nanocore | 99e2ada1e526ab69f7fcfe2927ec1c038c1e0b30d31f9a2198b73fa38369a10f

Analysis

max time kernel
121s
max time network
149s
platform
windows7_x64
resource
win7-en-20211208
submitted
01/02/2022, 15:01

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
Purchase order2122-signed.exe
Size 596KB
Sample220201-sdzy8agfa3
SHA256 99e2ada1e526ab69f7fcfe2927ec1c038c1e0b30d31f9a2198b73fa38369a10f
MD5 86b747fcf24044c781998416b5073da7
SHA1 11bf76e534425ac748632d7a15f47df1bb21de4b
SHA512 b1ed2d8236882ad5d240c26cc2d2a006b70947c1be7411ebf754d964aece25ca0ed02ae2d742233bb4b40fd63a80bb9293d43676f3d2e3363f3d48a790354b6b
MD5 SHA1 SHA512

Score

10^/10

nanocore keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

obeyice4rm392.bounceme.net:8951
127.0.0.1:8951

Mutex

4e29a8bb-dfac-486d-bad5-69419c494d3c

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-11-13T01:51:57.798890236Z
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
8951
default_group
ELAQEXE
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
4e29a8bb-dfac-486d-bad5-69419c494d3c
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
obeyice4rm392.bounceme.net
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

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\SAAS Monitor = "C:\\Program Files (x86)\\SAAS Monitor\\saasmon.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1700 set thread context of 1828	1700	Purchase order2122-signed.exe	31

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\SAAS Monitor\saasmon.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\SAAS Monitor\saasmon.exe	RegSvcs.exe

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

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

T1053

pid	Process
1320	schtasks.exe
1836	schtasks.exe
1088	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
1700	Purchase order2122-signed.exe
1700	Purchase order2122-signed.exe
668	powershell.exe
1828	RegSvcs.exe
1828	RegSvcs.exe
1828	RegSvcs.exe
1828	RegSvcs.exe
1828	RegSvcs.exe
1828	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1828	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1700	Purchase order2122-signed.exe
Token: SeDebugPrivilege	668	powershell.exe
Token: SeDebugPrivilege	1828	RegSvcs.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 1700 wrote to memory of 668	1700	Purchase order2122-signed.exe	27
PID 1700 wrote to memory of 668	1700	Purchase order2122-signed.exe	27
PID 1700 wrote to memory of 668	1700	Purchase order2122-signed.exe	27
PID 1700 wrote to memory of 668	1700	Purchase order2122-signed.exe	27
PID 1700 wrote to memory of 1320	1700	Purchase order2122-signed.exe	29
PID 1700 wrote to memory of 1320	1700	Purchase order2122-signed.exe	29
PID 1700 wrote to memory of 1320	1700	Purchase order2122-signed.exe	29
PID 1700 wrote to memory of 1320	1700	Purchase order2122-signed.exe	29
PID 1700 wrote to memory of 1828	1700	Purchase order2122-signed.exe	31
PID 1700 wrote to memory of 1828	1700	Purchase order2122-signed.exe	31
PID 1700 wrote to memory of 1828	1700	Purchase order2122-signed.exe	31
PID 1700 wrote to memory of 1828	1700	Purchase order2122-signed.exe	31
PID 1700 wrote to memory of 1828	1700	Purchase order2122-signed.exe	31
PID 1700 wrote to memory of 1828	1700	Purchase order2122-signed.exe	31
PID 1700 wrote to memory of 1828	1700	Purchase order2122-signed.exe	31
PID 1700 wrote to memory of 1828	1700	Purchase order2122-signed.exe	31
PID 1700 wrote to memory of 1828	1700	Purchase order2122-signed.exe	31
PID 1700 wrote to memory of 1828	1700	Purchase order2122-signed.exe	31
PID 1700 wrote to memory of 1828	1700	Purchase order2122-signed.exe	31
PID 1700 wrote to memory of 1828	1700	Purchase order2122-signed.exe	31
PID 1828 wrote to memory of 1836	1828	RegSvcs.exe	32
PID 1828 wrote to memory of 1836	1828	RegSvcs.exe	32
PID 1828 wrote to memory of 1836	1828	RegSvcs.exe	32
PID 1828 wrote to memory of 1836	1828	RegSvcs.exe	32
PID 1828 wrote to memory of 1088	1828	RegSvcs.exe	34
PID 1828 wrote to memory of 1088	1828	RegSvcs.exe	34
PID 1828 wrote to memory of 1088	1828	RegSvcs.exe	34
PID 1828 wrote to memory of 1088	1828	RegSvcs.exe	34

C:\Users\Admin\AppData\Local\Temp\Purchase order2122-signed.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase order2122-signed.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1700
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SckCSTdAlKVy.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:668
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SckCSTdAlKVy" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9DE5.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1320
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\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:1828
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SAAS Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA4F6.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:1836
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SAAS Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA65E.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:1088

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/668-73-0x0000000002230000-0x0000000002E7A000-memory.dmp

Download

memory/668-71-0x0000000002230000-0x0000000002E7A000-memory.dmp

Download

memory/668-69-0x0000000002230000-0x0000000002E7A000-memory.dmp

Download

memory/1700-55-0x0000000075601000-0x0000000075603000-memory.dmp

Download

memory/1700-56-0x00000000048A0000-0x00000000048A1000-memory.dmp

Download

memory/1700-57-0x00000000004B0000-0x00000000004C4000-memory.dmp

Download

memory/1700-58-0x00000000056F0000-0x000000000575C000-memory.dmp

Download

memory/1700-54-0x0000000000F00000-0x0000000000F9C000-memory.dmp

Download

memory/1828-63-0x0000000000400000-0x0000000000438000-memory.dmp

Download

memory/1828-78-0x0000000000610000-0x000000000061C000-memory.dmp

Download

memory/1828-65-0x0000000000400000-0x0000000000438000-memory.dmp

Download

memory/1828-70-0x0000000004DC0000-0x0000000004DC1000-memory.dmp

Download

memory/1828-64-0x0000000000400000-0x0000000000438000-memory.dmp

Download

memory/1828-62-0x0000000000400000-0x0000000000438000-memory.dmp

Download

memory/1828-61-0x0000000000400000-0x0000000000438000-memory.dmp

Download

memory/1828-74-0x00000000003E0000-0x00000000003EA000-memory.dmp

Download

memory/1828-75-0x0000000000660000-0x000000000067E000-memory.dmp

Download

memory/1828-76-0x00000000003F0000-0x00000000003FA000-memory.dmp

Download

memory/1828-77-0x0000000004DC5000-0x0000000004DD6000-memory.dmp

Download

memory/1828-66-0x0000000000400000-0x0000000000438000-memory.dmp

Download

memory/1828-79-0x0000000000680000-0x000000000069A000-memory.dmp

Download

memory/1828-80-0x0000000000730000-0x000000000073E000-memory.dmp

Download

memory/1828-81-0x0000000000740000-0x0000000000752000-memory.dmp

Download

memory/1828-82-0x0000000000B80000-0x0000000000B8E000-memory.dmp

Download

memory/1828-83-0x0000000000D10000-0x0000000000D1C000-memory.dmp

Download

memory/1828-84-0x0000000000D20000-0x0000000000D34000-memory.dmp

Download

memory/1828-85-0x00000000011E0000-0x00000000011F0000-memory.dmp

Download

memory/1828-86-0x0000000001230000-0x0000000001244000-memory.dmp

Download

memory/1828-87-0x0000000001280000-0x000000000128E000-memory.dmp

Download

memory/1828-88-0x0000000001360000-0x000000000138E000-memory.dmp

Download

memory/1828-89-0x0000000001390000-0x00000000013A4000-memory.dmp

Download