nanocore | 0e62e4cceadbe0a5b50309f73956bbd1cf51b345b1a4d324e66c10d00c3494d7

General

Target

shipping document.exe
Size

258KB
MD5

612dbb3e0e9540bd711321f239e6ae59
SHA1

2f3f519aa1dda89459173f4d4df7b1a9edeb545f
SHA256

68035b3c8c61cb3fd66d50c97af1167418e84d169aa6424364d1effa09598497
SHA512

c8358bc80ba266e6ea7369ae29251e7d6ed30eb83ba1ed28b0369cd2bd7f515373eab55838194ac0e12095c4c4359237ba359d3a2f8cbd3f5b1a3feda4b4edaf
SSDEEP

6144:DT9Tn0sHnkKY3gJ3oQrU3gFE4qt2/gMq0f06:DRT0sHi3g/IgqZ2/J

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

dengsman.duckdns.org:30201

127.0.0.1:30201

Mutex

68929715-1cd3-418e-9481-b31bf6322d48

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
37.235.1.177
buffer_size
65535
build_time
2018-04-15T16:24:33.310279636Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
30201
default_group
dengs
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
68929715-1cd3-418e-9481-b31bf6322d48
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
dengsman.duckdns.org
primary_dns_server
37.235.1.174
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
Executes dropped EXE 2 IoCs

Processes:

tmp.exesvhost.exe

pid process

2064 tmp.exe
2648 svhost.exe
Loads dropped DLL 4 IoCs

Processes:

shipping document.exe

pid process

616 shipping document.exe
616 shipping document.exe
616 shipping document.exe
616 shipping document.exe

pid	process
2064	tmp.exe
2648	svhost.exe

Unexpected DNS network traffic destination 7 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

Processes:

description	ioc
Destination IP	37.235.1.174
Destination IP	37.235.1.174
Destination IP	37.235.1.177
Destination IP	37.235.1.177
Destination IP	37.235.1.174
Destination IP	37.235.1.174
Destination IP	37.235.1.177

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

tmp.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ARP Host = "C:\\Program Files (x86)\\ARP Host\\arphost.exe"	tmp.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

tmp.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA tmp.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

shipping document.exe

description pid process target process

PID 616 set thread context of 2648 616 shipping document.exe svhost.exe

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

description	pid	process	target process
PID 616 set thread context of 2648	616	shipping document.exe	svhost.exe

Drops file in Program Files directory 2 IoCs

Processes:

tmp.exe

description	ioc	process
File created	C:\Program Files (x86)\ARP Host\arphost.exe	tmp.exe
File opened for modification	C:\Program Files (x86)\ARP Host\arphost.exe	tmp.exe

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

System Information Discovery
T1082
NTFS ADS 1 IoCs

Processes:

cmd.exe

description ioc process

File created C:\Users\Admin\AppData\Local\Temp\FolderN\vname.exe:Zone.Identifier cmd.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\FolderN\vname.exe:Zone.Identifier	cmd.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

shipping document.exetmp.exe

pid	process
616	shipping document.exe
616	shipping document.exe
616	shipping document.exe
616	shipping document.exe
2064	tmp.exe
2064	tmp.exe
2064	tmp.exe
616	shipping document.exe
616	shipping document.exe
616	shipping document.exe
616	shipping document.exe
616	shipping document.exe
616	shipping document.exe
616	shipping document.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

tmp.exe

pid process

2064 tmp.exe

pid	process
2064	tmp.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

shipping document.exetmp.exe

description	pid	process
Token: SeDebugPrivilege	616	shipping document.exe
Token: 33	616	shipping document.exe
Token: SeIncBasePriorityPrivilege	616	shipping document.exe
Token: SeDebugPrivilege	2064	tmp.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

shipping document.execmd.exe

description	pid	process	target process
PID 616 wrote to memory of 1804	616	shipping document.exe	cmd.exe
PID 616 wrote to memory of 1804	616	shipping document.exe	cmd.exe
PID 616 wrote to memory of 1804	616	shipping document.exe	cmd.exe
PID 616 wrote to memory of 1804	616	shipping document.exe	cmd.exe
PID 1804 wrote to memory of 2800	1804	cmd.exe	reg.exe
PID 1804 wrote to memory of 2800	1804	cmd.exe	reg.exe
PID 1804 wrote to memory of 2800	1804	cmd.exe	reg.exe
PID 1804 wrote to memory of 2800	1804	cmd.exe	reg.exe
PID 616 wrote to memory of 2064	616	shipping document.exe	tmp.exe
PID 616 wrote to memory of 2064	616	shipping document.exe	tmp.exe
PID 616 wrote to memory of 2064	616	shipping document.exe	tmp.exe
PID 616 wrote to memory of 2064	616	shipping document.exe	tmp.exe
PID 616 wrote to memory of 2648	616	shipping document.exe	svhost.exe
PID 616 wrote to memory of 2648	616	shipping document.exe	svhost.exe
PID 616 wrote to memory of 2648	616	shipping document.exe	svhost.exe
PID 616 wrote to memory of 2648	616	shipping document.exe	svhost.exe
PID 616 wrote to memory of 2648	616	shipping document.exe	svhost.exe
PID 616 wrote to memory of 2648	616	shipping document.exe	svhost.exe
PID 616 wrote to memory of 2648	616	shipping document.exe	svhost.exe
PID 616 wrote to memory of 2648	616	shipping document.exe	svhost.exe
PID 616 wrote to memory of 2648	616	shipping document.exe	svhost.exe

C:\Users\Admin\AppData\Local\Temp\shipping document.exe
"C:\Users\Admin\AppData\Local\Temp\shipping document.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:616

C:\Windows\SysWOW64\cmd.exe
"cmd.exe"
2⤵
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:1804

C:\Windows\SysWOW64\reg.exe
reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\FolderN\vname.exe.lnk" /f
3⤵
PID:2800

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
2⤵
- Executes dropped EXE
- 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
PID:2064

C:\Users\Admin\AppData\Local\Temp\svhost.exe
"C:\Users\Admin\AppData\Local\Temp\svhost.exe"
2⤵
- Executes dropped EXE
PID:2648

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\FolderN\vname.exe
Filesize
258KB

MD5
612dbb3e0e9540bd711321f239e6ae59

SHA1
2f3f519aa1dda89459173f4d4df7b1a9edeb545f

SHA256
68035b3c8c61cb3fd66d50c97af1167418e84d169aa6424364d1effa09598497

SHA512
c8358bc80ba266e6ea7369ae29251e7d6ed30eb83ba1ed28b0369cd2bd7f515373eab55838194ac0e12095c4c4359237ba359d3a2f8cbd3f5b1a3feda4b4edaf

Download Submit
C:\Users\Admin\AppData\Local\Temp\svhost.exe
Filesize
85KB

MD5
2e5f1cf69f92392f8829fc9c9263ae9b

SHA1
97b9ca766bbbdaa8c9ec960dc41b598f7fad82a5

SHA256
51985a57e085d8b17042f0cdc1f905380b792854733eb3275fd8fce4e3bb886b

SHA512
f7e096dd9d0fa3a3c04c01bf229c4b344798a4c8b7b848588c1d78cb9fadfa9b1d0fd53c1fe74d191d5561e9eb551a4a3fc918363f119ea60024dd3d67c83883

Download Submit
\Users\Admin\AppData\Local\Temp\tmp.exe
Filesize
202KB

MD5
780148d708a0dc38f4236938077bd24b

SHA1
a48c8e96c1138f01ffcbe32c0bc9c8fd455d5398

SHA256
1f71343d779b3d212243a90fc59658406b53a05b5f34fecb7bda4d6d36a2b713

SHA512
54840659439f2acfecf07af7a0a3fcf928537a1b7fea40dbfd11d31d4903ebe2df86a14dd33ada78b5f3e1961bb7bca7bafd9e512abd60f0e0f8233b607964bb

Download Submit
memory/616-1-0x0000000074080000-0x000000007462B000-memory.dmp

Filesize
5.7MB

Download
memory/616-2-0x0000000074080000-0x000000007462B000-memory.dmp

Filesize
5.7MB

Download
memory/616-48-0x0000000074080000-0x000000007462B000-memory.dmp

Filesize
5.7MB

Download
memory/616-0-0x0000000074081000-0x0000000074082000-memory.dmp

Filesize
4KB

Download
memory/2064-45-0x0000000074080000-0x000000007462B000-memory.dmp

Filesize
5.7MB

Download
memory/2064-44-0x0000000074080000-0x000000007462B000-memory.dmp

Filesize
5.7MB

Download
memory/2064-23-0x0000000074080000-0x000000007462B000-memory.dmp

Filesize
5.7MB

Download
memory/2064-49-0x0000000074080000-0x000000007462B000-memory.dmp

Filesize
5.7MB

Download
memory/2648-42-0x0000000000080000-0x00000000000B8000-memory.dmp

Filesize
224KB

Download
memory/2648-39-0x0000000000080000-0x00000000000B8000-memory.dmp

Filesize
224KB

Download
memory/2648-35-0x0000000000080000-0x00000000000B8000-memory.dmp

Filesize
224KB

Download
memory/2648-24-0x0000000000080000-0x00000000000B8000-memory.dmp

Filesize
224KB

Download
memory/2648-32-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2648-30-0x0000000000080000-0x00000000000B8000-memory.dmp

Filesize
224KB

Download
memory/2648-28-0x0000000000080000-0x00000000000B8000-memory.dmp

Filesize
224KB

Download
memory/2648-26-0x0000000000080000-0x00000000000B8000-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