nanocore | 6365674917c2e0b65ae5e5e8609e7ca2287b7ae47fba084c2514315eaacdfd5f

Analysis

max time kernel
138s
max time network
152s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16-09-2024 05:02

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General

Target

Draft-Contract - QT-ACR-VAV #2018105.scr
Size

593KB
MD5

88bc51002102a5856ca65303653457ee
SHA1

328f04ff3ceabd77bb45d9e6a85b3bf1472768ae
SHA256

5f87086ab87b2eb8d0cff4b0776d062d071e5369c28ba07cea2fb8e99e833dce
SHA512

8d9abdc8477867bcae148b3a66db8a1c61d0e0e009cc117c0a3c420ca10ee68935f7308cdcee764bc63028db506defd81afc1828121e34c92c373974ad00e95a
SSDEEP

12288:hzYnKOlBR73fB4G/Lt3MsqfZsViWpjj4JNfiTEbW5gqtcL/Eh0/UIWu/gq:lKKI7SGz5/qfej4viyWKqtcoiX

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

46.243.189.131:8765

Mutex

7fe807b8-5584-4b51-9d61-c97d8e699fb3

Attributes

activate_away_mode
false
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2018-07-12T15:41:04.289187136Z
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
8765
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
7fe807b8-5584-4b51-9d61-c97d8e699fb3
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
46.243.189.131
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
2664	filename.exe
2792	filename.exe

Loads dropped DLL 1 IoCs

pid	Process
1412	cmd.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\Update = "cmd /c type C:\\Users\\Admin\\AppData\\Local\\Temp\\Update.txt \| cmd"	reg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\DOS Manager = "C:\\Program Files (x86)\\DOS Manager\\dosmgr.exe"	filename.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	filename.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2664 set thread context of 2792	2664	filename.exe	37

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DOS Manager\dosmgr.exe	filename.exe
File opened for modification	C:\Program Files (x86)\DOS Manager\dosmgr.exe	filename.exe

System Location Discovery: System Language Discovery 1 TTPs 8 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	filename.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Draft-Contract - QT-ACR-VAV #2018105.scr
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	filename.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
3012	schtasks.exe
1688	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2792	filename.exe
2792	filename.exe
2792	filename.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2792	filename.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2068	Draft-Contract - QT-ACR-VAV #2018105.scr
Token: SeDebugPrivilege	2664	filename.exe
Token: SeDebugPrivilege	2792	filename.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 1412	2068	Draft-Contract - QT-ACR-VAV #2018105.scr	30
PID 2068 wrote to memory of 1412	2068	Draft-Contract - QT-ACR-VAV #2018105.scr	30
PID 2068 wrote to memory of 1412	2068	Draft-Contract - QT-ACR-VAV #2018105.scr	30
PID 2068 wrote to memory of 1412	2068	Draft-Contract - QT-ACR-VAV #2018105.scr	30
PID 1412 wrote to memory of 2664	1412	cmd.exe	32
PID 1412 wrote to memory of 2664	1412	cmd.exe	32
PID 1412 wrote to memory of 2664	1412	cmd.exe	32
PID 1412 wrote to memory of 2664	1412	cmd.exe	32
PID 2664 wrote to memory of 472	2664	filename.exe	34
PID 2664 wrote to memory of 472	2664	filename.exe	34
PID 2664 wrote to memory of 472	2664	filename.exe	34
PID 2664 wrote to memory of 472	2664	filename.exe	34
PID 472 wrote to memory of 2788	472	cmd.exe	36
PID 472 wrote to memory of 2788	472	cmd.exe	36
PID 472 wrote to memory of 2788	472	cmd.exe	36
PID 472 wrote to memory of 2788	472	cmd.exe	36
PID 2664 wrote to memory of 2792	2664	filename.exe	37
PID 2664 wrote to memory of 2792	2664	filename.exe	37
PID 2664 wrote to memory of 2792	2664	filename.exe	37
PID 2664 wrote to memory of 2792	2664	filename.exe	37
PID 2664 wrote to memory of 2792	2664	filename.exe	37
PID 2664 wrote to memory of 2792	2664	filename.exe	37
PID 2664 wrote to memory of 2792	2664	filename.exe	37
PID 2664 wrote to memory of 2792	2664	filename.exe	37
PID 2664 wrote to memory of 2792	2664	filename.exe	37
PID 2792 wrote to memory of 3012	2792	filename.exe	38
PID 2792 wrote to memory of 3012	2792	filename.exe	38
PID 2792 wrote to memory of 3012	2792	filename.exe	38
PID 2792 wrote to memory of 3012	2792	filename.exe	38
PID 2792 wrote to memory of 1688	2792	filename.exe	40
PID 2792 wrote to memory of 1688	2792	filename.exe	40
PID 2792 wrote to memory of 1688	2792	filename.exe	40
PID 2792 wrote to memory of 1688	2792	filename.exe	40

C:\Users\Admin\AppData\Local\Temp\Draft-Contract - QT-ACR-VAV #2018105.scr
"C:\Users\Admin\AppData\Local\Temp\Draft-Contract - QT-ACR-VAV #2018105.scr" /S
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2068
- C:\Windows\SysWOW64\cmd.exe
  "cmd"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1412
- - C:\Users\Admin\Desktop\filename.exe
    "C:\Users\Admin\Desktop\filename.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2664
  - - C:\Windows\SysWOW64\cmd.exe
      "cmd"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:472
    - - C:\Windows\SysWOW64\reg.exe
        
        reg add "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "Update" /d "cmd /c type "C:\Users\Admin\AppData\Local\Temp\Update.txt" | cmd"
        5⤵
        Adds Run key to start application
        System Location Discovery: System Language Discovery
        
        PID:2788
  - - C:\Users\Admin\Desktop\filename.exe
      "C:\Users\Admin\Desktop\filename.exe"
      4⤵
      Executes dropped EXE
      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
      Suspicious use of WriteProcessMemory
      PID:2792
    - - C:\Windows\SysWOW64\schtasks.exe
        
        "schtasks.exe" /create /f /tn "DOS Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmpD4FB.tmp"
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:3012
    - - C:\Windows\SysWOW64\schtasks.exe
        
        "schtasks.exe" /create /f /tn "DOS Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpD6B1.tmp"
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:1688

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpD4FB.tmp

Filesize
1KB

MD5
3e69cfdc97414457ef33010fb54c2ede

SHA1
3cd07f08434a402260b205263eb1de499853b1a1

SHA256
b55422096b144e40a6061d9e894cdb17d2690792ed8939329c4755099a0d73d8

SHA512
01f50c544e2bb42c36aed9bedf6202a204187cc247cf4c76b5071127f4098e635eb25c4fd922aea64cd34abd728fcea3491af658286db1eda2f3e89e547a282c

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD6B1.tmp

Filesize
1KB

MD5
8f5713b14cee3089852f6c8d2a7a7d57

SHA1
8bffbea05715c6434ad593cce8a2c737f80ff788

SHA256
ab3ce102242c3144f87bcbfe83984a478821cd09e62c0e5211b2ab37dde02d2c

SHA512
82bd2378c2d6bb34a1ad3f2d26bfea583fc8403691bed6668521ba3e8bc7bdbdf142f872ddbc8e5251550f47c9bbee4eb3d0d6096f80d85259082cf68a454c72

Download Submit
\Users\Admin\Desktop\filename.exe

Filesize
593KB

MD5
88bc51002102a5856ca65303653457ee

SHA1
328f04ff3ceabd77bb45d9e6a85b3bf1472768ae

SHA256
5f87086ab87b2eb8d0cff4b0776d062d071e5369c28ba07cea2fb8e99e833dce

SHA512
8d9abdc8477867bcae148b3a66db8a1c61d0e0e009cc117c0a3c420ca10ee68935f7308cdcee764bc63028db506defd81afc1828121e34c92c373974ad00e95a

Download Submit
memory/2068-1-0x0000000074160000-0x000000007470B000-memory.dmp

Filesize
5.7MB

Download
memory/2068-2-0x0000000074160000-0x000000007470B000-memory.dmp

Filesize
5.7MB

Download
memory/2068-7-0x0000000074160000-0x000000007470B000-memory.dmp

Filesize
5.7MB

Download
memory/2068-0-0x0000000074161000-0x0000000074162000-memory.dmp

Filesize
4KB

Download
memory/2664-23-0x0000000074160000-0x000000007470B000-memory.dmp

Filesize
5.7MB

Download
memory/2664-8-0x0000000074160000-0x000000007470B000-memory.dmp

Filesize
5.7MB

Download
memory/2664-9-0x0000000074160000-0x000000007470B000-memory.dmp

Filesize
5.7MB

Download
memory/2664-10-0x0000000074160000-0x000000007470B000-memory.dmp

Filesize
5.7MB

Download
memory/2792-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2792-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2792-26-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2792-28-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2792-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2792-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2792-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2792-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download