nanocore | 1caa0c0cf4ebf43877c706c82a15ef218e09063e1e5d6a806b625f8a0e5e3b0d

General

Target

RFQ_PO_5638828111.pdf Img in.exe
Size

450KB
MD5

e7258dccdfef178b604b129967ae3091
SHA1

7ea24dd9756999e4c7ee0620fb2f9750bee23077
SHA256

6d6f5f18b3a61dc596b10fbca17969aa9e8b2d771af6b9084977e0dfa70ff6e6
SHA512

2424ed2d515498068c87ccf788741c126d33b46d0cb787fff8183179d73e095e051235ca9e7f6bf5791c5c76d2039154f405a08961f336bfe7b688e2fb66c801

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

sandshoe.myfirewall.org:5654

79.134.225.85:5654

Mutex

b234c25f-62f0-47ae-8f27-8aa17107a06f

Attributes

activate_away_mode
true
backup_connection_host
79.134.225.85
backup_dns_server
sandshoe.myfirewall.org
buffer_size
65535
build_time
2020-05-29T06:46:02.017119936Z
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
5654
default_group
SAND
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
b234c25f-62f0-47ae-8f27-8aa17107a06f
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
sandshoe.myfirewall.org
primary_dns_server
79.134.225.85
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
true
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 3 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.

Processes:

description ioc

Destination IP 79.134.225.85
Destination IP 79.134.225.85
Destination IP 79.134.225.85

description	ioc
Destination IP	79.134.225.85
Destination IP	79.134.225.85
Destination IP	79.134.225.85

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

RFQ_PO_5638828111.pdf Img in.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	RFQ_PO_5638828111.pdf Img in.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

RFQ_PO_5638828111.pdf Img in.exe

description	pid	process	target process
PID 1260 set thread context of 2000	1260	RFQ_PO_5638828111.pdf Img in.exe	RFQ_PO_5638828111.pdf Img in.exe

Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1760 schtasks.exe

pid	process
1760	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

RFQ_PO_5638828111.pdf Img in.exeRFQ_PO_5638828111.pdf Img in.exe

pid	process
1260	RFQ_PO_5638828111.pdf Img in.exe
1260	RFQ_PO_5638828111.pdf Img in.exe
2000	RFQ_PO_5638828111.pdf Img in.exe
2000	RFQ_PO_5638828111.pdf Img in.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RFQ_PO_5638828111.pdf Img in.exe

pid process

2000 RFQ_PO_5638828111.pdf Img in.exe

pid	process
2000	RFQ_PO_5638828111.pdf Img in.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

RFQ_PO_5638828111.pdf Img in.exeRFQ_PO_5638828111.pdf Img in.exe

description	pid	process
Token: SeDebugPrivilege	1260	RFQ_PO_5638828111.pdf Img in.exe
Token: SeDebugPrivilege	2000	RFQ_PO_5638828111.pdf Img in.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

RFQ_PO_5638828111.pdf Img in.exeRFQ_PO_5638828111.pdf Img in.exe

description	pid	process	target process
PID 1260 wrote to memory of 2000	1260	RFQ_PO_5638828111.pdf Img in.exe	RFQ_PO_5638828111.pdf Img in.exe
PID 1260 wrote to memory of 2000	1260	RFQ_PO_5638828111.pdf Img in.exe	RFQ_PO_5638828111.pdf Img in.exe
PID 1260 wrote to memory of 2000	1260	RFQ_PO_5638828111.pdf Img in.exe	RFQ_PO_5638828111.pdf Img in.exe
PID 1260 wrote to memory of 2000	1260	RFQ_PO_5638828111.pdf Img in.exe	RFQ_PO_5638828111.pdf Img in.exe
PID 1260 wrote to memory of 2000	1260	RFQ_PO_5638828111.pdf Img in.exe	RFQ_PO_5638828111.pdf Img in.exe
PID 1260 wrote to memory of 2000	1260	RFQ_PO_5638828111.pdf Img in.exe	RFQ_PO_5638828111.pdf Img in.exe
PID 1260 wrote to memory of 2000	1260	RFQ_PO_5638828111.pdf Img in.exe	RFQ_PO_5638828111.pdf Img in.exe
PID 1260 wrote to memory of 2000	1260	RFQ_PO_5638828111.pdf Img in.exe	RFQ_PO_5638828111.pdf Img in.exe
PID 1260 wrote to memory of 2000	1260	RFQ_PO_5638828111.pdf Img in.exe	RFQ_PO_5638828111.pdf Img in.exe
PID 2000 wrote to memory of 1760	2000	RFQ_PO_5638828111.pdf Img in.exe	schtasks.exe
PID 2000 wrote to memory of 1760	2000	RFQ_PO_5638828111.pdf Img in.exe	schtasks.exe
PID 2000 wrote to memory of 1760	2000	RFQ_PO_5638828111.pdf Img in.exe	schtasks.exe
PID 2000 wrote to memory of 1760	2000	RFQ_PO_5638828111.pdf Img in.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\RFQ_PO_5638828111.pdf Img in.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ_PO_5638828111.pdf Img in.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1260

C:\Users\Admin\AppData\Local\Temp\RFQ_PO_5638828111.pdf Img in.exe
"{path}"
2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2000

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DSL Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB175.tmp"
3⤵
- Creates scheduled task(s)
PID:1760

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpB175.tmp
Filesize
1KB

MD5
4ed77c33e2d6d1a4c2034e26dad92c35

SHA1
4d98aa55896779c137fd691a18206e1249ad3d43

SHA256
0809af7c4b77af123d19daa7ecd22aa4b4f2549e5f2b01e896b945a4c211ef5d

SHA512
baaf046b32b1744be0263b5d163cc2bda1494169d8e8c29d044a916e58d9b3fd3a62b1fe660c2232c39ffc0bed2339044bc75e83f3d0f5a799f89b084a2a2d23

Download Submit
memory/1260-54-0x0000000000DB0000-0x0000000000E26000-memory.dmp

Filesize
472KB

Download
memory/1260-55-0x00000000753C1000-0x00000000753C3000-memory.dmp

Filesize
8KB

Download
memory/1260-56-0x0000000000370000-0x000000000037A000-memory.dmp

Filesize
40KB

Download
memory/1260-57-0x00000000048D0000-0x000000000492E000-memory.dmp

Filesize
376KB

Download
memory/1260-58-0x00000000004C0000-0x00000000004F8000-memory.dmp

Filesize
224KB

Download
memory/1760-72-0x0000000000000000-mapping.dmp

Download
memory/2000-63-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2000-62-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2000-65-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2000-66-0x000000000041E792-mapping.dmp

Download
memory/2000-68-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2000-70-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2000-60-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2000-59-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2000-74-0x00000000003D0000-0x00000000003DA000-memory.dmp

Filesize
40KB

Download
memory/2000-75-0x00000000003E0000-0x00000000003FE000-memory.dmp

Filesize
120KB

Download
memory/2000-76-0x0000000000440000-0x000000000044A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads