nanocore | 8639df94b9fe27f10c9737b08c9a26a027dbe318188a420b17696ec5eb61e785

General

Target

New_Order_15-10-2019.scr
Size

1.4MB
MD5

e246a3e9ec0ac7fcc336b1b6573b8b39
SHA1

9ebcb441e577979a0e9d9d938a1f4c1654468fc0
SHA256

ca7cea45f193ef9fc1c02124dfa1baeb339a2ca5a1eaa9a386d98056a18283ab
SHA512

f0927eb4ec1441a54b710f94fa71a36c935f79c5cb29689c5af5bc6d4c83fca61c1bee2919c2d5a9bcbd426e4824ccbb64fac1b562c5661d9caaddb306ba288b
SSDEEP

24576:8NA3R5drXpJcqAd6Cn75hqju5AxTwFhmzuO6Du1h6LId7nT1RMwaMm3CfBomq:95DQci75Qju5AtmhmCO6y1h6LIdzTXMb

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

williams1988.ddns.net:1988

79.134.225.79:1988

Mutex

59ed8572-8278-47f8-86b1-9f5eafbae9e8

Attributes

activate_away_mode
false
backup_connection_host
79.134.225.79
backup_dns_server
buffer_size
65538
build_time
2019-06-30T15:36:33.488694936Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
false
clear_zone_identifier
false
connect_delay
4000
connection_port
1988
default_group
Sept2019
enable_debug_mode
true
gc_threshold
1.0485772e+07
keep_alive_timeout
30000
keyboard_logging
false
lan_timeout
2500
max_packet_size
1.0485772e+07
mutex
59ed8572-8278-47f8-86b1-9f5eafbae9e8
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
williams1988.ddns.net
primary_dns_server
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
false
set_critical_process
false
timeout_interval
5000
use_custom_dns_server
false
version
1.2.2.0
wan_timeout
8009

Signatures

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore

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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	New_Order_15-10-2019.scr
Key value queried	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	WScript.exe

Executes dropped EXE 2 IoCs

pid	Process
2800	vumvjuuo.exe
4140	RegSvcs.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WindowsUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\74723740\\vumvjuuo.exe C:\\Users\\Admin\\AppData\\Local\\Temp\\74723740\\itrvnfur.blb"	vumvjuuo.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DNS Manager = "C:\\Program Files (x86)\\DNS Manager\\dnsmgr.exe"	RegSvcs.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	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2800 set thread context of 4140	2800	vumvjuuo.exe	88

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DNS Manager\dnsmgr.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\DNS Manager\dnsmgr.exe	RegSvcs.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 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	New_Order_15-10-2019.scr
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vumvjuuo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000_Classes\Local Settings	New_Order_15-10-2019.scr
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	WScript.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
2160	schtasks.exe
1220	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
4140	RegSvcs.exe
4140	RegSvcs.exe
4140	RegSvcs.exe
4140	RegSvcs.exe
4140	RegSvcs.exe
4140	RegSvcs.exe
4140	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4140	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4140	RegSvcs.exe
Token: SeDebugPrivilege	4140	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3400 wrote to memory of 2780	3400	New_Order_15-10-2019.scr	82
PID 3400 wrote to memory of 2780	3400	New_Order_15-10-2019.scr	82
PID 3400 wrote to memory of 2780	3400	New_Order_15-10-2019.scr	82
PID 2780 wrote to memory of 2800	2780	WScript.exe	83
PID 2780 wrote to memory of 2800	2780	WScript.exe	83
PID 2780 wrote to memory of 2800	2780	WScript.exe	83
PID 2800 wrote to memory of 4140	2800	vumvjuuo.exe	88
PID 2800 wrote to memory of 4140	2800	vumvjuuo.exe	88
PID 2800 wrote to memory of 4140	2800	vumvjuuo.exe	88
PID 2800 wrote to memory of 4140	2800	vumvjuuo.exe	88
PID 2800 wrote to memory of 4140	2800	vumvjuuo.exe	88
PID 4140 wrote to memory of 2160	4140	RegSvcs.exe	90
PID 4140 wrote to memory of 2160	4140	RegSvcs.exe	90
PID 4140 wrote to memory of 2160	4140	RegSvcs.exe	90
PID 4140 wrote to memory of 1220	4140	RegSvcs.exe	92
PID 4140 wrote to memory of 1220	4140	RegSvcs.exe	92
PID 4140 wrote to memory of 1220	4140	RegSvcs.exe	92

C:\Users\Admin\AppData\Local\Temp\New_Order_15-10-2019.scr
"C:\Users\Admin\AppData\Local\Temp\New_Order_15-10-2019.scr" /S
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3400
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\74723740\aroko.vbs"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2780
- - C:\Users\Admin\AppData\Local\Temp\74723740\vumvjuuo.exe
    "C:\Users\Admin\AppData\Local\Temp\74723740\vumvjuuo.exe" itrvnfur.blb
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2800
  - - C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\RegSvcs.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:4140
    - - C:\Windows\SysWOW64\schtasks.exe
        
        "schtasks.exe" /create /f /tn "DNS Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmpD7C2.tmp"
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2160
    - - C:\Windows\SysWOW64\schtasks.exe
        
        "schtasks.exe" /create /f /tn "DNS Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpD811.tmp"
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:1220

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\74723740\aroko.vbs

Filesize
44KB

MD5
258e77d79b7ac72a8e9ee04775e72528

SHA1
346ea563b2d14d5b99131e4757e02a8d0f2a38bf

SHA256
56db6391426f562509b1c9b95ce651f11c707dd9adb2fbadf7226996e1ee0d35

SHA512
12042296a4d8de5ebf5dfaadf661449e6f27ac911d32a1cc441c082749dc25c9d22cd4c04da311fb84e6a536b9ab2bb9182b4c00bd874b12fa139a04273457fc

Download Submit
C:\Users\Admin\AppData\Local\Temp\74723740\chflvuxjh.bmp

Filesize
467KB

MD5
6b1aa76fbc3e824b53bfc668f04ed1c4

SHA1
3d9093b15df4fd9e5f2760705fabf25d95dbce2d

SHA256
3d5406c77f115a0f5962193911c533c3e9fbf09add9c51001dfef7384e0e9e6c

SHA512
5759f66acebb0fb101c49506a86f43fc99cc4cf043da3756b276df61d757f93473e4f4ff572738906e0cb5240ead92d0b24710fe8ee548f8337a8151c2900169

Download Submit
C:\Users\Admin\AppData\Local\Temp\74723740\vumvjuuo.exe

Filesize
732KB

MD5
71d8f6d5dc35517275bc38ebcc815f9f

SHA1
cae4e8c730de5a01d30aabeb3e5cb2136090ed8d

SHA256
fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b

SHA512
4826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59

Download Submit
C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe

Filesize
44KB

MD5
9d352bc46709f0cb5ec974633a0c3c94

SHA1
1969771b2f022f9a86d77ac4d4d239becdf08d07

SHA256
2c1eeb7097023c784c2bd040a2005a5070ed6f3a4abf13929377a9e39fab1390

SHA512
13c714244ec56beeb202279e4109d59c2a43c3cf29f90a374a751c04fd472b45228ca5a0178f41109ed863dbd34e0879e4a21f5e38ae3d89559c57e6be990a9b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD7C2.tmp

Filesize
1KB

MD5
95aceabc58acad5d73372b0966ee1b35

SHA1
2293b7ad4793cf574b1a5220e85f329b5601040a

SHA256
8d9642e1c3cd1e0b5d1763de2fb5e605ba593e5a918b93eec15acbc5dcc48fd4

SHA512
00760dfc9d8caf357f0cee5336e5448a4cca18e32cc63e1a69c16e34fe00ea29acd5b2cf278e86c6f9c3e66a1b176d27ed927361848212e6bf1fade7d3d06e74

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD811.tmp

Filesize
1KB

MD5
bf0287a4e4ec6b543e5f2c020d4f88b2

SHA1
da151b3e3f382ec107053e487b08035616db2694

SHA256
ef704c92466ea7f43c33880380c3fbc8bee8d8ce7a041abefb23fd610baff13c

SHA512
94c9b8f53120a0024031996a91ee54de0a791e49e45a9e2c6e56c51a363b3b3cac206f19b84861a21054bcd3ee8031ab684596502a126fea47352474a4ecd8be

Download Submit
memory/4140-150-0x000000000E120000-0x000000000E1BC000-memory.dmp

Filesize
624KB

Download
memory/4140-149-0x000000000E080000-0x000000000E112000-memory.dmp

Filesize
584KB

Download
memory/4140-148-0x000000000E630000-0x000000000EBD4000-memory.dmp

Filesize
5.6MB

Download
memory/4140-151-0x000000000E000000-0x000000000E00A000-memory.dmp

Filesize
40KB

Download
memory/4140-147-0x0000000000500000-0x000000000053A000-memory.dmp

Filesize
232KB

Download
memory/4140-144-0x0000000000500000-0x0000000001500000-memory.dmp

Filesize
16.0MB

Download
memory/4140-159-0x000000000E060000-0x000000000E06A000-memory.dmp

Filesize
40KB

Download
memory/4140-160-0x000000000E2B0000-0x000000000E2BC000-memory.dmp

Filesize
48KB

Download
memory/4140-161-0x000000000E370000-0x000000000E38E000-memory.dmp

Filesize
120KB

Download
memory/4140-162-0x000000000F140000-0x000000000F14A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads