nanocore | dd8f89aefc7df0cae92af60345a0f467ef1ec14decc73ae24b355408fc8ad78b

General

Target

f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe
Size

880KB
MD5

f42e394da602e24e0caf22cc16b9a587
SHA1

6d8c11fa74903f18b6a222464a9f1a40f50dc347
SHA256

dd8f89aefc7df0cae92af60345a0f467ef1ec14decc73ae24b355408fc8ad78b
SHA512

295bca27e74a41e0a59a2ee6c3575fde18f59a655df888b9345a5db11702f6993273b4a93c6c6261bc42c7a5652655c9a6b4dbfab4822cae6c23081284d8fca7
SSDEEP

12288:BnMQQ6h7qT0zX8uMEptG+jvmSUdLDb6kaiEmfuAiweutmDFSxO4aP7chD9MMGbxo:BMDP/eAcU+oOutmZSIv7chD9MMGbxZe

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

tunneddd.ydns.eu:6642

Mutex

c748cabc-e270-42b1-88eb-578ec49059d4

Attributes

activate_away_mode
true
backup_connection_host
tunneddd.ydns.eu
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-05-21T12:53:19.110027936Z
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
6642
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
c748cabc-e270-42b1-88eb-578ec49059d4
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
tunneddd.ydns.eu
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
Nanocore family
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\ISS Host = "C:\\Program Files (x86)\\ISS Host\\isshost.exe"	f42e394da602e24e0caf22cc16b9a587_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	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2128 set thread context of 2640	2128	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe	31

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\ISS Host\isshost.exe	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\ISS Host\isshost.exe	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
2068	schtasks.exe
2540	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2640	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe
2640	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe
2640	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2640	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2640	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 2640	2128	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe	31
PID 2128 wrote to memory of 2640	2128	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe	31
PID 2128 wrote to memory of 2640	2128	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe	31
PID 2128 wrote to memory of 2640	2128	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe	31
PID 2128 wrote to memory of 2640	2128	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe	31
PID 2128 wrote to memory of 2640	2128	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe	31
PID 2128 wrote to memory of 2640	2128	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe	31
PID 2128 wrote to memory of 2640	2128	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe	31
PID 2128 wrote to memory of 2640	2128	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe	31
PID 2640 wrote to memory of 2068	2640	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe	32
PID 2640 wrote to memory of 2068	2640	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe	32
PID 2640 wrote to memory of 2068	2640	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe	32
PID 2640 wrote to memory of 2068	2640	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe	32
PID 2640 wrote to memory of 2540	2640	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe	34
PID 2640 wrote to memory of 2540	2640	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe	34
PID 2640 wrote to memory of 2540	2640	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe	34
PID 2640 wrote to memory of 2540	2640	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe	34

C:\Users\Admin\AppData\Local\Temp\f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2128
- C:\Users\Admin\AppData\Local\Temp\f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f42e394da602e24e0caf22cc16b9a587_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
  - Suspicious use of WriteProcessMemory
  PID:2640
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "ISS Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2DB5.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2068
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "ISS Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2E71.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2540

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

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\tmp2DB5.tmp

Filesize
1KB

MD5
e995c40e0fabee995bf8e5335db85e1e

SHA1
34defa3c4b444f7afcc9815990c5abbdfa4db99a

SHA256
0f2b1c3226a9dabb92f6c5d6964ed9b0e3dee3f3f93fac05dbb3983cc0d395c7

SHA512
7e41e1ddbc6496d6e357f6e9b1071c02ffdc387e2b2d9223e6d0d5d70d0cf756bedc682a7d7c57be5373850b2bffbe1e8dd16fdb6a0b890d3b4e4ec725cb2769

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2E71.tmp

Filesize
1KB

MD5
3d1580c0395f6de62659467f5b7f1acf

SHA1
8e73a3885896cecca7ff799a272fc9ddfe06ea96

SHA256
6f40196c42a171f24a3e16edeca664cdc5a2f7c150d468255b0e14ab10a2b714

SHA512
7637c0d9b03227dffcb00a68d97ddce60bfc40ca0f8a7a4bbd700ea56be6d570908511dea5cab9f609a7da2e558e5298c482fd1e330af085f9c52867d5a847ea

Download Submit
memory/2128-0-0x000000007489E000-0x000000007489F000-memory.dmp

Filesize
4KB

Download
memory/2128-1-0x0000000000810000-0x00000000008F2000-memory.dmp

Filesize
904KB

Download
memory/2128-2-0x00000000049C0000-0x0000000004A66000-memory.dmp

Filesize
664KB

Download
memory/2128-3-0x0000000074890000-0x0000000074F7E000-memory.dmp

Filesize
6.9MB

Download
memory/2128-4-0x00000000004C0000-0x00000000004D6000-memory.dmp

Filesize
88KB

Download
memory/2128-5-0x000000007489E000-0x000000007489F000-memory.dmp

Filesize
4KB

Download
memory/2128-6-0x0000000074890000-0x0000000074F7E000-memory.dmp

Filesize
6.9MB

Download
memory/2128-7-0x00000000069A0000-0x0000000006A48000-memory.dmp

Filesize
672KB

Download
memory/2128-8-0x0000000001F90000-0x0000000001FCA000-memory.dmp

Filesize
232KB

Download
memory/2128-22-0x0000000074890000-0x0000000074F7E000-memory.dmp

Filesize
6.9MB

Download
memory/2640-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2640-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2640-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2640-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2640-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2640-24-0x0000000074890000-0x0000000074F7E000-memory.dmp

Filesize
6.9MB

Download
memory/2640-23-0x0000000074890000-0x0000000074F7E000-memory.dmp

Filesize
6.9MB

Download
memory/2640-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2640-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2640-9-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2640-32-0x0000000000460000-0x000000000046A000-memory.dmp

Filesize
40KB

Download
memory/2640-33-0x00000000007E0000-0x00000000007FE000-memory.dmp

Filesize
120KB

Download
memory/2640-34-0x0000000000570000-0x000000000057A000-memory.dmp

Filesize
40KB

Download
memory/2640-35-0x0000000074890000-0x0000000074F7E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads