nanocore | d4266b19a8fb226e3752a78f08c107a0035411d9e57c71fc03f1dec2c5ff5c51

Analysis

max time kernel
163s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
04/10/2022, 14:51

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General

Target

D4266B19A8FB226E3752A78F08C107A0035411D9E57C7.exe
Size

396KB
MD5

b9566497fc8c54c88a3d06191a8d28f7
SHA1

95a5e9792031a5343f2a168f8ece65f88c408312
SHA256

d4266b19a8fb226e3752a78f08c107a0035411d9e57c71fc03f1dec2c5ff5c51
SHA512

1e40d7ab66eddeb02498e13f9287493c9816726ff2cd62250261ef67cc29c11e8471e8dd6dc82598c01bf790f328330026d19f5631ac145d78e5f2939858d0a3
SSDEEP

12288:zH2l6/gBZolMcbKBVZxejQIQkTV1exXFbihLU+:zH2lR3cbKBDxejQNCOF5+

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

officemorgana.duckdns.org:7791

127.0.0.1:7791

Mutex

8e529082-84ec-4d05-bd4f-560eca8625e2

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2018-11-15T22:42:55.761147236Z
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
7791
default_group
ML2015
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
8e529082-84ec-4d05-bd4f-560eca8625e2
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
officemorgana.duckdns.org
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

Executes dropped EXE 2 IoCs

pid	Process
2572	fff.exe
1168	fff.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	D4266B19A8FB226E3752A78F08C107A0035411D9E57C7.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	Name of the melted file.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Applicationfff = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\fff.exe -boot"	fff.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\AGP Monitor = "C:\\Program Files (x86)\\AGP Monitor\\agpmon.exe"	fff.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2572 set thread context of 1168	2572	fff.exe	92

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\AGP Monitor\agpmon.exe	fff.exe
File opened for modification	C:\Program Files (x86)\AGP Monitor\agpmon.exe	fff.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1324	2572	WerFault.exe	91

Creates scheduled task(s) 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
4448	schtasks.exe
4972	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1168	fff.exe
1168	fff.exe
1168	fff.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1168	fff.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3824	D4266B19A8FB226E3752A78F08C107A0035411D9E57C7.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeDebugPrivilege	3824	D4266B19A8FB226E3752A78F08C107A0035411D9E57C7.exe
Token: 33	3824	D4266B19A8FB226E3752A78F08C107A0035411D9E57C7.exe
Token: SeIncBasePriorityPrivilege	3824	D4266B19A8FB226E3752A78F08C107A0035411D9E57C7.exe
Token: SeDebugPrivilege	5084	Name of the melted file.exe
Token: 33	5084	Name of the melted file.exe
Token: SeIncBasePriorityPrivilege	5084	Name of the melted file.exe
Token: SeDebugPrivilege	2572	fff.exe
Token: 33	2572	fff.exe
Token: SeIncBasePriorityPrivilege	2572	fff.exe
Token: SeDebugPrivilege	1168	fff.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 3824 wrote to memory of 1860	3824	D4266B19A8FB226E3752A78F08C107A0035411D9E57C7.exe	83
PID 3824 wrote to memory of 1860	3824	D4266B19A8FB226E3752A78F08C107A0035411D9E57C7.exe	83
PID 3824 wrote to memory of 1860	3824	D4266B19A8FB226E3752A78F08C107A0035411D9E57C7.exe	83
PID 1860 wrote to memory of 5084	1860	cmd.exe	85
PID 1860 wrote to memory of 5084	1860	cmd.exe	85
PID 1860 wrote to memory of 5084	1860	cmd.exe	85
PID 5084 wrote to memory of 4888	5084	Name of the melted file.exe	87
PID 5084 wrote to memory of 4888	5084	Name of the melted file.exe	87
PID 5084 wrote to memory of 4888	5084	Name of the melted file.exe	87
PID 5084 wrote to memory of 220	5084	Name of the melted file.exe	89
PID 5084 wrote to memory of 220	5084	Name of the melted file.exe	89
PID 5084 wrote to memory of 220	5084	Name of the melted file.exe	89
PID 220 wrote to memory of 2572	220	cmd.exe	91
PID 220 wrote to memory of 2572	220	cmd.exe	91
PID 220 wrote to memory of 2572	220	cmd.exe	91
PID 2572 wrote to memory of 1168	2572	fff.exe	92
PID 2572 wrote to memory of 1168	2572	fff.exe	92
PID 2572 wrote to memory of 1168	2572	fff.exe	92
PID 2572 wrote to memory of 1168	2572	fff.exe	92
PID 2572 wrote to memory of 1168	2572	fff.exe	92
PID 2572 wrote to memory of 1168	2572	fff.exe	92
PID 2572 wrote to memory of 1168	2572	fff.exe	92
PID 2572 wrote to memory of 1168	2572	fff.exe	92
PID 1168 wrote to memory of 4448	1168	fff.exe	96
PID 1168 wrote to memory of 4448	1168	fff.exe	96
PID 1168 wrote to memory of 4448	1168	fff.exe	96
PID 1168 wrote to memory of 4972	1168	fff.exe	98
PID 1168 wrote to memory of 4972	1168	fff.exe	98
PID 1168 wrote to memory of 4972	1168	fff.exe	98

C:\Users\Admin\AppData\Local\Temp\D4266B19A8FB226E3752A78F08C107A0035411D9E57C7.exe
"C:\Users\Admin\AppData\Local\Temp\D4266B19A8FB226E3752A78F08C107A0035411D9E57C7.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3824
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c, "C:\Users\Admin\AppData\Local\Temp\Name of the melted file.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1860
- - C:\Users\Admin\AppData\Local\Temp\Name of the melted file.exe
    "C:\Users\Admin\AppData\Local\Temp\Name of the melted file.exe"
    3⤵
    - Checks computer location settings
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:5084
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\Name of the melted file.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\fff.exe"
      4⤵
      PID:4888
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c, "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\fff.exe"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:220
    - - C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\fff.exe
        
        "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\fff.exe"
        5⤵
        Executes dropped EXE
        Adds Run key to start application
        Suspicious use of SetThreadContext
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:2572
      - C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\fff.exe
        
        "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\fff.exe"
        6⤵
        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
        Suspicious use of WriteProcessMemory
        
        PID:1168
        
        C:\Windows\SysWOW64\schtasks.exe
        
        "schtasks.exe" /create /f /tn "AGP Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp21EB.tmp"
        7⤵
        Creates scheduled task(s)
        
        PID:4448
        
        C:\Windows\SysWOW64\schtasks.exe
        
        "schtasks.exe" /create /f /tn "AGP Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp25A5.tmp"
        7⤵
        Creates scheduled task(s)
        
        PID:4972
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2572 -s 1132
        6⤵
        Program crash
        
        PID:1324

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2572 -ip 2572
1⤵
PID:1164

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\fff.exe

Filesize
396KB

MD5
b9566497fc8c54c88a3d06191a8d28f7

SHA1
95a5e9792031a5343f2a168f8ece65f88c408312

SHA256
d4266b19a8fb226e3752a78f08c107a0035411d9e57c71fc03f1dec2c5ff5c51

SHA512
1e40d7ab66eddeb02498e13f9287493c9816726ff2cd62250261ef67cc29c11e8471e8dd6dc82598c01bf790f328330026d19f5631ac145d78e5f2939858d0a3

Download Submit
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\fff.exe

Filesize
396KB

MD5
b9566497fc8c54c88a3d06191a8d28f7

SHA1
95a5e9792031a5343f2a168f8ece65f88c408312

SHA256
d4266b19a8fb226e3752a78f08c107a0035411d9e57c71fc03f1dec2c5ff5c51

SHA512
1e40d7ab66eddeb02498e13f9287493c9816726ff2cd62250261ef67cc29c11e8471e8dd6dc82598c01bf790f328330026d19f5631ac145d78e5f2939858d0a3

Download Submit
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\fff.exe

Filesize
396KB

MD5
b9566497fc8c54c88a3d06191a8d28f7

SHA1
95a5e9792031a5343f2a168f8ece65f88c408312

SHA256
d4266b19a8fb226e3752a78f08c107a0035411d9e57c71fc03f1dec2c5ff5c51

SHA512
1e40d7ab66eddeb02498e13f9287493c9816726ff2cd62250261ef67cc29c11e8471e8dd6dc82598c01bf790f328330026d19f5631ac145d78e5f2939858d0a3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp21EB.tmp

Filesize
1KB

MD5
3a7e8f16cb44be382ee75bedb9f7e516

SHA1
c7e4eda46abbf71ee30c255216a8e1d598d8fe81

SHA256
a0262d2118bd68a421ccabb2d54f33a7071c70e723c025c38f18f85cfe0dd987

SHA512
5e2acfa3cb6542493e63cd737005867171577d15120409f236c04c8ad197093cd9a718bce351e2ab4429eb720af2e9a1506b5cd579de02de602e45b16875dd69

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp25A5.tmp

Filesize
1KB

MD5
157cd55403665c49c9fd3ca1196c4397

SHA1
4feed6e606b41bb617274471349582963182756b

SHA256
49d903f84313feb16bd189c58b6c206f98b05da00ea0da881e2ff0c893b6ba5e

SHA512
bea7e3caa9c37cadd772a6d3ee0d9ed47de6b3e880cd58649be2939cacd00f70d4edc1ad177e432539267bb520094d9cda3f781cdfc69122f3775242321c11b8

Download Submit
memory/1168-146-0x0000000000510000-0x0000000000548000-memory.dmp

Filesize
224KB

Download
memory/1168-147-0x0000000004AA0000-0x0000000004AAA000-memory.dmp

Filesize
40KB

Download
memory/2572-142-0x0000000008710000-0x00000000087AC000-memory.dmp

Filesize
624KB

Download
memory/3824-133-0x0000000008240000-0x00000000087E4000-memory.dmp

Filesize
5.6MB

Download
memory/3824-134-0x0000000007D30000-0x0000000007DC2000-memory.dmp

Filesize
584KB

Download
memory/3824-132-0x0000000000D30000-0x0000000000D9C000-memory.dmp

Filesize
432KB

Download