nanocore | 1d9780dabf0b298c8fe8ff4fe6a03d36a081c14b88e6495005e41ba84885a7ed

General

Target

Shipment For Pickup.exe
Size

912KB
MD5

1076379914dd47c1cd1207ac8505ae90
SHA1

37c66271605f8c24a783df69519e67c9ab06395b
SHA256

45d84e84e02a244ba45a371290ea833858f9a380fc145f8d0b7a89ea95956b5a
SHA512

7fa7d19811c462010e00cc39cb3e09fb9a3a82068fd3a7b7e86c04592f71ae6fb8aa8a353b7ce2ec5531a3eedbd8bd1c84ac487c8e9b8c524af95f089794c195
SSDEEP

24576:mBXu9HGaVHYK48pT/rwNJxy/p5L6UXf9:mw9VH1pT/i8H3X

Score

10^/10

nanocore evasion keylogger spyware stealer trojan upx

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

testwork.kozow.com:8906

Mutex

bd6fc7b5-d48b-4e23-98f7-784bd3ef305c

Attributes

activate_away_mode
true
backup_connection_host
testwork.kozow.com
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2019-02-16T16:47:25.218235636Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
8906
default_group
star
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
bd6fc7b5-d48b-4e23-98f7-784bd3ef305c
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
testwork.kozow.com
primary_dns_server
8.8.8.8
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

Drops startup file 1 IoCs

Processes:

Shipment For Pickup.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SettingSyncHost.url	Shipment For Pickup.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/1940-0-0x00000000009B0000-0x0000000000BA4000-memory.dmp	upx
behavioral1/memory/1940-18-0x00000000009B0000-0x0000000000BA4000-memory.dmp	upx
behavioral1/memory/1940-19-0x00000000009B0000-0x0000000000BA4000-memory.dmp	upx
behavioral1/memory/1940-29-0x00000000009B0000-0x0000000000BA4000-memory.dmp	upx

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

RegAsm.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA RegAsm.exe

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

AutoIT Executable 3 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
behavioral1/memory/1940-18-0x00000000009B0000-0x0000000000BA4000-memory.dmp	autoit_exe
behavioral1/memory/1940-19-0x00000000009B0000-0x0000000000BA4000-memory.dmp	autoit_exe
behavioral1/memory/1940-29-0x00000000009B0000-0x0000000000BA4000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Shipment For Pickup.exe

description pid process target process

PID 1940 set thread context of 2188 1940 Shipment For Pickup.exe RegAsm.exe

description	pid	process	target process
PID 1940 set thread context of 2188	1940	Shipment For Pickup.exe	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

Shipment For Pickup.exe

pid	process
1940	Shipment For Pickup.exe
1940	Shipment For Pickup.exe
1940	Shipment For Pickup.exe
1940	Shipment For Pickup.exe
1940	Shipment For Pickup.exe
1940	Shipment For Pickup.exe
1940	Shipment For Pickup.exe
1940	Shipment For Pickup.exe
1940	Shipment For Pickup.exe
1940	Shipment For Pickup.exe
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1940	Shipment For Pickup.exe
1940	Shipment For Pickup.exe
1940	Shipment For Pickup.exe
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1940	Shipment For Pickup.exe
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1940	Shipment For Pickup.exe
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1940	Shipment For Pickup.exe
1940	Shipment For Pickup.exe
1940	Shipment For Pickup.exe
1940	Shipment For Pickup.exe
1940	Shipment For Pickup.exe
1940	Shipment For Pickup.exe
1940	Shipment For Pickup.exe
1940	Shipment For Pickup.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegAsm.exe

pid process

2188 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 2188 RegAsm.exe
Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

Shipment For Pickup.exe

pid process

1940 Shipment For Pickup.exe
1940 Shipment For Pickup.exe
1940 Shipment For Pickup.exe
Suspicious use of SendNotifyMessage 3 IoCs

Processes:

Shipment For Pickup.exe

pid process

1940 Shipment For Pickup.exe
1940 Shipment For Pickup.exe
1940 Shipment For Pickup.exe

pid	process
2188	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	2188	RegAsm.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Shipment For Pickup.exe

description	pid	process	target process
PID 1940 wrote to memory of 2188	1940	Shipment For Pickup.exe	RegAsm.exe
PID 1940 wrote to memory of 2188	1940	Shipment For Pickup.exe	RegAsm.exe
PID 1940 wrote to memory of 2188	1940	Shipment For Pickup.exe	RegAsm.exe
PID 1940 wrote to memory of 2188	1940	Shipment For Pickup.exe	RegAsm.exe
PID 1940 wrote to memory of 2188	1940	Shipment For Pickup.exe	RegAsm.exe
PID 1940 wrote to memory of 2188	1940	Shipment For Pickup.exe	RegAsm.exe
PID 1940 wrote to memory of 2188	1940	Shipment For Pickup.exe	RegAsm.exe
PID 1940 wrote to memory of 2188	1940	Shipment For Pickup.exe	RegAsm.exe
PID 1940 wrote to memory of 2188	1940	Shipment For Pickup.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\Shipment For Pickup.exe
"C:\Users\Admin\AppData\Local\Temp\Shipment For Pickup.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1940

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
2⤵
- Checks whether UAC is enabled
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2188

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

memory/1940-15-0x0000000000260000-0x0000000000264000-memory.dmp

Filesize
16KB

Download
memory/1940-29-0x00000000009B0000-0x0000000000BA4000-memory.dmp

Filesize
2.0MB

Download
memory/1940-21-0x0000000000260000-0x0000000000264000-memory.dmp

Filesize
16KB

Download
memory/1940-0-0x00000000009B0000-0x0000000000BA4000-memory.dmp

Filesize
2.0MB

Download
memory/1940-19-0x00000000009B0000-0x0000000000BA4000-memory.dmp

Filesize
2.0MB

Download
memory/1940-18-0x00000000009B0000-0x0000000000BA4000-memory.dmp

Filesize
2.0MB

Download
memory/2188-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2188-16-0x00000000745F2000-0x00000000745F4000-memory.dmp

Filesize
8KB

Download
memory/2188-7-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2188-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2188-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2188-22-0x00000000745F2000-0x00000000745F4000-memory.dmp

Filesize
8KB

Download
memory/2188-6-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads