nanocore | 91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04/08/2024, 22:06

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General

Target
27AA8AD8930FA0D076510CFB6573CE74.exe
Size 384KB
Sample240804-1z3agasalg
SHA256 91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d
MD5 27aa8ad8930fa0d076510cfb6573ce74
SHA1 26da6ec9efcd8b95c2d744373532afd12d26bf8f
SHA512 bb1af7c9caf9d05e6bf2ebf3ff8fbada74c0e4fbac04759428da3766110b66a8966081b22c0ffc4dc3a141a0914e552a6fc0a766c037c438546e8d4124f5922f
SSDEEP 6144:6JHf/OboJwboxHcE2Heo6e+qFCKs7cDZGrBKdt7cWZGbpYByPT7lyvIcbSIvF68U:c3VwboxHc8o6epUVKd9cWvByPHly5WIl
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

blackangel.hopto.org:54984

Mutex

f71cda30-fa3d-4402-acaf-cf2c8c816f12

Attributes

activate_away_mode
true
backup_connection_host
blackangel.hopto.org
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2024-04-20T19:45:18.703376436Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
54984
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
f71cda30-fa3d-4402-acaf-cf2c8c816f12
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
blackangel.hopto.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 4 IoCs

pid	Process
4080	microsoft.exe
3600	microsoft.exe
2916	microsoft.exe
1924	microsoft.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DPI Service = "C:\\Program Files (x86)\\DPI Service\\dpisv.exe"	27AA8AD8930FA0D076510CFB6573CE74.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	27AA8AD8930FA0D076510CFB6573CE74.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3012 set thread context of 4664	3012	27AA8AD8930FA0D076510CFB6573CE74.exe	84
PID 4080 set thread context of 3600	4080	microsoft.exe	99
PID 2916 set thread context of 1924	2916	microsoft.exe	111

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DPI Service\dpisv.exe	27AA8AD8930FA0D076510CFB6573CE74.exe
File opened for modification	C:\Program Files (x86)\DPI Service\dpisv.exe	27AA8AD8930FA0D076510CFB6573CE74.exe

System Location Discovery: System Language Discovery 1 TTPs 18 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	27AA8AD8930FA0D076510CFB6573CE74.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsoft.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsoft.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsoft.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsoft.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	27AA8AD8930FA0D076510CFB6573CE74.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
940	schtasks.exe
2260	schtasks.exe
4452	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4664	27AA8AD8930FA0D076510CFB6573CE74.exe
4664	27AA8AD8930FA0D076510CFB6573CE74.exe
4664	27AA8AD8930FA0D076510CFB6573CE74.exe
4664	27AA8AD8930FA0D076510CFB6573CE74.exe
4664	27AA8AD8930FA0D076510CFB6573CE74.exe
4664	27AA8AD8930FA0D076510CFB6573CE74.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4664	27AA8AD8930FA0D076510CFB6573CE74.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4664	27AA8AD8930FA0D076510CFB6573CE74.exe

Suspicious use of WriteProcessMemory 60 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 4664	3012	27AA8AD8930FA0D076510CFB6573CE74.exe	84
PID 3012 wrote to memory of 4664	3012	27AA8AD8930FA0D076510CFB6573CE74.exe	84
PID 3012 wrote to memory of 4664	3012	27AA8AD8930FA0D076510CFB6573CE74.exe	84
PID 3012 wrote to memory of 4664	3012	27AA8AD8930FA0D076510CFB6573CE74.exe	84
PID 3012 wrote to memory of 4664	3012	27AA8AD8930FA0D076510CFB6573CE74.exe	84
PID 3012 wrote to memory of 4664	3012	27AA8AD8930FA0D076510CFB6573CE74.exe	84
PID 3012 wrote to memory of 4664	3012	27AA8AD8930FA0D076510CFB6573CE74.exe	84
PID 3012 wrote to memory of 4664	3012	27AA8AD8930FA0D076510CFB6573CE74.exe	84
PID 3012 wrote to memory of 5064	3012	27AA8AD8930FA0D076510CFB6573CE74.exe	85
PID 3012 wrote to memory of 5064	3012	27AA8AD8930FA0D076510CFB6573CE74.exe	85
PID 3012 wrote to memory of 5064	3012	27AA8AD8930FA0D076510CFB6573CE74.exe	85
PID 3012 wrote to memory of 3612	3012	27AA8AD8930FA0D076510CFB6573CE74.exe	87
PID 3012 wrote to memory of 3612	3012	27AA8AD8930FA0D076510CFB6573CE74.exe	87
PID 3012 wrote to memory of 3612	3012	27AA8AD8930FA0D076510CFB6573CE74.exe	87
PID 3612 wrote to memory of 940	3612	cmd.exe	90
PID 3612 wrote to memory of 940	3612	cmd.exe	90
PID 3612 wrote to memory of 940	3612	cmd.exe	90
PID 3012 wrote to memory of 4632	3012	27AA8AD8930FA0D076510CFB6573CE74.exe	91
PID 3012 wrote to memory of 4632	3012	27AA8AD8930FA0D076510CFB6573CE74.exe	91
PID 3012 wrote to memory of 4632	3012	27AA8AD8930FA0D076510CFB6573CE74.exe	91
PID 4080 wrote to memory of 3600	4080	microsoft.exe	99
PID 4080 wrote to memory of 3600	4080	microsoft.exe	99
PID 4080 wrote to memory of 3600	4080	microsoft.exe	99
PID 4080 wrote to memory of 3600	4080	microsoft.exe	99
PID 4080 wrote to memory of 3600	4080	microsoft.exe	99
PID 4080 wrote to memory of 3600	4080	microsoft.exe	99
PID 4080 wrote to memory of 3600	4080	microsoft.exe	99
PID 4080 wrote to memory of 3600	4080	microsoft.exe	99
PID 4080 wrote to memory of 1068	4080	microsoft.exe	100
PID 4080 wrote to memory of 1068	4080	microsoft.exe	100
PID 4080 wrote to memory of 1068	4080	microsoft.exe	100
PID 4080 wrote to memory of 836	4080	microsoft.exe	102
PID 4080 wrote to memory of 836	4080	microsoft.exe	102
PID 4080 wrote to memory of 836	4080	microsoft.exe	102
PID 836 wrote to memory of 2260	836	cmd.exe	104
PID 836 wrote to memory of 2260	836	cmd.exe	104
PID 836 wrote to memory of 2260	836	cmd.exe	104
PID 4080 wrote to memory of 5088	4080	microsoft.exe	105
PID 4080 wrote to memory of 5088	4080	microsoft.exe	105
PID 4080 wrote to memory of 5088	4080	microsoft.exe	105
PID 2916 wrote to memory of 1924	2916	microsoft.exe	111
PID 2916 wrote to memory of 1924	2916	microsoft.exe	111
PID 2916 wrote to memory of 1924	2916	microsoft.exe	111
PID 2916 wrote to memory of 1924	2916	microsoft.exe	111
PID 2916 wrote to memory of 1924	2916	microsoft.exe	111
PID 2916 wrote to memory of 1924	2916	microsoft.exe	111
PID 2916 wrote to memory of 1924	2916	microsoft.exe	111
PID 2916 wrote to memory of 1924	2916	microsoft.exe	111
PID 2916 wrote to memory of 3140	2916	microsoft.exe	112
PID 2916 wrote to memory of 3140	2916	microsoft.exe	112
PID 2916 wrote to memory of 3140	2916	microsoft.exe	112
PID 2916 wrote to memory of 1268	2916	microsoft.exe	114
PID 2916 wrote to memory of 1268	2916	microsoft.exe	114
PID 2916 wrote to memory of 1268	2916	microsoft.exe	114
PID 1268 wrote to memory of 4452	1268	cmd.exe	116
PID 1268 wrote to memory of 4452	1268	cmd.exe	116
PID 1268 wrote to memory of 4452	1268	cmd.exe	116
PID 2916 wrote to memory of 1000	2916	microsoft.exe	117
PID 2916 wrote to memory of 1000	2916	microsoft.exe	117
PID 2916 wrote to memory of 1000	2916	microsoft.exe	117

C:\Users\Admin\AppData\Local\Temp\27AA8AD8930FA0D076510CFB6573CE74.exe
"C:\Users\Admin\AppData\Local\Temp\27AA8AD8930FA0D076510CFB6573CE74.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Users\Admin\AppData\Local\Temp\27AA8AD8930FA0D076510CFB6573CE74.exe
  "C:\Users\Admin\AppData\Local\Temp\27AA8AD8930FA0D076510CFB6573CE74.exe"
  2⤵
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:4664
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C mkdir "C:\Users\Admin\AppData\Roaming\microsoft"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5064
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\microsoft\microsoft.exe'" /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3612
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\microsoft\microsoft.exe'" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:940
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C copy "C:\Users\Admin\AppData\Local\Temp\27AA8AD8930FA0D076510CFB6573CE74.exe" "C:\Users\Admin\AppData\Roaming\microsoft\microsoft.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4632

C:\Users\Admin\AppData\Roaming\microsoft\microsoft.exe
C:\Users\Admin\AppData\Roaming\microsoft\microsoft.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4080
- C:\Users\Admin\AppData\Roaming\microsoft\microsoft.exe
  "C:\Users\Admin\AppData\Roaming\microsoft\microsoft.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3600
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C mkdir "C:\Users\Admin\AppData\Roaming\microsoft"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1068
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\microsoft\microsoft.exe'" /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:836
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\microsoft\microsoft.exe'" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2260
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C copy "C:\Users\Admin\AppData\Roaming\microsoft\microsoft.exe" "C:\Users\Admin\AppData\Roaming\microsoft\microsoft.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5088

C:\Users\Admin\AppData\Roaming\microsoft\microsoft.exe
C:\Users\Admin\AppData\Roaming\microsoft\microsoft.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2916
- C:\Users\Admin\AppData\Roaming\microsoft\microsoft.exe
  "C:\Users\Admin\AppData\Roaming\microsoft\microsoft.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1924
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C mkdir "C:\Users\Admin\AppData\Roaming\microsoft"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3140
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\microsoft\microsoft.exe'" /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1268
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\microsoft\microsoft.exe'" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4452
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C copy "C:\Users\Admin\AppData\Roaming\microsoft\microsoft.exe" "C:\Users\Admin\AppData\Roaming\microsoft\microsoft.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1000

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

microsoft.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\microsoft.exe.log
Size 520B
SHA256 5164770a37b199a79ccd23b399bb3309228973d9f74c589bc2623dc613b37ac4
MD5 03febbff58da1d3318c31657d89c8542
SHA1 c9e017bd9d0a4fe533795b227c855935d86c2092
SHA512 3750c372bbca1892e9c1b34681d592c693e725a8b149c3d6938079cd467628cec42c4293b0d886b57a786abf45f5e7229247b3445001774e3e793ff5a3accfa3
MD5 SHA1 SHA512

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microsoft.exe

Path C:\Users\Admin\AppData\Roaming\Microsoft\microsoft.exe
Size 384KB
SHA256 91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d
MD5 27aa8ad8930fa0d076510cfb6573ce74
SHA1 26da6ec9efcd8b95c2d744373532afd12d26bf8f
SHA512 bb1af7c9caf9d05e6bf2ebf3ff8fbada74c0e4fbac04759428da3766110b66a8966081b22c0ffc4dc3a141a0914e552a6fc0a766c037c438546e8d4124f5922f
SSDEEP 6144:6JHf/OboJwboxHcE2Heo6e+qFCKs7cDZGrBKdt7cWZGbpYByPT7lyvIcbSIvF68U:c3VwboxHc8o6epUVKd9cWvByPHly5WIl
MD5 SHA1 SHA512 SSDEEP

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memory/3012-18-0x0000000074B70000-0x0000000075320000-memory.dmp

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memory/3012-1-0x00000000008C0000-0x0000000000926000-memory.dmp

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memory/3012-2-0x00000000058A0000-0x0000000005E44000-memory.dmp

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memory/3012-3-0x0000000074B70000-0x0000000075320000-memory.dmp

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memory/3012-0-0x0000000074B7E000-0x0000000074B7F000-memory.dmp

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memory/4664-21-0x0000000006CA0000-0x0000000006CB2000-memory.dmp

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memory/4664-25-0x0000000006D00000-0x0000000006D0C000-memory.dmp

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memory/4664-9-0x0000000005720000-0x000000000572A000-memory.dmp

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memory/4664-15-0x00000000057A0000-0x00000000057AA000-memory.dmp

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memory/4664-16-0x0000000005980000-0x000000000599E000-memory.dmp

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memory/4664-7-0x0000000074B70000-0x0000000075320000-memory.dmp

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memory/4664-17-0x00000000058D0000-0x00000000058DA000-memory.dmp

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memory/4664-6-0x00000000057B0000-0x000000000584C000-memory.dmp

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memory/4664-22-0x0000000006CB0000-0x0000000006CCA000-memory.dmp

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memory/4664-23-0x0000000006CE0000-0x0000000006CEE000-memory.dmp

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memory/4664-24-0x0000000006CF0000-0x0000000006CFE000-memory.dmp

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memory/4664-8-0x0000000074B70000-0x0000000075320000-memory.dmp

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memory/4664-26-0x0000000006D10000-0x0000000006D24000-memory.dmp

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memory/4664-27-0x0000000006D20000-0x0000000006D30000-memory.dmp

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memory/4664-28-0x0000000006D30000-0x0000000006D44000-memory.dmp

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memory/4664-29-0x0000000006D60000-0x0000000006D6E000-memory.dmp

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memory/4664-30-0x0000000006D70000-0x0000000006D9E000-memory.dmp

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memory/4664-31-0x0000000006DA0000-0x0000000006DB4000-memory.dmp

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memory/4664-32-0x0000000006F70000-0x0000000006FD6000-memory.dmp

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memory/4664-39-0x0000000074B70000-0x0000000075320000-memory.dmp

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memory/4664-40-0x0000000074B70000-0x0000000075320000-memory.dmp

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memory/4664-5-0x0000000005670000-0x0000000005702000-memory.dmp

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memory/4664-4-0x0000000000400000-0x0000000000438000-memory.dmp

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