nanocore | 09227712662d5f428cabf6507ea374d41aeb786cab6b87e39a57b768a641d6ea

General

Target

412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe
Size

629KB
MD5

412e4da499408460c37e1dbae4ef079d
SHA1

2b1a36c55c0507d1f93dde74ad55a9c80bc9a3b9
SHA256

09227712662d5f428cabf6507ea374d41aeb786cab6b87e39a57b768a641d6ea
SHA512

1503ed00a8e87a628112d58bc0ef79a6099bb123f5d7277f9ee1e1d081e83ffa14ea856ab568dd5f69f6e41c9abd8de3615b37aed82931c7564f7ee1dca96562
SSDEEP

12288:105RES+3WT6FdYmBC+ahE2b0du4fd0XAoFY3qnM6eeX:OQ306smBnaeB0XAozL3X

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

new2021.myq-see.com:2021

185.140.53.138:2021

Mutex

4e93981f-5ccc-40a6-ab4d-8d13e34d915c

Attributes

activate_away_mode
true
backup_connection_host
185.140.53.138
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-10-16T08:01:24.315081336Z
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
2021
default_group
2021
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
4e93981f-5ccc-40a6-ab4d-8d13e34d915c
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
new2021.myq-see.com
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

Processes:

412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WAN Service = "C:\\Program Files (x86)\\WAN Service\\wansvc.exe"	412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe

description	pid	process	target process
PID 2252 set thread context of 2580	2252	412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe	412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe

Drops file in Program Files directory 2 IoCs

Processes:

412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe

description	ioc	process
File created	C:\Program Files (x86)\WAN Service\wansvc.exe	412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\WAN Service\wansvc.exe	412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence execution

Scheduled Task
T1053.005

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid process

2552 schtasks.exe
2556 schtasks.exe
2968 schtasks.exe

pid	process
2552	schtasks.exe
2556	schtasks.exe
2968	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe

pid	process
2252	412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe
2580	412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe
2580	412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe
2580	412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe

pid process

2580 412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe

pid	process
2580	412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	2252	412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe
Token: SeDebugPrivilege	2580	412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe

description	pid	process	target process
PID 2252 wrote to memory of 2552	2252	412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe	schtasks.exe
PID 2252 wrote to memory of 2552	2252	412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe	schtasks.exe
PID 2252 wrote to memory of 2552	2252	412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe	schtasks.exe
PID 2252 wrote to memory of 2552	2252	412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe	schtasks.exe
PID 2252 wrote to memory of 2580	2252	412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe	412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe
PID 2252 wrote to memory of 2580	2252	412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe	412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe
PID 2252 wrote to memory of 2580	2252	412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe	412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe
PID 2252 wrote to memory of 2580	2252	412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe	412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe
PID 2252 wrote to memory of 2580	2252	412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe	412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe
PID 2252 wrote to memory of 2580	2252	412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe	412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe
PID 2252 wrote to memory of 2580	2252	412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe	412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe
PID 2252 wrote to memory of 2580	2252	412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe	412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe
PID 2252 wrote to memory of 2580	2252	412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe	412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe
PID 2580 wrote to memory of 2556	2580	412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe	schtasks.exe
PID 2580 wrote to memory of 2556	2580	412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe	schtasks.exe
PID 2580 wrote to memory of 2556	2580	412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe	schtasks.exe
PID 2580 wrote to memory of 2556	2580	412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe	schtasks.exe
PID 2580 wrote to memory of 2968	2580	412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe	schtasks.exe
PID 2580 wrote to memory of 2968	2580	412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe	schtasks.exe
PID 2580 wrote to memory of 2968	2580	412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe	schtasks.exe
PID 2580 wrote to memory of 2968	2580	412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\412e4da499408460c37e1dbae4ef079d_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2252

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RwurLTccEUUS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8C39.tmp"
2⤵
- Scheduled Task/Job: Scheduled Task
PID:2552

C:\Users\Admin\AppData\Local\Temp\412e4da499408460c37e1dbae4ef079d_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:2580

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "WAN Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8E3B.tmp"
3⤵
- Scheduled Task/Job: Scheduled Task
PID:2556

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "WAN Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8E8A.tmp"
3⤵
- Scheduled Task/Job: Scheduled Task
PID:2968

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp8C39.tmp
Filesize
1KB

MD5
1c977acd736b9314273a4ba7fdf6a287

SHA1
053036d6020c35c5a0b1d01f6916634db8d3f874

SHA256
ed46908709d09bc9be23690e78978cce6667445096304725e28e87e78d55b8e1

SHA512
233d120a56aca0a5b57ae89f6fa3e09644c0e52904f654e19e930c08b025505508f6d608a9dea18746ee982b93ae41489d8b09ff927e7314be13a6cec587d190

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8E3B.tmp
Filesize
1KB

MD5
05283d237df6b291c3f6f499e990a65e

SHA1
b154b44711a76b0d8d6053d3db079a815834903d

SHA256
844ab46c80239bbe93bfb6200eff10fedac962c6d5f792be09009e2764499130

SHA512
91e82d378c0fa5e5bcf50d5cf3463e23e7efff8e127b793a2f01ba6680fa0a8267049ac2e7c594f40f77b0df144efbb6a2784dc2a713838c7659d3de4ab48c14

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8E8A.tmp
Filesize
1KB

MD5
9f0deb7cf87b4ae4efde9cc98ff481db

SHA1
760265641ce176e555c64bedb494f6f75fd0bd27

SHA256
a57110ccf892c8ca9c9b28b2608f4d37a8b5df1bfcf1411e7c62b500e82fabda

SHA512
6517829d9a09df437a340485bb87183c7a80135a76296308120e0ab385f5ffa7369a2ace9655ffaf1c594869cc6a20015520b6b0c681217b641b3c58127a29de

Download Submit
memory/2252-0-0x000000007463E000-0x000000007463F000-memory.dmp

Filesize
4KB

Download
memory/2252-1-0x00000000002F0000-0x0000000000394000-memory.dmp

Filesize
656KB

Download
memory/2252-2-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2252-3-0x0000000000790000-0x00000000007A2000-memory.dmp

Filesize
72KB

Download
memory/2252-4-0x000000007463E000-0x000000007463F000-memory.dmp

Filesize
4KB

Download
memory/2252-5-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2252-6-0x0000000007B70000-0x0000000007BFE000-memory.dmp

Filesize
568KB

Download
memory/2252-23-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2580-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2580-25-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2580-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2580-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2580-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2580-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2580-24-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2580-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2580-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2580-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2580-33-0x00000000004F0000-0x00000000004FA000-memory.dmp

Filesize
40KB

Download
memory/2580-34-0x0000000000590000-0x00000000005AE000-memory.dmp

Filesize
120KB

Download
memory/2580-35-0x0000000000500000-0x000000000050A000-memory.dmp

Filesize
40KB

Download
memory/2580-36-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2580-37-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads