nanocore | cb9b9f8d8cac9d52e977d07db47ea77dac2ea3c15054c628036c080e3c40ec12

General

Target

Proforma invoice no.SWR-2021PI011-thailand.scr
Size

641KB
MD5

ddb4202e9c820a4abf3d8429410e299d
SHA1

be01ad74c6b2c4e70c69c8e1a02c0ea3098c690c
SHA256

2fe6ae2a3d5969fbaf2134c6f48c019bb4daff1d1f3c63a5c30fa1e380b6664f
SHA512

d450f5ff463da4e2bfac14e58c6749fd1b9632b9bc071df994594b26a9af13e030b33ef83002a20b8b6c667799ddefb31f7029220199f1d857f940504d5d1295
SSDEEP

12288:PfR8MkASBIXTfC+DVyrgMoZepxNCsHIeaDgwGnCSVfU+dYprLK:x8MaBroExNCsHIBDgRCSVfU+dYpr

Score

10^/10

nanocore keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

185.140.53.75:97

Mutex

75237636-ccfc-402a-827d-5ad01371659e

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-07-24T01:53:34.394429836Z
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
97
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
75237636-ccfc-402a-827d-5ad01371659e
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
185.140.53.75
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:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\TCP Service = "C:\\Program Files (x86)\\TCP Service\\tcpsv.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Proforma invoice no.SWR-2021PI011-thailand.scr

description pid process target process

PID 2184 set thread context of 2784 2184 Proforma invoice no.SWR-2021PI011-thailand.scr RegSvcs.exe

description	pid	process	target process
PID 2184 set thread context of 2784	2184	Proforma invoice no.SWR-2021PI011-thailand.scr	RegSvcs.exe

Drops file in Program Files directory 2 IoCs

Processes:

RegSvcs.exe

description	ioc	process
File created	C:\Program Files (x86)\TCP Service\tcpsv.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\TCP Service\tcpsv.exe	RegSvcs.exe

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

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid process

2928 schtasks.exe
2852 schtasks.exe
2764 schtasks.exe

pid	process
2928	schtasks.exe
2852	schtasks.exe
2764	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

Proforma invoice no.SWR-2021PI011-thailand.scrpowershell.exeRegSvcs.exe

pid	process
2184	Proforma invoice no.SWR-2021PI011-thailand.scr
2184	Proforma invoice no.SWR-2021PI011-thailand.scr
2932	powershell.exe
2784	RegSvcs.exe
2784	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

2784 RegSvcs.exe

pid	process
2784	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Proforma invoice no.SWR-2021PI011-thailand.scrpowershell.exeRegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	2184	Proforma invoice no.SWR-2021PI011-thailand.scr
Token: SeDebugPrivilege	2932	powershell.exe
Token: SeDebugPrivilege	2784	RegSvcs.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

Proforma invoice no.SWR-2021PI011-thailand.scrRegSvcs.exe

description	pid	process	target process
PID 2184 wrote to memory of 2932	2184	Proforma invoice no.SWR-2021PI011-thailand.scr	powershell.exe
PID 2184 wrote to memory of 2932	2184	Proforma invoice no.SWR-2021PI011-thailand.scr	powershell.exe
PID 2184 wrote to memory of 2932	2184	Proforma invoice no.SWR-2021PI011-thailand.scr	powershell.exe
PID 2184 wrote to memory of 2932	2184	Proforma invoice no.SWR-2021PI011-thailand.scr	powershell.exe
PID 2184 wrote to memory of 2928	2184	Proforma invoice no.SWR-2021PI011-thailand.scr	schtasks.exe
PID 2184 wrote to memory of 2928	2184	Proforma invoice no.SWR-2021PI011-thailand.scr	schtasks.exe
PID 2184 wrote to memory of 2928	2184	Proforma invoice no.SWR-2021PI011-thailand.scr	schtasks.exe
PID 2184 wrote to memory of 2928	2184	Proforma invoice no.SWR-2021PI011-thailand.scr	schtasks.exe
PID 2184 wrote to memory of 2784	2184	Proforma invoice no.SWR-2021PI011-thailand.scr	RegSvcs.exe
PID 2184 wrote to memory of 2784	2184	Proforma invoice no.SWR-2021PI011-thailand.scr	RegSvcs.exe
PID 2184 wrote to memory of 2784	2184	Proforma invoice no.SWR-2021PI011-thailand.scr	RegSvcs.exe
PID 2184 wrote to memory of 2784	2184	Proforma invoice no.SWR-2021PI011-thailand.scr	RegSvcs.exe
PID 2184 wrote to memory of 2784	2184	Proforma invoice no.SWR-2021PI011-thailand.scr	RegSvcs.exe
PID 2184 wrote to memory of 2784	2184	Proforma invoice no.SWR-2021PI011-thailand.scr	RegSvcs.exe
PID 2184 wrote to memory of 2784	2184	Proforma invoice no.SWR-2021PI011-thailand.scr	RegSvcs.exe
PID 2184 wrote to memory of 2784	2184	Proforma invoice no.SWR-2021PI011-thailand.scr	RegSvcs.exe
PID 2184 wrote to memory of 2784	2184	Proforma invoice no.SWR-2021PI011-thailand.scr	RegSvcs.exe
PID 2184 wrote to memory of 2784	2184	Proforma invoice no.SWR-2021PI011-thailand.scr	RegSvcs.exe
PID 2184 wrote to memory of 2784	2184	Proforma invoice no.SWR-2021PI011-thailand.scr	RegSvcs.exe
PID 2184 wrote to memory of 2784	2184	Proforma invoice no.SWR-2021PI011-thailand.scr	RegSvcs.exe
PID 2784 wrote to memory of 2852	2784	RegSvcs.exe	schtasks.exe
PID 2784 wrote to memory of 2852	2784	RegSvcs.exe	schtasks.exe
PID 2784 wrote to memory of 2852	2784	RegSvcs.exe	schtasks.exe
PID 2784 wrote to memory of 2852	2784	RegSvcs.exe	schtasks.exe
PID 2784 wrote to memory of 2764	2784	RegSvcs.exe	schtasks.exe
PID 2784 wrote to memory of 2764	2784	RegSvcs.exe	schtasks.exe
PID 2784 wrote to memory of 2764	2784	RegSvcs.exe	schtasks.exe
PID 2784 wrote to memory of 2764	2784	RegSvcs.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\Proforma invoice no.SWR-2021PI011-thailand.scr
"C:\Users\Admin\AppData\Local\Temp\Proforma invoice no.SWR-2021PI011-thailand.scr" /S
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2184

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Proforma invoice no.SWR-2021PI011-thailand.scr"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2932

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YpERQbIAzbRggg" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA554.tmp"
2⤵
- Creates scheduled task(s)
PID:2928

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
2⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2784

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "TCP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA63E.tmp"
3⤵
- Creates scheduled task(s)
PID:2852

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "TCP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA6AC.tmp"
3⤵
- Creates scheduled task(s)
PID:2764

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

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\tmpA63E.tmp
Filesize
1KB

MD5
40b11ef601fb28f9b2e69d36857bf2ec

SHA1
b6454020ad2ceed193f4792b77001d0bd741b370

SHA256
c51e12d18cc664425f6711d8ae2507068884c7057092cfa11884100e1e9d49e1

SHA512
e3c5bcc714cbfca4b8058ddcddf231dcefa69c15881ce3f8123e59ed45cfb5da052b56e1945dcf8dc7f800d62f9a4eecb82bca69a66a1530787aeffeb15e2bd5

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA6AC.tmp
Filesize
1KB

MD5
93fc3117767507c9889abd12dc667d22

SHA1
1096e4cfa0c35756e3c3fb866c1e4c1e59115df9

SHA256
684997dd4ce15031cec8f2f93933b1d41d7bf5cbbff655dd64377b07055c449a

SHA512
e403348ee77bd3e7c45245dd5dae81c3ea130d5cf342f630982772ce5f75548b292013480e2831d68cf51349b64afde4589d4eec94b567d20f0a01e3b9549bdc

Download Submit
memory/2184-30-0x0000000074C80000-0x000000007522B000-memory.dmp

Filesize
5.7MB

Download
memory/2184-2-0x00000000022E0000-0x0000000002320000-memory.dmp

Filesize
256KB

Download
memory/2184-1-0x0000000074C80000-0x000000007522B000-memory.dmp

Filesize
5.7MB

Download
memory/2184-3-0x0000000074C80000-0x000000007522B000-memory.dmp

Filesize
5.7MB

Download
memory/2184-4-0x00000000022E0000-0x0000000002320000-memory.dmp

Filesize
256KB

Download
memory/2184-5-0x00000000022E0000-0x0000000002320000-memory.dmp

Filesize
256KB

Download
memory/2184-0-0x0000000074C80000-0x000000007522B000-memory.dmp

Filesize
5.7MB

Download
memory/2784-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2784-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2784-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2784-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2784-25-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2784-26-0x0000000074C80000-0x000000007522B000-memory.dmp

Filesize
5.7MB

Download
memory/2784-27-0x0000000000280000-0x00000000002C0000-memory.dmp

Filesize
256KB

Download
memory/2784-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2784-31-0x0000000074C80000-0x000000007522B000-memory.dmp

Filesize
5.7MB

Download
memory/2784-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2784-45-0x0000000000280000-0x00000000002C0000-memory.dmp

Filesize
256KB

Download
memory/2784-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2784-44-0x0000000000280000-0x00000000002C0000-memory.dmp

Filesize
256KB

Download
memory/2784-43-0x0000000074C80000-0x000000007522B000-memory.dmp

Filesize
5.7MB

Download
memory/2932-42-0x0000000074C80000-0x000000007522B000-memory.dmp

Filesize
5.7MB

Download
memory/2932-41-0x00000000001F0000-0x0000000000230000-memory.dmp

Filesize
256KB

Download
memory/2932-40-0x0000000074C80000-0x000000007522B000-memory.dmp

Filesize
5.7MB

Download
memory/2932-36-0x0000000074C80000-0x000000007522B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads