nanocore | 59e4202500dfbe320050972483973e966052a7eba076e6e1fd3d4547456db552

General

Target

516ff4e98725f65ba5447f4dfb2875b2_JaffaCakes118.exe
Size

606KB
MD5

516ff4e98725f65ba5447f4dfb2875b2
SHA1

81db1373c984f720c4c77fc5c6abc1b9fd27e2cc
SHA256

59e4202500dfbe320050972483973e966052a7eba076e6e1fd3d4547456db552
SHA512

43f57cc4a0142560d0de8f8f13de2e45e70c8e1085d0750cc7bb8ebf05b40a20b2133e0d9205dbd3a000a8f226a11e824e71e8596cad91d1d10fa17ef6d81acf
SSDEEP

12288:/ooe8AegXtr7Nt46HFzXXn6HQTQjp8MLWfSiUNfJT6YashlM0JT6YashlM:wDemG6lb3QpWPS9ashlV9ashl

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

deedee111.ddns.net:1990

127.0.0.1:1990

Mutex

912c7b4c-420a-467d-9b7a-aaf0c7895a29

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
37.235.1.177
buffer_size
65535
build_time
2021-07-13T04:41:15.726451536Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
1990
default_group
deedee1
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
912c7b4c-420a-467d-9b7a-aaf0c7895a29
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
deedee111.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

Unexpected DNS network traffic destination 8 IoCs

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

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

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"	516ff4e98725f65ba5447f4dfb2875b2_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	516ff4e98725f65ba5447f4dfb2875b2_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2924 set thread context of 2216	2924	516ff4e98725f65ba5447f4dfb2875b2_JaffaCakes118.exe	31

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\ARP Manager\arpmgr.exe	516ff4e98725f65ba5447f4dfb2875b2_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\ARP Manager\arpmgr.exe	516ff4e98725f65ba5447f4dfb2875b2_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2216	516ff4e98725f65ba5447f4dfb2875b2_JaffaCakes118.exe
2216	516ff4e98725f65ba5447f4dfb2875b2_JaffaCakes118.exe
2216	516ff4e98725f65ba5447f4dfb2875b2_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2216	516ff4e98725f65ba5447f4dfb2875b2_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2216	516ff4e98725f65ba5447f4dfb2875b2_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2924 wrote to memory of 2216	2924	516ff4e98725f65ba5447f4dfb2875b2_JaffaCakes118.exe	31
PID 2924 wrote to memory of 2216	2924	516ff4e98725f65ba5447f4dfb2875b2_JaffaCakes118.exe	31
PID 2924 wrote to memory of 2216	2924	516ff4e98725f65ba5447f4dfb2875b2_JaffaCakes118.exe	31
PID 2924 wrote to memory of 2216	2924	516ff4e98725f65ba5447f4dfb2875b2_JaffaCakes118.exe	31
PID 2924 wrote to memory of 2216	2924	516ff4e98725f65ba5447f4dfb2875b2_JaffaCakes118.exe	31
PID 2924 wrote to memory of 2216	2924	516ff4e98725f65ba5447f4dfb2875b2_JaffaCakes118.exe	31
PID 2924 wrote to memory of 2216	2924	516ff4e98725f65ba5447f4dfb2875b2_JaffaCakes118.exe	31
PID 2924 wrote to memory of 2216	2924	516ff4e98725f65ba5447f4dfb2875b2_JaffaCakes118.exe	31
PID 2924 wrote to memory of 2216	2924	516ff4e98725f65ba5447f4dfb2875b2_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\516ff4e98725f65ba5447f4dfb2875b2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\516ff4e98725f65ba5447f4dfb2875b2_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2924
- C:\Users\Admin\AppData\Local\Temp\516ff4e98725f65ba5447f4dfb2875b2_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\516ff4e98725f65ba5447f4dfb2875b2_JaffaCakes118.exe"
  2⤵
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:2216

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2216-24-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/2216-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2216-30-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/2216-29-0x0000000000610000-0x000000000061A000-memory.dmp

Filesize
40KB

Download
memory/2216-28-0x00000000004F0000-0x000000000050E000-memory.dmp

Filesize
120KB

Download
memory/2216-27-0x00000000004E0000-0x00000000004EA000-memory.dmp

Filesize
40KB

Download
memory/2216-31-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/2216-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2216-23-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/2216-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2216-8-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2216-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2216-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2216-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2216-9-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2924-5-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/2924-22-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/2924-6-0x0000000004EE0000-0x0000000004F3E000-memory.dmp

Filesize
376KB

Download
memory/2924-0-0x000000007409E000-0x000000007409F000-memory.dmp

Filesize
4KB

Download
memory/2924-4-0x000000007409E000-0x000000007409F000-memory.dmp

Filesize
4KB

Download
memory/2924-3-0x00000000003D0000-0x00000000003E2000-memory.dmp

Filesize
72KB

Download
memory/2924-2-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/2924-1-0x0000000000880000-0x000000000091E000-memory.dmp

Filesize
632KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads