AD0000-0x00000000751BE000-memory.dmp

Filesize
6.9MB

Download
memory/2548-31-0x0000000074AD0000-0x00000000751BE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads