nanocore | d007b2927de0b77df81cf0aada656c5a19ae07893b21872abdf88232a6a0313c

General

Target

5e8b5828c0a58053ce6d0aef5ffa6cab_JaffaCakes118.exe
Size

686KB
MD5

5e8b5828c0a58053ce6d0aef5ffa6cab
SHA1

32a6a0e0f029eb46aa0d242a06f3b68fc8189618
SHA256

d007b2927de0b77df81cf0aada656c5a19ae07893b21872abdf88232a6a0313c
SHA512

4d1851b4970c79125d58129005306db1f657dd5c4906a43ef4f95d7e0354ec206f310e699b22b007a00f2b0bd2d19d5776e98b1c046f3629cc402fdb3b78a1b2
SSDEEP

12288:oBl7At3NivUljBYaaRTiG4M/Ii89YH0mp8d1if8KKjsY/Da4cF4hTbIiHWt0FM:+pS3NiMjBCAGRd0m5

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

bobbyino.duckdns.org:6672

Mutex

b35f15a0-51d6-4b6a-89be-2b86ac57733c

Attributes

activate_away_mode
true
backup_connection_host
bobbyino.duckdns.org
backup_dns_server
bobbyino.duckdns.org
buffer_size
65535
build_time
2020-11-23T10:20:23.936986936Z
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
6672
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
b35f15a0-51d6-4b6a-89be-2b86ac57733c
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
bobbyino.duckdns.org
primary_dns_server
bobbyino.duckdns.org
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\NAT Subsystem = "C:\\Program Files (x86)\\NAT Subsystem\\natss.exe"	5e8b5828c0a58053ce6d0aef5ffa6cab_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	5e8b5828c0a58053ce6d0aef5ffa6cab_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3756 set thread context of 2200	3756	5e8b5828c0a58053ce6d0aef5ffa6cab_JaffaCakes118.exe	95

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\NAT Subsystem\natss.exe	5e8b5828c0a58053ce6d0aef5ffa6cab_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\NAT Subsystem\natss.exe	5e8b5828c0a58053ce6d0aef5ffa6cab_JaffaCakes118.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

pid	Process
2356	schtasks.exe
4348	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2200	5e8b5828c0a58053ce6d0aef5ffa6cab_JaffaCakes118.exe
2200	5e8b5828c0a58053ce6d0aef5ffa6cab_JaffaCakes118.exe
2200	5e8b5828c0a58053ce6d0aef5ffa6cab_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2200	5e8b5828c0a58053ce6d0aef5ffa6cab_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2200	5e8b5828c0a58053ce6d0aef5ffa6cab_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3756 wrote to memory of 2200	3756	5e8b5828c0a58053ce6d0aef5ffa6cab_JaffaCakes118.exe	95
PID 3756 wrote to memory of 2200	3756	5e8b5828c0a58053ce6d0aef5ffa6cab_JaffaCakes118.exe	95
PID 3756 wrote to memory of 2200	3756	5e8b5828c0a58053ce6d0aef5ffa6cab_JaffaCakes118.exe	95
PID 3756 wrote to memory of 2200	3756	5e8b5828c0a58053ce6d0aef5ffa6cab_JaffaCakes118.exe	95
PID 3756 wrote to memory of 2200	3756	5e8b5828c0a58053ce6d0aef5ffa6cab_JaffaCakes118.exe	95
PID 3756 wrote to memory of 2200	3756	5e8b5828c0a58053ce6d0aef5ffa6cab_JaffaCakes118.exe	95
PID 3756 wrote to memory of 2200	3756	5e8b5828c0a58053ce6d0aef5ffa6cab_JaffaCakes118.exe	95
PID 3756 wrote to memory of 2200	3756	5e8b5828c0a58053ce6d0aef5ffa6cab_JaffaCakes118.exe	95
PID 2200 wrote to memory of 2356	2200	5e8b5828c0a58053ce6d0aef5ffa6cab_JaffaCakes118.exe	96
PID 2200 wrote to memory of 2356	2200	5e8b5828c0a58053ce6d0aef5ffa6cab_JaffaCakes118.exe	96
PID 2200 wrote to memory of 2356	2200	5e8b5828c0a58053ce6d0aef5ffa6cab_JaffaCakes118.exe	96
PID 2200 wrote to memory of 4348	2200	5e8b5828c0a58053ce6d0aef5ffa6cab_JaffaCakes118.exe	98
PID 2200 wrote to memory of 4348	2200	5e8b5828c0a58053ce6d0aef5ffa6cab_JaffaCakes118.exe	98
PID 2200 wrote to memory of 4348	2200	5e8b5828c0a58053ce6d0aef5ffa6cab_JaffaCakes118.exe	98

C:\Users\Admin\AppData\Local\Temp\5e8b5828c0a58053ce6d0aef5ffa6cab_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5e8b5828c0a58053ce6d0aef5ffa6cab_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3756
- C:\Users\Admin\AppData\Local\Temp\5e8b5828c0a58053ce6d0aef5ffa6cab_JaffaCakes118.exe
  "{path}"
  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
  - Suspicious use of WriteProcessMemory
  PID:2200
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "NAT Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1383.tmp"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2356
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "NAT Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp13E2.tmp"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:4348

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\5e8b5828c0a58053ce6d0aef5ffa6cab_JaffaCakes118.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1383.tmp

Filesize
1KB

MD5
b0b5b4ef12c823cf0d24a9bca5890a67

SHA1
1c1a3b6d5753c71256bd166ecdb6986cecc32c8c

SHA256
41db781b00c639aae5296ec995c0eba6f3309e9751fc01c5a0c55ec5a27241df

SHA512
57f7ff45beb9400652015314fc444f3a8ac619305c4c231c5e11528cb3235c19fff16e0d08bbdc7f4958059ab493ff164cb6516e2fabcfba3289a1ef5a896878

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp13E2.tmp

Filesize
1KB

MD5
c58d37cb49c18f1d7cece3c78ac2f407

SHA1
769ed0ea9d5269e1cec7234eaac77da129cc0463

SHA256
52cdb418384a912c5b7071c92d7761f0d12250f07dbbb31876eb2e8d65acbae7

SHA512
2efcb3eaf050d56ad3d483112303a1543f9fc457119fbca7d81b45d5619c0f1ba706ce96644d4e2055c1b5ada7af13f071495287a775ce234d9125633bf02775

Download Submit
memory/2200-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2200-28-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/2200-27-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/2200-26-0x0000000005830000-0x000000000583A000-memory.dmp

Filesize
40KB

Download
memory/2200-25-0x00000000055F0000-0x000000000560E000-memory.dmp

Filesize
120KB

Download
memory/2200-24-0x0000000005320000-0x000000000532A000-memory.dmp

Filesize
40KB

Download
memory/2200-16-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/2200-14-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/3756-5-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/3756-10-0x0000000007F30000-0x0000000007FC0000-memory.dmp

Filesize
576KB

Download
memory/3756-9-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/3756-15-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/3756-8-0x0000000074C7E000-0x0000000074C7F000-memory.dmp

Filesize
4KB

Download
memory/3756-7-0x0000000005890000-0x0000000005898000-memory.dmp

Filesize
32KB

Download
memory/3756-6-0x0000000007FD0000-0x000000000806C000-memory.dmp

Filesize
624KB

Download
memory/3756-0-0x0000000074C7E000-0x0000000074C7F000-memory.dmp

Filesize
4KB

Download
memory/3756-4-0x00000000055A0000-0x00000000055AA000-memory.dmp

Filesize
40KB

Download
memory/3756-3-0x00000000054E0000-0x0000000005572000-memory.dmp

Filesize
584KB

Download
memory/3756-2-0x00000000059B0000-0x0000000005F54000-memory.dmp

Filesize
5.6MB

Download
memory/3756-1-0x0000000000A60000-0x0000000000B12000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads