nanocore | cc0348d66b14ccee352690d9f4277905eecb50e9dcaabf2b282be94ee919a78c

General

Target

BT.2021.908646294.PNG.scr
Size

1.0MB
MD5

2d91c6f7fa8f7dc0bc9f5bee0eb23480
SHA1

9746d8e51e505bc1921cf453e59a98d63a6cbaca
SHA256

1a670f0875ed669e317ea331c549fa93f13c9d077dabc86460f292053ec86d73
SHA512

66268e51aae5d738e048298faf7e08bd14b5928370b820e1da9dde3e58dc666f26084b3e4ef906e707c6256281a4ec358241fa7ebb154bdecd63083c347da80e
SSDEEP

24576:rAOcZEhkbRso4t1PQvfieGaDsJJb5pO0i0buNTbb:t+Co4zQvKe/e3O31b

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

strongodss.ddns.net:48562

185.19.85.175:48562

Mutex

ba2baad0-dd3f-4844-a1e3-4d042f9ae8b6

Attributes

activate_away_mode
false
backup_connection_host
185.19.85.175
backup_dns_server
buffer_size
65538
build_time
2021-04-20T00:12:13.961451136Z
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
48562
default_group
HOBBIT
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
ba2baad0-dd3f-4844-a1e3-4d042f9ae8b6
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
strongodss.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 1 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-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation	BT.2021.908646294.PNG.scr

Executes dropped EXE 2 IoCs

pid	Process
2288	cajqqcgfh.pif
3336	RegSvcs.exe

Adds Run key to start application 2 TTPs 3 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\Chrome = "C:\\Users\\Admin\\AppData\\Local\\Temp\\58329676\\CAJQQC~1.PIF C:\\Users\\Admin\\AppData\\Local\\Temp\\58329676\\mkotxrww.tlj"	cajqqcgfh.pif
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\AutoUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\58329676\\Update.vbs"	cajqqcgfh.pif
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DHCP Service = "C:\\Program Files (x86)\\DHCP Service\\dhcpsvc.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 2288 set thread context of 3336	2288	cajqqcgfh.pif	93

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\DHCP Service\dhcpsvc.exe	RegSvcs.exe
File created	C:\Program Files (x86)\DHCP Service\dhcpsvc.exe	RegSvcs.exe

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

System Information Discovery
T1082

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/Job

T1053

pid	Process
2720	schtasks.exe
4836	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
3336	RegSvcs.exe
3336	RegSvcs.exe
3336	RegSvcs.exe
3336	RegSvcs.exe
3336	RegSvcs.exe
3336	RegSvcs.exe
3336	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3336	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3336	RegSvcs.exe
Token: SeDebugPrivilege	3336	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2904 wrote to memory of 2288	2904	BT.2021.908646294.PNG.scr	89
PID 2904 wrote to memory of 2288	2904	BT.2021.908646294.PNG.scr	89
PID 2904 wrote to memory of 2288	2904	BT.2021.908646294.PNG.scr	89
PID 2288 wrote to memory of 3336	2288	cajqqcgfh.pif	93
PID 2288 wrote to memory of 3336	2288	cajqqcgfh.pif	93
PID 2288 wrote to memory of 3336	2288	cajqqcgfh.pif	93
PID 2288 wrote to memory of 3336	2288	cajqqcgfh.pif	93
PID 2288 wrote to memory of 3336	2288	cajqqcgfh.pif	93
PID 3336 wrote to memory of 2720	3336	RegSvcs.exe	96
PID 3336 wrote to memory of 2720	3336	RegSvcs.exe	96
PID 3336 wrote to memory of 2720	3336	RegSvcs.exe	96
PID 3336 wrote to memory of 4836	3336	RegSvcs.exe	98
PID 3336 wrote to memory of 4836	3336	RegSvcs.exe	98
PID 3336 wrote to memory of 4836	3336	RegSvcs.exe	98

C:\Users\Admin\AppData\Local\Temp\BT.2021.908646294.PNG.scr
"C:\Users\Admin\AppData\Local\Temp\BT.2021.908646294.PNG.scr" /S
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2904
- C:\Users\Admin\AppData\Local\Temp\58329676\cajqqcgfh.pif
  "C:\Users\Admin\AppData\Local\Temp\58329676\cajqqcgfh.pif" mkotxrww.tlj
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2288
- - C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"
    3⤵
    - 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:3336
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "DHCP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7705.tmp"
      4⤵
      Creates scheduled task(s)
      PID:2720
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "DHCP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp780F.tmp"
      4⤵
      Creates scheduled task(s)
      PID:4836

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\58329676\cajqqcgfh.pif

Filesize
758KB

MD5
1d7071dd5cda216508b235c0e2318b05

SHA1
0b972fbc1ea8a47204b2a187e608744a4e947bc2

SHA256
788edeacd860a1a3bb22b839c1ecf408227e1e14bbe0b1baf55824075161f996

SHA512
65965d2de629024773dddf5f8f37d40a15afc51cbaec48c8cda3b0763e9391e065c5ee6ab81b7f4e53ab1f531ef53bb9dccd9ddd4a1c9423922eebf37e544118

Download Submit
C:\Users\Admin\AppData\Local\Temp\58329676\fklovqe.bjs

Filesize
420KB

MD5
4a997e42dddc473e1d755ac4052be623

SHA1
57549720b8b58363fdab9befb1299b72afa80451

SHA256
af2d7edc3031d56a7b9db156c5fccfe4acc3fce684f61002a1ac856249fbbe5a

SHA512
0541cc3749da7db3d59486e1092519af4a060c35caacacd2f52ea9aff170a73d80297bec692548cfd483494cc603dbb1ac434f368bab423d19e629d8c96296e4

Download Submit
C:\Users\Admin\AppData\Local\Temp\58329676\merrgwm.ppt

Filesize
55KB

MD5
d05568b629c3562fbdb1b3acca450514

SHA1
608a51c7e0426ad9373963d13123ef9bcae4d3b3

SHA256
b509b5b39ca46f0775396ce54ab72678ba44ef9f0261cf2ea6e920279fff31a8

SHA512
91516e6f52e85c47a4ef92fb23a32230e8e66bdb65343b5f600d8cc820e31d475adcab5adbc744acb3456440895eed87caafe40efe78d118e1bfd50e0d6d0073

Download Submit
C:\Users\Admin\AppData\Local\Temp\58329676\mkotxrww.tlj

Filesize
134.7MB

MD5
4fe04aaa88768160144cd5d80d68c078

SHA1
63bca500ea8d75639d66c9ee6958f18b479ff2b4

SHA256
13e4328fbab833df9f55d3f19ff51f282242b75a3a811e3ef1ecb8b99f657182

SHA512
fc39466023162d42803013b20b26b23363788b27540135ad5c58de6d74f7d2d4feda52a4896f2aeb4fd5d1556fb28309818e09bbf9a777f96d8a129050f8de4f

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\tmp7705.tmp

Filesize
1KB

MD5
95aceabc58acad5d73372b0966ee1b35

SHA1
2293b7ad4793cf574b1a5220e85f329b5601040a

SHA256
8d9642e1c3cd1e0b5d1763de2fb5e605ba593e5a918b93eec15acbc5dcc48fd4

SHA512
00760dfc9d8caf357f0cee5336e5448a4cca18e32cc63e1a69c16e34fe00ea29acd5b2cf278e86c6f9c3e66a1b176d27ed927361848212e6bf1fade7d3d06e74

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp780F.tmp

Filesize
1KB

MD5
7f4b37265a0a4b0fea67999d11d911e8

SHA1
1b8e13e6a27c3768c30cf713b79eaa8a757e1349

SHA256
39b16b3a00b6b43c6820357127228c0768a577153014ce7b0ea3c585244dc08b

SHA512
ef97ccfb663555aedc7fdc4b3ac4cd6536c80a778b4ec3bc6124a09544733988de1dac1e6a3714b0d6e8713e3523e0732d5dfcf674f2c5e1f3eadacb0c8e5e03

Download Submit
memory/3336-85-0x0000000005AB0000-0x0000000005B4C000-memory.dmp

Filesize
624KB

Download
memory/3336-78-0x0000000000B00000-0x00000000011F4000-memory.dmp

Filesize
7.0MB

Download
memory/3336-84-0x0000000005920000-0x00000000059B2000-memory.dmp

Filesize
584KB

Download
memory/3336-82-0x0000000000B00000-0x0000000000B3A000-memory.dmp

Filesize
232KB

Download
memory/3336-86-0x0000000005CD0000-0x0000000005CE0000-memory.dmp

Filesize
64KB

Download
memory/3336-87-0x00000000059D0000-0x00000000059DA000-memory.dmp

Filesize
40KB

Download
memory/3336-81-0x0000000072AC0000-0x0000000073270000-memory.dmp

Filesize
7.7MB

Download
memory/3336-83-0x0000000005FC0000-0x0000000006564000-memory.dmp

Filesize
5.6MB

Download
memory/3336-95-0x0000000005A60000-0x0000000005A6A000-memory.dmp

Filesize
40KB

Download
memory/3336-96-0x0000000005A70000-0x0000000005A7C000-memory.dmp

Filesize
48KB

Download
memory/3336-97-0x0000000005FA0000-0x0000000005FBE000-memory.dmp

Filesize
120KB

Download
memory/3336-98-0x0000000006B70000-0x0000000006B7A000-memory.dmp

Filesize
40KB

Download
memory/3336-99-0x0000000072AC0000-0x0000000073270000-memory.dmp

Filesize
7.7MB

Download
memory/3336-100-0x0000000005CD0000-0x0000000005CE0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads