nanocore | 1bf63394fcf232d3a303d17df87252e2f47c43205edadc99ed15a50c9e193ebc

General

Target

922BBF421CD0C9B155F45388DB7C8718.exe
Size

1.1MB
MD5

922bbf421cd0c9b155f45388db7c8718
SHA1

993cd3bc36c7d903846cf9ee4fb1e8e01dec4947
SHA256

1bf63394fcf232d3a303d17df87252e2f47c43205edadc99ed15a50c9e193ebc
SHA512

1af0064f0524fd93ee173467b490a407e3d4f43ce97a0d0fa599964f4ad787b302155b3e0d859f8fb2dbaacc99ab399cd7b368011d29f61e6981f05396ec3bf9

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
Executes dropped EXE 2 IoCs

Processes:

mssvgt.pifRegSvcs.exe

pid process

2504 mssvgt.pif
220 RegSvcs.exe

pid	process
2504	mssvgt.pif
220	RegSvcs.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RegSvcs.exemssvgt.pif

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ISS Manager = "C:\\Program Files (x86)\\ISS Manager\\issmgr.exe"	RegSvcs.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	mssvgt.pif
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Chrome = "C:\\Users\\Admin\\AppData\\Local\\Temp\\42926996\\mssvgt.pif C:\\Users\\Admin\\AppData\\Local\\Temp\\42926996\\nlcno.gge"	mssvgt.pif
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\AutoUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\42926996\\Update.vbs"	mssvgt.pif

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

RegSvcs.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA RegSvcs.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

mssvgt.pif

description pid process target process

PID 2504 set thread context of 220 2504 mssvgt.pif RegSvcs.exe

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

description	pid	process	target process
PID 2504 set thread context of 220	2504	mssvgt.pif	RegSvcs.exe

Drops file in Program Files directory 2 IoCs

Processes:

RegSvcs.exe

description	ioc	process
File created	C:\Program Files (x86)\ISS Manager\issmgr.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\ISS Manager\issmgr.exe	RegSvcs.exe

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

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
T1053

Processes:

schtasks.exeschtasks.exe

pid process

1296 schtasks.exe
3684 schtasks.exe
Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

RegSvcs.exe

pid process

220 RegSvcs.exe
220 RegSvcs.exe
220 RegSvcs.exe
220 RegSvcs.exe
220 RegSvcs.exe
220 RegSvcs.exe
220 RegSvcs.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

220 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 220 RegSvcs.exe
Token: SeDebugPrivilege 220 RegSvcs.exe

pid	process
1296	schtasks.exe
3684	schtasks.exe

pid	process
220	RegSvcs.exe
220	RegSvcs.exe
220	RegSvcs.exe
220	RegSvcs.exe
220	RegSvcs.exe
220	RegSvcs.exe
220	RegSvcs.exe

pid	process
220	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	220	RegSvcs.exe
Token: SeDebugPrivilege	220	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

922BBF421CD0C9B155F45388DB7C8718.exemssvgt.pifRegSvcs.exe

description	pid	process	target process
PID 3156 wrote to memory of 2504	3156	922BBF421CD0C9B155F45388DB7C8718.exe	mssvgt.pif
PID 3156 wrote to memory of 2504	3156	922BBF421CD0C9B155F45388DB7C8718.exe	mssvgt.pif
PID 3156 wrote to memory of 2504	3156	922BBF421CD0C9B155F45388DB7C8718.exe	mssvgt.pif
PID 2504 wrote to memory of 220	2504	mssvgt.pif	RegSvcs.exe
PID 2504 wrote to memory of 220	2504	mssvgt.pif	RegSvcs.exe
PID 2504 wrote to memory of 220	2504	mssvgt.pif	RegSvcs.exe
PID 2504 wrote to memory of 220	2504	mssvgt.pif	RegSvcs.exe
PID 2504 wrote to memory of 220	2504	mssvgt.pif	RegSvcs.exe
PID 220 wrote to memory of 3684	220	RegSvcs.exe	schtasks.exe
PID 220 wrote to memory of 3684	220	RegSvcs.exe	schtasks.exe
PID 220 wrote to memory of 3684	220	RegSvcs.exe	schtasks.exe
PID 220 wrote to memory of 1296	220	RegSvcs.exe	schtasks.exe
PID 220 wrote to memory of 1296	220	RegSvcs.exe	schtasks.exe
PID 220 wrote to memory of 1296	220	RegSvcs.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\922BBF421CD0C9B155F45388DB7C8718.exe
"C:\Users\Admin\AppData\Local\Temp\922BBF421CD0C9B155F45388DB7C8718.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3156
- C:\Users\Admin\AppData\Local\Temp\42926996\mssvgt.pif
  "C:\Users\Admin\AppData\Local\Temp\42926996\mssvgt.pif" nlcno.gge
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2504
- - 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:220
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "ISS Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp41F0.tmp"
      4⤵
      Creates scheduled task(s)
      PID:3684
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "ISS Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp4685.tmp"
      4⤵
      Creates scheduled task(s)
      PID:1296

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\42926996\mssvgt.pif

MD5
7c81e999e91d1d0f772010dfa4c34923

SHA1
76caadc92346688b50a408b6c48017563a24844f

SHA256
73a52a4c60d253ccdb79e5d50814d1689a49fd85f9e0a40a0dc57ba7fb54e5c0

SHA512
ee5777aafc4b568465b85322ba6ffcf0a38ecadde6274a2e4fdf440cf2ea061762a4b07eeb9a5b40b61d8bf3dab91871715bc5e64da74768f0be342b1f79ae27

Download Submit
C:\Users\Admin\AppData\Local\Temp\42926996\mssvgt.pif

MD5
7c81e999e91d1d0f772010dfa4c34923

SHA1
76caadc92346688b50a408b6c48017563a24844f

SHA256
73a52a4c60d253ccdb79e5d50814d1689a49fd85f9e0a40a0dc57ba7fb54e5c0

SHA512
ee5777aafc4b568465b85322ba6ffcf0a38ecadde6274a2e4fdf440cf2ea061762a4b07eeb9a5b40b61d8bf3dab91871715bc5e64da74768f0be342b1f79ae27

Download Submit
C:\Users\Admin\AppData\Local\Temp\42926996\nlcno.gge

MD5
92361a2c6eea87c6307831a666fa7d2c

SHA1
63ab641c55862bcfa206961541f76f880da724e1

SHA256
971fc12991949a36d791c0e78f3c2af5e8f2f12220c875d196ceea03541f6e11

SHA512
4a9e383ab333dfcc1098f703f8716967afb5938b47796cd1b3c77162af7a6713967483fece000211703b581da2f5738364d2edbb1f77269fc7d5bde935d347af

Download Submit
C:\Users\Admin\AppData\Local\Temp\42926996\osmphj.xml

MD5
1fc724968d0bf0390a4aefbf97d8de8c

SHA1
ea72bd83edd43ec5d44722355a90f5dac04c5dea

SHA256
cb686eadcfc96af6c8abdf3c8c71f498d51045784adaa62504efa8146481739c

SHA512
2d566754a67a516daa3081b8319a869060e78d5bceb190f36450b7f115528cfd681a582550a5b9462360e1358d21c946836d25e6dbec15e426b2094af89f2d8b

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

MD5
0e06054beb13192588e745ee63a84173

SHA1
30b7d4d1277bafd04a83779fd566a1f834a8d113

SHA256
c5d6d56ded55fbd6c150ee3a0eb2e5671cae83106be2be4d70ce50aa50bab768

SHA512
251a112f3f037e62ff67a467389e47a56afb344bc942b17efa9bd2970494718b26bbee9adc3ac35f93ee4d2114aa426b6d0ea4bafad294b6c118a15f1977c215

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

MD5
0e06054beb13192588e745ee63a84173

SHA1
30b7d4d1277bafd04a83779fd566a1f834a8d113

SHA256
c5d6d56ded55fbd6c150ee3a0eb2e5671cae83106be2be4d70ce50aa50bab768

SHA512
251a112f3f037e62ff67a467389e47a56afb344bc942b17efa9bd2970494718b26bbee9adc3ac35f93ee4d2114aa426b6d0ea4bafad294b6c118a15f1977c215

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp41F0.tmp

MD5
95aceabc58acad5d73372b0966ee1b35

SHA1
2293b7ad4793cf574b1a5220e85f329b5601040a

SHA256
8d9642e1c3cd1e0b5d1763de2fb5e605ba593e5a918b93eec15acbc5dcc48fd4

SHA512
00760dfc9d8caf357f0cee5336e5448a4cca18e32cc63e1a69c16e34fe00ea29acd5b2cf278e86c6f9c3e66a1b176d27ed927361848212e6bf1fade7d3d06e74

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4685.tmp

MD5
ea7095fa975a5ac043c9de2899ce61d0

SHA1
ba4e21d0728fb1b4b87006c2e8ceb6109c9046a3

SHA256
5a1ba7b1b91e0bb7aedcfa82dc687972abb31f72ae1613ac586938ef0843f30f

SHA512
b52c8f1b58f263a3d1ad1ef9939167853a5f55033d9ad8976130174c7118407711a0703266c7d2d542bc2ca8119f875e35cc791b9dd70ef83b5310ac1e7cd1cb

Download Submit
memory/220-119-0x0000000001120000-0x000000000181C000-memory.dmp

Filesize
7.0MB

Download
memory/220-120-0x000000000113E792-mapping.dmp

Download
memory/220-126-0x0000000005E80000-0x0000000005E81000-memory.dmp

Filesize
4KB

Download
memory/220-127-0x0000000005FC0000-0x0000000005FC1000-memory.dmp

Filesize
4KB

Download
memory/220-128-0x0000000005E70000-0x0000000005E71000-memory.dmp

Filesize
4KB

Download
memory/220-129-0x0000000005DE0000-0x00000000062DE000-memory.dmp

Filesize
5.0MB

Download
memory/220-137-0x00000000062D0000-0x00000000062D3000-memory.dmp

Filesize
12KB

Download
memory/220-125-0x00000000062E0000-0x00000000062E1000-memory.dmp

Filesize
4KB

Download
memory/220-136-0x0000000006160000-0x0000000006179000-memory.dmp

Filesize
100KB

Download
memory/220-135-0x0000000005FA0000-0x0000000005FA6000-memory.dmp

Filesize
24KB

Download
memory/220-134-0x0000000005F90000-0x0000000005F95000-memory.dmp

Filesize
20KB

Download
memory/1296-132-0x0000000000000000-mapping.dmp

Download
memory/2504-114-0x0000000000000000-mapping.dmp

Download
memory/3684-130-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads